def assertItemsEqual(self, expected_seq, actual_seq, msg=None):
"""An unordered sequence specific comparison. It asserts that
expected_seq and actual_seq contain the same elements. It is
the equivalent of::
self.assertEqual(sorted(expected_seq), sorted(actual_seq))
Raises with an error message listing which elements of expected_seq
are missing from actual_seq and vice versa if any.
Asserts that each element has the same count in both sequences.
Example:
- [0, 1, 1] and [1, 0, 1] compare equal.
- [0, 0, 1] and [0, 1] compare unequal.
"""
try:
expected = sorted(expected_seq)
actual = sorted(actual_seq)
except TypeError:
# Unsortable items (example: set(), complex(), ...)
expected = list(expected_seq)
actual = list(actual_seq)
missing, unexpected = unorderable_list_difference(expected, actual, ignore_duplicate=False)
else:
return self.assertSequenceEqual(expected, actual, msg=msg)
errors = []
if missing:
errors.append("Expected, but missing:\n %s" % safe_repr(missing))
if unexpected:
errors.append("Unexpected, but present:\n %s" % safe_repr(unexpected))
if errors:
standardMsg = "\n".join(errors)
self.fail(self._formatMessage(msg, standardMsg))
def assertNotAlmostEqual(self, first, second, places=None, msg=None, delta=None):
"""Fail if the two objects are equal as determined by their
difference rounded to the given number of decimal places
(default 7) and comparing to zero, or by comparing that the
between the two objects is less than the given delta.
Note that decimal places (from zero) are usually not the same
as significant digits (measured from the most signficant digit).
Objects that are equal automatically fail.
"""
if delta is not None and places is not None:
raise TypeError("specify delta or places not both")
if delta is not None:
if not (first == second) and abs(first - second) > delta:
return
standardMsg = "%s == %s within %s delta" % (safe_repr(first), safe_repr(second), safe_repr(delta))
else:
if places is None:
places = 7
if not (first == second) and round(abs(second - first), places) != 0:
return
standardMsg = "%s == %s within %r places" % (safe_repr(first), safe_repr(second), places)
msg = self._formatMessage(msg, standardMsg)
raise self.failureException(msg)
def assertDictContainsSubset(self, expected, actual, msg=None):
"""Checks whether actual is a superset of expected."""
missing = []
mismatched = []
for key, value in expected.iteritems():
if key not in actual:
missing.append(key)
elif value != actual[key]:
mismatched.append('%s, expected: %s, actual: %s' %
(safe_repr(key), safe_repr(value),
safe_repr(actual[key])))
if not (missing or mismatched):
return
standardMsg = ''
if missing:
standardMsg = 'Missing: %s' % ','.join(safe_repr(m) for m in
missing)
if mismatched:
if standardMsg:
standardMsg += '; '
standardMsg += 'Mismatched values: %s' % ','.join(mismatched)
self.fail(self._formatMessage(msg, standardMsg))
def assertNotEqual(self, first, second, msg=None):
"""Fail if the two objects are equal as determined by the '=='
operator.
"""
if not first != second:
msg = self._formatMessage(msg, "%s == %s" % (safe_repr(first), safe_repr(second)))
raise self.failureException(msg)
def assertNotAlmostEqual(self,
first,
second,
places=None,
msg=None,
delta=None):
"""Fail if the two objects are equal as determined by their
difference rounded to the given number of decimal places
(default 7) and comparing to zero, or by comparing that the
between the two objects is less than the given delta.
Note that decimal places (from zero) are usually not the same
as significant digits (measured from the most signficant digit).
Objects that are equal automatically fail.
