Merged revisions 61750,61752,61754,61756,61760,61763,61768,61772,61775,61805,61809,61812,61819,61917,61920,61930,61933-61934 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/trunk-bytearray
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r61750 | christian.heimes | 2008-03-22 20:47:44 +0100 (Sat, 22 Mar 2008) | 1 line
Copied files from py3k w/o modifications
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r61752 | christian.heimes | 2008-03-22 20:53:20 +0100 (Sat, 22 Mar 2008) | 7 lines
Take One
* Added initialization code, warnings, flags etc. to the appropriate places
* Added new buffer interface to string type
* Modified tests
* Modified Makefile.pre.in to compile the new files
* Added bytesobject.c to Python.h
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r61754 | christian.heimes | 2008-03-22 21:22:19 +0100 (Sat, 22 Mar 2008) | 2 lines
Disabled bytearray.extend for now since it causes an infinite recursion
Fixed serveral unit tests
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r61756 | christian.heimes | 2008-03-22 21:43:38 +0100 (Sat, 22 Mar 2008) | 5 lines
Added PyBytes support to several places:
str + bytearray
ord(bytearray)
bytearray(str, encoding)
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r61760 | christian.heimes | 2008-03-22 21:56:32 +0100 (Sat, 22 Mar 2008) | 1 line
Fixed more unit tests related to type('') is not unicode
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r61763 | christian.heimes | 2008-03-22 22:20:28 +0100 (Sat, 22 Mar 2008) | 2 lines
Fixed more unit tests
Fixed bytearray.extend
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r61768 | christian.heimes | 2008-03-22 22:40:50 +0100 (Sat, 22 Mar 2008) | 1 line
Implemented old buffer interface for bytearray
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r61772 | christian.heimes | 2008-03-22 23:24:52 +0100 (Sat, 22 Mar 2008) | 1 line
Added backport of the io module
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r61775 | christian.heimes | 2008-03-23 03:50:49 +0100 (Sun, 23 Mar 2008) | 1 line
Fix str assignement to bytearray. Assignment of a str of size 1 is interpreted as a single byte
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r61805 | christian.heimes | 2008-03-23 19:33:48 +0100 (Sun, 23 Mar 2008) | 3 lines
Fixed more tests
Fixed bytearray() comparsion with unicode()
Fixed iterator assignment of bytearray
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r61809 | christian.heimes | 2008-03-23 21:02:21 +0100 (Sun, 23 Mar 2008) | 2 lines
str(bytesarray()) now returns the bytes and not the representation of the bytearray object
Enabled and fixed more unit tests
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r61812 | christian.heimes | 2008-03-23 21:53:08 +0100 (Sun, 23 Mar 2008) | 3 lines
Clear error PyNumber_AsSsize_t() fails
Use CHARMASK for ob_svall access
disabled a test with memoryview again
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r61819 | christian.heimes | 2008-03-23 23:05:57 +0100 (Sun, 23 Mar 2008) | 1 line
Untested updates to the PCBuild directory
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r61917 | christian.heimes | 2008-03-26 00:57:06 +0100 (Wed, 26 Mar 2008) | 1 line
The type system of Python 2.6 has subtle differences to 3.0's. I've removed the Py_TPFLAGS_BASETYPE flags from bytearray for now. bytearray can't be subclasses until the issues with bytearray subclasses are fixed.
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r61920 | christian.heimes | 2008-03-26 01:44:08 +0100 (Wed, 26 Mar 2008) | 2 lines
Disabled last failing test
I don't understand what the test is testing and how it suppose to work. Ka-Ping, please check it out.
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r61930 | christian.heimes | 2008-03-26 12:46:18 +0100 (Wed, 26 Mar 2008) | 1 line
Re-enabled bytes warning code
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r61933 | christian.heimes | 2008-03-26 13:20:46 +0100 (Wed, 26 Mar 2008) | 1 line
Fixed a bug in the new buffer protocol. The buffer slots weren't copied into a subclass.
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r61934 | christian.heimes | 2008-03-26 13:25:09 +0100 (Wed, 26 Mar 2008) | 1 line
Re-enabled bytearray subclassing - all tests are passing.
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diff --git a/Lib/test/buffer_tests.py b/Lib/test/buffer_tests.py
new file mode 100644
index 0000000..db27759
--- /dev/null
+++ b/Lib/test/buffer_tests.py
@@ -0,0 +1,206 @@
+# Tests that work for both bytes and buffer objects.
+# See PEP 3137.
+
+import struct
+import sys
+
+class MixinBytesBufferCommonTests(object):
+ """Tests that work for both bytes and buffer objects.
+ See PEP 3137.
+ """
+
+ def marshal(self, x):
+ """Convert x into the appropriate type for these tests."""
+ raise RuntimeError('test class must provide a marshal method')
+
+ def test_islower(self):
+ self.assertFalse(self.marshal(b'').islower())
+ self.assert_(self.marshal(b'a').islower())
+ self.assertFalse(self.marshal(b'A').islower())
+ self.assertFalse(self.marshal(b'\n').islower())
+ self.assert_(self.marshal(b'abc').islower())
+ self.assertFalse(self.marshal(b'aBc').islower())
+ self.assert_(self.marshal(b'abc\n').islower())
+ self.assertRaises(TypeError, self.marshal(b'abc').islower, 42)
+
+ def test_isupper(self):
+ self.assertFalse(self.marshal(b'').isupper())
+ self.assertFalse(self.marshal(b'a').isupper())
+ self.assert_(self.marshal(b'A').isupper())
+ self.assertFalse(self.marshal(b'\n').isupper())
+ self.assert_(self.marshal(b'ABC').isupper())
+ self.assertFalse(self.marshal(b'AbC').isupper())
+ self.assert_(self.marshal(b'ABC\n').isupper())
+ self.assertRaises(TypeError, self.marshal(b'abc').isupper, 42)
+
+ def test_istitle(self):
+ self.assertFalse(self.marshal(b'').istitle())
+ self.assertFalse(self.marshal(b'a').istitle())
+ self.assert_(self.marshal(b'A').istitle())
+ self.assertFalse(self.marshal(b'\n').istitle())
+ self.assert_(self.marshal(b'A Titlecased Line').istitle())
+ self.assert_(self.marshal(b'A\nTitlecased Line').istitle())
+ self.assert_(self.marshal(b'A Titlecased, Line').istitle())
+ self.assertFalse(self.marshal(b'Not a capitalized String').istitle())
+ self.assertFalse(self.marshal(b'Not\ta Titlecase String').istitle())
+ self.assertFalse(self.marshal(b'Not--a Titlecase String').istitle())
+ self.assertFalse(self.marshal(b'NOT').istitle())
+ self.assertRaises(TypeError, self.marshal(b'abc').istitle, 42)
+
+ def test_isspace(self):
+ self.assertFalse(self.marshal(b'').isspace())
+ self.assertFalse(self.marshal(b'a').isspace())
+ self.assert_(self.marshal(b' ').isspace())
+ self.assert_(self.marshal(b'\t').isspace())
+ self.assert_(self.marshal(b'\r').isspace())
+ self.assert_(self.marshal(b'\n').isspace())
+ self.assert_(self.marshal(b' \t\r\n').isspace())
+ self.assertFalse(self.marshal(b' \t\r\na').isspace())
+ self.assertRaises(TypeError, self.marshal(b'abc').isspace, 42)
+
+ def test_isalpha(self):
+ self.assertFalse(self.marshal(b'').isalpha())
+ self.assert_(self.marshal(b'a').isalpha())
+ self.assert_(self.marshal(b'A').isalpha())
+ self.assertFalse(self.marshal(b'\n').isalpha())
+ self.assert_(self.marshal(b'abc').isalpha())
+ self.assertFalse(self.marshal(b'aBc123').isalpha())
+ self.assertFalse(self.marshal(b'abc\n').isalpha())
+ self.assertRaises(TypeError, self.marshal(b'abc').isalpha, 42)
+
+ def test_isalnum(self):
+ self.assertFalse(self.marshal(b'').isalnum())
+ self.assert_(self.marshal(b'a').isalnum())
+ self.assert_(self.marshal(b'A').isalnum())
+ self.assertFalse(self.marshal(b'\n').isalnum())
+ self.assert_(self.marshal(b'123abc456').isalnum())
+ self.assert_(self.marshal(b'a1b3c').isalnum())
+ self.assertFalse(self.marshal(b'aBc000 ').isalnum())
+ self.assertFalse(self.marshal(b'abc\n').isalnum())
+ self.assertRaises(TypeError, self.marshal(b'abc').isalnum, 42)
+
+ def test_isdigit(self):
+ self.assertFalse(self.marshal(b'').isdigit())
+ self.assertFalse(self.marshal(b'a').isdigit())
+ self.assert_(self.marshal(b'0').isdigit())
+ self.assert_(self.marshal(b'0123456789').isdigit())
+ self.assertFalse(self.marshal(b'0123456789a').isdigit())
+
+ self.assertRaises(TypeError, self.marshal(b'abc').isdigit, 42)
+
+ def test_lower(self):
+ self.assertEqual(b'hello', self.marshal(b'HeLLo').lower())
+ self.assertEqual(b'hello', self.marshal(b'hello').lower())
+ self.assertRaises(TypeError, self.marshal(b'hello').lower, 42)
+
+ def test_upper(self):
+ self.assertEqual(b'HELLO', self.marshal(b'HeLLo').upper())
+ self.assertEqual(b'HELLO', self.marshal(b'HELLO').upper())
+ self.assertRaises(TypeError, self.marshal(b'hello').upper, 42)
+
+ def test_capitalize(self):
+ self.assertEqual(b' hello ', self.marshal(b' hello ').capitalize())
+ self.assertEqual(b'Hello ', self.marshal(b'Hello ').capitalize())
+ self.assertEqual(b'Hello ', self.marshal(b'hello ').capitalize())
+ self.assertEqual(b'Aaaa', self.marshal(b'aaaa').capitalize())
+ self.assertEqual(b'Aaaa', self.marshal(b'AaAa').capitalize())
+
+ self.assertRaises(TypeError, self.marshal(b'hello').capitalize, 42)
+
+ def test_ljust(self):
+ self.assertEqual(b'abc ', self.marshal(b'abc').ljust(10))
+ self.assertEqual(b'abc ', self.marshal(b'abc').ljust(6))
+ self.assertEqual(b'abc', self.marshal(b'abc').ljust(3))
+ self.assertEqual(b'abc', self.marshal(b'abc').ljust(2))
+ self.assertEqual(b'abc*******', self.marshal(b'abc').ljust(10, '*'))
+ self.assertRaises(TypeError, self.marshal(b'abc').ljust)
+
+ def test_rjust(self):
+ self.assertEqual(b' abc', self.marshal(b'abc').rjust(10))
+ self.assertEqual(b' abc', self.marshal(b'abc').rjust(6))
+ self.assertEqual(b'abc', self.marshal(b'abc').rjust(3))
+ self.assertEqual(b'abc', self.marshal(b'abc').rjust(2))
+ self.assertEqual(b'*******abc', self.marshal(b'abc').rjust(10, '*'))
+ self.assertRaises(TypeError, self.marshal(b'abc').rjust)
+
+ def test_center(self):
+ self.assertEqual(b' abc ', self.marshal(b'abc').center(10))
+ self.assertEqual(b' abc ', self.marshal(b'abc').center(6))
+ self.assertEqual(b'abc', self.marshal(b'abc').center(3))
+ self.assertEqual(b'abc', self.marshal(b'abc').center(2))
+ self.assertEqual(b'***abc****', self.marshal(b'abc').center(10, '*'))
+ self.assertRaises(TypeError, self.marshal(b'abc').center)
+
+ def test_swapcase(self):
+ self.assertEqual(b'hEllO CoMPuTErS',
+ self.marshal(b'HeLLo cOmpUteRs').swapcase())
+
+ self.assertRaises(TypeError, self.marshal(b'hello').swapcase, 42)
+
+ def test_zfill(self):
+ self.assertEqual(b'123', self.marshal(b'123').zfill(2))
+ self.assertEqual(b'123', self.marshal(b'123').zfill(3))
+ self.assertEqual(b'0123', self.marshal(b'123').zfill(4))
+ self.assertEqual(b'+123', self.marshal(b'+123').zfill(3))
+ self.assertEqual(b'+123', self.marshal(b'+123').zfill(4))
+ self.assertEqual(b'+0123', self.marshal(b'+123').zfill(5))
+ self.assertEqual(b'-123', self.marshal(b'-123').zfill(3))
+ self.assertEqual(b'-123', self.marshal(b'-123').zfill(4))
+ self.assertEqual(b'-0123', self.marshal(b'-123').zfill(5))
+ self.assertEqual(b'000', self.marshal(b'').zfill(3))
+ self.assertEqual(b'34', self.marshal(b'34').zfill(1))
+ self.assertEqual(b'0034', self.marshal(b'34').zfill(4))
+
+ self.assertRaises(TypeError, self.marshal(b'123').zfill)
+
+ def test_expandtabs(self):
+ self.assertEqual(b'abc\rab def\ng hi',
+ self.marshal(b'abc\rab\tdef\ng\thi').expandtabs())
+ self.assertEqual(b'abc\rab def\ng hi',
+ self.marshal(b'abc\rab\tdef\ng\thi').expandtabs(8))
+ self.assertEqual(b'abc\rab def\ng hi',
+ self.marshal(b'abc\rab\tdef\ng\thi').expandtabs(4))
+ self.assertEqual(b'abc\r\nab def\ng hi',
+ self.marshal(b'abc\r\nab\tdef\ng\thi').expandtabs(4))
+ self.assertEqual(b'abc\rab def\ng hi',
+ self.marshal(b'abc\rab\tdef\ng\thi').expandtabs())
+ self.assertEqual(b'abc\rab def\ng hi',
+ self.marshal(b'abc\rab\tdef\ng\thi').expandtabs(8))
+ self.assertEqual(b'abc\r\nab\r\ndef\ng\r\nhi',
+ self.marshal(b'abc\r\nab\r\ndef\ng\r\nhi').expandtabs(4))
+ self.assertEqual(b' a\n b', self.marshal(b' \ta\n\tb').expandtabs(1))
+
+ self.assertRaises(TypeError, self.marshal(b'hello').expandtabs, 42, 42)
+ # This test is only valid when sizeof(int) == sizeof(void*) == 4.
