new CSV file processing module - see PEP 305
diff --git a/Lib/test/test_csv.py b/Lib/test/test_csv.py
new file mode 100644
index 0000000..64456db
--- /dev/null
+++ b/Lib/test/test_csv.py
@@ -0,0 +1,619 @@
+# Copyright (C) 2001,2002 Python Software Foundation
+# csv package unit tests
+
+import sys
+import unittest
+from StringIO import StringIO
+from csv import csv
+import gc
+
+class Test_Csv(unittest.TestCase):
+ """
+ Test the underlying C csv parser in ways that are not appropriate
+ from the high level interface. Further tests of this nature are done
+ in TestDialectRegistry.
+ """
+ def test_reader_arg_valid(self):
+ self.assertRaises(TypeError, csv.reader)
+ self.assertRaises(TypeError, csv.reader, None)
+ self.assertRaises(AttributeError, csv.reader, [], bad_attr = 0)
+ self.assertRaises(csv.Error, csv.reader, [], 'foo')
+ class BadClass:
+ def __init__(self):
+ raise IOError
+ self.assertRaises(IOError, csv.reader, [], BadClass)
+ self.assertRaises(TypeError, csv.reader, [], None)
+ class BadDialect:
+ bad_attr = 0
+ self.assertRaises(AttributeError, csv.reader, [], BadDialect)
+
+ def test_writer_arg_valid(self):
+ self.assertRaises(TypeError, csv.writer)
+ self.assertRaises(TypeError, csv.writer, None)
+ self.assertRaises(AttributeError, csv.writer, StringIO(), bad_attr = 0)
+
+ def _test_attrs(self, obj):
+ self.assertEqual(obj.dialect.delimiter, ',')
+ obj.dialect.delimiter = '\t'
+ self.assertEqual(obj.dialect.delimiter, '\t')
+ self.assertRaises(TypeError, delattr, obj.dialect, 'delimiter')
+ self.assertRaises(TypeError, setattr, obj.dialect,
+ 'lineterminator', None)
+ obj.dialect.escapechar = None
+ self.assertEqual(obj.dialect.escapechar, None)
+ self.assertRaises(TypeError, delattr, obj.dialect, 'quoting')
+ self.assertRaises(TypeError, setattr, obj.dialect, 'quoting', None)
+ obj.dialect.quoting = csv.QUOTE_MINIMAL
+ self.assertEqual(obj.dialect.quoting, csv.QUOTE_MINIMAL)
+
+ def test_reader_attrs(self):
+ self._test_attrs(csv.reader([]))
+
+ def test_writer_attrs(self):
+ self._test_attrs(csv.writer(StringIO()))
+
+ def _write_test(self, fields, expect, **kwargs):
+ fileobj = StringIO()
+ writer = csv.writer(fileobj, **kwargs)
+ writer.writerow(fields)
+ self.assertEqual(fileobj.getvalue(),
+ expect + writer.dialect.lineterminator)
+
+ def test_write_arg_valid(self):
+ self.assertRaises(csv.Error, self._write_test, None, '')
+ self._write_test((), '')
+ self._write_test([None], '""')
+ self.assertRaises(csv.Error, self._write_test,
+ [None], None, quoting = csv.QUOTE_NONE)
+ # Check that exceptions are passed up the chain
+ class BadList:
+ def __len__(self):
+ return 10;
+ def __getitem__(self, i):
+ if i > 2:
+ raise IOError
+ self.assertRaises(IOError, self._write_test, BadList(), '')
+ class BadItem:
+ def __str__(self):
+ raise IOError
+ self.assertRaises(IOError, self._write_test, [BadItem()], '')
+
+ def test_write_bigfield(self):
+ # This exercises the buffer realloc functionality
+ bigstring = 'X' * 50000
+ self._write_test([bigstring,bigstring], '%s,%s' % \
+ (bigstring, bigstring))
+
+ def test_write_quoting(self):
+ self._write_test(['a','1','p,q'], 'a,1,"p,q"')
+ self.assertRaises(csv.Error,
+ self._write_test,