"""
if delta is not None and places is not None:
raise TypeError("specify delta or places not both")
if delta is not None:
if not (first == second) and abs(first - second) > delta:
return
standardMsg = '%s == %s within %s delta' % (
safe_repr(first), safe_repr(second), safe_repr(delta))
else:
if places is None:
places = 7
if not (first
== second) and round(abs(second - first), places) != 0:
return
standardMsg = '%s == %s within %r places' % (
safe_repr(first), safe_repr(second), places)
msg = self._formatMessage(msg, standardMsg)
raise self.failureException(msg)
def assertDictContainsSubset(self, expected, actual, msg=None):
"""Checks whether actual is a superset of expected."""
missing = []
mismatched = []
for key, value in expected.iteritems():
if key not in actual:
missing.append(key)
else:
try:
are_equal = (value == actual[key])
except UnicodeDecodeError:
are_equal = False
if not are_equal:
mismatched.append('%s, expected: %s, actual: %s' %
(safe_repr(key), safe_repr(value),
safe_repr(actual[key])))
if not (missing or mismatched):
return
standardMsg = ''
if missing:
standardMsg = 'Missing: %s' % ','.join(
[safe_repr(m) for m in missing])
if mismatched:
if standardMsg:
standardMsg += '; '
standardMsg += 'Mismatched values: %s' % ','.join(mismatched)
self.fail(self._formatMessage(msg, standardMsg))
def assertHTMLNotEqual(self, html1, html2, msg=None):
"""Asserts that two HTML snippets are not semantically equivalent."""
dom1 = assert_and_parse_html(self, html1, msg, u"First argument is not valid HTML:")
dom2 = assert_and_parse_html(self, html2, msg, u"Second argument is not valid HTML:")
if dom1 == dom2:
standardMsg = "%s == %s" % (safe_repr(dom1, True), safe_repr(dom2, True))
self.fail(self._formatMessage(msg, standardMsg))
def assertNotEqual(self, first, second, msg=None):
"""Fail if the two objects are equal as determined by the '=='
operator.
"""
if not first != second:
msg = self._formatMessage(
msg, '%s == %s' % (safe_repr(first), safe_repr(second)))
raise self.failureException(msg)
def assertDictEqual(self, d1, d2, msg=None):
self.assertTrue(isinstance(d1, dict), "First argument is not a dictionary")
self.assertTrue(isinstance(d2, dict), "Second argument is not a dictionary")
if d1 != d2:
standardMsg = "%s != %s" % (safe_repr(d1, True), safe_repr(d2, True))
diff = "\n" + "\n".join(difflib.ndiff(pprint.pformat(d1).splitlines(), pprint.pformat(d2).splitlines()))
standardMsg = self._truncateMessage(standardMsg, diff)
self.fail(self._formatMessage(msg, standardMsg))
def assertMultiLineEqual(self, first, second, msg=None):
"""Assert that two multi-line strings are equal."""
self.assertTrue(isinstance(first, basestring), ("First argument is not a string"))
self.assertTrue(isinstance(second, basestring), ("Second argument is not a string"))
if first != second:
standardMsg = "%s != %s" % (safe_repr(first, True), safe_repr(second, True))
diff = "\n" + "".join(difflib.ndiff(first.splitlines(True), second.splitlines(True)))
standardMsg = self._truncateMessage(standardMsg, diff)
self.fail(self._formatMessage(msg, standardMsg))
def assertDictEqual(self, d1, d2, msg=None):
self.assertTrue(isinstance(d1, dict), 'First argument is not a dictionary')
self.assertTrue(isinstance(d2, dict), 'Second argument is not a dictionary')
if d1 != d2:
standardMsg = '%s != %s' % (safe_repr(d1, True), safe_repr(d2, True))
diff = ('\n' + '\n'.join(difflib.ndiff(
pprint.pformat(d1).splitlines(),
pprint.pformat(d2).splitlines())))
standardMsg = self._truncateMessage(standardMsg, diff)
self.fail(self._formatMessage(msg, standardMsg))
def assertHTMLNotEqual(self, html1, html2, msg=None):
"""Asserts that two HTML snippets are not semantically equivalent."""
dom1 = assert_and_parse_html(self, html1, msg,
u'First argument is not valid HTML:')
dom2 = assert_and_parse_html(self, html2, msg,
u'Second argument is not valid HTML:')
if dom1 == dom2:
standardMsg = '%s == %s' % (
safe_repr(dom1, True), safe_repr(dom2, True))
self.fail(self._formatMessage(msg, standardMsg))
def assertMultiLineEqual(self, first, second, msg=None):
"""Assert that two multi-line strings are equal."""