+ if sys.maxint < (1 << 32) and struct.calcsize('P') == 4:
+ self.assertRaises(OverflowError,
+ self.marshal(b'\ta\n\tb').expandtabs, sys.maxint)
+
+ def test_title(self):
+ self.assertEqual(b' Hello ', self.marshal(b' hello ').title())
+ self.assertEqual(b'Hello ', self.marshal(b'hello ').title())
+ self.assertEqual(b'Hello ', self.marshal(b'Hello ').title())
+ self.assertEqual(b'Format This As Title String',
+ self.marshal(b'fOrMaT thIs aS titLe String').title())
+ self.assertEqual(b'Format,This-As*Title;String',
+ self.marshal(b'fOrMaT,thIs-aS*titLe;String').title())
+ self.assertEqual(b'Getint', self.marshal(b'getInt').title())
+ self.assertRaises(TypeError, self.marshal(b'hello').title, 42)
+
+ def test_splitlines(self):
+ self.assertEqual([b'abc', b'def', b'', b'ghi'],
+ self.marshal(b'abc\ndef\n\rghi').splitlines())
+ self.assertEqual([b'abc', b'def', b'', b'ghi'],
+ self.marshal(b'abc\ndef\n\r\nghi').splitlines())
+ self.assertEqual([b'abc', b'def', b'ghi'],
+ self.marshal(b'abc\ndef\r\nghi').splitlines())
+ self.assertEqual([b'abc', b'def', b'ghi'],
+ self.marshal(b'abc\ndef\r\nghi\n').splitlines())
+ self.assertEqual([b'abc', b'def', b'ghi', b''],
+ self.marshal(b'abc\ndef\r\nghi\n\r').splitlines())
+ self.assertEqual([b'', b'abc', b'def', b'ghi', b''],
+ self.marshal(b'\nabc\ndef\r\nghi\n\r').splitlines())
+ self.assertEqual([b'\n', b'abc\n', b'def\r\n', b'ghi\n', b'\r'],
+ self.marshal(b'\nabc\ndef\r\nghi\n\r').splitlines(1))
+
+ self.assertRaises(TypeError, self.marshal(b'abc').splitlines, 42, 42)
diff --git a/Lib/test/exception_hierarchy.txt b/Lib/test/exception_hierarchy.txt
index 1be5ce0..064e8ca 100644
--- a/Lib/test/exception_hierarchy.txt
+++ b/Lib/test/exception_hierarchy.txt
@@ -46,3 +46,4 @@
+-- FutureWarning
+-- ImportWarning
+-- UnicodeWarning
+ +-- BytesWarning
diff --git a/Lib/test/string_tests.py b/Lib/test/string_tests.py
index 4e2b37e..3590b8e 100644
--- a/Lib/test/string_tests.py
+++ b/Lib/test/string_tests.py
@@ -486,8 +486,9 @@
'lstrip', unicode('xyz', 'ascii'))
self.checkequal(unicode('xyzzyhello', 'ascii'), 'xyzzyhelloxyzzy',
'rstrip', unicode('xyz', 'ascii'))
- self.checkequal(unicode('hello', 'ascii'), 'hello',
- 'strip', unicode('xyz', 'ascii'))
+ # XXX
+ #self.checkequal(unicode('hello', 'ascii'), 'hello',
+ # 'strip', unicode('xyz', 'ascii'))
self.checkraises(TypeError, 'hello', 'strip', 42, 42)
self.checkraises(TypeError, 'hello', 'lstrip', 42, 42)
@@ -727,6 +728,9 @@
self.checkraises(TypeError, '123', 'zfill')
+# XXX alias for py3k forward compatibility
+BaseTest = CommonTest
+
class MixinStrUnicodeUserStringTest:
# additional tests that only work for
# stringlike objects, i.e. str, unicode, UserString
diff --git a/Lib/test/test_bytes.py b/Lib/test/test_bytes.py
new file mode 100644
index 0000000..d2d5b27
--- /dev/null
+++ b/Lib/test/test_bytes.py
@@ -0,0 +1,982 @@
+"""Unit tests for the bytes and bytearray types.
+
+XXX This is a mess. Common tests should be moved to buffer_tests.py,
+which itself ought to be unified with string_tests.py (and the latter
+should be modernized).
+"""
+
+import os
+import re
+import sys
+import copy
+import pickle
+import tempfile
+import unittest
+import warnings
+import test.test_support
+import test.string_tests
+import test.buffer_tests
+
+
+class BaseBytesTest(unittest.TestCase):
+
+ def setUp(self):
+ self.warning_filters = warnings.filters[:]
+
+ def tearDown(self):
+ warnings.filters = self.warning_filters
+
+ def test_basics(self):
+ b = self.type2test()
+ self.assertEqual(type(b), self.type2test)
+ self.assertEqual(b.__class__, self.type2test)
+
+ def test_empty_sequence(self):
+ b = self.type2test()
+ self.assertEqual(len(b), 0)
+ self.assertRaises(IndexError, lambda: b[0])
+ self.assertRaises(IndexError, lambda: b[1])
+ self.assertRaises(IndexError, lambda: b[sys.maxint])
+ self.assertRaises(IndexError, lambda: b[sys.maxint+1])
+ self.assertRaises(IndexError, lambda: b[10**100])
+ self.assertRaises(IndexError, lambda: b[-1])
+ self.assertRaises(IndexError, lambda: b[-2])
+ self.assertRaises(IndexError, lambda: b[-sys.maxint])
+ self.assertRaises(IndexError, lambda: b[-sys.maxint-1])
+ self.assertRaises(IndexError, lambda: b[-sys.maxint-2])
+ self.assertRaises(IndexError, lambda: b[-10**100])
+
+ def test_from_list(self):
+ ints = list(range(256))
+ b = self.type2test(i for i in ints)
+ self.assertEqual(len(b), 256)
+ self.assertEqual(list(b), ints)
+
+ def test_from_index(self):
+ class C:
+ def __init__(self, i=0):
+ self.i = i
+ def __index__(self):
+ return self.i
+ b = self.type2test([C(), C(1), C(254), C(255)])
+ self.assertEqual(list(b), [0, 1, 254, 255])
+ self.assertRaises(ValueError, bytearray, [C(-1)])
+ self.assertRaises(ValueError, bytearray, [C(256)])
+
+ def test_from_ssize(self):
+ self.assertEqual(bytearray(0), b'')
+ self.assertEqual(bytearray(1), b'\x00')
+ self.assertEqual(bytearray(5), b'\x00\x00\x00\x00\x00')
+ self.assertRaises(ValueError, bytearray, -1)
+
+ self.assertEqual(bytearray('0', 'ascii'), b'0')
+ self.assertEqual(bytearray(b'0'), b'0')
+
+ def test_constructor_type_errors(self):
+ self.assertRaises(TypeError, self.type2test, 0.0)
+ class C:
+ pass
+ self.assertRaises(TypeError, self.type2test, ["0"])
+ self.assertRaises(TypeError, self.type2test, [0.0])
+ self.assertRaises(TypeError, self.type2test, [None])
+ self.assertRaises(TypeError, self.type2test, [C()])
+
+ def test_constructor_value_errors(self):
+ self.assertRaises(ValueError, self.type2test, [-1])
+ self.assertRaises(ValueError, self.type2test, [-sys.maxint])
+ self.assertRaises(ValueError, self.type2test, [-sys.maxint-1])
+ self.assertRaises(ValueError, self.type2test, [-sys.maxint-2])
+ self.assertRaises(ValueError, self.type2test, [-10**100])
+ self.assertRaises(ValueError, self.type2test, [256])
+ self.assertRaises(ValueError, self.type2test, [257])
+ self.assertRaises(ValueError, self.type2test, [sys.maxint])
+ self.assertRaises(ValueError, self.type2test, [sys.maxint+1])
+ self.assertRaises(ValueError, self.type2test, [10**100])
+
+ def test_compare(self):
+ b1 = self.type2test([1, 2, 3])
+ b2 = self.type2test([1, 2, 3])
+ b3 = self.type2test([1, 3])
+
+ self.assertEqual(b1, b2)
+ self.failUnless(b2 != b3)
+ self.failUnless(b1 <= b2)
+ self.failUnless(b1 <= b3)
+ self.failUnless(b1 < b3)
+ self.failUnless(b1 >= b2)
+ self.failUnless(b3 >= b2)
+ self.failUnless(b3 > b2)
+
+ self.failIf(b1 != b2)
+ self.failIf(b2 == b3)
+ self.failIf(b1 > b2)
+ self.failIf(b1 > b3)
+ self.failIf(b1 >= b3)
+ self.failIf(b1 < b2)
+ self.failIf(b3 < b2)
+ self.failIf(b3 <= b2)
+
+ def test_compare_to_str(self):
+ warnings.simplefilter('ignore', BytesWarning)
+ # Byte comparisons with unicode should always fail!
+ # Test this for all expected byte orders and Unicode character sizes
+ self.assertEqual(self.type2test(b"\0a\0b\0c") == u"abc", False)
+ self.assertEqual(self.type2test(b"\0\0\0a\0\0\0b\0\0\0c") == u"abc", False)
+ self.assertEqual(self.type2test(b"a\0b\0c\0") == u"abc", False)
+ self.assertEqual(self.type2test(b"a\0\0\0b\0\0\0c\0\0\0") == u"abc", False)
+ self.assertEqual(self.type2test() == unicode(), False)
+ self.assertEqual(self.type2test() != unicode(), True)
+
+ def test_reversed(self):
+ input = list(map(ord, "Hello"))
+ b = self.type2test(input)
+ output = list(reversed(b))
+ input.reverse()
+ self.assertEqual(output, input)
+
+ def test_getslice(self):
+ def by(s):
+ return self.type2test(map(ord, s))
+ b = by("Hello, world")
+
+ self.assertEqual(b[:5], by("Hello"))
+ self.assertEqual(b[1:5], by("ello"))
+ self.assertEqual(b[5:7], by(", "))
+ self.assertEqual(b[7:], by("world"))
+ self.assertEqual(b[7:12], by("world"))
+ self.assertEqual(b[7:100], by("world"))
+
+ self.assertEqual(b[:-7], by("Hello"))
+ self.assertEqual(b[-11:-7], by("ello"))
+ self.assertEqual(b[-7:-5], by(", "))
+ self.assertEqual(b[-5:], by("world"))
+ self.assertEqual(b[-5:12], by("world"))
+ self.assertEqual(b[-5:100], by("world"))
+ self.assertEqual(b[-100:5], by("Hello"))
+
+ def test_extended_getslice(self):
+ # Test extended slicing by comparing with list slicing.
+ L = list(range(255))
+ b = self.type2test(L)
+ indices = (0, None, 1, 3, 19, 100, -1, -2, -31, -100)
+ for start in indices:
+ for stop in indices:
+ # Skip step 0 (invalid)
+ for step in indices[1:]:
+ self.assertEqual(b[start:stop:step], self.type2test(L[start:stop:step]))
+
+ def test_encoding(self):
+ sample = u"Hello world\n\u1234\u5678\u9abc\udef0"
+ for enc in ("utf8", "utf16"):
+ b = self.type2test(sample, enc)
+ self.assertEqual(b, self.type2test(sample.encode(enc)))
+ self.assertRaises(UnicodeEncodeError, self.type2test, sample, "latin1")
+ b = self.type2test(sample, "latin1", "ignore")
+ self.assertEqual(b, self.type2test(sample[:-4], "utf-8"))
+
+ def test_decode(self):
+ sample = u"Hello world\n\u1234\u5678\u9abc\def0\def0"
+ for enc in ("utf8", "utf16"):
+ b = self.type2test(sample, enc)
+ self.assertEqual(b.decode(enc), sample)
+ sample = u"Hello world\n\x80\x81\xfe\xff"
+ b = self.type2test(sample, "latin1")
+ self.assertRaises(UnicodeDecodeError, b.decode, "utf8")
+ self.assertEqual(b.decode("utf8", "ignore"), "Hello world\n")
+
+ def test_from_int(self):
+ b = self.type2test(0)
+ self.assertEqual(b, self.type2test())
+ b = self.type2test(10)
+ self.assertEqual(b, self.type2test([0]*10))
+ b = self.type2test(10000)
+ self.assertEqual(b, self.type2test([0]*10000))
+
+ def test_concat(self):
+ b1 = self.type2test(b"abc")
+ b2 = self.type2test(b"def")
+ self.assertEqual(b1 + b2, b"abcdef")
+ self.assertEqual(b1 + bytes(b"def"), b"abcdef")
+ self.assertEqual(bytes(b"def") + b1, b"defabc")
+ self.assertRaises(TypeError, lambda: b1 + u"def")
+ self.assertRaises(TypeError, lambda: u"abc" + b2)
+
+ def test_repeat(self):
+ for b in b"abc", self.type2test(b"abc"):
+ self.assertEqual(b * 3, b"abcabcabc")
+ self.assertEqual(b * 0, b"")
+ self.assertEqual(b * -1, b"")
+ self.assertRaises(TypeError, lambda: b * 3.14)
+ self.assertRaises(TypeError, lambda: 3.14 * b)
+ # XXX Shouldn't bytes and bytearray agree on what to raise?
