| 1 | # -*- coding: iso-8859-1 -*-
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| 2 | # Copyright (C) 2001,2002 Python Software Foundation
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| 3 | # csv package unit tests
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| 4 |
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| 5 | import sys
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| 6 | import os
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| 7 | import unittest
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| 8 | from StringIO import StringIO
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| 9 | import tempfile
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| 10 | import csv
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| 11 | import gc
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| 12 | from test import test_support
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| 13 |
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| 14 | class Test_Csv(unittest.TestCase):
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| 15 | """
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| 16 | Test the underlying C csv parser in ways that are not appropriate
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| 17 | from the high level interface. Further tests of this nature are done
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| 18 | in TestDialectRegistry.
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| 19 | """
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| 20 | def _test_arg_valid(self, ctor, arg):
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| 21 | self.assertRaises(TypeError, ctor)
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| 22 | self.assertRaises(TypeError, ctor, None)
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| 23 | self.assertRaises(TypeError, ctor, arg, bad_attr = 0)
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| 24 | self.assertRaises(TypeError, ctor, arg, delimiter = 0)
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| 25 | self.assertRaises(TypeError, ctor, arg, delimiter = 'XX')
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| 26 | self.assertRaises(csv.Error, ctor, arg, 'foo')
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| 27 | self.assertRaises(TypeError, ctor, arg, delimiter=None)
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| 28 | self.assertRaises(TypeError, ctor, arg, delimiter=1)
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| 29 | self.assertRaises(TypeError, ctor, arg, quotechar=1)
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| 30 | self.assertRaises(TypeError, ctor, arg, lineterminator=None)
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| 31 | self.assertRaises(TypeError, ctor, arg, lineterminator=1)
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| 32 | self.assertRaises(TypeError, ctor, arg, quoting=None)
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| 33 | self.assertRaises(TypeError, ctor, arg,
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| 34 | quoting=csv.QUOTE_ALL, quotechar='')
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| 35 | self.assertRaises(TypeError, ctor, arg,
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| 36 | quoting=csv.QUOTE_ALL, quotechar=None)
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| 37 |
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| 38 | def test_reader_arg_valid(self):
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| 39 | self._test_arg_valid(csv.reader, [])
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| 40 |
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| 41 | def test_writer_arg_valid(self):
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| 42 | self._test_arg_valid(csv.writer, StringIO())
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| 43 |
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| 44 | def _test_default_attrs(self, ctor, *args):
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| 45 | obj = ctor(*args)
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| 46 | # Check defaults
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| 47 | self.assertEqual(obj.dialect.delimiter, ',')
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| 48 | self.assertEqual(obj.dialect.doublequote, True)
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| 49 | self.assertEqual(obj.dialect.escapechar, None)
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| 50 | self.assertEqual(obj.dialect.lineterminator, "\r\n")
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| 51 | self.assertEqual(obj.dialect.quotechar, '"')
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| 52 | self.assertEqual(obj.dialect.quoting, csv.QUOTE_MINIMAL)
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| 53 | self.assertEqual(obj.dialect.skipinitialspace, False)
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| 54 | self.assertEqual(obj.dialect.strict, False)
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| 55 | # Try deleting or changing attributes (they are read-only)
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| 56 | self.assertRaises(TypeError, delattr, obj.dialect, 'delimiter')
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| 57 | self.assertRaises(TypeError, setattr, obj.dialect, 'delimiter', ':')
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| 58 | self.assertRaises(AttributeError, delattr, obj.dialect, 'quoting')
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| 59 | self.assertRaises(AttributeError, setattr, obj.dialect,
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| 60 | 'quoting', None)
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| 61 |
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| 62 | def test_reader_attrs(self):
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| 63 | self._test_default_attrs(csv.reader, [])
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| 64 |
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| 65 | def test_writer_attrs(self):
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| 66 | self._test_default_attrs(csv.writer, StringIO())
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| 67 |
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| 68 | def _test_kw_attrs(self, ctor, *args):
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| 69 | # Now try with alternate options
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| 70 | kwargs = dict(delimiter=':', doublequote=False, escapechar='\\',
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| 71 | lineterminator='\r', quotechar='*',
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| 72 | quoting=csv.QUOTE_NONE, skipinitialspace=True,
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| 73 | strict=True)
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| 74 | obj = ctor(*args, **kwargs)
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| 75 | self.assertEqual(obj.dialect.delimiter, ':')
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| 76 | self.assertEqual(obj.dialect.doublequote, False)
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| 77 | self.assertEqual(obj.dialect.escapechar, '\\')
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| 78 | self.assertEqual(obj.dialect.lineterminator, "\r")
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| 79 | self.assertEqual(obj.dialect.quotechar, '*')
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| 80 | self.assertEqual(obj.dialect.quoting, csv.QUOTE_NONE)