+ ['a','1','p,q'], 'a,1,"p,q"',
+ quoting = csv.QUOTE_NONE)
+ self._write_test(['a','1','p,q'], 'a,1,"p,q"',
+ quoting = csv.QUOTE_MINIMAL)
+ self._write_test(['a','1','p,q'], '"a",1,"p,q"',
+ quoting = csv.QUOTE_NONNUMERIC)
+ self._write_test(['a','1','p,q'], '"a","1","p,q"',
+ quoting = csv.QUOTE_ALL)
+
+ def test_write_escape(self):
+ self._write_test(['a','1','p,q'], 'a,1,"p,q"',
+ escapechar='\\')
+# FAILED - needs to be fixed [am]:
+# self._write_test(['a','1','p,"q"'], 'a,1,"p,\\"q\\"',
+# escapechar='\\', doublequote = 0)
+ self._write_test(['a','1','p,q'], 'a,1,p\\,q',
+ escapechar='\\', quoting = csv.QUOTE_NONE)
+
+ def test_writerows(self):
+ class BrokenFile:
+ def write(self, buf):
+ raise IOError
+ writer = csv.writer(BrokenFile())
+ self.assertRaises(IOError, writer.writerows, [['a']])
+ fileobj = StringIO()
+ writer = csv.writer(fileobj)
+ self.assertRaises(TypeError, writer.writerows, None)
+ writer.writerows([['a','b'],['c','d']])
+ self.assertEqual(fileobj.getvalue(), "a,b\r\nc,d\r\n")
+
+ def _read_test(self, input, expect, **kwargs):
+ reader = csv.reader(input, **kwargs)
+ result = list(reader)
+ self.assertEqual(result, expect)
+
+ def test_read_oddinputs(self):
+ self._read_test([], [])
+ self._read_test([''], [[]])
+ self.assertRaises(csv.Error, self._read_test,
+ ['"ab"c'], None, strict = 1)
+ # cannot handle null bytes for the moment
+ self.assertRaises(csv.Error, self._read_test,
+ ['ab\0c'], None, strict = 1)
+ self._read_test(['"ab"c'], [['abc']], doublequote = 0)
+
+ def test_read_eol(self):
+ self._read_test(['a,b'], [['a','b']])
+ self._read_test(['a,b\n'], [['a','b']])
+ self._read_test(['a,b\r\n'], [['a','b']])
+ self._read_test(['a,b\r'], [['a','b']])
+ self.assertRaises(csv.Error, self._read_test, ['a,b\rc,d'], [])
+ self.assertRaises(csv.Error, self._read_test, ['a,b\nc,d'], [])
+ self.assertRaises(csv.Error, self._read_test, ['a,b\r\nc,d'], [])
+
+ def test_read_escape(self):
+ self._read_test(['a,\\b,c'], [['a', '\\b', 'c']], escapechar='\\')
+ self._read_test(['a,b\\,c'], [['a', 'b,c']], escapechar='\\')
+ self._read_test(['a,"b\\,c"'], [['a', 'b,c']], escapechar='\\')
+ self._read_test(['a,"b,\\c"'], [['a', 'b,\\c']], escapechar='\\')
+ self._read_test(['a,"b,c\\""'], [['a', 'b,c"']], escapechar='\\')
+ self._read_test(['a,"b,c"\\'], [['a', 'b,c\\']], escapechar='\\')
+
+ def test_read_bigfield(self):
+ # This exercises the buffer realloc functionality
+ bigstring = 'X' * 50000
+ bigline = '%s,%s' % (bigstring, bigstring)
+ self._read_test([bigline], [[bigstring, bigstring]])
+
+class TestDialectRegistry(unittest.TestCase):
+ def test_registry_badargs(self):
+ self.assertRaises(TypeError, csv.list_dialects, None)
+ self.assertRaises(TypeError, csv.get_dialect)
+ self.assertRaises(csv.Error, csv.get_dialect, None)
+ self.assertRaises(csv.Error, csv.get_dialect, "nonesuch")
+ self.assertRaises(TypeError, csv.unregister_dialect)
+ self.assertRaises(csv.Error, csv.unregister_dialect, None)
+ self.assertRaises(csv.Error, csv.unregister_dialect, "nonesuch")
+ self.assertRaises(TypeError, csv.register_dialect, None)
+ self.assertRaises(TypeError, csv.register_dialect, None, None)