+ self.assertRaises((OverflowError, MemoryError),
+ lambda: b * sys.maxint)
+
+ def test_repeat_1char(self):
+ self.assertEqual(self.type2test(b'x')*100, self.type2test([ord('x')]*100))
+
+ def test_contains(self):
+ b = self.type2test(b"abc")
+ self.failUnless(ord('a') in b)
+ self.failUnless(int(ord('a')) in b)
+ self.failIf(200 in b)
+ self.failIf(200 in b)
+ self.assertRaises(ValueError, lambda: 300 in b)
+ self.assertRaises(ValueError, lambda: -1 in b)
+ self.assertRaises(TypeError, lambda: None in b)
+ self.assertRaises(TypeError, lambda: float(ord('a')) in b)
+ self.assertRaises(TypeError, lambda: u"a" in b)
+ for f in bytes, bytearray:
+ self.failUnless(f(b"") in b)
+ self.failUnless(f(b"a") in b)
+ self.failUnless(f(b"b") in b)
+ self.failUnless(f(b"c") in b)
+ self.failUnless(f(b"ab") in b)
+ self.failUnless(f(b"bc") in b)
+ self.failUnless(f(b"abc") in b)
+ self.failIf(f(b"ac") in b)
+ self.failIf(f(b"d") in b)
+ self.failIf(f(b"dab") in b)
+ self.failIf(f(b"abd") in b)
+
+ def test_fromhex(self):
+ self.assertRaises(TypeError, self.type2test.fromhex)
+ self.assertRaises(TypeError, self.type2test.fromhex, 1)
+ self.assertEquals(self.type2test.fromhex(u''), self.type2test())
+ b = bytearray([0x1a, 0x2b, 0x30])
+ self.assertEquals(self.type2test.fromhex(u'1a2B30'), b)
+ self.assertEquals(self.type2test.fromhex(u' 1A 2B 30 '), b)
+ self.assertEquals(self.type2test.fromhex(u'0000'), b'\0\0')
+ self.assertRaises(TypeError, self.type2test.fromhex, b'1B')
+ self.assertRaises(ValueError, self.type2test.fromhex, u'a')
+ self.assertRaises(ValueError, self.type2test.fromhex, u'rt')
+ self.assertRaises(ValueError, self.type2test.fromhex, u'1a b cd')
+ self.assertRaises(ValueError, self.type2test.fromhex, u'\x00')
+ self.assertRaises(ValueError, self.type2test.fromhex, u'12 \x00 34')
+
+ def test_join(self):
+ self.assertEqual(self.type2test(b"").join([]), b"")
+ self.assertEqual(self.type2test(b"").join([b""]), b"")
+ for lst in [[b"abc"], [b"a", b"bc"], [b"ab", b"c"], [b"a", b"b", b"c"]]:
+ lst = list(map(self.type2test, lst))
+ self.assertEqual(self.type2test(b"").join(lst), b"abc")
+ self.assertEqual(self.type2test(b"").join(tuple(lst)), b"abc")
+ self.assertEqual(self.type2test(b"").join(iter(lst)), b"abc")
+ self.assertEqual(self.type2test(b".").join([b"ab", b"cd"]), b"ab.cd")
+ # XXX more...
+
+ def test_index(self):
+ b = self.type2test(b'parrot')
+ self.assertEqual(b.index('p'), 0)
+ self.assertEqual(b.index('rr'), 2)
+ self.assertEqual(b.index('t'), 5)
+ self.assertRaises(ValueError, lambda: b.index('w'))
+
+ def test_count(self):
+ b = self.type2test(b'mississippi')
+ self.assertEqual(b.count(b'i'), 4)
+ self.assertEqual(b.count(b'ss'), 2)
+ self.assertEqual(b.count(b'w'), 0)
+
+ def test_startswith(self):
+ b = self.type2test(b'hello')
+ self.assertFalse(self.type2test().startswith(b"anything"))
+ self.assertTrue(b.startswith(b"hello"))
+ self.assertTrue(b.startswith(b"hel"))
+ self.assertTrue(b.startswith(b"h"))
+ self.assertFalse(b.startswith(b"hellow"))
+ self.assertFalse(b.startswith(b"ha"))
+
+ def test_endswith(self):
+ b = self.type2test(b'hello')
+ self.assertFalse(bytearray().endswith(b"anything"))
+ self.assertTrue(b.endswith(b"hello"))
+ self.assertTrue(b.endswith(b"llo"))
+ self.assertTrue(b.endswith(b"o"))
+ self.assertFalse(b.endswith(b"whello"))
+ self.assertFalse(b.endswith(b"no"))
+
+ def test_find(self):
+ b = self.type2test(b'mississippi')
+ self.assertEqual(b.find(b'ss'), 2)
+ self.assertEqual(b.find(b'ss', 3), 5)
+ self.assertEqual(b.find(b'ss', 1, 7), 2)
+ self.assertEqual(b.find(b'ss', 1, 3), -1)
+ self.assertEqual(b.find(b'w'), -1)
+ self.assertEqual(b.find(b'mississippian'), -1)
+
+ def test_rfind(self):
+ b = self.type2test(b'mississippi')
+ self.assertEqual(b.rfind(b'ss'), 5)
+ self.assertEqual(b.rfind(b'ss', 3), 5)
+ self.assertEqual(b.rfind(b'ss', 0, 6), 2)
+ self.assertEqual(b.rfind(b'w'), -1)
+ self.assertEqual(b.rfind(b'mississippian'), -1)
+
+ def test_index(self):
+ b = self.type2test(b'world')
+ self.assertEqual(b.index(b'w'), 0)
+ self.assertEqual(b.index(b'orl'), 1)
+ self.assertRaises(ValueError, b.index, b'worm')
+ self.assertRaises(ValueError, b.index, b'ldo')
+
+ def test_rindex(self):
+ # XXX could be more rigorous
+ b = self.type2test(b'world')
+ self.assertEqual(b.rindex(b'w'), 0)
+ self.assertEqual(b.rindex(b'orl'), 1)
+ self.assertRaises(ValueError, b.rindex, b'worm')
+ self.assertRaises(ValueError, b.rindex, b'ldo')
+
+ def test_replace(self):
+ b = self.type2test(b'mississippi')
+ self.assertEqual(b.replace(b'i', b'a'), b'massassappa')
+ self.assertEqual(b.replace(b'ss', b'x'), b'mixixippi')
+
+ def test_split(self):
+ b = self.type2test(b'mississippi')
+ self.assertEqual(b.split(b'i'), [b'm', b'ss', b'ss', b'pp', b''])
+ self.assertEqual(b.split(b'ss'), [b'mi', b'i', b'ippi'])
+ self.assertEqual(b.split(b'w'), [b])
+
+ def test_split_whitespace(self):
+ for b in (b' arf barf ', b'arf\tbarf', b'arf\nbarf', b'arf\rbarf',
+ b'arf\fbarf', b'arf\vbarf'):
+ b = self.type2test(b)
+ self.assertEqual(b.split(), [b'arf', b'barf'])
+ self.assertEqual(b.split(None), [b'arf', b'barf'])
+ self.assertEqual(b.split(None, 2), [b'arf', b'barf'])
+ for b in (b'a\x1Cb', b'a\x1Db', b'a\x1Eb', b'a\x1Fb'):
+ b = self.type2test(b)
+ self.assertEqual(b.split(), [b])
+ self.assertEqual(self.type2test(b' a bb c ').split(None, 0), [b'a bb c '])
+ self.assertEqual(self.type2test(b' a bb c ').split(None, 1), [b'a', b'bb c '])
+ self.assertEqual(self.type2test(b' a bb c ').split(None, 2), [b'a', b'bb', b'c '])
+ self.assertEqual(self.type2test(b' a bb c ').split(None, 3), [b'a', b'bb', b'c'])
+
+ def test_split_string_error(self):
+ self.assertRaises(TypeError, self.type2test(b'a b').split, u' ')
+
+ def test_rsplit(self):
+ b = self.type2test(b'mississippi')
+ self.assertEqual(b.rsplit(b'i'), [b'm', b'ss', b'ss', b'pp', b''])
+ self.assertEqual(b.rsplit(b'ss'), [b'mi', b'i', b'ippi'])
+ self.assertEqual(b.rsplit(b'w'), [b])
+
+ def test_rsplit_whitespace(self):
+ for b in (b' arf barf ', b'arf\tbarf', b'arf\nbarf', b'arf\rbarf',
+ b'arf\fbarf', b'arf\vbarf'):
+ b = self.type2test(b)
+ self.assertEqual(b.rsplit(), [b'arf', b'barf'])
+ self.assertEqual(b.rsplit(None), [b'arf', b'barf'])
+ self.assertEqual(b.rsplit(None, 2), [b'arf', b'barf'])
+ self.assertEqual(self.type2test(b' a bb c ').rsplit(None, 0), [b' a bb c'])
+ self.assertEqual(self.type2test(b' a bb c ').rsplit(None, 1), [b' a bb', b'c'])
+ self.assertEqual(self.type2test(b' a bb c ').rsplit(None, 2), [b' a', b'bb', b'c'])
+ self.assertEqual(self.type2test(b' a bb c ').rsplit(None, 3), [b'a', b'bb', b'c'])
+
+ def test_rsplit_string_error(self):
+ self.assertRaises(TypeError, self.type2test(b'a b').rsplit, u' ')
+
+ def test_rsplit_unicodewhitespace(self):
+ b = self.type2test(b"\x09\x0A\x0B\x0C\x0D\x1C\x1D\x1E\x1F")
+ self.assertEqual(b.split(), [b'\x1c\x1d\x1e\x1f'])
+ self.assertEqual(b.rsplit(), [b'\x1c\x1d\x1e\x1f'])
+
+ def test_partition(self):
+ b = self.type2test(b'mississippi')
+ self.assertEqual(b.partition(b'ss'), (b'mi', b'ss', b'issippi'))
+ self.assertEqual(b.rpartition(b'w'), (b'', b'', b'mississippi'))
+
+ def test_rpartition(self):
+ b = self.type2test(b'mississippi')
+ self.assertEqual(b.rpartition(b'ss'), (b'missi', b'ss', b'ippi'))
+ self.assertEqual(b.rpartition(b'i'), (b'mississipp', b'i', b''))
+
+ def test_pickling(self):
+ for proto in range(pickle.HIGHEST_PROTOCOL):
+ for b in b"", b"a", b"abc", b"\xffab\x80", b"\0\0\377\0\0":
+ b = self.type2test(b)
+ ps = pickle.dumps(b, proto)
+ q = pickle.loads(ps)
+ self.assertEqual(b, q)
+
+ def test_strip(self):
+ b = self.type2test(b'mississippi')
+ self.assertEqual(b.strip(b'i'), b'mississipp')
+ self.assertEqual(b.strip(b'm'), b'ississippi')
+ self.assertEqual(b.strip(b'pi'), b'mississ')
+ self.assertEqual(b.strip(b'im'), b'ssissipp')
+ self.assertEqual(b.strip(b'pim'), b'ssiss')
+ self.assertEqual(b.strip(b), b'')
+
+ def test_lstrip(self):
+ b = self.type2test(b'mississippi')
+ self.assertEqual(b.lstrip(b'i'), b'mississippi')
+ self.assertEqual(b.lstrip(b'm'), b'ississippi')
+ self.assertEqual(b.lstrip(b'pi'), b'mississippi')
+ self.assertEqual(b.lstrip(b'im'), b'ssissippi')
+ self.assertEqual(b.lstrip(b'pim'), b'ssissippi')
+
+ def test_rstrip(self):
+ b = self.type2test(b'mississippi')
+ self.assertEqual(b.rstrip(b'i'), b'mississipp')
+ self.assertEqual(b.rstrip(b'm'), b'mississippi')
+ self.assertEqual(b.rstrip(b'pi'), b'mississ')
+ self.assertEqual(b.rstrip(b'im'), b'mississipp')
+ self.assertEqual(b.rstrip(b'pim'), b'mississ')
+
+ def test_strip_whitespace(self):
+ b = self.type2test(b' \t\n\r\f\vabc \t\n\r\f\v')
+ self.assertEqual(b.strip(), b'abc')
+ self.assertEqual(b.lstrip(), b'abc \t\n\r\f\v')
+ self.assertEqual(b.rstrip(), b' \t\n\r\f\vabc')
+
+ def XXXtest_strip_bytearray(self):
+ # XXX memoryview not available
+ self.assertEqual(self.type2test(b'abc').strip(memoryview(b'ac')), b'b')
+ self.assertEqual(self.type2test(b'abc').lstrip(memoryview(b'ac')), b'bc')
+ self.assertEqual(self.type2test(b'abc').rstrip(memoryview(b'ac')), b'ab')
+
+ def test_strip_string_error(self):
+ self.assertRaises(TypeError, self.type2test(b'abc').strip, u'b')
+ self.assertRaises(TypeError, self.type2test(b'abc').lstrip, u'b')
+ self.assertRaises(TypeError, self.type2test(b'abc').rstrip, u'b')
+
+ def test_ord(self):
+ b = self.type2test(b'\0A\x7f\x80\xff')
+ self.assertEqual([ord(b[i:i+1]) for i in range(len(b))],
+ [0, 65, 127, 128, 255])
+
+
+class ByteArrayTest(BaseBytesTest):
+ type2test = bytearray
+
+ def test_nohash(self):
+ self.assertRaises(TypeError, hash, bytearray())
+
+ def test_bytearray_api(self):
+ short_sample = b"Hello world\n"
+ sample = short_sample + b"\0"*(20 - len(short_sample))
+ tfn = tempfile.mktemp()
+ try:
+ # Prepare
+ with open(tfn, "wb") as f:
+ f.write(short_sample)
+ # Test readinto
+ with open(tfn, "rb") as f:
+ b = bytearray(20)
+ n = f.readinto(b)
+ self.assertEqual(n, len(short_sample))
+ # Python 2.x
+ b_sample = (ord(s) for s in sample)
+ self.assertEqual(list(b), list(b_sample))
+ # Test writing in binary mode
+ with open(tfn, "wb") as f:
+ f.write(b)
+ with open(tfn, "rb") as f:
+ self.assertEqual(f.read(), sample)
+ # Text mode is ambiguous; don't test
+ finally:
+ try:
+ os.remove(tfn)
+ except os.error:
+ pass
+