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| 81 | self.assertEqual(obj.dialect.skipinitialspace, True)
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| 82 | self.assertEqual(obj.dialect.strict, True)
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| 83 |
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| 84 | def test_reader_kw_attrs(self):
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| 85 | self._test_kw_attrs(csv.reader, [])
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| 86 |
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| 87 | def test_writer_kw_attrs(self):
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| 88 | self._test_kw_attrs(csv.writer, StringIO())
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| 89 |
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| 90 | def _test_dialect_attrs(self, ctor, *args):
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| 91 | # Now try with dialect-derived options
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| 92 | class dialect:
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| 93 | delimiter='-'
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| 94 | doublequote=False
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| 95 | escapechar='^'
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| 96 | lineterminator='$'
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| 97 | quotechar='#'
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| 98 | quoting=csv.QUOTE_ALL
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| 99 | skipinitialspace=True
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| 100 | strict=False
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| 101 | args = args + (dialect,)
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| 102 | obj = ctor(*args)
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| 103 | self.assertEqual(obj.dialect.delimiter, '-')
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| 104 | self.assertEqual(obj.dialect.doublequote, False)
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| 105 | self.assertEqual(obj.dialect.escapechar, '^')
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| 106 | self.assertEqual(obj.dialect.lineterminator, "$")
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| 107 | self.assertEqual(obj.dialect.quotechar, '#')
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| 108 | self.assertEqual(obj.dialect.quoting, csv.QUOTE_ALL)
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| 109 | self.assertEqual(obj.dialect.skipinitialspace, True)
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| 110 | self.assertEqual(obj.dialect.strict, False)
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| 111 |
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| 112 | def test_reader_dialect_attrs(self):
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| 113 | self._test_dialect_attrs(csv.reader, [])
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| 114 |
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| 115 | def test_writer_dialect_attrs(self):
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| 116 | self._test_dialect_attrs(csv.writer, StringIO())
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| 117 |
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| 118 |
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| 119 | def _write_test(self, fields, expect, **kwargs):
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| 120 | fd, name = tempfile.mkstemp()
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| 121 | fileobj = os.fdopen(fd, "w+b")
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| 122 | try:
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| 123 | writer = csv.writer(fileobj, **kwargs)
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| 124 | writer.writerow(fields)
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| 125 | fileobj.seek(0)
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| 126 | self.assertEqual(fileobj.read(),
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| 127 | expect + writer.dialect.lineterminator)
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| 128 | finally:
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| 129 | fileobj.close()
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| 130 | os.unlink(name)
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| 131 |
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| 132 | def test_write_arg_valid(self):
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| 133 | self.assertRaises(csv.Error, self._write_test, None, '')
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| 134 | self._write_test((), '')
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| 135 | self._write_test([None], '""')
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| 136 | self.assertRaises(csv.Error, self._write_test,
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| 137 | [None], None, quoting = csv.QUOTE_NONE)
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| 138 | # Check that exceptions are passed up the chain
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| 139 | class BadList:
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| 140 | def __len__(self):
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| 141 | return 10;
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| 142 | def __getitem__(self, i):
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| 143 | if i > 2:
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| 144 | raise IOError
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| 145 | self.assertRaises(IOError, self._write_test, BadList(), '')
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| 146 | class BadItem:
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| 147 | def __str__(self):
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| 148 | raise IOError
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| 149 | self.assertRaises(IOError, self._write_test, [BadItem()], '')
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| 150 |
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| 151 | def test_write_bigfield(self):
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| 152 | # This exercises the buffer realloc functionality
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| 153 | bigstring = 'X' * 50000
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| 154 | self._write_test([bigstring,bigstring], '%s,%s' % \
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| 155 | (bigstring, bigstring))
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| 156 |
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| 157 | def test_write_quoting(self):
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| 158 | self._write_test(['a',1,'p,q'], 'a,1,"p,q"')
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| 159 | self.assertRaises(csv.Error,
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| 160 | self._write_test,
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| 161 | ['a',1,'p,q'], 'a,1,p,q',
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| 162 | quoting = csv.QUOTE_NONE)
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| 163 | self._write_test(['a',1,'p,q'], 'a,1,"p,q"',
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| 164 | quoting = csv.QUOTE_MINIMAL)
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| 165 | self._write_test(['a',1,'p,q'], '"a",1,"p,q"',
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| 166 | quoting = csv.QUOTE_NONNUMERIC)
