Patch #1972 by Antoine Pitrou: improve bytes and bytearray tests
diff --git a/Lib/test/test_bytes.py b/Lib/test/test_bytes.py
index 40082c3..8a82374 100644
--- a/Lib/test/test_bytes.py
+++ b/Lib/test/test_bytes.py
@@ -13,12 +13,13 @@
import tempfile
import unittest
import warnings
+import functools
import test.test_support
import test.string_tests
import test.buffer_tests
-class BytesTest(unittest.TestCase):
+class BaseBytesTest(unittest.TestCase):
def setUp(self):
self.warning_filters = warnings.filters[:]
@@ -27,12 +28,12 @@
warnings.filters = self.warning_filters
def test_basics(self):
- b = bytearray()
- self.assertEqual(type(b), bytearray)
- self.assertEqual(b.__class__, bytearray)
+ b = self.type2test()
+ self.assertEqual(type(b), self.type2test)
+ self.assertEqual(b.__class__, self.type2test)
def test_empty_sequence(self):
- b = bytearray()
+ b = self.type2test()
self.assertEqual(len(b), 0)
self.assertRaises(IndexError, lambda: b[0])
self.assertRaises(IndexError, lambda: b[1])
@@ -48,7 +49,7 @@
def test_from_list(self):
ints = list(range(256))
- b = bytearray(i for i in ints)
+ b = self.type2test(i for i in ints)
self.assertEqual(len(b), 256)
self.assertEqual(list(b), ints)
@@ -58,7 +59,7 @@
self.i = i
def __index__(self):
return self.i
- b = bytearray([C(), C(1), C(254), C(255)])
+ 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)])
@@ -73,42 +74,30 @@
self.assertEqual(bytearray(b'0'), b'0')
def test_constructor_type_errors(self):
- self.assertRaises(TypeError, bytearray, 0.0)
+ self.assertRaises(TypeError, self.type2test, 0.0)
class C:
pass
- self.assertRaises(TypeError, bytearray, ["0"])
- self.assertRaises(TypeError, bytearray, [0.0])
- self.assertRaises(TypeError, bytearray, [None])
- self.assertRaises(TypeError, bytearray, [C()])
+ 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, bytearray, [-1])
- self.assertRaises(ValueError, bytearray, [-sys.maxsize])
- self.assertRaises(ValueError, bytearray, [-sys.maxsize-1])
- self.assertRaises(ValueError, bytearray, [-sys.maxsize-2])
- self.assertRaises(ValueError, bytearray, [-10**100])
- self.assertRaises(ValueError, bytearray, [256])
- self.assertRaises(ValueError, bytearray, [257])
- self.assertRaises(ValueError, bytearray, [sys.maxsize])
- self.assertRaises(ValueError, bytearray, [sys.maxsize+1])
- self.assertRaises(ValueError, bytearray, [10**100])
-
- 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'\'"'""")
-
+ self.assertRaises(ValueError, self.type2test, [-1])
+ self.assertRaises(ValueError, self.type2test, [-sys.maxsize])
+ self.assertRaises(ValueError, self.type2test, [-sys.maxsize-1])
+ self.assertRaises(ValueError, self.type2test, [-sys.maxsize-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.maxsize])
+ self.assertRaises(ValueError, self.type2test, [sys.maxsize+1])
+ self.assertRaises(ValueError, self.type2test, [10**100])
def test_compare(self):
- b1 = bytearray([1, 2, 3])
- b2 = bytearray([1, 2, 3])
- b3 = bytearray([1, 3])
+ 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)
@@ -128,55 +117,349 @@
self.failIf(b3 < b2)
self.failIf(b3 <= b2)