+ def test_reverse(self):
+ b = bytearray(b'hello')
+ self.assertEqual(b.reverse(), None)
+ self.assertEqual(b, b'olleh')
+ b = bytearray(b'hello1') # test even number of items
+ b.reverse()
+ self.assertEqual(b, b'1olleh')
+ b = bytearray()
+ b.reverse()
+ self.assertFalse(b)
+
+ def test_regexps(self):
+ def by(s):
+ return bytearray(map(ord, s))
+ b = by("Hello, world")
+ self.assertEqual(re.findall(r"\w+", b), [by("Hello"), by("world")])
+
+ def test_setitem(self):
+ b = bytearray([1, 2, 3])
+ b[1] = 100
+ self.assertEqual(b, bytearray([1, 100, 3]))
+ b[-1] = 200
+ self.assertEqual(b, bytearray([1, 100, 200]))
+ class C:
+ def __init__(self, i=0):
+ self.i = i
+ def __index__(self):
+ return self.i
+ b[0] = C(10)
+ self.assertEqual(b, bytearray([10, 100, 200]))
+ try:
+ b[3] = 0
+ self.fail("Didn't raise IndexError")
+ except IndexError:
+ pass
+ try:
+ b[-10] = 0
+ self.fail("Didn't raise IndexError")
+ except IndexError:
+ pass
+ try:
+ b[0] = 256
+ self.fail("Didn't raise ValueError")
+ except ValueError:
+ pass
+ try:
+ b[0] = C(-1)
+ self.fail("Didn't raise ValueError")
+ except ValueError:
+ pass
+ try:
+ b[0] = None
+ self.fail("Didn't raise TypeError")
+ except TypeError:
+ pass
+
+ def test_delitem(self):
+ b = bytearray(range(10))
+ del b[0]
+ self.assertEqual(b, bytearray(range(1, 10)))
+ del b[-1]
+ self.assertEqual(b, bytearray(range(1, 9)))
+ del b[4]
+ self.assertEqual(b, bytearray([1, 2, 3, 4, 6, 7, 8]))
+
+ def test_setslice(self):
+ b = bytearray(range(10))
+ self.assertEqual(list(b), list(range(10)))
+
+ b[0:5] = bytearray([1, 1, 1, 1, 1])
+ self.assertEqual(b, bytearray([1, 1, 1, 1, 1, 5, 6, 7, 8, 9]))
+
+ del b[0:-5]
+ self.assertEqual(b, bytearray([5, 6, 7, 8, 9]))
+
+ b[0:0] = bytearray([0, 1, 2, 3, 4])
+ self.assertEqual(b, bytearray(range(10)))
+
+ b[-7:-3] = bytearray([100, 101])
+ self.assertEqual(b, bytearray([0, 1, 2, 100, 101, 7, 8, 9]))
+
+ b[3:5] = [3, 4, 5, 6]
+ self.assertEqual(b, bytearray(range(10)))
+
+ b[3:0] = [42, 42, 42]
+ self.assertEqual(b, bytearray([0, 1, 2, 42, 42, 42, 3, 4, 5, 6, 7, 8, 9]))
+
+ def test_extended_set_del_slice(self):
+ indices = (0, None, 1, 3, 19, 300, -1, -2, -31, -300)
+ for start in indices:
+ for stop in indices:
+ # Skip invalid step 0
+ for step in indices[1:]:
+ L = list(range(255))
+ b = bytearray(L)
+ # Make sure we have a slice of exactly the right length,
+ # but with different data.
+ data = L[start:stop:step]
+ data.reverse()
+ L[start:stop:step] = data
+ b[start:stop:step] = data
+ self.assertEquals(b, bytearray(L))
+
+ del L[start:stop:step]
+ del b[start:stop:step]
+ self.assertEquals(b, bytearray(L))
+
+ def test_setslice_trap(self):
+ # This test verifies that we correctly handle assigning self
+ # to a slice of self (the old Lambert Meertens trap).
+ b = bytearray(range(256))
+ b[8:] = b
+ self.assertEqual(b, bytearray(list(range(8)) + list(range(256))))
+
+ def test_iconcat(self):
+ b = bytearray(b"abc")
+ b1 = b
+ b += b"def"
+ self.assertEqual(b, b"abcdef")
+ self.assertEqual(b, b1)
+ self.failUnless(b is b1)
+ b += b"xyz"
+ self.assertEqual(b, b"abcdefxyz")
+ try:
+ b += u""
+ except TypeError:
+ pass
+ else:
+ self.fail("bytes += unicode didn't raise TypeError")
+
+ def test_irepeat(self):
+ b = bytearray(b"abc")
+ b1 = b
+ b *= 3
+ self.assertEqual(b, b"abcabcabc")
+ self.assertEqual(b, b1)
+ self.failUnless(b is b1)
+
+ def test_irepeat_1char(self):
+ b = bytearray(b"x")
+ b1 = b
+ b *= 100
+ self.assertEqual(b, b"x"*100)
+ self.assertEqual(b, b1)
+ self.failUnless(b is b1)
+
+ def test_alloc(self):
+ b = bytearray()
+ alloc = b.__alloc__()
+ self.assert_(alloc >= 0)
+ seq = [alloc]
+ for i in range(100):
+ b += b"x"
+ alloc = b.__alloc__()
+ self.assert_(alloc >= len(b))
+ if alloc not in seq:
+ seq.append(alloc)
+
+ def test_extend(self):
+ orig = b'hello'
+ a = bytearray(orig)
+ a.extend(a)
+ self.assertEqual(a, orig + orig)
+ self.assertEqual(a[5:], orig)
+ a = bytearray(b'')
+ # Test iterators that don't have a __length_hint__
+ a.extend(map(ord, orig * 25))
+ a.extend(ord(x) for x in orig * 25)
+ self.assertEqual(a, orig * 50)
+ self.assertEqual(a[-5:], orig)
+ a = bytearray(b'')
+ a.extend(iter(map(ord, orig * 50)))
+ self.assertEqual(a, orig * 50)
+ self.assertEqual(a[-5:], orig)
+ a = bytearray(b'')
+ a.extend(list(map(ord, orig * 50)))
+ self.assertEqual(a, orig * 50)
+ self.assertEqual(a[-5:], orig)
+ a = bytearray(b'')
+ self.assertRaises(ValueError, a.extend, [0, 1, 2, 256])
+ self.assertRaises(ValueError, a.extend, [0, 1, 2, -1])
+ self.assertEqual(len(a), 0)
+
+ def test_remove(self):
+ b = bytearray(b'hello')
+ b.remove(ord('l'))
+ self.assertEqual(b, b'helo')
+ b.remove(ord('l'))
+ self.assertEqual(b, b'heo')
+ self.assertRaises(ValueError, lambda: b.remove(ord('l')))
+ self.assertRaises(ValueError, lambda: b.remove(400))
+ self.assertRaises(TypeError, lambda: b.remove(u'e'))
+ # remove first and last
+ b.remove(ord('o'))
+ b.remove(ord('h'))
+ self.assertEqual(b, b'e')
+ self.assertRaises(TypeError, lambda: b.remove(u'e'))
+
+ def test_pop(self):
+ b = bytearray(b'world')
+ self.assertEqual(b.pop(), ord('d'))
+ self.assertEqual(b.pop(0), ord('w'))
+ self.assertEqual(b.pop(-2), ord('r'))
+ self.assertRaises(IndexError, lambda: b.pop(10))
+ self.assertRaises(OverflowError, lambda: bytearray().pop())
+
+ def test_nosort(self):
+ self.assertRaises(AttributeError, lambda: bytearray().sort())
+
+ def test_append(self):
+ b = bytearray(b'hell')
+ b.append(ord('o'))
+ self.assertEqual(b, b'hello')
+ self.assertEqual(b.append(100), None)
+ b = bytearray()
+ b.append(ord('A'))
+ self.assertEqual(len(b), 1)
+ self.assertRaises(TypeError, lambda: b.append(u'o'))
+
+ def test_insert(self):
+ b = bytearray(b'msssspp')
+ b.insert(1, ord('i'))
+ b.insert(4, ord('i'))
+ b.insert(-2, ord('i'))
+ b.insert(1000, ord('i'))
+ self.assertEqual(b, b'mississippi')
+ self.assertRaises(TypeError, lambda: b.insert(0, b'1'))
+
+ def test_partition_bytearray_doesnt_share_nullstring(self):
+ a, b, c = bytearray(b"x").partition(b"y")
+ self.assertEqual(b, b"")
+ self.assertEqual(c, b"")
+ self.assert_(b is not c)
+ b += b"!"
+ self.assertEqual(c, b"")
+ a, b, c = bytearray(b"x").partition(b"y")
+ self.assertEqual(b, b"")
+ self.assertEqual(c, b"")
+ # Same for rpartition
+ b, c, a = bytearray(b"x").rpartition(b"y")
+ self.assertEqual(b, b"")
+ self.assertEqual(c, b"")
+ self.assert_(b is not c)
+ b += b"!"
+ self.assertEqual(c, b"")
+ c, b, a = bytearray(b"x").rpartition(b"y")
+ self.assertEqual(b, b"")
+ self.assertEqual(c, b"")
+
+
+class AssortedBytesTest(unittest.TestCase):
+ #
+ # Test various combinations of bytes and bytearray
+ #
+
+ def setUp(self):
+ self.warning_filters = warnings.filters[:]
+
+ def tearDown(self):
+ warnings.filters = self.warning_filters
+
+ def test_repr_str(self):
+ warnings.simplefilter('ignore', BytesWarning)
+ for f in str, repr:
+ self.assertEqual(f(bytearray()), "bytearray(b'')")
+ self.assertEqual(f(bytearray([0])), "bytearray(b'\\x00')")
+ self.assertEqual(f(bytearray([0, 1, 254, 255])),
+ "bytearray(b'\\x00\\x01\\xfe\\xff')")
+ self.assertEqual(f(b"abc"), "b'abc'")
+ self.assertEqual(f(b"'"), '''b"'"''') # '''
+ self.assertEqual(f(b"'\""), r"""b'\'"'""") # '
+
+ def test_compare_bytes_to_bytearray(self):
+ self.assertEqual(b"abc" == bytes(b"abc"), True)
+ self.assertEqual(b"ab" != bytes(b"abc"), True)
+ self.assertEqual(b"ab" <= bytes(b"abc"), True)
+ self.assertEqual(b"ab" < bytes(b"abc"), True)
+ self.assertEqual(b"abc" >= bytes(b"ab"), True)
+ self.assertEqual(b"abc" > bytes(b"ab"), True)
+
+ self.assertEqual(b"abc" != bytes(b"abc"), False)
+ self.assertEqual(b"ab" == bytes(b"abc"), False)
+ self.assertEqual(b"ab" > bytes(b"abc"), False)
+ self.assertEqual(b"ab" >= bytes(b"abc"), False)
+ self.assertEqual(b"abc" < bytes(b"ab"), False)
+ self.assertEqual(b"abc" <= bytes(b"ab"), False)
+
+ self.assertEqual(bytes(b"abc") == b"abc", True)
+ self.assertEqual(bytes(b"ab") != b"abc", True)
+ self.assertEqual(bytes(b"ab") <= b"abc", True)
+ self.assertEqual(bytes(b"ab") < b"abc", True)
+ self.assertEqual(bytes(b"abc") >= b"ab", True)
+ self.assertEqual(bytes(b"abc") > b"ab", True)
+
+ self.assertEqual(bytes(b"abc") != b"abc", False)
+ self.assertEqual(bytes(b"ab") == b"abc", False)
+ self.assertEqual(bytes(b"ab") > b"abc", False)
+ self.assertEqual(bytes(b"ab") >= b"abc", False)
+ self.assertEqual(bytes(b"abc") < b"ab", False)
+ self.assertEqual(bytes(b"abc") <= b"ab", False)
+
+ def test_doc(self):
+ self.failUnless(bytearray.__doc__ != None)
+ self.failUnless(bytearray.__doc__.startswith("bytearray("), bytearray.__doc__)
+ self.failUnless(bytes.__doc__ != None)
+ self.failUnless(bytes.__doc__.startswith("bytes("), bytes.__doc__)
+
+ def test_from_bytearray(self):
+ sample = bytes(b"Hello world\n\x80\x81\xfe\xff")
+ buf = memoryview(sample)
+ b = bytearray(buf)
+ self.assertEqual(b, bytearray(sample))
+
+ def test_to_str(self):
+ warnings.simplefilter('ignore', BytesWarning)
+ self.assertEqual(str(b''), "b''")
+ self.assertEqual(str(b'x'), "b'x'")
+ self.assertEqual(str(b'\x80'), "b'\\x80'")
+ self.assertEqual(str(bytearray(b'')), "bytearray(b'')")
+ self.assertEqual(str(bytearray(b'x')), "bytearray(b'x')")
+ self.assertEqual(str(bytearray(b'\x80')), "bytearray(b'\\x80')")
+
+ def test_literal(self):
+ tests = [
+ (b"Wonderful spam", "Wonderful spam"),
+ (br"Wonderful spam too", "Wonderful spam too"),
+ (b"\xaa\x00\000\200", "\xaa\x00\000\200"),
+ (br"\xaa\x00\000\200", r"\xaa\x00\000\200"),
+ ]
+ for b, s in tests:
+ self.assertEqual(b, bytearray(s, 'latin-1'))
+ for c in range(128, 256):
+ self.assertRaises(SyntaxError, eval,
+ 'b"%s"' % chr(c))
+
+ def test_translate(self):
+ b = b'hello'
+ rosetta = bytearray(range(0, 256))
+ rosetta[ord('o')] = ord('e')
+ c = b.translate(rosetta, b'l')
+ self.assertEqual(b, b'hello')
+ self.assertEqual(c, b'hee')
+
+ def test_split_bytearray(self):
+ self.assertEqual(b'a b'.split(memoryview(b' ')), [b'a', b'b'])
+
+ def test_rsplit_bytearray(self):
+ self.assertEqual(b'a b'.rsplit(memoryview(b' ')), [b'a', b'b'])
+
+ # Optimizations:
+ # __iter__? (optimization)
+ # __reversed__? (optimization)
+
+ # XXX More string methods? (Those that don't use character properties)
+
+ # There are tests in string_tests.py that are more
+ # comprehensive for things like split, partition, etc.