+ self.assertRaises(TypeError, csv.register_dialect, "nonesuch", None)
+ class bogus:
+ def __init__(self):
+ raise KeyError
+ self.assertRaises(KeyError, csv.register_dialect, "nonesuch", bogus)
+
+ def test_registry(self):
+ class myexceltsv(csv.excel):
+ delimiter = "\t"
+ name = "myexceltsv"
+ expected_dialects = csv.list_dialects() + [name]
+ expected_dialects.sort()
+ csv.register_dialect(name, myexceltsv)
+ try:
+ self.failUnless(isinstance(csv.get_dialect(name), myexceltsv))
+ got_dialects = csv.list_dialects()
+ got_dialects.sort()
+ self.assertEqual(expected_dialects, got_dialects)
+ finally:
+ csv.unregister_dialect(name)
+
+ def test_incomplete_dialect(self):
+ class myexceltsv(csv.Dialect):
+ delimiter = "\t"
+ self.assertRaises(csv.Error, myexceltsv)
+
+ def test_space_dialect(self):
+ class space(csv.excel):
+ delimiter = " "
+ quoting = csv.QUOTE_NONE
+ escapechar = "\\"
+
+ s = StringIO("abc def\nc1ccccc1 benzene\n")
+ rdr = csv.reader(s, dialect=space())
+ self.assertEqual(rdr.next(), ["abc", "def"])
+ self.assertEqual(rdr.next(), ["c1ccccc1", "benzene"])
+
+ def test_dialect_apply(self):
+ class testA(csv.excel):
+ delimiter = "\t"
+ class testB(csv.excel):
+ delimiter = ":"
+ class testC(csv.excel):
+ delimiter = "|"
+
+ csv.register_dialect('testC', testC)
+ try:
+ fileobj = StringIO()
+ writer = csv.writer(fileobj)
+ writer.writerow([1,2,3])
+ self.assertEqual(fileobj.getvalue(), "1,2,3\r\n")
+
+ fileobj = StringIO()
+ writer = csv.writer(fileobj, testA)
+ writer.writerow([1,2,3])
+ self.assertEqual(fileobj.getvalue(), "1\t2\t3\r\n")
+
+ fileobj = StringIO()
+ writer = csv.writer(fileobj, dialect=testB())
+ writer.writerow([1,2,3])
+ self.assertEqual(fileobj.getvalue(), "1:2:3\r\n")
+
+ fileobj = StringIO()
+ writer = csv.writer(fileobj, dialect='testC')
+ writer.writerow([1,2,3])
+ self.assertEqual(fileobj.getvalue(), "1|2|3\r\n")
+
+ fileobj = StringIO()
+ writer = csv.writer(fileobj, dialect=testA, delimiter=';')
+ writer.writerow([1,2,3])
+ self.assertEqual(fileobj.getvalue(), "1;2;3\r\n")
+ finally:
+ csv.unregister_dialect('testC')
+
+ def test_bad_dialect(self):
+ # Unknown parameter
+ self.assertRaises(AttributeError, csv.reader, [], bad_attr = 0)
+ # Bad values
+ self.assertRaises(TypeError, csv.reader, [], delimiter = None)
+ self.assertRaises(TypeError, csv.reader, [], quoting = -1)
+ self.assertRaises(TypeError, csv.reader, [], quoting = 100)
+
+class TestCsvBase(unittest.TestCase):
+ def readerAssertEqual(self, input, expected_result):
+ reader = csv.reader(StringIO(input), dialect = self.dialect)
+ fields = list(reader)
+ self.assertEqual(fields, expected_result)
+
+ def writerAssertEqual(self, input, expected_result):
+ fileobj = StringIO()
+ writer = csv.writer(fileobj, dialect = self.dialect)
+ writer.writerows(input)
+ self.assertEqual(fileobj.getvalue(), expected_result)
+
+class TestDialectExcel(TestCsvBase):
+ dialect = 'excel'
+
+ def test_single(self):
+ self.readerAssertEqual('abc', [['abc']])
+
+ def test_simple(self):
+ self.readerAssertEqual('1,2,3,4,5', [['1','2','3','4','5']])
+
+ def test_blankline(self):
+ self.readerAssertEqual('', [])
+
+ def test_empty_fields(self):
+ self.readerAssertEqual(',', [['', '']])