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| 167 | self._write_test(['a',1,'p,q'], '"a","1","p,q"',
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| 168 | quoting = csv.QUOTE_ALL)
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| 169 |
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| 170 | def test_write_escape(self):
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| 171 | self._write_test(['a',1,'p,q'], 'a,1,"p,q"',
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| 172 | escapechar='\\')
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| 173 | self.assertRaises(csv.Error,
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| 174 | self._write_test,
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| 175 | ['a',1,'p,"q"'], 'a,1,"p,\\"q\\""',
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| 176 | escapechar=None, doublequote=False)
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| 177 | self._write_test(['a',1,'p,"q"'], 'a,1,"p,\\"q\\""',
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| 178 | escapechar='\\', doublequote = False)
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| 179 | self._write_test(['"'], '""""',
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| 180 | escapechar='\\', quoting = csv.QUOTE_MINIMAL)
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| 181 | self._write_test(['"'], '\\"',
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| 182 | escapechar='\\', quoting = csv.QUOTE_MINIMAL,
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| 183 | doublequote = False)
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| 184 | self._write_test(['"'], '\\"',
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| 185 | escapechar='\\', quoting = csv.QUOTE_NONE)
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| 186 | self._write_test(['a',1,'p,q'], 'a,1,p\\,q',
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| 187 | escapechar='\\', quoting = csv.QUOTE_NONE)
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| 188 |
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| 189 | def test_writerows(self):
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| 190 | class BrokenFile:
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| 191 | def write(self, buf):
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| 192 | raise IOError
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| 193 | writer = csv.writer(BrokenFile())
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| 194 | self.assertRaises(IOError, writer.writerows, [['a']])
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| 195 | fd, name = tempfile.mkstemp()
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| 196 | fileobj = os.fdopen(fd, "w+b")
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| 197 | try:
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| 198 | writer = csv.writer(fileobj)
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| 199 | self.assertRaises(TypeError, writer.writerows, None)
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| 200 | writer.writerows([['a','b'],['c','d']])
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| 201 | fileobj.seek(0)
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| 202 | self.assertEqual(fileobj.read(), "a,b\r\nc,d\r\n")
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| 203 | finally:
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| 204 | fileobj.close()
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| 205 | os.unlink(name)
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| 206 |
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| 207 | def _read_test(self, input, expect, **kwargs):
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| 208 | reader = csv.reader(input, **kwargs)
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| 209 | result = list(reader)
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| 210 | self.assertEqual(result, expect)
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| 211 |
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| 212 | def test_read_oddinputs(self):
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| 213 | self._read_test([], [])
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| 214 | self._read_test([''], [[]])
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| 215 | self.assertRaises(csv.Error, self._read_test,
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| 216 | ['"ab"c'], None, strict = 1)
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| 217 | # cannot handle null bytes for the moment
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| 218 | self.assertRaises(csv.Error, self._read_test,
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| 219 | ['ab\0c'], None, strict = 1)
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| 220 | self._read_test(['"ab"c'], [['abc']], doublequote = 0)
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| 221 |
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| 222 | def test_read_eol(self):
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| 223 | self._read_test(['a,b'], [['a','b']])
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| 224 | self._read_test(['a,b\n'], [['a','b']])
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| 225 | self._read_test(['a,b\r\n'], [['a','b']])
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| 226 | self._read_test(['a,b\r'], [['a','b']])
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| 227 | self.assertRaises(csv.Error, self._read_test, ['a,b\rc,d'], [])
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| 228 | self.assertRaises(csv.Error, self._read_test, ['a,b\nc,d'], [])
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| 229 | self.assertRaises(csv.Error, self._read_test, ['a,b\r\nc,d'], [])
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| 230 |
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| 231 | def test_read_escape(self):
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| 232 | self._read_test(['a,\\b,c'], [['a', 'b', 'c']], escapechar='\\')
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| 233 | self._read_test(['a,b\\,c'], [['a', 'b,c']], escapechar='\\')
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| 234 | self._read_test(['a,"b\\,c"'], [['a', 'b,c']], escapechar='\\')
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| 235 | self._read_test(['a,"b,\\c"'], [['a', 'b,c']], escapechar='\\')
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| 236 | self._read_test(['a,"b,c\\""'], [['a', 'b,c"']], escapechar='\\')
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| 237 | self._read_test(['a,"b,c"\\'], [['a', 'b,c\\']], escapechar='\\')
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| 238 |
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| 239 | def test_read_quoting(self):
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| 240 | self._read_test(['1,",3,",5'], [['1', ',3,', '5']])
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| 241 | self._read_test(['1,",3,",5'], [['1', '"', '3', '"', '5']],
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| 242 | quotechar=None, escapechar='\\')
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| 243 | self._read_test(['1,",3,",5'], [['1', '"', '3', '"', '5']],
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| 244 | quoting=csv.QUOTE_NONE, escapechar='\\')
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| 245 | # will this fail where locale uses comma for decimals?