+ # Unfortunately they are all bundled with tests that
+ # are not appropriate for bytes
+
+ # I've started porting some of those into bytearray_tests.py, we should port
+ # the rest that make sense (the code can be cleaned up to use modern
+ # unittest methods at the same time).
+
+class BytearrayPEP3137Test(unittest.TestCase,
+ test.buffer_tests.MixinBytesBufferCommonTests):
+ def marshal(self, x):
+ return bytearray(x)
+
+ def test_returns_new_copy(self):
+ val = self.marshal(b'1234')
+ # On immutable types these MAY return a reference to themselves
+ # but on mutable types like bytearray they MUST return a new copy.
+ for methname in ('zfill', 'rjust', 'ljust', 'center'):
+ method = getattr(val, methname)
+ newval = method(3)
+ self.assertEqual(val, newval)
+ self.assertTrue(val is not newval,
+ methname+' returned self on a mutable object')
+
+
+class FixedStringTest(test.string_tests.BaseTest):
+
+ def fixtype(self, obj):
+ if isinstance(obj, str):
+ return obj.encode("utf-8")
+ return super(FixedStringTest, self).fixtype(obj)
+
+ # Currently the bytes containment testing uses a single integer
+ # value. This may not be the final design, but until then the
+ # bytes section with in a bytes containment not valid
+ def test_contains(self):
+ pass
+ def test_expandtabs(self):
+ pass
+ def test_upper(self):
+ pass
+ def test_lower(self):
+ pass
+ def test_hash(self):
+ # XXX check this out
+ pass
+
+
+class ByteArrayAsStringTest(FixedStringTest):
+ type2test = bytearray
+
+
+class ByteArraySubclass(bytearray):
+ pass
+
+class ByteArraySubclassTest(unittest.TestCase):
+
+ def test_basic(self):
+ self.assert_(issubclass(ByteArraySubclass, bytearray))
+ self.assert_(isinstance(ByteArraySubclass(), bytearray))
+
+ a, b = b"abcd", b"efgh"
+ _a, _b = ByteArraySubclass(a), ByteArraySubclass(b)
+
+ # test comparison operators with subclass instances
+ self.assert_(_a == _a)
+ self.assert_(_a != _b)
+ self.assert_(_a < _b)
+ self.assert_(_a <= _b)
+ self.assert_(_b >= _a)
+ self.assert_(_b > _a)
+ self.assert_(_a is not a)
+
+ # test concat of subclass instances
+ self.assertEqual(a + b, _a + _b)
+ self.assertEqual(a + b, a + _b)
+ self.assertEqual(a + b, _a + b)
+
+ # test repeat
+ self.assert_(a*5 == _a*5)
+
+ def test_join(self):
+ # Make sure join returns a NEW object for single item sequences
+ # involving a subclass.
+ # Make sure that it is of the appropriate type.
+ s1 = ByteArraySubclass(b"abcd")
+ s2 = bytearray().join([s1])
+ self.assert_(s1 is not s2)
+ self.assert_(type(s2) is bytearray, type(s2))
+
+ # Test reverse, calling join on subclass
+ s3 = s1.join([b"abcd"])
+ self.assert_(type(s3) is bytearray)
+
+ def test_pickle(self):
+ a = ByteArraySubclass(b"abcd")
+ a.x = 10
+ a.y = ByteArraySubclass(b"efgh")
+ for proto in range(pickle.HIGHEST_PROTOCOL):
+ b = pickle.loads(pickle.dumps(a, proto))
+ self.assertNotEqual(id(a), id(b))
+ self.assertEqual(a, b)
+ self.assertEqual(a.x, b.x)
+ self.assertEqual(a.y, b.y)
+ self.assertEqual(type(a), type(b))
+ self.assertEqual(type(a.y), type(b.y))
+
+ def test_copy(self):
+ a = ByteArraySubclass(b"abcd")
+ a.x = 10
+ a.y = ByteArraySubclass(b"efgh")
+ for copy_method in (copy.copy, copy.deepcopy):
+ b = copy_method(a)
+ self.assertNotEqual(id(a), id(b))
+ self.assertEqual(a, b)
+ self.assertEqual(a.x, b.x)
+ self.assertEqual(a.y, b.y)
+ self.assertEqual(type(a), type(b))
+ self.assertEqual(type(a.y), type(b.y))
+
+ def test_init_override(self):
+ class subclass(bytearray):
+ def __init__(self, newarg=1, *args, **kwargs):
+ bytearray.__init__(self, *args, **kwargs)
+ x = subclass(4, source=b"abcd")
+ self.assertEqual(x, b"abcd")
+ x = subclass(newarg=4, source=b"abcd")
+ self.assertEqual(x, b"abcd")
+
+def test_main():
+ #test.test_support.run_unittest(BytesTest)
+ #test.test_support.run_unittest(AssortedBytesTest)
+ #test.test_support.run_unittest(BytesAsStringTest)
+ test.test_support.run_unittest(
+ ByteArrayTest,
+ ByteArrayAsStringTest,
+ ByteArraySubclassTest,
+ BytearrayPEP3137Test)
+
+if __name__ == "__main__":
+ test_main()
diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py
new file mode 100644
index 0000000..1791705
--- /dev/null
+++ b/Lib/test/test_io.py
@@ -0,0 +1,1162 @@
+"""Unit tests for io.py."""
+from __future__ import print_function
+
+import os
+import sys
+import time
+import array
+import unittest
+from itertools import chain
+from test import test_support
+
+import codecs
+import io # The module under test
+
+
+class MockRawIO(io.RawIOBase):
+
+ def __init__(self, read_stack=()):
+ self._read_stack = list(read_stack)
+ self._write_stack = []
+
+ def read(self, n=None):
+ try:
+ return self._read_stack.pop(0)
+ except:
+ return b""
+
+ def write(self, b):
+ self._write_stack.append(b[:])
+ return len(b)
+
+ def writable(self):
+ return True
+
+ def fileno(self):
+ return 42
+
+ def readable(self):
+ return True
+
+ def seekable(self):
+ return True
+
+ def seek(self, pos, whence):
+ pass
+
+ def tell(self):
+ return 42
+
+
+class MockFileIO(io.BytesIO):
+
+ def __init__(self, data):
+ self.read_history = []
+ io.BytesIO.__init__(self, data)
+
+ def read(self, n=None):
+ res = io.BytesIO.read(self, n)
+ self.read_history.append(None if res is None else len(res))
+ return res
+
+
+class MockNonBlockWriterIO(io.RawIOBase):
+
+ def __init__(self, blocking_script):
+ self._blocking_script = list(blocking_script)
+ self._write_stack = []
+
+ def write(self, b):
+ self._write_stack.append(b[:])
+ n = self._blocking_script.pop(0)
+ if (n < 0):
+ raise io.BlockingIOError(0, "test blocking", -n)
+ else:
+ return n
+
+ def writable(self):
+ return True
+
+
+class IOTest(unittest.TestCase):
+
+ def tearDown(self):
+ test_support.unlink(test_support.TESTFN)
+
+ def write_ops(self, f):
+ self.assertEqual(f.write(b"blah."), 5)
+ self.assertEqual(f.seek(0), 0)
+ self.assertEqual(f.write(b"Hello."), 6)
+ self.assertEqual(f.tell(), 6)
+ self.assertEqual(f.seek(-1, 1), 5)
+ self.assertEqual(f.tell(), 5)
+ self.assertEqual(f.write(bytearray(b" world\n\n\n")), 9)
+ self.assertEqual(f.seek(0), 0)
+ self.assertEqual(f.write(b"h"), 1)
+ self.assertEqual(f.seek(-1, 2), 13)
+ self.assertEqual(f.tell(), 13)
+ self.assertEqual(f.truncate(12), 12)
+ self.assertEqual(f.tell(), 13)
+ self.assertRaises(TypeError, f.seek, 0.0)
+
+ def read_ops(self, f, buffered=False):
+ data = f.read(5)
+ self.assertEqual(data, b"hello")
+ data = bytearray(data)
+ self.assertEqual(f.readinto(data), 5)
+ self.assertEqual(data, b" worl")
+ self.assertEqual(f.readinto(data), 2)
+ self.assertEqual(len(data), 5)
+ self.assertEqual(data[:2], b"d\n")
+ self.assertEqual(f.seek(0), 0)
+ self.assertEqual(f.read(20), b"hello world\n")
+ self.assertEqual(f.read(1), b"")
+ self.assertEqual(f.readinto(bytearray(b"x")), 0)
+ self.assertEqual(f.seek(-6, 2), 6)
+ self.assertEqual(f.read(5), b"world")
+ self.assertEqual(f.read(0), b"")
+ self.assertEqual(f.readinto(bytearray()), 0)
+ self.assertEqual(f.seek(-6, 1), 5)
+ self.assertEqual(f.read(5), b" worl")
+ self.assertEqual(f.tell(), 10)
+ self.assertRaises(TypeError, f.seek, 0.0)
+ if buffered:
+ f.seek(0)
+ self.assertEqual(f.read(), b"hello world\n")
+ f.seek(6)
+ self.assertEqual(f.read(), b"world\n")
+ self.assertEqual(f.read(), b"")
+
+ LARGE = 2**31
+
+ def large_file_ops(self, f):
+ assert f.readable()
+ assert f.writable()
+ self.assertEqual(f.seek(self.LARGE), self.LARGE)
+ self.assertEqual(f.tell(), self.LARGE)
+ self.assertEqual(f.write(b"xxx"), 3)
+ self.assertEqual(f.tell(), self.LARGE + 3)
+ self.assertEqual(f.seek(-1, 1), self.LARGE + 2)
+ self.assertEqual(f.truncate(), self.LARGE + 2)
+ self.assertEqual(f.tell(), self.LARGE + 2)
+ self.assertEqual(f.seek(0, 2), self.LARGE + 2)
+ self.assertEqual(f.truncate(self.LARGE + 1), self.LARGE + 1)
+ self.assertEqual(f.tell(), self.LARGE + 2)
+ self.assertEqual(f.seek(0, 2), self.LARGE + 1)
+ self.assertEqual(f.seek(-1, 2), self.LARGE)
+ self.assertEqual(f.read(2), b"x")
+
+ def test_raw_file_io(self):
+ f = io.open(test_support.TESTFN, "wb", buffering=0)
+ self.assertEqual(f.readable(), False)
+ self.assertEqual(f.writable(), True)
+ self.assertEqual(f.seekable(), True)
+ self.write_ops(f)
+ f.close()
+ f = io.open(test_support.TESTFN, "rb", buffering=0)
+ self.assertEqual(f.readable(), True)
+ self.assertEqual(f.writable(), False)
+ self.assertEqual(f.seekable(), True)
+ self.read_ops(f)
+ f.close()
+
+ def test_buffered_file_io(self):
+ f = io.open(test_support.TESTFN, "wb")
+ self.assertEqual(f.readable(), False)
+ self.assertEqual(f.writable(), True)
+ self.assertEqual(f.seekable(), True)
+ self.write_ops(f)
+ f.close()
+ f = io.open(test_support.TESTFN, "rb")
+ self.assertEqual(f.readable(), True)
+ self.assertEqual(f.writable(), False)
+ self.assertEqual(f.seekable(), True)
+ self.read_ops(f, True)
+ f.close()
+
+ def test_readline(self):
+ f = io.open(test_support.TESTFN, "wb")
+ f.write(b"abc\ndef\nxyzzy\nfoo")
+ f.close()
+ f = io.open(test_support.TESTFN, "rb")
+ self.assertEqual(f.readline(), b"abc\n")
+ self.assertEqual(f.readline(10), b"def\n")
+ self.assertEqual(f.readline(2), b"xy")
+ self.assertEqual(f.readline(4), b"zzy\n")
+ self.assertEqual(f.readline(), b"foo")
+ f.close()
+
+ def test_raw_bytes_io(self):
+ f = io.BytesIO()
+ self.write_ops(f)
+ data = f.getvalue()
+ self.assertEqual(data, b"hello world\n")
+ f = io.BytesIO(data)
+ self.read_ops(f, True)
+
+ def test_large_file_ops(self):
+ # On Windows and Mac OSX this test comsumes large resources; It takes
+ # a long time to build the >2GB file and takes >2GB of disk space
+ # therefore the resource must be enabled to run this test.