+
+ def test_singlequoted(self):
+ self.readerAssertEqual('""', [['']])
+
+ def test_singlequoted_left_empty(self):
+ self.readerAssertEqual('"",', [['','']])
+
+ def test_singlequoted_right_empty(self):
+ self.readerAssertEqual(',""', [['','']])
+
+ def test_single_quoted_quote(self):
+ self.readerAssertEqual('""""', [['"']])
+
+ def test_quoted_quotes(self):
+ self.readerAssertEqual('""""""', [['""']])
+
+ def test_inline_quote(self):
+ self.readerAssertEqual('a""b', [['a""b']])
+
+ def test_inline_quotes(self):
+ self.readerAssertEqual('a"b"c', [['a"b"c']])
+
+ def test_quotes_and_more(self):
+ self.readerAssertEqual('"a"b', [['ab']])
+
+ def test_lone_quote(self):
+ self.readerAssertEqual('a"b', [['a"b']])
+
+ def test_quote_and_quote(self):
+ self.readerAssertEqual('"a" "b"', [['a "b"']])
+
+ def test_space_and_quote(self):
+ self.readerAssertEqual(' "a"', [[' "a"']])
+
+ def test_quoted(self):
+ self.readerAssertEqual('1,2,3,"I think, therefore I am",5,6',
+ [['1', '2', '3',
+ 'I think, therefore I am',
+ '5', '6']])
+
+ def test_quoted_quote(self):
+ self.readerAssertEqual('1,2,3,"""I see,"" said the blind man","as he picked up his hammer and saw"',
+ [['1', '2', '3',
+ '"I see," said the blind man',
+ 'as he picked up his hammer and saw']])
+
+ def test_quoted_nl(self):
+ input = '''\
+1,2,3,"""I see,""
+said the blind man","as he picked up his
+hammer and saw"
+9,8,7,6'''
+ self.readerAssertEqual(input,
+ [['1', '2', '3',
+ '"I see,"\nsaid the blind man',
+ 'as he picked up his\nhammer and saw'],
+ ['9','8','7','6']])
+
+ def test_dubious_quote(self):
+ self.readerAssertEqual('12,12,1",', [['12', '12', '1"', '']])
+
+ def test_null(self):
+ self.writerAssertEqual([], '')
+
+ def test_single(self):
+ self.writerAssertEqual([['abc']], 'abc\r\n')
+
+ def test_simple(self):
+ self.writerAssertEqual([[1, 2, 'abc', 3, 4]], '1,2,abc,3,4\r\n')
+
+ def test_quotes(self):
+ self.writerAssertEqual([[1, 2, 'a"bc"', 3, 4]], '1,2,"a""bc""",3,4\r\n')
+
+ def test_quote_fieldsep(self):
+ self.writerAssertEqual([['abc,def']], '"abc,def"\r\n')
+
+ def test_newlines(self):
+ self.writerAssertEqual([[1, 2, 'a\nbc', 3, 4]], '1,2,"a\nbc",3,4\r\n')
+
+class EscapedExcel(csv.excel):
+ quoting = csv.QUOTE_NONE
+ escapechar = '\\'
+
+class TestEscapedExcel(TestCsvBase):
+ dialect = EscapedExcel()
+
+ def test_escape_fieldsep(self):
+ self.writerAssertEqual([['abc,def']], 'abc\\,def\r\n')
+
+ def test_read_escape_fieldsep(self):
+ self.readerAssertEqual('abc\\,def\r\n', [['abc,def']])
+
+class QuotedEscapedExcel(csv.excel):
+ quoting = csv.QUOTE_NONNUMERIC
+ escapechar = '\\'
+
+class TestQuotedEscapedExcel(TestCsvBase):
+ dialect = QuotedEscapedExcel()
+
+ def test_write_escape_fieldsep(self):
+ self.writerAssertEqual([['abc,def']], '"abc,def"\r\n')
+
+ def test_read_escape_fieldsep(self):
+ self.readerAssertEqual('"abc\\,def"\r\n', [['abc,def']])
+
+# Disabled, pending support in csv.utils module
+class TestDictFields(unittest.TestCase):
+ ### "long" means the row is longer than the number of fieldnames
+ ### "short" means there are fewer elements in the row than fieldnames
+ def test_write_simple_dict(self):
+ fileobj = StringIO()