self.assertTrue(isinstance(first, basestring), (
'First argument is not a string'))
self.assertTrue(isinstance(second, basestring), (
'Second argument is not a string'))
if first != second:
standardMsg = '%s != %s' % (safe_repr(first, True), safe_repr(second, True))
diff = '\n' + ''.join(difflib.ndiff(first.splitlines(True),
second.splitlines(True)))
standardMsg = self._truncateMessage(standardMsg, diff)
self.fail(self._formatMessage(msg, standardMsg))
def assertHTMLEqual(self, html1, html2, msg=None):
"""
Asserts that two HTML snippets are semantically the same.
Whitespace in most cases is ignored, and attribute ordering is not
significant. The passed-in arguments must be valid HTML.
"""
dom1 = assert_and_parse_html(self, html1, msg, u"First argument is not valid HTML:")
dom2 = assert_and_parse_html(self, html2, msg, u"Second argument is not valid HTML:")
if dom1 != dom2:
standardMsg = "%s != %s" % (safe_repr(dom1, True), safe_repr(dom2, True))
diff = "\n" + "\n".join(difflib.ndiff(unicode(dom1).splitlines(), unicode(dom2).splitlines()))
standardMsg = self._truncateMessage(standardMsg, diff)
self.fail(self._formatMessage(msg, standardMsg))
def assertXMLNotEqual(self, xml1, xml2, msg=None):
"""
Asserts that two XML snippets are not semantically equivalent.
Whitespace in most cases is ignored, and attribute ordering is not
significant. The passed-in arguments must be valid XML.
"""
try:
result = compare_xml(xml1, xml2)
except Exception as e:
standardMsg = 'First or second argument is not valid XML\n%s' % e
self.fail(self._formatMessage(msg, standardMsg))
else:
if result:
standardMsg = '%s == %s' % (safe_repr(xml1, True), safe_repr(xml2, True))
self.fail(self._formatMessage(msg, standardMsg))
def assertXMLNotEqual(self, xml1, xml2, msg=None):
"""
Asserts that two XML snippets are not semantically equivalent.
Whitespace in most cases is ignored, and attribute ordering is not
significant. The passed-in arguments must be valid XML.
"""
try:
result = compare_xml(xml1, xml2)
except Exception as e:
standardMsg = 'First or second argument is not valid XML\n%s' % e
self.fail(self._formatMessage(msg, standardMsg))
else:
if result:
standardMsg = '%s == %s' % (safe_repr(xml1, True), safe_repr(xml2, True))
self.fail(self._formatMessage(msg, standardMsg))
def assertHTMLEqual(self, html1, html2, msg=None):
"""
Asserts that two html snippets are semantically the same, e.g. whitespace
in most cases is ignored, attribute ordering is not significant. The
passed in arguments must be valid HTML.
"""
dom1 = self._assert_and_parse_html(html1, msg,
u'First argument is no valid html:')
dom2 = self._assert_and_parse_html(html2, msg,
u'Second argument is no valid html:')
if dom1 != dom2:
standardMsg = '%s != %s' % (safe_repr(dom1, True), safe_repr(dom2, True))
diff = ('\n' + '\n'.join(difflib.ndiff(
unicode(dom1).splitlines(),
unicode(dom2).splitlines())))
standardMsg = self._truncateMessage(standardMsg, diff)
self.fail(self._formatMessage(msg, standardMsg))
def assertHTMLEqual(self, html1, html2, msg=None):
"""
Asserts that two HTML snippets are semantically the same.
Whitespace in most cases is ignored, and attribute ordering is not
significant. The passed-in arguments must be valid HTML.