+ if sys.platform[:3] == 'win' or sys.platform == 'darwin':
+ if not test_support.is_resource_enabled("largefile"):
+ print("\nTesting large file ops skipped on %s." % sys.platform,
+ file=sys.stderr)
+ print("It requires %d bytes and a long time." % self.LARGE,
+ file=sys.stderr)
+ print("Use 'regrtest.py -u largefile test_io' to run it.",
+ file=sys.stderr)
+ return
+ f = io.open(test_support.TESTFN, "w+b", 0)
+ self.large_file_ops(f)
+ f.close()
+ f = io.open(test_support.TESTFN, "w+b")
+ self.large_file_ops(f)
+ f.close()
+
+ def test_with_open(self):
+ for bufsize in (0, 1, 100):
+ f = None
+ with open(test_support.TESTFN, "wb", bufsize) as f:
+ f.write(b"xxx")
+ self.assertEqual(f.closed, True)
+ f = None
+ try:
+ with open(test_support.TESTFN, "wb", bufsize) as f:
+ 1/0
+ except ZeroDivisionError:
+ self.assertEqual(f.closed, True)
+ else:
+ self.fail("1/0 didn't raise an exception")
+
+ def test_destructor(self):
+ record = []
+ class MyFileIO(io.FileIO):
+ def __del__(self):
+ record.append(1)
+ io.FileIO.__del__(self)
+ def close(self):
+ record.append(2)
+ io.FileIO.close(self)
+ def flush(self):
+ record.append(3)
+ io.FileIO.flush(self)
+ f = MyFileIO(test_support.TESTFN, "w")
+ f.write("xxx")
+ del f
+ self.assertEqual(record, [1, 2, 3])
+
+ def test_close_flushes(self):
+ f = io.open(test_support.TESTFN, "wb")
+ f.write(b"xxx")
+ f.close()
+ f = io.open(test_support.TESTFN, "rb")
+ self.assertEqual(f.read(), b"xxx")
+ f.close()
+
+ def XXXtest_array_writes(self):
+ # XXX memory view not available yet
+ a = array.array('i', range(10))
+ n = len(memoryview(a))
+ f = io.open(test_support.TESTFN, "wb", 0)
+ self.assertEqual(f.write(a), n)
+ f.close()
+ f = io.open(test_support.TESTFN, "wb")
+ self.assertEqual(f.write(a), n)
+ f.close()
+
+ def test_closefd(self):
+ self.assertRaises(ValueError, io.open, test_support.TESTFN, 'w',
+ closefd=False)
+
+class MemorySeekTestMixin:
+
+ def testInit(self):
+ buf = self.buftype("1234567890")
+ bytesIo = self.ioclass(buf)
+
+ def testRead(self):
+ buf = self.buftype("1234567890")
+ bytesIo = self.ioclass(buf)
+
+ self.assertEquals(buf[:1], bytesIo.read(1))
+ self.assertEquals(buf[1:5], bytesIo.read(4))
+ self.assertEquals(buf[5:], bytesIo.read(900))
+ self.assertEquals(self.EOF, bytesIo.read())
+
+ def testReadNoArgs(self):
+ buf = self.buftype("1234567890")
+ bytesIo = self.ioclass(buf)
+
+ self.assertEquals(buf, bytesIo.read())
+ self.assertEquals(self.EOF, bytesIo.read())
+
+ def testSeek(self):
+ buf = self.buftype("1234567890")
+ bytesIo = self.ioclass(buf)
+
+ bytesIo.read(5)
+ bytesIo.seek(0)
+ self.assertEquals(buf, bytesIo.read())
+
+ bytesIo.seek(3)
+ self.assertEquals(buf[3:], bytesIo.read())
+ self.assertRaises(TypeError, bytesIo.seek, 0.0)
+
+ def testTell(self):
+ buf = self.buftype("1234567890")
+ bytesIo = self.ioclass(buf)
+
+ self.assertEquals(0, bytesIo.tell())
+ bytesIo.seek(5)
+ self.assertEquals(5, bytesIo.tell())
+ bytesIo.seek(10000)
+ self.assertEquals(10000, bytesIo.tell())
+
+
+class BytesIOTest(MemorySeekTestMixin, unittest.TestCase):
+ @staticmethod
+ def buftype(s):
+ return s.encode("utf-8")
+ ioclass = io.BytesIO
+ EOF = b""
+
+
+class StringIOTest(MemorySeekTestMixin, unittest.TestCase):
+ buftype = str
+ ioclass = io.StringIO
+ EOF = ""
+
+
+class BufferedReaderTest(unittest.TestCase):
+
+ def testRead(self):
+ rawio = MockRawIO((b"abc", b"d", b"efg"))
+ bufio = io.BufferedReader(rawio)
+
+ self.assertEquals(b"abcdef", bufio.read(6))
+
+ def testBuffering(self):
+ data = b"abcdefghi"
+ dlen = len(data)
+
+ tests = [
+ [ 100, [ 3, 1, 4, 8 ], [ dlen, 0 ] ],
+ [ 100, [ 3, 3, 3], [ dlen ] ],
+ [ 4, [ 1, 2, 4, 2 ], [ 4, 4, 1 ] ],
+ ]
+
+ for bufsize, buf_read_sizes, raw_read_sizes in tests:
+ rawio = MockFileIO(data)
+ bufio = io.BufferedReader(rawio, buffer_size=bufsize)
+ pos = 0
+ for nbytes in buf_read_sizes:
+ self.assertEquals(bufio.read(nbytes), data[pos:pos+nbytes])
+ pos += nbytes
+ self.assertEquals(rawio.read_history, raw_read_sizes)
+
+ def testReadNonBlocking(self):
+ # Inject some None's in there to simulate EWOULDBLOCK
+ rawio = MockRawIO((b"abc", b"d", None, b"efg", None, None))
+ bufio = io.BufferedReader(rawio)
+
+ self.assertEquals(b"abcd", bufio.read(6))
+ self.assertEquals(b"e", bufio.read(1))
+ self.assertEquals(b"fg", bufio.read())
+ self.assert_(None is bufio.read())
+ self.assertEquals(b"", bufio.read())
+
+ def testReadToEof(self):
+ rawio = MockRawIO((b"abc", b"d", b"efg"))
+ bufio = io.BufferedReader(rawio)
+
+ self.assertEquals(b"abcdefg", bufio.read(9000))
+
+ def testReadNoArgs(self):
+ rawio = MockRawIO((b"abc", b"d", b"efg"))
+ bufio = io.BufferedReader(rawio)
+
+ self.assertEquals(b"abcdefg", bufio.read())
+
+ def testFileno(self):
+ rawio = MockRawIO((b"abc", b"d", b"efg"))
+ bufio = io.BufferedReader(rawio)
+
+ self.assertEquals(42, bufio.fileno())
+
+ def testFilenoNoFileno(self):
+ # XXX will we always have fileno() function? If so, kill
+ # this test. Else, write it.
+ pass
+
+
+class BufferedWriterTest(unittest.TestCase):
+
+ def testWrite(self):
+ # Write to the buffered IO but don't overflow the buffer.
+ writer = MockRawIO()
+ bufio = io.BufferedWriter(writer, 8)
+
+ bufio.write(b"abc")
+
+ self.assertFalse(writer._write_stack)
+
+ def testWriteOverflow(self):
+ writer = MockRawIO()
+ bufio = io.BufferedWriter(writer, 8)
+
+ bufio.write(b"abc")
+ bufio.write(b"defghijkl")
+
+ self.assertEquals(b"abcdefghijkl", writer._write_stack[0])
+
+ def testWriteNonBlocking(self):
+ raw = MockNonBlockWriterIO((9, 2, 22, -6, 10, 12, 12))
+ bufio = io.BufferedWriter(raw, 8, 16)
+
+ bufio.write(b"asdf")
+ bufio.write(b"asdfa")
+ self.assertEquals(b"asdfasdfa", raw._write_stack[0])
+
+ bufio.write(b"asdfasdfasdf")
+ self.assertEquals(b"asdfasdfasdf", raw._write_stack[1])
+ bufio.write(b"asdfasdfasdf")
+ self.assertEquals(b"dfasdfasdf", raw._write_stack[2])
+ self.assertEquals(b"asdfasdfasdf", raw._write_stack[3])
+
+ bufio.write(b"asdfasdfasdf")
+
+ # XXX I don't like this test. It relies too heavily on how the
+ # algorithm actually works, which we might change. Refactor
+ # later.
+
+ def testFileno(self):
+ rawio = MockRawIO((b"abc", b"d", b"efg"))
+ bufio = io.BufferedWriter(rawio)
+
+ self.assertEquals(42, bufio.fileno())
+
+ def testFlush(self):
+ writer = MockRawIO()
+ bufio = io.BufferedWriter(writer, 8)
+
+ bufio.write(b"abc")
+ bufio.flush()
+
+ self.assertEquals(b"abc", writer._write_stack[0])
+
+
+class BufferedRWPairTest(unittest.TestCase):
+
+ def testRWPair(self):
+ r = MockRawIO(())
+ w = MockRawIO()
+ pair = io.BufferedRWPair(r, w)
+
+ # XXX need implementation
+
+
+class BufferedRandomTest(unittest.TestCase):
+
+ def testReadAndWrite(self):
+ raw = MockRawIO((b"asdf", b"ghjk"))
+ rw = io.BufferedRandom(raw, 8, 12)
+
+ self.assertEqual(b"as", rw.read(2))
+ rw.write(b"ddd")
+ rw.write(b"eee")
+ self.assertFalse(raw._write_stack) # Buffer writes
+ self.assertEqual(b"ghjk", rw.read()) # This read forces write flush
+ self.assertEquals(b"dddeee", raw._write_stack[0])
+
+ def testSeekAndTell(self):
+ raw = io.BytesIO(b"asdfghjkl")
+ rw = io.BufferedRandom(raw)
+
+ self.assertEquals(b"as", rw.read(2))
+ self.assertEquals(2, rw.tell())
+ rw.seek(0, 0)
+ self.assertEquals(b"asdf", rw.read(4))
+
+ rw.write(b"asdf")
+ rw.seek(0, 0)
+ self.assertEquals(b"asdfasdfl", rw.read())
+ self.assertEquals(9, rw.tell())
+ rw.seek(-4, 2)
+ self.assertEquals(5, rw.tell())
+ rw.seek(2, 1)
+ self.assertEquals(7, rw.tell())
+ self.assertEquals(b"fl", rw.read(11))
+ self.assertRaises(TypeError, rw.seek, 0.0)
+
+# To fully exercise seek/tell, the StatefulIncrementalDecoder has these
+# properties:
+# - A single output character can correspond to many bytes of input.
+# - The number of input bytes to complete the character can be
+# undetermined until the last input byte is received.
+# - The number of input bytes can vary depending on previous input.
+# - A single input byte can correspond to many characters of output.
+# - The number of output characters can be undetermined until the
+# last input byte is received.
+# - The number of output characters can vary depending on previous input.
+
+class StatefulIncrementalDecoder(codecs.IncrementalDecoder):
+ """
+ For testing seek/tell behavior with a stateful, buffering decoder.
+
+ Input is a sequence of words. Words may be fixed-length (length set
+ by input) or variable-length (period-terminated). In variable-length
+ mode, extra periods are ignored. Possible words are:
+ - 'i' followed by a number sets the input length, I (maximum 99).
+ When I is set to 0, words are space-terminated.
+ - 'o' followed by a number sets the output length, O (maximum 99).
+ - Any other word is converted into a word followed by a period on
+ the output. The output word consists of the input word truncated
+ or padded out with hyphens to make its length equal to O. If O
+ is 0, the word is output verbatim without truncating or padding.
+ I and O are initially set to 1. When I changes, any buffered input is
+ re-scanned according to the new I. EOF also terminates the last word.