- 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_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(b"\0a\0b\0c" == "abc", False)
- self.assertEqual(b"\0\0\0a\0\0\0b\0\0\0c" == "abc", False)
- self.assertEqual(b"a\0b\0c\0" == "abc", False)
- self.assertEqual(b"a\0\0\0b\0\0\0c\0\0\0" == "abc", False)
- self.assertEqual(bytearray() == str(), False)
- self.assertEqual(bytearray() != str(), True)
+ self.assertEqual(self.type2test(b"\0a\0b\0c") == "abc", False)
+ self.assertEqual(self.type2test(b"\0\0\0a\0\0\0b\0\0\0c") == "abc", False)
+ self.assertEqual(self.type2test(b"a\0b\0c\0") == "abc", False)
+ self.assertEqual(self.type2test(b"a\0\0\0b\0\0\0c\0\0\0") == "abc", False)
+ self.assertEqual(self.type2test() == str(), False)
+ self.assertEqual(self.type2test() != str(), 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 = "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 = "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 = "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 + "def")
+ self.assertRaises(TypeError, lambda: "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.maxsize)
+
+ 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: "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)
+ # To be fixed
+ if self.type2test != bytes:
+ self.assertEquals(self.type2test.fromhex(''), self.type2test())
+ b = bytearray([0x1a, 0x2b, 0x30])
+ self.assertEquals(self.type2test.fromhex('1a2B30'), b)
+ self.assertEquals(self.type2test.fromhex(' 1A 2B 30 '), b)
+ self.assertEquals(self.type2test.fromhex('0000'), b'\0\0')
+ self.assertRaises(TypeError, self.type2test.fromhex, b'1B')
+ self.assertRaises(ValueError, self.type2test.fromhex, 'a')
+ self.assertRaises(ValueError, self.type2test.fromhex, 'rt')
+ self.assertRaises(ValueError, self.type2test.fromhex, '1a b cd')
+ self.assertRaises(ValueError, self.type2test.fromhex, '\x00')
+ self.assertRaises(ValueError, self.type2test.fromhex, '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, ' ')
+
+ 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, ' ')
+
+ 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 test_strip_bytearray(self):
+ 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, 'b')
+ self.assertRaises(TypeError, self.type2test(b'abc').lstrip, 'b')
+ self.assertRaises(TypeError, self.type2test(b'abc').rstrip, '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 BytesTest(BaseBytesTest):
+ type2test = bytes
+
+class ByteArrayTest(BaseBytesTest):
+ type2test = bytearray
def test_nohash(self):
self.assertRaises(TypeError, hash, bytearray())
- 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_bytearray_api(self):
short_sample = b"Hello world\n"
sample = short_sample + b"\0"*(20 - len(short_sample))
@@ -203,13 +486,6 @@
except os.error:
pass
- def test_reversed(self):
- input = list(map(ord, "Hello"))
- b = bytearray(input)
- output = list(reversed(b))
- input.reverse()
- self.assertEqual(output, input)
-
def test_reverse(self):
b = bytearray(b'hello')
self.assertEqual(b.reverse(), None)
@@ -221,37 +497,6 @@
b.reverse()
self.assertFalse(b)
- def test_getslice(self):
- def by(s):
- return bytearray(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 = bytearray(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], bytearray(L[start:stop:step]))