"""
dom1 = assert_and_parse_html(self, html1, msg,
u'First argument is not valid HTML:')
dom2 = assert_and_parse_html(self, html2, msg,
u'Second argument is not valid HTML:')
if dom1 != dom2:
standardMsg = '%s != %s' % (
safe_repr(dom1, True), safe_repr(dom2, True))
diff = ('\n' + '\n'.join(difflib.ndiff(
unicode(dom1).splitlines(),
unicode(dom2).splitlines())))
standardMsg = self._truncateMessage(standardMsg, diff)
self.fail(self._formatMessage(msg, standardMsg))
def assertItemsEqual(self, expected_seq, actual_seq, msg=None):
"""An unordered sequence specific comparison. It asserts that
expected_seq and actual_seq contain the same elements. It is
the equivalent of::
self.assertEqual(sorted(expected_seq), sorted(actual_seq))
Raises with an error message listing which elements of expected_seq
are missing from actual_seq and vice versa if any.
Asserts that each element has the same count in both sequences.
Example:
- [0, 1, 1] and [1, 0, 1] compare equal.
- [0, 0, 1] and [0, 1] compare unequal.
"""
try:
expected = expected_seq[:]
expected.sort()
actual = actual_seq[:]
actual.sort()
except (TypeError, AttributeError):
# Unsortable items (example: set(), complex(), ...)
expected = list(expected_seq)
actual = list(actual_seq)
missing, unexpected = unorderable_list_difference(
expected, actual, ignore_duplicate=False)
else:
return self.assertSequenceEqual(expected, actual, msg=msg)
errors = []
if missing:
errors.append('Expected, but missing:\n %s' %
safe_repr(missing))
if unexpected:
errors.append('Unexpected, but present:\n %s' %
safe_repr(unexpected))
if errors:
standardMsg = '\n'.join(errors)
self.fail(self._formatMessage(msg, standardMsg))
def assertFalse(self, expr, msg=None):
"Fail the test if the expression is true."
if expr:
msg = self._formatMessage(msg, "%s is not False" % safe_repr(expr))
raise self.failureException(msg)
def assertLessEqual(self, a, b, msg=None):
"""Just like self.assertTrue(a <= b), but with a nicer default message."""
if not a <= b:
standardMsg = '%s not less than or equal to %s' % (safe_repr(a), safe_repr(b))
self.fail(self._formatMessage(msg, standardMsg))
def assertTrue(self, expr, msg=None):
"""Fail the test unless the expression is true."""
if not expr:
msg = self._formatMessage(msg, "%s is not True" % safe_repr(expr))
raise self.failureException(msg)
def _baseAssertEqual(self, first, second, msg=None):
"""The default assertEqual implementation, not type specific."""
if not first == second:
standardMsg = '%s != %s' % (safe_repr(first), safe_repr(second))
msg = self._formatMessage(msg, standardMsg)
raise self.failureException(msg)
def assertGreaterEqual(self, a, b, msg=None):
"""Just like self.assertTrue(a >= b), but with a nicer default message."""
if not a >= b:
standardMsg = "%s not greater than or equal to %s" % (safe_repr(a), safe_repr(b))
self.fail(self._formatMessage(msg, standardMsg))
def assertIs(self, expr1, expr2, msg=None):
"""Just like self.assertTrue(a is b), but with a nicer default message."""
if expr1 is not expr2:
standardMsg = "%s is not %s" % (safe_repr(expr1), safe_repr(expr2))
self.fail(self._formatMessage(msg, standardMsg))
def assertIn(self, member, container, msg=None):
"""Just like self.assertTrue(a in b), but with a nicer default message."""
if member not in container:
standardMsg = '%s not found in %s' % (safe_repr(member),
safe_repr(container))
self.fail(self._formatMessage(msg, standardMsg))
def assertIs(self, expr1, expr2, msg=None):
"""Just like self.assertTrue(a is b), but with a nicer default message."""
if expr1 is not expr2:
standardMsg = '%s is not %s' % (safe_repr(expr1), safe_repr(expr2))
self.fail(self._formatMessage(msg, standardMsg))
def _baseAssertEqual(self, first, second, msg=None):
"""The default assertEqual implementation, not type specific."""
if not first == second:
standardMsg = "%s != %s" % (safe_repr(first), safe_repr(second))
msg = self._formatMessage(msg, standardMsg)
raise self.failureException(msg)
def assertTrue(self, expr, msg=None):
"""Fail the test unless the expression is true."""