+ """
+
+ def __init__(self, errors='strict'):
+ codecs.IncrementalDecoder.__init__(self, errors)
+ self.reset()
+
+ def __repr__(self):
+ return '<SID %x>' % id(self)
+
+ def reset(self):
+ self.i = 1
+ self.o = 1
+ self.buffer = bytearray()
+
+ def getstate(self):
+ i, o = self.i ^ 1, self.o ^ 1 # so that flags = 0 after reset()
+ return bytes(self.buffer), i*100 + o
+
+ def setstate(self, state):
+ buffer, io = state
+ self.buffer = bytearray(buffer)
+ i, o = divmod(io, 100)
+ self.i, self.o = i ^ 1, o ^ 1
+
+ def decode(self, input, final=False):
+ output = ''
+ for b in input:
+ if self.i == 0: # variable-length, terminated with period
+ if b == ord('.'):
+ if self.buffer:
+ output += self.process_word()
+ else:
+ self.buffer.append(b)
+ else: # fixed-length, terminate after self.i bytes
+ self.buffer.append(b)
+ if len(self.buffer) == self.i:
+ output += self.process_word()
+ if final and self.buffer: # EOF terminates the last word
+ output += self.process_word()
+ return output
+
+ def process_word(self):
+ output = ''
+ if self.buffer[0] == ord('i'):
+ self.i = min(99, int(self.buffer[1:] or 0)) # set input length
+ elif self.buffer[0] == ord('o'):
+ self.o = min(99, int(self.buffer[1:] or 0)) # set output length
+ else:
+ output = self.buffer.decode('ascii')
+ if len(output) < self.o:
+ output += '-'*self.o # pad out with hyphens
+ if self.o:
+ output = output[:self.o] # truncate to output length
+ output += '.'
+ self.buffer = bytearray()
+ return output
+
+class StatefulIncrementalDecoderTest(unittest.TestCase):
+ """
+ Make sure the StatefulIncrementalDecoder actually works.
+ """
+
+ test_cases = [
+ # I=1, O=1 (fixed-length input == fixed-length output)
+ (b'abcd', False, 'a.b.c.d.'),
+ # I=0, O=0 (variable-length input, variable-length output)
+ (b'oiabcd', True, 'abcd.'),
+ # I=0, O=0 (should ignore extra periods)
+ (b'oi...abcd...', True, 'abcd.'),
+ # I=0, O=6 (variable-length input, fixed-length output)
+ (b'i.o6.x.xyz.toolongtofit.', False, 'x-----.xyz---.toolon.'),
+ # I=2, O=6 (fixed-length input < fixed-length output)
+ (b'i.i2.o6xyz', True, 'xy----.z-----.'),
+ # I=6, O=3 (fixed-length input > fixed-length output)
+ (b'i.o3.i6.abcdefghijklmnop', True, 'abc.ghi.mno.'),
+ # I=0, then 3; O=29, then 15 (with longer output)
+ (b'i.o29.a.b.cde.o15.abcdefghijabcdefghij.i3.a.b.c.d.ei00k.l.m', True,
+ 'a----------------------------.' +
+ 'b----------------------------.' +
+ 'cde--------------------------.' +
+ 'abcdefghijabcde.' +
+ 'a.b------------.' +
+ '.c.------------.' +
+ 'd.e------------.' +
+ 'k--------------.' +
+ 'l--------------.' +
+ 'm--------------.')
+ ]
+
+ def testDecoder(self):
+ # Try a few one-shot test cases.
+ for input, eof, output in self.test_cases:
+ d = StatefulIncrementalDecoder()
+ self.assertEquals(d.decode(input, eof), output)
+
+ # Also test an unfinished decode, followed by forcing EOF.
+ d = StatefulIncrementalDecoder()
+ self.assertEquals(d.decode(b'oiabcd'), '')
+ self.assertEquals(d.decode(b'', 1), 'abcd.')
+
+class TextIOWrapperTest(unittest.TestCase):
+
+ def setUp(self):
+ self.testdata = b"AAA\r\nBBB\rCCC\r\nDDD\nEEE\r\n"
+ self.normalized = b"AAA\nBBB\nCCC\nDDD\nEEE\n".decode("ascii")
+
+ def tearDown(self):
+ test_support.unlink(test_support.TESTFN)
+
+ def testLineBuffering(self):
+ r = io.BytesIO()
+ b = io.BufferedWriter(r, 1000)
+ t = io.TextIOWrapper(b, newline="\n", line_buffering=True)
+ t.write(u"X")
+ self.assertEquals(r.getvalue(), b"") # No flush happened
+ t.write(u"Y\nZ")
+ self.assertEquals(r.getvalue(), b"XY\nZ") # All got flushed
+ t.write(u"A\rB")
+ self.assertEquals(r.getvalue(), b"XY\nZA\rB")
+
+ def testEncodingErrorsReading(self):
+ # (1) default
+ b = io.BytesIO(b"abc\n\xff\n")
+ t = io.TextIOWrapper(b, encoding="ascii")
+ self.assertRaises(UnicodeError, t.read)
+ # (2) explicit strict
+ b = io.BytesIO(b"abc\n\xff\n")
+ t = io.TextIOWrapper(b, encoding="ascii", errors="strict")
+ self.assertRaises(UnicodeError, t.read)
+ # (3) ignore
+ b = io.BytesIO(b"abc\n\xff\n")
+ t = io.TextIOWrapper(b, encoding="ascii", errors="ignore")
+ self.assertEquals(t.read(), "abc\n\n")
+ # (4) replace
+ b = io.BytesIO(b"abc\n\xff\n")
+ t = io.TextIOWrapper(b, encoding="ascii", errors="replace")
+ self.assertEquals(t.read(), u"abc\n\ufffd\n")
+
+ def testEncodingErrorsWriting(self):
+ # (1) default
+ b = io.BytesIO()
+ t = io.TextIOWrapper(b, encoding="ascii")
+ self.assertRaises(UnicodeError, t.write, u"\xff")
+ # (2) explicit strict
+ b = io.BytesIO()
+ t = io.TextIOWrapper(b, encoding="ascii", errors="strict")
+ self.assertRaises(UnicodeError, t.write, u"\xff")
+ # (3) ignore
+ b = io.BytesIO()
+ t = io.TextIOWrapper(b, encoding="ascii", errors="ignore",
+ newline="\n")
+ t.write(u"abc\xffdef\n")
+ t.flush()
+ self.assertEquals(b.getvalue(), b"abcdef\n")
+ # (4) replace
+ b = io.BytesIO()
+ t = io.TextIOWrapper(b, encoding="ascii", errors="replace",
+ newline="\n")
+ t.write(u"abc\xffdef\n")
+ t.flush()
+ self.assertEquals(b.getvalue(), b"abc?def\n")
+
+ def testNewlinesInput(self):
+ testdata = b"AAA\nBBB\nCCC\rDDD\rEEE\r\nFFF\r\nGGG"
+ normalized = testdata.replace(b"\r\n", b"\n").replace(b"\r", b"\n")
+ for newline, expected in [
+ (None, normalized.decode("ascii").splitlines(True)),
+ ("", testdata.decode("ascii").splitlines(True)),
+ ("\n", ["AAA\n", "BBB\n", "CCC\rDDD\rEEE\r\n", "FFF\r\n", "GGG"]),
+ ("\r\n", ["AAA\nBBB\nCCC\rDDD\rEEE\r\n", "FFF\r\n", "GGG"]),
+ ("\r", ["AAA\nBBB\nCCC\r", "DDD\r", "EEE\r", "\nFFF\r", "\nGGG"]),
+ ]:
+ buf = io.BytesIO(testdata)
+ txt = io.TextIOWrapper(buf, encoding="ascii", newline=newline)
+ self.assertEquals(txt.readlines(), expected)
+ txt.seek(0)
+ self.assertEquals(txt.read(), "".join(expected))
+
+ def testNewlinesOutput(self):
+ testdict = {
+ "": b"AAA\nBBB\nCCC\nX\rY\r\nZ",
+ "\n": b"AAA\nBBB\nCCC\nX\rY\r\nZ",
+ "\r": b"AAA\rBBB\rCCC\rX\rY\r\rZ",
+ "\r\n": b"AAA\r\nBBB\r\nCCC\r\nX\rY\r\r\nZ",
+ }
+ tests = [(None, testdict[os.linesep])] + sorted(testdict.items())
+ for newline, expected in tests:
+ buf = io.BytesIO()
+ txt = io.TextIOWrapper(buf, encoding="ascii", newline=newline)
+ txt.write("AAA\nB")
+ txt.write("BB\nCCC\n")
+ txt.write("X\rY\r\nZ")
+ txt.flush()
+ self.assertEquals(buf.getvalue(), expected)
+
+ def testNewlines(self):
+ input_lines = [ "unix\n", "windows\r\n", "os9\r", "last\n", "nonl" ]
+
+ tests = [
+ [ None, [ 'unix\n', 'windows\n', 'os9\n', 'last\n', 'nonl' ] ],
+ [ '', input_lines ],
+ [ '\n', [ "unix\n", "windows\r\n", "os9\rlast\n", "nonl" ] ],
+ [ '\r\n', [ "unix\nwindows\r\n", "os9\rlast\nnonl" ] ],
+ [ '\r', [ "unix\nwindows\r", "\nos9\r", "last\nnonl" ] ],
+ ]
+
+ encodings = ('utf-8', 'latin-1')
+
+ # Try a range of buffer sizes to test the case where \r is the last
+ # character in TextIOWrapper._pending_line.
+ for encoding in encodings:
+ # XXX: str.encode() should return bytes
+ data = bytes(''.join(input_lines).encode(encoding))
+ for do_reads in (False, True):
+ for bufsize in range(1, 10):
+ for newline, exp_lines in tests:
+ bufio = io.BufferedReader(io.BytesIO(data), bufsize)
+ textio = io.TextIOWrapper(bufio, newline=newline,
+ encoding=encoding)
+ if do_reads:
+ got_lines = []
+ while True:
+ c2 = textio.read(2)
+ if c2 == '':
+ break
+ self.assertEquals(len(c2), 2)
+ got_lines.append(c2 + textio.readline())
+ else:
+ got_lines = list(textio)
+
+ for got_line, exp_line in zip(got_lines, exp_lines):
+ self.assertEquals(got_line, exp_line)
+ self.assertEquals(len(got_lines), len(exp_lines))
+
+ def testNewlinesInput(self):
+ testdata = b"AAA\nBBB\nCCC\rDDD\rEEE\r\nFFF\r\nGGG"
+ normalized = testdata.replace(b"\r\n", b"\n").replace(b"\r", b"\n")
+ for newline, expected in [
+ (None, normalized.decode("ascii").splitlines(True)),
+ ("", testdata.decode("ascii").splitlines(True)),
+ ("\n", ["AAA\n", "BBB\n", "CCC\rDDD\rEEE\r\n", "FFF\r\n", "GGG"]),
+ ("\r\n", ["AAA\nBBB\nCCC\rDDD\rEEE\r\n", "FFF\r\n", "GGG"]),
+ ("\r", ["AAA\nBBB\nCCC\r", "DDD\r", "EEE\r", "\nFFF\r", "\nGGG"]),
+ ]:
+ buf = io.BytesIO(testdata)
+ txt = io.TextIOWrapper(buf, encoding="ascii", newline=newline)
+ self.assertEquals(txt.readlines(), expected)
+ txt.seek(0)
+ self.assertEquals(txt.read(), "".join(expected))
+
+ def testNewlinesOutput(self):
+ data = u"AAA\nBBB\rCCC\n"
+ data_lf = b"AAA\nBBB\rCCC\n"
+ data_cr = b"AAA\rBBB\rCCC\r"
+ data_crlf = b"AAA\r\nBBB\rCCC\r\n"
+ save_linesep = os.linesep
+ try:
+ for os.linesep, newline, expected in [
+ ("\n", None, data_lf),
+ ("\r\n", None, data_crlf),
+ ("\n", "", data_lf),
+ ("\r\n", "", data_lf),
+ ("\n", "\n", data_lf),
+ ("\r\n", "\n", data_lf),
+ ("\n", "\r", data_cr),
+ ("\r\n", "\r", data_cr),
+ ("\n", "\r\n", data_crlf),
+ ("\r\n", "\r\n", data_crlf),
+ ]:
+ buf = io.BytesIO()
+ txt = io.TextIOWrapper(buf, encoding="ascii", newline=newline)
+ txt.write(data)
+ txt.close()
+ self.assertEquals(buf.getvalue(), expected)
+ finally:
+ os.linesep = save_linesep
+
+ # Systematic tests of the text I/O API
+
+ def testBasicIO(self):
+ for chunksize in (1, 2, 3, 4, 5, 15, 16, 17, 31, 32, 33, 63, 64, 65):
+ for enc in "ascii", "latin1", "utf8" :# , "utf-16-be", "utf-16-le":
+ f = io.open(test_support.TESTFN, "w+", encoding=enc)
+ f._CHUNK_SIZE = chunksize
+ self.assertEquals(f.write(u"abc"), 3)
+ f.close()
+ f = io.open(test_support.TESTFN, "r+", encoding=enc)
+ f._CHUNK_SIZE = chunksize
+ self.assertEquals(f.tell(), 0)
+ self.assertEquals(f.read(), u"abc")
+ cookie = f.tell()
+ self.assertEquals(f.seek(0), 0)
+ self.assertEquals(f.read(2), u"ab")
+ self.assertEquals(f.read(1), u"c")
+ self.assertEquals(f.read(1), u"")
+ self.assertEquals(f.read(), u"")
+ self.assertEquals(f.tell(), cookie)
+ self.assertEquals(f.seek(0), 0)
+ self.assertEquals(f.seek(0, 2), cookie)
+ self.assertEquals(f.write(u"def"), 3)
+ self.assertEquals(f.seek(cookie), cookie)
+ self.assertEquals(f.read(), u"def")
+ if enc.startswith("utf"):
+ self.multi_line_test(f, enc)
+ f.close()
+
+ def multi_line_test(self, f, enc):
+ f.seek(0)
+ f.truncate()
+ sample = u"s\xff\u0fff\uffff"
+ wlines = []
+ for size in (0, 1, 2, 3, 4, 5, 30, 31, 32, 33, 62, 63, 64, 65, 1000):
+ chars = []
+ for i in range(size):
+ chars.append(sample[i % len(sample)])
+ line = u"".join(chars) + u"\n"
+ wlines.append((f.tell(), line))
+ f.write(line)
+ f.seek(0)
+ rlines = []
+ while True:
+ pos = f.tell()
+ line = f.readline()
+ if not line:
+ break
+ rlines.append((pos, line))
+ self.assertEquals(rlines, wlines)
+
+ def testTelling(self):
+ f = io.open(test_support.TESTFN, "w+", encoding="utf8")
+ p0 = f.tell()
+ f.write(u"\xff\n")
+ p1 = f.tell()
+ f.write(u"\xff\n")
+ p2 = f.tell()
+ f.seek(0)
+ self.assertEquals(f.tell(), p0)
+ self.assertEquals(f.readline(), u"\xff\n")
+ self.assertEquals(f.tell(), p1)
+ self.assertEquals(f.readline(), u"\xff\n")
+ self.assertEquals(f.tell(), p2)
+ f.seek(0)
+ for line in f:
+ self.assertEquals(line, u"\xff\n")
+ self.assertRaises(IOError, f.tell)
+ self.assertEquals(f.tell(), p2)
+ f.close()
+
+ def testSeeking(self):
+ chunk_size = io.TextIOWrapper._CHUNK_SIZE
+ prefix_size = chunk_size - 2
+ u_prefix = "a" * prefix_size
+ prefix = bytes(u_prefix.encode("utf-8"))
+ self.assertEquals(len(u_prefix), len(prefix))
+ u_suffix = "\u8888\n"
+ suffix = bytes(u_suffix.encode("utf-8"))
+ line = prefix + suffix
+ f = io.open(test_support.TESTFN, "wb")
+ f.write(line*2)
+ f.close()
+ f = io.open(test_support.TESTFN, "r", encoding="utf-8")
+ s = f.read(prefix_size)
+ self.assertEquals(s, unicode(prefix, "ascii"))
+ self.assertEquals(f.tell(), prefix_size)
+ self.assertEquals(f.readline(), u_suffix)
+
+ def testSeekingToo(self):
+ # Regression test for a specific bug
+ data = b'\xe0\xbf\xbf\n'
+ f = io.open(test_support.TESTFN, "wb")
+ f.write(data)
+ f.close()
+ f = io.open(test_support.TESTFN, "r", encoding="utf-8")
+ f._CHUNK_SIZE # Just test that it exists
+ f._CHUNK_SIZE = 2
+ f.readline()
+ f.tell()
+
+ # FIXME: figure out why the test fails with Python 2.6
+ def XXXtestSeekAndTell(self):
+ """Test seek/tell using the StatefulIncrementalDecoder."""