+ writer = csv.DictWriter(fileobj, fieldnames = ["f1", "f2", "f3"])
+ writer.writerow({"f1": 10, "f3": "abc"})
+ self.assertEqual(fileobj.getvalue(), "10,,abc\r\n")
+
+ def test_write_no_fields(self):
+ fileobj = StringIO()
+ self.assertRaises(TypeError, csv.DictWriter, fileobj)
+
+ def test_read_dict_fields(self):
+ reader = csv.DictReader(StringIO("1,2,abc\r\n"),
+ fieldnames=["f1", "f2", "f3"])
+ self.assertEqual(reader.next(), {"f1": '1', "f2": '2', "f3": 'abc'})
+
+ def test_read_long(self):
+ reader = csv.DictReader(StringIO("1,2,abc,4,5,6\r\n"),
+ fieldnames=["f1", "f2"])
+ self.assertEqual(reader.next(), {"f1": '1', "f2": '2',
+ None: ["abc", "4", "5", "6"]})
+
+ def test_read_long_with_rest(self):
+ reader = csv.DictReader(StringIO("1,2,abc,4,5,6\r\n"),
+ fieldnames=["f1", "f2"], restkey="_rest")
+ self.assertEqual(reader.next(), {"f1": '1', "f2": '2',
+ "_rest": ["abc", "4", "5", "6"]})
+
+ def test_read_short(self):
+ reader = csv.DictReader(["1,2,abc,4,5,6\r\n","1,2,abc\r\n"],
+ fieldnames="1 2 3 4 5 6".split(),
+ restval="DEFAULT")
+ self.assertEqual(reader.next(), {"1": '1', "2": '2', "3": 'abc',
+ "4": '4', "5": '5', "6": '6'})
+ self.assertEqual(reader.next(), {"1": '1', "2": '2', "3": 'abc',
+ "4": 'DEFAULT', "5": 'DEFAULT',
+ "6": 'DEFAULT'})
+
+ def test_read_with_blanks(self):
+ reader = csv.DictReader(["1,2,abc,4,5,6\r\n","\r\n",
+ "1,2,abc,4,5,6\r\n"],
+ fieldnames="1 2 3 4 5 6".split())
+ self.assertEqual(reader.next(), {"1": '1', "2": '2', "3": 'abc',
+ "4": '4', "5": '5', "6": '6'})
+ self.assertEqual(reader.next(), {"1": '1', "2": '2', "3": 'abc',
+ "4": '4', "5": '5', "6": '6'})
+
+class TestArrayWrites(unittest.TestCase):
+ def test_int_write(self):
+ import array
+ contents = [(20-i) for i in range(20)]
+ a = array.array('i', contents)
+ fileobj = StringIO()
+ writer = csv.writer(fileobj, dialect="excel")
+ writer.writerow(a)
+ expected = ",".join([str(i) for i in a])+"\r\n"
+ self.assertEqual(fileobj.getvalue(), expected)
+
+ def test_double_write(self):
+ import array
+ contents = [(20-i)*0.1 for i in range(20)]
+ a = array.array('d', contents)
+ fileobj = StringIO()
+ writer = csv.writer(fileobj, dialect="excel")
+ writer.writerow(a)
+ expected = ",".join([str(i) for i in a])+"\r\n"
+ self.assertEqual(fileobj.getvalue(), expected)
+
+ def test_float_write(self):
+ import array
+ contents = [(20-i)*0.1 for i in range(20)]
+ a = array.array('f', contents)
+ fileobj = StringIO()
+ writer = csv.writer(fileobj, dialect="excel")
+ writer.writerow(a)
+ expected = ",".join([str(i) for i in a])+"\r\n"
+ self.assertEqual(fileobj.getvalue(), expected)
+
+ def test_char_write(self):
+ import array, string
+ a = array.array('c', string.letters)
+ fileobj = StringIO()
+ writer = csv.writer(fileobj, dialect="excel")
+ writer.writerow(a)
+ expected = ",".join(a)+"\r\n"
+ self.assertEqual(fileobj.getvalue(), expected)
+
+class TestDialectValidity(unittest.TestCase):
+ def test_quoting(self):
+ class mydialect(csv.Dialect):
+ delimiter = ";"
+ escapechar = '\\'
+ doublequote = False
+ skipinitialspace = True
+ lineterminator = '\r\n'
+ quoting = csv.QUOTE_NONE
+ d = mydialect()
+
+ mydialect.quoting = None
+ self.assertRaises(csv.Error, mydialect)