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| 246 | self._read_test([',3,"5",7.3, 9'], [['', 3, '5', 7.3, 9]],
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| 247 | quoting=csv.QUOTE_NONNUMERIC)
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| 248 | self.assertRaises(ValueError, self._read_test,
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| 249 | ['abc,3'], [[]],
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| 250 | quoting=csv.QUOTE_NONNUMERIC)
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| 251 |
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| 252 | def test_read_bigfield(self):
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| 253 | # This exercises the buffer realloc functionality and field size
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| 254 | # limits.
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| 255 | limit = csv.field_size_limit()
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| 256 | try:
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| 257 | size = 50000
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| 258 | bigstring = 'X' * size
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| 259 | bigline = '%s,%s' % (bigstring, bigstring)
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| 260 | self._read_test([bigline], [[bigstring, bigstring]])
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| 261 | csv.field_size_limit(size)
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| 262 | self._read_test([bigline], [[bigstring, bigstring]])
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| 263 | self.assertEqual(csv.field_size_limit(), size)
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| 264 | csv.field_size_limit(size-1)
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| 265 | self.assertRaises(csv.Error, self._read_test, [bigline], [])
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| 266 | self.assertRaises(TypeError, csv.field_size_limit, None)
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| 267 | self.assertRaises(TypeError, csv.field_size_limit, 1, None)
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| 268 | finally:
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| 269 | csv.field_size_limit(limit)
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| 270 |
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| 271 | def test_read_linenum(self):
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| 272 | r = csv.reader(['line,1', 'line,2', 'line,3'])
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| 273 | self.assertEqual(r.line_num, 0)
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| 274 | r.next()
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| 275 | self.assertEqual(r.line_num, 1)
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| 276 | r.next()
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| 277 | self.assertEqual(r.line_num, 2)
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| 278 | r.next()
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| 279 | self.assertEqual(r.line_num, 3)
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| 280 | self.assertRaises(StopIteration, r.next)
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| 281 | self.assertEqual(r.line_num, 3)
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| 282 |
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| 283 | class TestDialectRegistry(unittest.TestCase):
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| 284 | def test_registry_badargs(self):
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| 285 | self.assertRaises(TypeError, csv.list_dialects, None)
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| 286 | self.assertRaises(TypeError, csv.get_dialect)
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| 287 | self.assertRaises(csv.Error, csv.get_dialect, None)
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| 288 | self.assertRaises(csv.Error, csv.get_dialect, "nonesuch")
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| 289 | self.assertRaises(TypeError, csv.unregister_dialect)
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| 290 | self.assertRaises(csv.Error, csv.unregister_dialect, None)
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| 291 | self.assertRaises(csv.Error, csv.unregister_dialect, "nonesuch")