if not expr:
msg = self._formatMessage(msg, "%s is not True" % safe_repr(expr))
raise self.failureException(msg)
def assertNotIn(self, member, container, msg=None):
"""Just like self.assertTrue(a not in b), but with a nicer default message."""
if member in container:
standardMsg = "%s unexpectedly found in %s" % (safe_repr(member), safe_repr(container))
self.fail(self._formatMessage(msg, standardMsg))
def assertSequenceEqual(self, seq1, seq2, msg=None, seq_type=None, max_diff=80 * 8):
"""An equality assertion for ordered sequences (like lists and tuples).
For the purposes of this function, a valid ordered sequence type is one
which can be indexed, has a length, and has an equality operator.
Args:
seq1: The first sequence to compare.
seq2: The second sequence to compare.
seq_type: The expected datatype of the sequences, or None if no
datatype should be enforced.
msg: Optional message to use on failure instead of a list of
differences.
max_diff: Maximum size off the diff, larger diffs are not shown
"""
if seq_type is not None:
seq_type_name = seq_type.__name__
if not isinstance(seq1, seq_type):
raise self.failureException("First sequence is not a %s: %s" % (seq_type_name, safe_repr(seq1)))
if not isinstance(seq2, seq_type):
raise self.failureException("Second sequence is not a %s: %s" % (seq_type_name, safe_repr(seq2)))
else:
seq_type_name = "sequence"
differing = None
try:
len1 = len(seq1)
except (TypeError, NotImplementedError):
differing = "First %s has no length. Non-sequence?" % (seq_type_name)
if differing is None:
try:
len2 = len(seq2)
except (TypeError, NotImplementedError):
differing = "Second %s has no length. Non-sequence?" % (seq_type_name)
if differing is None:
if seq1 == seq2:
return
seq1_repr = repr(seq1)
seq2_repr = repr(seq2)
if len(seq1_repr) > 30:
seq1_repr = seq1_repr[:30] + "..."
if len(seq2_repr) > 30:
seq2_repr = seq2_repr[:30] + "..."
elements = (seq_type_name.capitalize(), seq1_repr, seq2_repr)
differing = "%ss differ: %s != %s\n" % elements
for i in xrange(min(len1, len2)):
try:
item1 = seq1[i]
except (TypeError, IndexError, NotImplementedError):
differing += "\nUnable to index element %d of first %s\n" % (i, seq_type_name)
break
try:
item2 = seq2[i]
except (TypeError, IndexError, NotImplementedError):
differing += "\nUnable to index element %d of second %s\n" % (i, seq_type_name)
break
if item1 != item2:
differing += "\nFirst differing element %d:\n%s\n%s\n" % (i, item1, item2)
break
else:
if len1 == len2 and seq_type is None and type(seq1) != type(seq2):
# The sequences are the same, but have differing types.
return
if len1 > len2:
differing += "\nFirst %s contains %d additional " "elements.\n" % (seq_type_name, len1 - len2)
try:
differing += "First extra element %d:\n%s\n" % (len2, seq1[len2])
except (TypeError, IndexError, NotImplementedError):
differing += "Unable to index element %d " "of first %s\n" % (len2, seq_type_name)
elif len1 < len2:
differing += "\nSecond %s contains %d additional " "elements.\n" % (seq_type_name, len2 - len1)
try:
differing += "First extra element %d:\n%s\n" % (len1, seq2[len1])
except (TypeError, IndexError, NotImplementedError):
differing += "Unable to index element %d " "of second %s\n" % (len1, seq_type_name)
standardMsg = differing
diffMsg = "\n" + "\n".join(difflib.ndiff(pprint.pformat(seq1).splitlines(), pprint.pformat(seq2).splitlines()))
standardMsg = self._truncateMessage(standardMsg, diffMsg)
msg = self._formatMessage(msg, standardMsg)
self.fail(msg)
def assertIsNone(self, obj, msg=None):
"""Same as self.assertTrue(obj is None), with a nicer default message."""
if obj is not None:
standardMsg = "%s is not None" % (safe_repr(obj),)
self.fail(self._formatMessage(msg, standardMsg))
def assertSequenceEqual(self,
seq1,
seq2,
msg=None,
seq_type=None,
max_diff=80 * 8):
"""An equality assertion for ordered sequences (like lists and tuples).