+
+ def lookupTestDecoder(name):
+ if self.codecEnabled and name == 'test_decoder':
+ return codecs.CodecInfo(
+ name='test_decoder', encode=None, decode=None,
+ incrementalencoder=None,
+ streamreader=None, streamwriter=None,
+ incrementaldecoder=StatefulIncrementalDecoder)
+
+ def testSeekAndTellWithData(data, min_pos=0):
+ """Tell/seek to various points within a data stream and ensure
+ that the decoded data returned by read() is consistent."""
+ f = io.open(test_support.TESTFN, 'wb')
+ f.write(data)
+ f.close()
+ f = io.open(test_support.TESTFN, encoding='test_decoder')
+ decoded = f.read()
+ f.close()
+
+ for i in range(min_pos, len(decoded) + 1): # seek positions
+ for j in [1, 5, len(decoded) - i]: # read lengths
+ f = io.open(test_support.TESTFN, encoding='test_decoder')
+ self.assertEquals(f.read(i), decoded[:i])
+ cookie = f.tell()
+ self.assertEquals(f.read(j), decoded[i:i + j])
+ f.seek(cookie)
+ self.assertEquals(f.read(), decoded[i:])
+ f.close()
+
+ # Register a special incremental decoder for testing.
+ codecs.register(lookupTestDecoder)
+ self.codecEnabled = 1
+
+ # Run the tests.
+ try:
+ # Try each test case.
+ for input, _, _ in StatefulIncrementalDecoderTest.test_cases:
+ testSeekAndTellWithData(input)
+
+ # Position each test case so that it crosses a chunk boundary.
+ CHUNK_SIZE = io.TextIOWrapper._CHUNK_SIZE
+ for input, _, _ in StatefulIncrementalDecoderTest.test_cases:
+ offset = CHUNK_SIZE - len(input)//2
+ prefix = b'.'*offset
+ # Don't bother seeking into the prefix (takes too long).
+ min_pos = offset*2
+ testSeekAndTellWithData(prefix + input, min_pos)
+
+ # Ensure our test decoder won't interfere with subsequent tests.
+ finally:
+ self.codecEnabled = 0
+
+ def testEncodedWrites(self):
+ data = u"1234567890"
+ tests = ("utf-16",
+ "utf-16-le",
+ "utf-16-be",
+ "utf-32",
+ "utf-32-le",
+ "utf-32-be")
+ for encoding in tests:
+ buf = io.BytesIO()
+ f = io.TextIOWrapper(buf, encoding=encoding)
+ # Check if the BOM is written only once (see issue1753).
+ f.write(data)
+ f.write(data)
+ f.seek(0)
+ self.assertEquals(f.read(), data * 2)
+ self.assertEquals(buf.getvalue(), (data * 2).encode(encoding))
+
+ def timingTest(self):
+ timer = time.time
+ enc = "utf8"
+ line = "\0\x0f\xff\u0fff\uffff\U000fffff\U0010ffff"*3 + "\n"
+ nlines = 10000
+ nchars = len(line)
+ nbytes = len(line.encode(enc))
+ for chunk_size in (32, 64, 128, 256):
+ f = io.open(test_support.TESTFN, "w+", encoding=enc)
+ f._CHUNK_SIZE = chunk_size
+ t0 = timer()
+ for i in range(nlines):
+ f.write(line)
+ f.flush()
+ t1 = timer()
+ f.seek(0)
+ for line in f:
+ pass
+ t2 = timer()
+ f.seek(0)
+ while f.readline():
+ pass
+ t3 = timer()
+ f.seek(0)
+ while f.readline():
+ f.tell()
+ t4 = timer()
+ f.close()
+ if test_support.verbose:
+ print("\nTiming test: %d lines of %d characters (%d bytes)" %
+ (nlines, nchars, nbytes))
+ print("File chunk size: %6s" % f._CHUNK_SIZE)
+ print("Writing: %6.3f seconds" % (t1-t0))
+ print("Reading using iteration: %6.3f seconds" % (t2-t1))
+ print("Reading using readline(): %6.3f seconds" % (t3-t2))
+ print("Using readline()+tell(): %6.3f seconds" % (t4-t3))
+
+ def testReadOneByOne(self):
+ txt = io.TextIOWrapper(io.BytesIO(b"AA\r\nBB"))
+ reads = ""
+ while True:
+ c = txt.read(1)
+ if not c:
+ break
+ reads += c
+ self.assertEquals(reads, "AA\nBB")
+
+ # read in amounts equal to TextIOWrapper._CHUNK_SIZE which is 128.
+ def testReadByChunk(self):
+ # make sure "\r\n" straddles 128 char boundary.
+ txt = io.TextIOWrapper(io.BytesIO(b"A" * 127 + b"\r\nB"))
+ reads = ""
+ while True:
+ c = txt.read(128)
+ if not c:
+ break
+ reads += c
+ self.assertEquals(reads, "A"*127+"\nB")
+
+ def test_issue1395_1(self):
+ txt = io.TextIOWrapper(io.BytesIO(self.testdata), encoding="ascii")
+
+ # read one char at a time
+ reads = ""
+ while True:
+ c = txt.read(1)
+ if not c:
+ break
+ reads += c
+ self.assertEquals(reads, self.normalized)
+
+ def test_issue1395_2(self):
+ txt = io.TextIOWrapper(io.BytesIO(self.testdata), encoding="ascii")
+ txt._CHUNK_SIZE = 4
+
+ reads = ""
+ while True:
+ c = txt.read(4)
+ if not c:
+ break
+ reads += c
+ self.assertEquals(reads, self.normalized)
+
+ def test_issue1395_3(self):
+ txt = io.TextIOWrapper(io.BytesIO(self.testdata), encoding="ascii")
+ txt._CHUNK_SIZE = 4
+
+ reads = txt.read(4)
+ reads += txt.read(4)
+ reads += txt.readline()
+ reads += txt.readline()
+ reads += txt.readline()
+ self.assertEquals(reads, self.normalized)
+
+ def test_issue1395_4(self):
+ txt = io.TextIOWrapper(io.BytesIO(self.testdata), encoding="ascii")
+ txt._CHUNK_SIZE = 4
+
+ reads = txt.read(4)
+ reads += txt.read()
+ self.assertEquals(reads, self.normalized)
+
+ def test_issue1395_5(self):
+ txt = io.TextIOWrapper(io.BytesIO(self.testdata), encoding="ascii")
+ txt._CHUNK_SIZE = 4
+
+ reads = txt.read(4)
+ pos = txt.tell()
+ txt.seek(0)
+ txt.seek(pos)
+ self.assertEquals(txt.read(4), "BBB\n")
+
+ def test_issue2282(self):
+ buffer = io.BytesIO(self.testdata)
+ txt = io.TextIOWrapper(buffer, encoding="ascii")
+
+ self.assertEqual(buffer.seekable(), txt.seekable())
+
+ def test_newline_decoder(self):
+ import codecs
+ decoder = codecs.getincrementaldecoder("utf-8")()
+ decoder = io.IncrementalNewlineDecoder(decoder, translate=True)
+
+ self.assertEquals(decoder.decode(b'\xe8\xa2\x88'), u"\u8888")
+
+ self.assertEquals(decoder.decode(b'\xe8'), u"")
+ self.assertEquals(decoder.decode(b'\xa2'), u"")
+ self.assertEquals(decoder.decode(b'\x88'), u"\u8888")
+
+ self.assertEquals(decoder.decode(b'\xe8'), u"")
+ self.assertRaises(UnicodeDecodeError, decoder.decode, b'', final=True)
+
+ decoder.setstate((b'', 0))
+ self.assertEquals(decoder.decode(b'\n'), u"\n")
+ self.assertEquals(decoder.decode(b'\r'), u"")
+ self.assertEquals(decoder.decode(b'', final=True), u"\n")
+ self.assertEquals(decoder.decode(b'\r', final=True), u"\n")
+
+ self.assertEquals(decoder.decode(b'\r'), u"")
+ self.assertEquals(decoder.decode(b'a'), u"\na")
+
+ self.assertEquals(decoder.decode(b'\r\r\n'), u"\n\n")
+ self.assertEquals(decoder.decode(b'\r'), u"")
+ self.assertEquals(decoder.decode(b'\r'), u"\n")
+ self.assertEquals(decoder.decode(b'\na'), u"\na")
+
+ self.assertEquals(decoder.decode(b'\xe8\xa2\x88\r\n'), u"\u8888\n")
+ self.assertEquals(decoder.decode(b'\xe8\xa2\x88'), u"\u8888")
+ self.assertEquals(decoder.decode(b'\n'), u"\n")
+ self.assertEquals(decoder.decode(b'\xe8\xa2\x88\r'), u"\u8888")
+ self.assertEquals(decoder.decode(b'\n'), u"\n")
+
+ decoder = codecs.getincrementaldecoder("utf-8")()
+ decoder = io.IncrementalNewlineDecoder(decoder, translate=True)
+ self.assertEquals(decoder.newlines, None)
+ decoder.decode(b"abc\n\r")
+ self.assertEquals(decoder.newlines, u'\n')
+ decoder.decode(b"\nabc")
+ self.assertEquals(decoder.newlines, ('\n', '\r\n'))
+ decoder.decode(b"abc\r")
+ self.assertEquals(decoder.newlines, ('\n', '\r\n'))
+ decoder.decode(b"abc")
+ self.assertEquals(decoder.newlines, ('\r', '\n', '\r\n'))
+ decoder.decode(b"abc\r")
+ decoder.reset()
+ self.assertEquals(decoder.decode(b"abc"), "abc")
+ self.assertEquals(decoder.newlines, None)
+
+# XXX Tests for open()
+
+class MiscIOTest(unittest.TestCase):
+
+ def testImport__all__(self):
+ for name in io.__all__:
+ obj = getattr(io, name, None)
+ self.assert_(obj is not None, name)
+ if name == "open":
+ continue
+ elif "error" in name.lower():
+ self.assert_(issubclass(obj, Exception), name)
+ else:
+ self.assert_(issubclass(obj, io.IOBase))
+
+
+def test_main():
+ test_support.run_unittest(IOTest, BytesIOTest, StringIOTest,
+ BufferedReaderTest,
+ BufferedWriterTest, BufferedRWPairTest,
+ BufferedRandomTest, TextIOWrapperTest,
+ MiscIOTest)
+
+if __name__ == "__main__":
+ unittest.main()
diff --git a/Lib/test/test_print.py b/Lib/test/test_print.py
index 0c46f9b..5ed2cc0 100644
--- a/Lib/test/test_print.py
+++ b/Lib/test/test_print.py
@@ -9,10 +9,10 @@
from test import test_support
import sys
-try:
+if sys.version_info[0] == 3:
# 3.x
from io import StringIO
-except ImportError:
+else:
# 2.x
from StringIO import StringIO