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| 292 | self.assertRaises(TypeError, csv.register_dialect, None)
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| 293 | self.assertRaises(TypeError, csv.register_dialect, None, None)
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| 294 | self.assertRaises(TypeError, csv.register_dialect, "nonesuch", 0, 0)
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| 295 | self.assertRaises(TypeError, csv.register_dialect, "nonesuch",
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| 296 | badargument=None)
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| 297 | self.assertRaises(TypeError, csv.register_dialect, "nonesuch",
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| 298 | quoting=None)
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| 299 | self.assertRaises(TypeError, csv.register_dialect, [])
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| 300 |
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| 301 | def test_registry(self):
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| 302 | class myexceltsv(csv.excel):
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| 303 | delimiter = "\t"
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| 304 | name = "myexceltsv"
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| 305 | expected_dialects = csv.list_dialects() + [name]
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| 306 | expected_dialects.sort()
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| 307 | csv.register_dialect(name, myexceltsv)
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| 308 | try:
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| 309 | self.failUnless(csv.get_dialect(name).delimiter, '\t')
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| 310 | got_dialects = csv.list_dialects()
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| 311 | got_dialects.sort()
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| 312 | self.assertEqual(expected_dialects, got_dialects)
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| 313 | finally:
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| 314 | csv.unregister_dialect(name)
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| 315 |
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| 316 | def test_register_kwargs(self):
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| 317 | name = 'fedcba'
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| 318 | csv.register_dialect(name, delimiter=';')
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| 319 | try:
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| 320 | self.failUnless(csv.get_dialect(name).delimiter, '\t')
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| 321 | self.failUnless(list(csv.reader('X;Y;Z', name)), ['X', 'Y', 'Z'])
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| 322 | finally:
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| 323 | csv.unregister_dialect(name)
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| 324 |
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| 325 | def test_incomplete_dialect(self):
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| 326 | class myexceltsv(csv.Dialect):
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| 327 | delimiter = "\t"
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| 328 | self.assertRaises(csv.Error, myexceltsv)
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| 329 |
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| 330 | def test_space_dialect(self):
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| 331 | class space(csv.excel):
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| 332 | delimiter = " "
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| 333 | quoting = csv.QUOTE_NONE
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| 334 | escapechar = "\\"
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| 335 |
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| 336 | fd, name = tempfile.mkstemp()
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| 337 | fileobj = os.fdopen(fd, "w+b")
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| 338 | try:
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| 339 | fileobj.write("abc def\nc1ccccc1 benzene\n")
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| 340 | fileobj.seek(0)