For the purposes of this function, a valid ordered sequence type is one
which can be indexed, has a length, and has an equality operator.
Args:
seq1: The first sequence to compare.
seq2: The second sequence to compare.
seq_type: The expected datatype of the sequences, or None if no
datatype should be enforced.
msg: Optional message to use on failure instead of a list of
differences.
max_diff: Maximum size off the diff, larger diffs are not shown
"""
if seq_type is not None:
seq_type_name = seq_type.__name__
if not isinstance(seq1, seq_type):
raise self.failureException('First sequence is not a %s: %s' %
(seq_type_name, safe_repr(seq1)))
if not isinstance(seq2, seq_type):
raise self.failureException('Second sequence is not a %s: %s' %
(seq_type_name, safe_repr(seq2)))
else:
seq_type_name = "sequence"
differing = None
try:
len1 = len(seq1)
except (TypeError, NotImplementedError):
differing = 'First %s has no length. Non-sequence?' % (
seq_type_name)
if differing is None:
try:
len2 = len(seq2)
except (TypeError, NotImplementedError):
differing = 'Second %s has no length. Non-sequence?' % (
seq_type_name)
if differing is None:
if seq1 == seq2:
return
seq1_repr = repr(seq1)
seq2_repr = repr(seq2)
if len(seq1_repr) > 30:
seq1_repr = seq1_repr[:30] + '...'
if len(seq2_repr) > 30:
seq2_repr = seq2_repr[:30] + '...'
elements = (seq_type_name.capitalize(), seq1_repr, seq2_repr)
differing = '%ss differ: %s != %s\n' % elements
for i in xrange(min(len1, len2)):
try:
item1 = seq1[i]
except (TypeError, IndexError, NotImplementedError):
differing += (
'\nUnable to index element %d of first %s\n' %
(i, seq_type_name))
break
try:
item2 = seq2[i]
except (TypeError, IndexError, NotImplementedError):
differing += (
'\nUnable to index element %d of second %s\n' %
(i, seq_type_name))
break
if item1 != item2:
differing += ('\nFirst differing element %d:\n%s\n%s\n' %
(i, item1, item2))
break
else:
if (len1 == len2 and seq_type is None
and type(seq1) != type(seq2)):
# The sequences are the same, but have differing types.
return
if len1 > len2:
differing += ('\nFirst %s contains %d additional '
'elements.\n' % (seq_type_name, len1 - len2))
try:
differing += ('First extra element %d:\n%s\n' %
(len2, seq1[len2]))
except (TypeError, IndexError, NotImplementedError):
differing += ('Unable to index element %d '
'of first %s\n' % (len2, seq_type_name))
elif len1 < len2:
differing += ('\nSecond %s contains %d additional '
'elements.\n' % (seq_type_name, len2 - len1))
try:
differing += ('First extra element %d:\n%s\n' %
(len1, seq2[len1]))
except (TypeError, IndexError, NotImplementedError):
differing += ('Unable to index element %d '
'of second %s\n' % (len1, seq_type_name))
standardMsg = differing
diffMsg = '\n' + '\n'.join(
difflib.ndiff(
pprint.pformat(seq1).splitlines(),
pprint.pformat(seq2).splitlines()))
standardMsg = self._truncateMessage(standardMsg, diffMsg)
msg = self._formatMessage(msg, standardMsg)
self.fail(msg)
def assertLess(self, a, b, msg=None):
"""Just like self.assertTrue(a < b), but with a nicer default message."""
if not a < b:
standardMsg = '%s not less than %s' % (safe_repr(a), safe_repr(b))
self.fail(self._formatMessage(msg, standardMsg))
def assertNotIn(self, member, container, msg=None):
"""Just like self.assertTrue(a not in b), but with a nicer default message."""