-
def test_regexps(self):
def by(s):
return bytearray(map(ord, s))
@@ -355,68 +600,6 @@
b[8:] = b
self.assertEqual(b, bytearray(list(range(8)) + list(range(256))))
- def test_encoding(self):
- sample = "Hello world\n\u1234\u5678\u9abc\udef0"
- for enc in ("utf8", "utf16"):
- b = bytearray(sample, enc)
- self.assertEqual(b, bytearray(sample.encode(enc)))
- self.assertRaises(UnicodeEncodeError, bytearray, sample, "latin1")
- b = bytearray(sample, "latin1", "ignore")
- self.assertEqual(b, bytearray(sample[:-4], "utf-8"))
-
- def test_decode(self):
- sample = "Hello world\n\u1234\u5678\u9abc\def0\def0"
- for enc in ("utf8", "utf16"):
- b = bytearray(sample, enc)
- self.assertEqual(b.decode(enc), sample)
- sample = "Hello world\n\x80\x81\xfe\xff"
- b = bytearray(sample, "latin1")
- self.assertRaises(UnicodeDecodeError, b.decode, "utf8")
- self.assertEqual(b.decode("utf8", "ignore"), "Hello world\n")
-
- 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'")
-
- def test_from_int(self):
- b = bytearray(0)
- self.assertEqual(b, bytearray())
- b = bytearray(10)
- self.assertEqual(b, bytearray([0]*10))
- b = bytearray(10000)
- self.assertEqual(b, bytearray([0]*10000))
-
- def test_concat(self):
- b1 = b"abc"
- b2 = 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 + "def")
- self.assertRaises(TypeError, lambda: "abc" + b2)
-
- def test_repeat(self):
- for b in b"abc", bytearray(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.maxsize)
-
- def test_repeat_1char(self):
- self.assertEqual(b'x'*100, bytearray([ord('x')]*100))
-
def test_iconcat(self):
b = bytearray(b"abc")
b1 = b
@@ -449,30 +632,6 @@
self.assertEqual(b, b1)
self.failUnless(b is b1)
- def test_contains(self):
- for b in b"abc", bytearray(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: "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_alloc(self):
b = bytearray()
alloc = b.__alloc__()
@@ -485,44 +644,6 @@
if alloc not in seq:
seq.append(alloc)
- def test_fromhex(self):
- self.assertRaises(TypeError, bytearray.fromhex)
- self.assertRaises(TypeError, bytearray.fromhex, 1)
- self.assertEquals(bytearray.fromhex(''), bytearray())
- b = bytearray([0x1a, 0x2b, 0x30])
- self.assertEquals(bytearray.fromhex('1a2B30'), b)
- self.assertEquals(bytearray.fromhex(' 1A 2B 30 '), b)
- self.assertEquals(bytearray.fromhex('0000'), b'\0\0')
- self.assertRaises(TypeError, bytearray.fromhex, b'1B')
- self.assertRaises(ValueError, bytearray.fromhex, 'a')
- self.assertRaises(ValueError, bytearray.fromhex, 'rt')
- self.assertRaises(ValueError, bytearray.fromhex, '1a b cd')
- self.assertRaises(ValueError, bytearray.fromhex, '\x00')
- self.assertRaises(ValueError, bytearray.fromhex, '12 \x00 34')
-
- def test_join(self):
- self.assertEqual(b"".join([]), b"")
- self.assertEqual(b"".join([b""]), b"")
- for lst in [[b"abc"], [b"a", b"bc"], [b"ab", b"c"], [b"a", b"b", b"c"]]:
- self.assertEqual(b"".join(lst), b"abc")
- self.assertEqual(b"".join(tuple(lst)), b"abc")
- self.assertEqual(b"".join(iter(lst)), b"abc")
- self.assertEqual(b".".join([b"ab", b"cd"]), b"ab.cd")
- # XXX more...