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| 341 | rdr = csv.reader(fileobj, dialect=space())
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| 342 | self.assertEqual(rdr.next(), ["abc", "def"])
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| 343 | self.assertEqual(rdr.next(), ["c1ccccc1", "benzene"])
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| 344 | finally:
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| 345 | fileobj.close()
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| 346 | os.unlink(name)
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| 347 |
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| 348 | def test_dialect_apply(self):
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| 349 | class testA(csv.excel):
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| 350 | delimiter = "\t"
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| 351 | class testB(csv.excel):
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| 352 | delimiter = ":"
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| 353 | class testC(csv.excel):
|
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| 354 | delimiter = "|"
|
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| 355 |
|
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| 356 | csv.register_dialect('testC', testC)
|
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| 357 | try:
|
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| 358 | fd, name = tempfile.mkstemp()
|
|---|
| 359 | fileobj = os.fdopen(fd, "w+b")
|
|---|
| 360 | try:
|
|---|
| 361 | writer = csv.writer(fileobj)
|
|---|
| 362 | writer.writerow([1,2,3])
|
|---|
| 363 | fileobj.seek(0)
|
|---|
| 364 | self.assertEqual(fileobj.read(), "1,2,3\r\n")
|
|---|
| 365 | finally:
|
|---|
| 366 | fileobj.close()
|
|---|
| 367 | os.unlink(name)
|
|---|
| 368 |
|
|---|
| 369 | fd, name = tempfile.mkstemp()
|
|---|
| 370 | fileobj = os.fdopen(fd, "w+b")
|
|---|
| 371 | try:
|
|---|
| 372 | writer = csv.writer(fileobj, testA)
|
|---|
| 373 | writer.writerow([1,2,3])
|
|---|
| 374 | fileobj.seek(0)
|
|---|
| 375 | self.assertEqual(fileobj.read(), "1\t2\t3\r\n")
|
|---|
| 376 | finally:
|
|---|
| 377 | fileobj.close()
|
|---|
| 378 | os.unlink(name)
|
|---|
| 379 |
|
|---|
| 380 | fd, name = tempfile.mkstemp()
|
|---|
| 381 | fileobj = os.fdopen(fd, "w+b")
|
|---|
| 382 | try:
|
|---|
| 383 | writer = csv.writer(fileobj, dialect=testB())
|
|---|
| 384 | writer.writerow([1,2,3])
|
|---|
| 385 | fileobj.seek(0)
|
|---|
| 386 | self.assertEqual(fileobj.read(), "1:2:3\r\n")
|
|---|
| 387 | finally:
|
|---|
| 388 | fileobj.close()
|
|---|
| 389 | os.unlink(name)
|
|---|
| 390 |
|
|---|
| 391 | fd, name = tempfile.mkstemp()
|
|---|
| 392 | fileobj = os.fdopen(fd, "w+b")
|
|---|
| 393 | try:
|
|---|
| 394 | writer = csv.writer(fileobj, dialect='testC')
|
|---|
| 395 | writer.writerow([1,2,3])
|
|---|
| 396 | fileobj.seek(0)
|
|---|
| 397 | self.assertEqual(fileobj.read(), "1|2|3\r\n")
|
|---|
| 398 | finally:
|
|---|
| 399 | fileobj.close()
|
|---|
| 400 | os.unlink(name)
|
|---|
| 401 |
|
|---|
| 402 | fd, name = tempfile.mkstemp()
|
|---|
| 403 | fileobj = os.fdopen(fd, "w+b")
|
|---|
| 404 | try:
|
|---|
| 405 | writer = csv.writer(fileobj, dialect=testA, delimiter=';')
|
|---|
| 406 | writer.writerow([1,2,3])
|
|---|
| 407 | fileobj.seek(0)
|
|---|
| 408 | self.assertEqual(fileobj.read(), "1;2;3\r\n")
|
|---|
| 409 | finally:
|
|---|
| 410 | fileobj.close()
|
|---|
| 411 | os.unlink(name)
|
|---|
| 412 |
|
|---|
| 413 | finally:
|
|---|
| 414 | csv.unregister_dialect('testC')
|
|---|
| 415 |
|
|---|
| 416 | def test_bad_dialect(self):
|
|---|
| 417 | # Unknown parameter
|
|---|
| 418 | self.assertRaises(TypeError, csv.reader, [], bad_attr = 0)
|
|---|
| 419 | # Bad values
|
|---|
| 420 | self.assertRaises(TypeError, csv.reader, [], delimiter = None)
|
|---|
| 421 | self.assertRaises(TypeError, csv.reader, [], quoting = -1)
|
|---|
| 422 | self.assertRaises(TypeError, csv.reader, [], quoting = 100)
|
|---|
| 423 |
|
|---|
| 424 | class TestCsvBase(unittest.TestCase):
|
|---|
| 425 | def readerAssertEqual(self, input, expected_result):
|
|---|
| 426 | fd, name = tempfile.mkstemp()
|
|---|
| 427 | fileobj = os.fdopen(fd, "w+b")
|
|---|
| 428 | try:
|
|---|
| 429 | fileobj.write(input)
|
|---|
| 430 | fileobj.seek(0)
|
|---|
