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import sys
import unittest
from hamcrest.core.core.isinstanceof import instance_of
from hamcrest_unit_test.matcher_test import MatcherTest
if __name__ == "__main__":
sys.path.insert(0, "..")
sys.path.insert(0, "../..")
__author__ = "Jon Reid"
__copyright__ = "Copyright 2011 hamcrest.org"
__license__ = "BSD, see License.txt"
class IsInstanceOfTest(MatcherTest):
def testEvaluatesToTrueIfArgumentIsInstanceOfASpecificClass(self):
self.assert_matches("same class", instance_of(int), 1)
self.assert_does_not_match("different class", instance_of(int), "hi")
self.assert_does_not_match("None", instance_of(int), None)
def testMatcherCreationRequiresType(self):
self.assertRaises(TypeError, instance_of, "not a type")
def testHasAReadableDescription(self):
self.assert_description("an instance of int", instance_of(int))
def testSuccessfulMatchDoesNotGenerateMismatchDescription(self):
self.assert_no_mismatch_description(instance_of(int), 3)
def testMismatchDescriptionShowsActualArgument(self):
self.assert_mismatch_description("was 'bad'", instance_of(int), "bad")
def testDescribeMismatch(self):
self.assert_describe_mismatch("was 'bad'", instance_of(int), "bad")
if __name__ == "__main__":
unittest.main()
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