+
+ mydialect.quoting = csv.QUOTE_NONE
+ mydialect.escapechar = None
+ self.assertRaises(csv.Error, mydialect)
+
+ mydialect.doublequote = True
+ mydialect.quoting = csv.QUOTE_ALL
+ mydialect.quotechar = '"'
+ d = mydialect()
+
+ mydialect.quotechar = "''"
+ self.assertRaises(csv.Error, mydialect)
+
+ mydialect.quotechar = 4
+ self.assertRaises(csv.Error, mydialect)
+
+ def test_delimiter(self):
+ class mydialect(csv.Dialect):
+ delimiter = ";"
+ escapechar = '\\'
+ doublequote = False
+ skipinitialspace = True
+ lineterminator = '\r\n'
+ quoting = csv.QUOTE_NONE
+ d = mydialect()
+
+ mydialect.delimiter = ":::"
+ self.assertRaises(csv.Error, mydialect)
+
+ mydialect.delimiter = 4
+ self.assertRaises(csv.Error, mydialect)
+
+ def test_lineterminator(self):
+ class mydialect(csv.Dialect):
+ delimiter = ";"
+ escapechar = '\\'
+ doublequote = False
+ skipinitialspace = True
+ lineterminator = '\r\n'
+ quoting = csv.QUOTE_NONE
+ d = mydialect()
+
+ mydialect.lineterminator = ":::"
+ d = mydialect()
+
+ mydialect.lineterminator = 4
+ self.assertRaises(csv.Error, mydialect)
+
+
+if not hasattr(sys, "gettotalrefcount"):
+ print "*** skipping leakage tests ***"
+else:
+ class NUL:
+ def write(s, *args):
+ pass
+ writelines = write
+
+ class TestLeaks(unittest.TestCase):
+ def test_create_read(self):
+ delta = 0
+ lastrc = sys.gettotalrefcount()
+ for i in xrange(20):
+ gc.collect()
+ self.assertEqual(gc.garbage, [])
+ rc = sys.gettotalrefcount()
+ csv.reader(["a,b,c\r\n"])
+ csv.reader(["a,b,c\r\n"])
+ csv.reader(["a,b,c\r\n"])
+ delta = rc-lastrc
+ lastrc = rc
+ # if csv.reader() leaks, last delta should be 3 or more
+ self.assertEqual(delta < 3, True)
+
+ def test_create_write(self):
+ delta = 0
+ lastrc = sys.gettotalrefcount()
+ s = NUL()
+ for i in xrange(20):
+ gc.collect()
+ self.assertEqual(gc.garbage, [])
+ rc = sys.gettotalrefcount()
+ csv.writer(s)
+ csv.writer(s)
+ csv.writer(s)
+ delta = rc-lastrc
+ lastrc = rc
+ # if csv.writer() leaks, last delta should be 3 or more
+ self.assertEqual(delta < 3, True)
+
+ def test_read(self):
+ delta = 0
+ rows = ["a,b,c\r\n"]*5
+ lastrc = sys.gettotalrefcount()
+ for i in xrange(20):
+ gc.collect()
+ self.assertEqual(gc.garbage, [])
+ rc = sys.gettotalrefcount()
+ rdr = csv.reader(rows)
+ for row in rdr:
+ pass
+ delta = rc-lastrc
+ lastrc = rc
+ # if reader leaks during read, delta should be 5 or more
+ self.assertEqual(delta < 5, True)
+
+ def test_write(self):
+ delta = 0
+ rows = [[1,2,3]]*5
+ s = NUL()
+ lastrc = sys.gettotalrefcount()
+ for i in xrange(20):
+ gc.collect()
+ self.assertEqual(gc.garbage, [])
+ rc = sys.gettotalrefcount()
+ writer = csv.writer(s)
+ for row in rows:
+ writer.writerow(row)
+ delta = rc-lastrc
+ lastrc = rc
+ # if writer leaks during write, last delta should be 5 or more
+ self.assertEqual(delta < 5, True)
+
+def _testclasses():
+ mod = sys.modules[__name__]
+ return [getattr(mod, name) for name in dir(mod) if name.startswith('Test')]
+
+def suite():
+ suite = unittest.TestSuite()
+ for testclass in _testclasses():
+ suite.addTest(unittest.makeSuite(testclass))
+ return suite
+
+if __name__ == '__main__':
+ unittest.main(defaultTest='suite')