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# Source Generated with Decompyle++ # File: in.pyc (Python 2.4) import sys import os import unittest from StringIO import StringIO import tempfile import csv import gc from test import test_support 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): (fd, name) = tempfile.mkstemp() fileobj = os.fdopen(fd, 'w+b') try: writer = csv.writer(fileobj, **kwargs) writer.writerow(fields) fileobj.seek(0) self.assertEqual(fileobj.read(), expect + writer.dialect.lineterminator) finally: fileobj.close() os.unlink(name) 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) 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): 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 = '\\') 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']]) (fd, name) = tempfile.mkstemp() fileobj = os.fdopen(fd, 'w+b') try: writer = csv.writer(fileobj) self.assertRaises(TypeError, writer.writerows, None) writer.writerows([ [ 'a', 'b'], [ 'c', 'd']]) fileobj.seek(0) self.assertEqual(fileobj.read(), 'a,b\r\nc,d\r\n') finally: fileobj.close() os.unlink(name) 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) self.assertRaises(csv.Error, self._read_test, [ 'ab\x00c'], 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): 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 = '\\' (fd, name) = tempfile.mkstemp() fileobj = os.fdopen(fd, 'w+b') try: fileobj.write('abc def\nc1ccccc1 benzene\n') fileobj.seek(0) rdr = csv.reader(fileobj, dialect = space()) self.assertEqual(rdr.next(), [ 'abc', 'def']) self.assertEqual(rdr.next(), [ 'c1ccccc1', 'benzene']) finally: fileobj.close() os.unlink(name) 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: (fd, name) = tempfile.mkstemp() fileobj = os.fdopen(fd, 'w+b') try: writer = csv.writer(fileobj) writer.writerow([ 1, 2, 3]) fileobj.seek(0) self.assertEqual(fileobj.read(), '1,2,3\r\n') finally: fileobj.close() os.unlink(name) (fd, name) = tempfile.mkstemp() fileobj = os.fdopen(fd, 'w+b') try: writer = csv.writer(fileobj, testA) writer.writerow([ 1, 2, 3]) fileobj.seek(0) self.assertEqual(fileobj.read(), '1\t2\t3\r\n') finally: fileobj.close() os.unlink(name) (fd, name) = tempfile.mkstemp() fileobj = os.fdopen(fd, 'w+b') try: writer = csv.writer(fileobj, dialect = testB()) writer.writerow([ 1, 2, 3]) fileobj.seek(0) self.assertEqual(fileobj.read(), '1:2:3\r\n') finally: fileobj.close() os.unlink(name) (fd, name) = tempfile.mkstemp() fileobj = os.fdopen(fd, 'w+b') try: writer = csv.writer(fileobj, dialect = 'testC') writer.writerow([ 1, 2, 3]) fileobj.seek(0) self.assertEqual(fileobj.read(), '1|2|3\r\n') finally: fileobj.close() os.unlink(name) (fd, name) = tempfile.mkstemp() fileobj = os.fdopen(fd, 'w+b') try: writer = csv.writer(fileobj, dialect = testA, delimiter = ';') writer.writerow([ 1, 2, 3]) fileobj.seek(0) self.assertEqual(fileobj.read(), '1;2;3\r\n') finally: fileobj.close() os.unlink(name) finally: csv.unregister_dialect('testC') def test_bad_dialect(self): self.assertRaises(AttributeError, csv.reader, [], bad_attr = 0) 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): (fd, name) = tempfile.mkstemp() fileobj = os.fdopen(fd, 'w+b') try: fileobj.write(input) fileobj.seek(0) reader = csv.reader(fileobj, dialect = self.dialect) fields = list(reader) self.assertEqual(fields, expected_result) finally: fileobj.close() os.unlink(name) def writerAssertEqual(self, input, expected_result): (fd, name) = tempfile.mkstemp() fileobj = os.fdopen(fd, 'w+b') try: writer = csv.writer(fileobj, dialect = self.dialect) writer.writerows(input) fileobj.seek(0) self.assertEqual(fileobj.read(), expected_result) finally: fileobj.close() os.unlink(name) 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,""\nsaid the blind man","as he picked up his\nhammer and saw"\n9,8,7,6' 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']]) class TestDictFields(unittest.TestCase): def test_write_simple_dict(self): (fd, name) = tempfile.mkstemp() fileobj = os.fdopen(fd, 'w+b') try: writer = csv.DictWriter(fileobj, fieldnames = [ 'f1', 'f2', 'f3']) writer.writerow({ 'f1': 10, 'f3': 'abc' }) fileobj.seek(0) self.assertEqual(fileobj.read(), '10,,abc\r\n') finally: fileobj.close() os.unlink(name) def test_write_no_fields(self): fileobj = StringIO() self.assertRaises(TypeError, csv.DictWriter, fileobj) def test_read_dict_fields(self): (fd, name) = tempfile.mkstemp() fileobj = os.fdopen(fd, 'w+b') try: fileobj.write('1,2,abc\r\n') fileobj.seek(0) reader = csv.DictReader(fileobj, fieldnames = [ 'f1', 'f2', 'f3']) self.assertEqual(reader.next(), { 'f1': '1', 'f2': '2', 'f3': 'abc' }) finally: fileobj.close() os.unlink(name) def test_read_dict_no_fieldnames(self): (fd, name) = tempfile.mkstemp() fileobj = os.fdopen(fd, 'w+b') try: fileobj.write('f1,f2,f3\r\n1,2,abc\r\n') fileobj.seek(0) reader = csv.DictReader(fileobj) self.assertEqual(reader.next(), { 'f1': '1', 'f2': '2', 'f3': 'abc' }) finally: fileobj.close() os.unlink(name) def test_read_long(self): (fd, name) = tempfile.mkstemp() fileobj = os.fdopen(fd, 'w+b') try: fileobj.write('1,2,abc,4,5,6\r\n') fileobj.seek(0) reader = csv.DictReader(fileobj, fieldnames = [ 'f1', 'f2']) self.assertEqual(reader.next(), { 'f1': '1', 'f2': '2', None: [ 'abc', '4', '5', '6'] }) finally: fileobj.close() os.unlink(name) def test_read_long_with_rest(self): (fd, name) = tempfile.mkstemp() fileobj = os.fdopen(fd, 'w+b') try: fileobj.write('1,2,abc,4,5,6\r\n') fileobj.seek(0) reader = csv.DictReader(fileobj, fieldnames = [ 'f1', 'f2'], restkey = '_rest') self.assertEqual(reader.next(), { 'f1': '1', 'f2': '2', '_rest': [ 'abc', '4', '5', '6'] }) finally: fileobj.close() os.unlink(name) def test_read_long_with_rest_no_fieldnames(self): (fd, name) = tempfile.mkstemp() fileobj = os.fdopen(fd, 'w+b') try: fileobj.write('f1,f2\r\n1,2,abc,4,5,6\r\n') fileobj.seek(0) reader = csv.DictReader(fileobj, restkey = '_rest') self.assertEqual(reader.next(), { 'f1': '1', 'f2': '2', '_rest': [ 'abc', '4', '5', '6'] }) finally: fileobj.close() os.unlink(name) def test_read_short(self): (fd, name) = tempfile.mkstemp() fileobj = os.fdopen(fd, 'w+b') try: fileobj.write('1,2,abc,4,5,6\r\n1,2,abc\r\n') fileobj.seek(0) reader = csv.DictReader(fileobj, 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' }) finally: fileobj.close() os.unlink(name) def test_read_multi(self): sample = [ '2147483648,43.0e12,17,abc,def\r\n', '147483648,43.0e2,17,abc,def\r\n', '47483648,43.0,170,abc,def\r\n'] reader = csv.DictReader(sample, fieldnames = 'i1 float i2 s1 s2'.split()) self.assertEqual(reader.next(), { 'i1': '2147483648', 'float': '43.0e12', 'i2': '17', 's1': 'abc', 's2': 'def' }) 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' }) def test_read_semi_sep(self): reader = csv.DictReader([ '1;2;abc;4;5;6\r\n'], fieldnames = '1 2 3 4 5 6'.split(), delimiter = ';') 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) (fd, name) = tempfile.mkstemp() fileobj = os.fdopen(fd, 'w+b') try: writer = csv.writer(fileobj, dialect = 'excel') writer.writerow(a) expected = []([ str(i) for i in a ]) + '\r\n' fileobj.seek(0) self.assertEqual(fileobj.read(), expected) finally: fileobj.close() os.unlink(name) def test_double_write(self): import array contents = [ (20 - i) * 0.10000000000000001 for i in range(20) ] a = array.array('d', contents) (fd, name) = tempfile.mkstemp() fileobj = os.fdopen(fd, 'w+b') try: writer = csv.writer(fileobj, dialect = 'excel') writer.writerow(a) expected = []([ str(i) for i in a ]) + '\r\n' fileobj.seek(0) self.assertEqual(fileobj.read(), expected) finally: fileobj.close() os.unlink(name) def test_float_write(self): import array contents = [ (20 - i) * 0.10000000000000001 for i in range(20) ] a = array.array('f', contents) (fd, name) = tempfile.mkstemp() fileobj = os.fdopen(fd, 'w+b') try: writer = csv.writer(fileobj, dialect = 'excel') writer.writerow(a) expected = []([ str(i) for i in a ]) + '\r\n' fileobj.seek(0) self.assertEqual(fileobj.read(), expected) finally: fileobj.close() os.unlink(name) def test_char_write(self): import array import string a = array.array('c', string.letters) (fd, name) = tempfile.mkstemp() fileobj = os.fdopen(fd, 'w+b') try: writer = csv.writer(fileobj, dialect = 'excel') writer.writerow(a) expected = ','.join(a) + '\r\n' fileobj.seek(0) self.assertEqual(fileobj.read(), expected) finally: fileobj.close() os.unlink(name) 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) class TestSniffer(unittest.TestCase): sample1 = "Harry's, Arlington Heights, IL, 2/1/03, Kimi Hayes\nShark City, Glendale Heights, IL, 12/28/02, Prezence\nTommy's Place, Blue Island, IL, 12/28/02, Blue Sunday/White Crow\nStonecutters Seafood and Chop House, Lemont, IL, 12/19/02, Week Back\n" sample2 = "'Harry''s':'Arlington Heights':'IL':'2/1/03':'Kimi Hayes'\n'Shark City':'Glendale Heights':'IL':'12/28/02':'Prezence'\n'Tommy''s Place':'Blue Island':'IL':'12/28/02':'Blue Sunday/White Crow'\n'Stonecutters Seafood and Chop House':'Lemont':'IL':'12/19/02':'Week Back'\n" header = '"venue","city","state","date","performers"\n' sample3 = '05/05/03?05/05/03?05/05/03?05/05/03?05/05/03?05/05/03\n05/05/03?05/05/03?05/05/03?05/05/03?05/05/03?05/05/03\n05/05/03?05/05/03?05/05/03?05/05/03?05/05/03?05/05/03\n' sample4 = '2147483648;43.0e12;17;abc;def\n147483648;43.0e2;17;abc;def\n47483648;43.0;170;abc;def\n' def test_has_header(self): sniffer = csv.Sniffer() self.assertEqual(sniffer.has_header(self.sample1), False) self.assertEqual(sniffer.has_header(self.header + self.sample1), True) def test_sniff(self): sniffer = csv.Sniffer() dialect = sniffer.sniff(self.sample1) self.assertEqual(dialect.delimiter, ',') self.assertEqual(dialect.quotechar, '"') self.assertEqual(dialect.skipinitialspace, True) dialect = sniffer.sniff(self.sample2) self.assertEqual(dialect.delimiter, ':') self.assertEqual(dialect.quotechar, "'") self.assertEqual(dialect.skipinitialspace, False) def test_delimiters(self): sniffer = csv.Sniffer() dialect = sniffer.sniff(self.sample3) self.assertEqual(dialect.delimiter, '0') dialect = sniffer.sniff(self.sample3, delimiters = '?,') self.assertEqual(dialect.delimiter, '?') dialect = sniffer.sniff(self.sample3, delimiters = '/,') self.assertEqual(dialect.delimiter, '/') dialect = sniffer.sniff(self.sample4) self.assertEqual(dialect.delimiter, ';') if not hasattr(sys, 'gettotalrefcount'): if test_support.verbose: 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 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 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 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 self.assertEqual(delta < 5, True) def test_main(): mod = sys.modules[__name__] [](*_[1]) if __name__ == '__main__': test_main()