| 431 | reader = csv.reader(fileobj, dialect = self.dialect)
|
|---|
| 432 | fields = list(reader)
|
|---|
| 433 | self.assertEqual(fields, expected_result)
|
|---|
| 434 | finally:
|
|---|
| 435 | fileobj.close()
|
|---|
| 436 | os.unlink(name)
|
|---|
| 437 |
|
|---|
| 438 | def writerAssertEqual(self, input, expected_result):
|
|---|
| 439 | fd, name = tempfile.mkstemp()
|
|---|
| 440 | fileobj = os.fdopen(fd, "w+b")
|
|---|
| 441 | try:
|
|---|
| 442 | writer = csv.writer(fileobj, dialect = self.dialect)
|
|---|
| 443 | writer.writerows(input)
|
|---|
| 444 | fileobj.seek(0)
|
|---|
| 445 | self.assertEqual(fileobj.read(), expected_result)
|
|---|
| 446 | finally:
|
|---|
| 447 | fileobj.close()
|
|---|
| 448 | os.unlink(name)
|
|---|
| 449 |
|
|---|
| 450 | class TestDialectExcel(TestCsvBase):
|
|---|
| 451 | dialect = 'excel'
|
|---|
| 452 |
|
|---|
| 453 | def test_single(self):
|
|---|
| 454 | self.readerAssertEqual('abc', [['abc']])
|
|---|
| 455 |
|
|---|
| 456 | def test_simple(self):
|
|---|
| 457 | self.readerAssertEqual('1,2,3,4,5', [['1','2','3','4','5']])
|
|---|
| 458 |
|
|---|
| 459 | def test_blankline(self):
|
|---|
| 460 | self.readerAssertEqual('', [])
|
|---|
| 461 |
|
|---|
| 462 | def test_empty_fields(self):
|
|---|
| 463 | self.readerAssertEqual(',', [['', '']])
|
|---|
| 464 |
|
|---|
| 465 | def test_singlequoted(self):
|
|---|
| 466 | self.readerAssertEqual('""', [['']])
|
|---|
| 467 |
|
|---|
| 468 | def test_singlequoted_left_empty(self):
|
|---|
| 469 | self.readerAssertEqual('"",', [['','']])
|
|---|
| 470 |
|
|---|
| 471 | def test_singlequoted_right_empty(self):
|
|---|
| 472 | self.readerAssertEqual(',""', [['','']])
|
|---|
| 473 |
|
|---|
| 474 | def test_single_quoted_quote(self):
|
|---|
| 475 | self.readerAssertEqual('""""', [['"']])
|
|---|
| 476 |
|
|---|
| 477 | def test_quoted_quotes(self):
|
|---|
| 478 | self.readerAssertEqual('""""""', [['""']])
|
|---|
| 479 |
|
|---|
| 480 | def test_inline_quote(self):
|
|---|
| 481 | self.readerAssertEqual('a""b', [['a""b']])
|
|---|
| 482 |
|
|---|
| 483 | def test_inline_quotes(self):
|
|---|
| 484 | self.readerAssertEqual('a"b"c', [['a"b"c']])
|
|---|
| 485 |
|
|---|
| 486 | def test_quotes_and_more(self):
|
|---|
| 487 | self.readerAssertEqual('"a"b', [['ab']])
|
|---|
| 488 |
|
|---|
| 489 | def test_lone_quote(self):
|
|---|
| 490 | self.readerAssertEqual('a"b', [['a"b']])
|
|---|
| 491 |
|
|---|
| 492 | def test_quote_and_quote(self):
|
|---|
| 493 | self.readerAssertEqual('"a" "b"', [['a "b"']])
|
|---|
| 494 |
|
|---|
| 495 | def test_space_and_quote(self):
|
|---|
| 496 | self.readerAssertEqual(' "a"', [[' "a"']])
|
|---|
| 497 |
|
|---|
| 498 | def test_quoted(self):
|
|---|
| 499 | self.readerAssertEqual('1,2,3,"I think, therefore I am",5,6',
|
|---|
| 500 | [['1', '2', '3',
|
|---|
| 501 | 'I think, therefore I am',
|
|---|
| 502 | '5', '6']])
|
|---|
| 503 |
|
|---|
| 504 | def test_quoted_quote(self):
|
|---|
| 505 | self.readerAssertEqual('1,2,3,"""I see,"" said the blind man","as he picked up his hammer and saw"',
|
|---|
| 506 | [['1', '2', '3',
|
|---|
| 507 | '"I see," said the blind man',
|
|---|
| 508 | 'as he picked up his hammer and saw']])
|
|---|
| 509 |
|
|---|
| 510 | def test_quoted_nl(self):
|
|---|
| 511 | input = '''\
|
|---|
| 512 | 1,2,3,"""I see,""
|
|---|
| 513 | said the blind man","as he picked up his
|
|---|
| 514 | hammer and saw"
|
|---|
| 515 | 9,8,7,6'''
|
|---|
| 516 | self.readerAssertEqual(input,
|
|---|
| 517 | [['1', '2', '3',
|
|---|
| 518 | '"I see,"\nsaid the blind man',
|
|---|
| 519 | 'as he picked up his\nhammer and saw'],
|
|---|
| 520 | ['9','8','7','6']])
|
|---|
| 521 |
|
|---|
| 522 | def test_dubious_quote(self):
|
|---|
| 523 | self.readerAssertEqual('12,12,1",', [['12', '12', '1"', '']])
|
|---|
| 524 |
|
|---|
| 525 | def test_null(self):
|
|---|
| 526 | self.writerAssertEqual([], '')
|
|---|
| 527 |
|
|---|
| 528 | def test_single(self):
|
|---|
| 529 | self.writerAssertEqual([['abc']], 'abc\r\n')
|
|---|
| 530 |
|
|---|
| 531 | def test_simple(self):
|
|---|
| 532 | self.writerAssertEqual([[1, 2, 'abc', 3, 4]], '1,2,abc,3,4\r\n')
|
|---|
| 533 |
|
|---|
| 534 | def test_quotes(self):
|
|---|
| 535 | self.writerAssertEqual([[1, 2, 'a"bc"', 3, 4]], '1,2,"a""bc""",3,4\r\n')
|
|---|
| 536 |
|
|---|
| 537 | def test_quote_fieldsep(self):
|
|---|
| 538 | self.writerAssertEqual([['abc,def']], '"abc,def"\r\n')