-
- 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_extend(self):
orig = b'hello'
a = bytearray(orig)
@@ -574,19 +695,6 @@
def test_nosort(self):
self.assertRaises(AttributeError, lambda: bytearray().sort())
- def test_index(self):
- b = 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 = 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_append(self):
b = bytearray(b'hell')
b.append(ord('o'))
@@ -606,187 +714,6 @@
self.assertEqual(b, b'mississippi')
self.assertRaises(TypeError, lambda: b.insert(0, b'1'))
- def test_startswith(self):
- b = b'hello'
- self.assertFalse(bytearray().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 = 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 = 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 = 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 = 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 = 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 = b'mississippi'
- self.assertEqual(b.replace(b'i', b'a'), b'massassappa')
- self.assertEqual(b.replace(b'ss', b'x'), b'mixixippi')
-
- 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(self):
- b = 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'):
- 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'])
- self.assertEqual(b' a bb c '.split(None, 0), [b'a bb c '])
- self.assertEqual(b' a bb c '.split(None, 1), [b'a', b'bb c '])
- self.assertEqual(b' a bb c '.split(None, 2), [b'a', b'bb', b'c '])
- self.assertEqual(b' a bb c '.split(None, 3), [b'a', b'bb', b'c'])
-
- def test_split_bytearray(self):
- self.assertEqual(b'a b'.split(memoryview(b' ')), [b'a', b'b'])
-
- def test_split_string_error(self):
- self.assertRaises(TypeError, b'a b'.split, ' ')
-
- def test_rsplit(self):
- b = 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'):
- 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(b' a bb c '.rsplit(None, 0), [b' a bb c'])
- self.assertEqual(b' a bb c '.rsplit(None, 1), [b' a bb', b'c'])
- self.assertEqual(b' a bb c '.rsplit(None, 2), [b' a', b'bb', b'c'])
- self.assertEqual(b' a bb c '.rsplit(None, 3), [b'a', b'bb', b'c'])
-
- def test_rsplit_bytearray(self):
- self.assertEqual(b'a b'.rsplit(memoryview(b' ')), [b'a', b'b'])
-
- def test_rsplit_string_error(self):
- self.assertRaises(TypeError, b'a b'.rsplit, ' ')
-
- def test_rsplit_unicodewhitespace(self):
- b = 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'])
- ba = bytearray(b)
- self.assertEqual(ba.split(), [bytearray(b'\x1c\x1d\x1e\x1f')])
- self.assertEqual(ba.rsplit(), [bytearray(b'\x1c\x1d\x1e\x1f')])
-
-
- def test_partition(self):
- b = 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 = 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":
- ps = pickle.dumps(b, proto)
- q = pickle.loads(ps)
- self.assertEqual(b, q)
-
- def test_strip(self):
- b = 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 = 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 = 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 = 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 test_strip_bytearray(self):
- self.assertEqual(b'abc'.strip(memoryview(b'ac')), b'b')
- self.assertEqual(b'abc'.lstrip(memoryview(b'ac')), b'bc')
- self.assertEqual(b'abc'.rstrip(memoryview(b'ac')), b'ab')
-
- def test_strip_string_error(self):
- self.assertRaises(TypeError, b'abc'.strip, 'b')
- self.assertRaises(TypeError, b'abc'.lstrip, 'b')
- self.assertRaises(TypeError, b'abc'.rstrip, 'b')
-
- def test_ord(self):
- b = b'\0A\x7f\x80\xff'
- self.assertEqual([ord(b[i:i+1]) for i in range(len(b))],
- [0, 65, 127, 128, 255])
-
def test_partition_bytearray_doesnt_share_nullstring(self):
a, b, c = bytearray(b"x").partition(b"y")
self.assertEqual(b, b"")
@@ -809,6 +736,105 @@
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)
@@ -841,8 +867,7 @@
methname+' returned self on a mutable object')
-class BytesAsStringTest(test.string_tests.BaseTest):
- type2test = bytearray
+class FixedStringTest(test.string_tests.BaseTest):
def fixtype(self, obj):
if isinstance(obj, str):
@@ -861,6 +886,12 @@
def test_lower(self):
pass
+class ByteArrayAsStringTest(FixedStringTest):
+ type2test = bytearray
+
+class BytesAsStringTest(FixedStringTest):
+ type2test = bytes
+
class ByteArraySubclass(bytearray):
pass
@@ -942,7 +973,10 @@
def test_main():
test.test_support.run_unittest(BytesTest)
+ test.test_support.run_unittest(ByteArrayTest)
+ test.test_support.run_unittest(AssortedBytesTest)
test.test_support.run_unittest(BytesAsStringTest)
+ test.test_support.run_unittest(ByteArrayAsStringTest)
test.test_support.run_unittest(ByteArraySubclassTest)
test.test_support.run_unittest(BytearrayPEP3137Test)