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# coding: utf-8
"""
Provides test-related code that can be used by all tests.
"""
import os
import examples
DATA_DIR = 'tests/data'
EXAMPLES_DIR = os.path.dirname(examples.__file__)
def get_data_path(file_name):
return os.path.join(DATA_DIR, file_name)
class AssertStringMixin:
"""A unittest.TestCase mixin to check string equality."""
def assertString(self, actual, expected):
"""
Assert that the given strings are equal and have the same type.
"""
# Show both friendly and literal versions.
message = """String mismatch: %%s\
Expected: \"""%s\"""
Actual: \"""%s\"""
Expected: %s
Actual: %s""" % (expected, actual, repr(expected), repr(actual))
self.assertEquals(actual, expected, message % "different characters")
details = "types different: %s != %s" % (repr(type(expected)), repr(type(actual)))
self.assertEquals(type(expected), type(actual), message % details)
class AssertIsMixin:
"""A unittest.TestCase mixin adding assertIs()."""
# unittest.assertIs() is not available until Python 2.7:
# http://docs.python.org/library/unittest.html#unittest.TestCase.assertIsNone
def assertIs(self, first, second):
self.assertTrue(first is second, msg="%s is not %s" % (repr(first), repr(second)))
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