|
|---|
| 539 |
|
|---|
| 540 | def test_newlines(self):
|
|---|
| 541 | self.writerAssertEqual([[1, 2, 'a\nbc', 3, 4]], '1,2,"a\nbc",3,4\r\n')
|
|---|
| 542 |
|
|---|
| 543 | class EscapedExcel(csv.excel):
|
|---|
| 544 | quoting = csv.QUOTE_NONE
|
|---|
| 545 | escapechar = '\\'
|
|---|
| 546 |
|
|---|
| 547 | class TestEscapedExcel(TestCsvBase):
|
|---|
| 548 | dialect = EscapedExcel()
|
|---|
| 549 |
|
|---|
| 550 | def test_escape_fieldsep(self):
|
|---|
| 551 | self.writerAssertEqual([['abc,def']], 'abc\\,def\r\n')
|
|---|
| 552 |
|
|---|
| 553 | def test_read_escape_fieldsep(self):
|
|---|
| 554 | self.readerAssertEqual('abc\\,def\r\n', [['abc,def']])
|
|---|
| 555 |
|
|---|
| 556 | class QuotedEscapedExcel(csv.excel):
|
|---|
| 557 | quoting = csv.QUOTE_NONNUMERIC
|
|---|
| 558 | escapechar = '\\'
|
|---|
| 559 |
|
|---|
| 560 | class TestQuotedEscapedExcel(TestCsvBase):
|
|---|
| 561 | dialect = QuotedEscapedExcel()
|
|---|
| 562 |
|
|---|
| 563 | def test_write_escape_fieldsep(self):
|
|---|
| 564 | self.writerAssertEqual([['abc,def']], '"abc,def"\r\n')
|
|---|
| 565 |
|
|---|
| 566 | def test_read_escape_fieldsep(self):
|
|---|
| 567 | self.readerAssertEqual('"abc\\,def"\r\n', [['abc,def']])
|
|---|
| 568 |
|
|---|
| 569 | class TestDictFields(unittest.TestCase):
|
|---|
| 570 | ### "long" means the row is longer than the number of fieldnames
|
|---|
| 571 | ### "short" means there are fewer elements in the row than fieldnames
|
|---|
| 572 | def test_write_simple_dict(self):
|
|---|
| 573 | fd, name = tempfile.mkstemp()
|
|---|
| 574 | fileobj = os.fdopen(fd, "w+b")
|
|---|
| 575 | try:
|
|---|
| 576 | writer = csv.DictWriter(fileobj, fieldnames = ["f1", "f2", "f3"])
|
|---|
| 577 | writer.writerow({"f1": 10, "f3": "abc"})
|
|---|
| 578 | fileobj.seek(0)
|
|---|
| 579 | self.assertEqual(fileobj.read(), "10,,abc\r\n")
|
|---|
| 580 | finally:
|
|---|
| 581 | fileobj.close()
|
|---|
| 582 | os.unlink(name)
|
|---|
| 583 |
|
|---|
| 584 | def test_write_no_fields(self):
|
|---|
| 585 | fileobj = StringIO()
|
|---|
| 586 | self.assertRaises(TypeError, csv.DictWriter, fileobj)
|
|---|
| 587 |
|
|---|
| 588 | def test_read_dict_fields(self):
|
|---|
| 589 | fd, name = tempfile.mkstemp()
|
|---|
| 590 | fileobj = os.fdopen(fd, "w+b")
|
|---|
| 591 | try:
|
|---|
| 592 | fileobj.write("1,2,abc\r\n")
|
|---|
| 593 | fileobj.seek(0)
|
|---|
| 594 | reader = csv.DictReader(fileobj,
|
|---|
| 595 | fieldnames=["f1", "f2", "f3"])
|
|---|
| 596 | self.assertEqual(reader.next(), {"f1": '1', "f2": '2', "f3": 'abc'})
|
|---|
| 597 | finally:
|
|---|
| 598 | fileobj.close()
|
|---|
| 599 | os.unlink(name)
|
|---|
| 600 |
|
|---|
| 601 | def test_read_dict_no_fieldnames(self):
|
|---|
| 602 | fd, name = tempfile.mkstemp()
|
|---|
| 603 | fileobj = os.fdopen(fd, "w+b")
|
|---|
| 604 | try:
|
|---|
| 605 | fileobj.write("f1,f2,f3\r\n1,2,abc\r\n")
|
|---|
| 606 | fileobj.seek(0)
|
|---|
| 607 | reader = csv.DictReader(fileobj)
|
|---|
| 608 | self.assertEqual(reader.next(), {"f1": '1', "f2": '2', "f3": 'abc'})
|
|---|
| 609 | finally:
|
|---|
| 610 | fileobj.close()
|
|---|
| 611 | os.unlink(name)
|
|---|
| 612 |
|
|---|
| 613 | def test_read_long(self):
|
|---|
| 614 | fd, name = tempfile.mkstemp()
|
|---|
| 615 | fileobj = os.fdopen(fd, "w+b")
|
|---|
| 616 | try:
|
|---|
| 617 | fileobj.write("1,2,abc,4,5,6\r\n")
|
|---|
| 618 | fileobj.seek(0)
|
|---|
| 619 | reader = csv.DictReader(fileobj,
|
|---|
| 620 | fieldnames=["f1", "f2"])
|
|---|
| 621 | self.assertEqual(reader.next(), {"f1": '1', "f2": '2',
|
|---|
| 622 | None: ["abc", "4", "5", "6"]})
|
|---|
| 623 | finally:
|
|---|
| 624 | fileobj.close()
|
|---|
| 625 | os.unlink(name)
|
|---|
| 626 |
|
|---|
| 627 | def test_read_long_with_rest(self):
|
|---|
| 628 | fd, name = tempfile.mkstemp()
|
|---|
| 629 | fileobj = os.fdopen(fd, "w+b")
|
|---|
| 630 | try:
|
|---|
| 631 | fileobj.write("1,2,abc,4,5,6\r\n")
|
|---|
| 632 | fileobj.seek(0)
|
|---|
| 633 | reader = csv.DictReader(fileobj,
|
|---|
| 634 | fieldnames=["f1", "f2"], restkey="_rest")
|
|---|
| 635 | self.assertEqual(reader.next(), {"f1": '1', "f2": '2',
|
|---|
| 636 | "_rest": ["abc", "4", "5", "6"]})
|
|---|
| 637 | finally:
|
|---|
| 638 | fileobj.close()
|
|---|
| 639 | os.unlink(name)
|
|---|
| 640 |
|
|---|
| 641 | def test_read_long_with_rest_no_fieldnames(self):
|
|---|
|
|---|