if member in container:
standardMsg = '%s unexpectedly found in %s' % (
safe_repr(member), safe_repr(container))
self.fail(self._formatMessage(msg, standardMsg))
def assertIsNone(self, obj, msg=None):
"""Same as self.assertTrue(obj is None), with a nicer default message."""
if obj is not None:
standardMsg = '%s is not None' % (safe_repr(obj), )
self.fail(self._formatMessage(msg, standardMsg))
def assertIsNot(self, expr1, expr2, msg=None):
"""Just like self.assertTrue(a is not b), but with a nicer default message."""
if expr1 is expr2:
standardMsg = 'unexpectedly identical: %s' % (safe_repr(expr1), )
self.fail(self._formatMessage(msg, standardMsg))
def assertLess(self, a, b, msg=None):
"""Just like self.assertTrue(a < b), but with a nicer default message."""
if not a < b:
standardMsg = "%s not less than %s" % (safe_repr(a), safe_repr(b))
self.fail(self._formatMessage(msg, standardMsg))
def assertIsInstance(self, obj, cls, msg=None):
"""Same as self.assertTrue(isinstance(obj, cls)), with a nicer
default message."""
if not isinstance(obj, cls):
standardMsg = '%s is not an instance of %r' % (safe_repr(obj), cls)
self.fail(self._formatMessage(msg, standardMsg))
def assertNotIsInstance(self, obj, cls, msg=None):
"""Included for symmetry with assertIsInstance."""
if isinstance(obj, cls):
standardMsg = '%s is an instance of %r' % (safe_repr(obj), cls)
self.fail(self._formatMessage(msg, standardMsg))
def assertGreaterEqual(self, a, b, msg=None):
"""Just like self.assertTrue(a >= b), but with a nicer default message."""
if not a >= b:
standardMsg = '%s not greater than or equal to %s' % (safe_repr(a),
safe_repr(b))
self.fail(self._formatMessage(msg, standardMsg))
def assertFalse(self, expr, msg=None):
"Fail the test if the expression is true."
if expr:
msg = self._formatMessage(msg, "%s is not False" % safe_repr(expr))
raise self.failureException(msg)
def assertIsInstance(self, obj, cls, msg=None):
"""Same as self.assertTrue(isinstance(obj, cls)), with a nicer
default message."""
if not isinstance(obj, cls):
standardMsg = "%s is not an instance of %r" % (safe_repr(obj), cls)
self.fail(self._formatMessage(msg, standardMsg))
def assertIsNot(self, expr1, expr2, msg=None):
"""Just like self.assertTrue(a is not b), but with a nicer default message."""
if expr1 is expr2:
standardMsg = "unexpectedly identical: %s" % (safe_repr(expr1),)
self.fail(self._formatMessage(msg, standardMsg))
def assertNotIsInstance(self, obj, cls, msg=None):
"""Included for symmetry with assertIsInstance."""
if isinstance(obj, cls):
standardMsg = "%s is an instance of %r" % (safe_repr(obj), cls)
self.fail(self._formatMessage(msg, standardMsg))
def assert_equal_line_by_line(test_case, expected_text, text, msg = None):
"""
Asserts that text equals expected_text. Compares expected_text to text line-by-line for better output. Convenient for long texts.
:param test_case: TestCase-like object which has assertTrue and assertEqual methods
:param expected_text: expected value
:type expected_text: str
:param text: actual value
:type text: str
:param msg: optional message to append to the output of error
:type msg: str
"""
msg = msg and "\n%s" % msg or ""
expected_lines = expected_text.splitlines(True)
text_lines = text.splitlines(True)
expected_lines_count = len(expected_lines)
lines_error = ""
if expected_lines_count != len(text_lines):
lines_error = "Expected number of lines: %s, but was: %s" % (expected_lines_count, len(text_lines))
for i in range(min(expected_lines_count, len(text_lines))):
actual_line = text_lines[i]
expected_line = expected_lines[i]
test_case.assertEqual(expected_line, actual_line, "\nLine %s.\nExpected: %s\nActual: %s\n%s%s" % (i, safe_repr(expected_line), safe_repr(actual_line), lines_error, msg))
