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if __name__ == "__main__":
import sys
sys.path.insert(0, "..")
sys.path.insert(0, "../..")
import unittest
from hamcrest.core.core.isequal import equal_to
from hamcrest.library.number.ordering_comparison import greater_than
from hamcrest.library.object.haslength import has_length
from hamcrest_unit_test.matcher_test import MatcherTest
__author__ = "Jon Reid"
__copyright__ = "Copyright 2011 hamcrest.org"
__license__ = "BSD, see License.txt"
class FakeWithLen(object):
def __init__(self, len):
self.len = len
def __len__(self):
return self.len
def __str__(self):
return "FakeWithLen"
class FakeWithoutLen(object):
def __str__(self):
return "FakeWithoutLen"
class HasLengthTest(MatcherTest):
def testPassesResultOfLenToNestedMatcher(self):
self.assert_matches("equal", has_length(equal_to(42)), FakeWithLen(42))
self.assert_does_not_match("unequal", has_length(equal_to(42)), FakeWithLen(1))
def testProvidesConvenientShortcutForHasLengthEqualTo(self):
self.assert_matches("equal", has_length(42), FakeWithLen(42))
self.assert_does_not_match("unequal", has_length(42), FakeWithLen(1))
def testDoesNotMatchObjectWithoutLen(self):
self.assert_does_not_match("no length", has_length(42), object())
def testHasReadableDescription(self):
self.assert_description(
"an object with length of a value greater than <5>", has_length(greater_than(5))
)
def testSuccessfulMatchDoesNotGenerateMismatchDescription(self):
self.assert_no_mismatch_description(has_length(3), "foo")
def testMismatchDescriptionForItemWithWrongLength(self):
self.assert_mismatch_description(
"was <FakeWithLen> with length of <4>", has_length(3), FakeWithLen(4)
)
def testMismatchDescriptionForItemWithoutLength(self):
self.assert_mismatch_description("was <FakeWithoutLen>", has_length(3), FakeWithoutLen())
def testDescribeMismatchForItemWithWrongLength(self):
self.assert_describe_mismatch(
"was <FakeWithLen> with length of <4>", has_length(3), FakeWithLen(4)
)
def testDescribeMismatchForItemWithoutLength(self):
self.assert_describe_mismatch("was <FakeWithoutLen>", has_length(3), FakeWithoutLen())
if __name__ == "__main__":
unittest.main()
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