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import unittest
from hamcrest.library.text.stringstartswith import starts_with
from hamcrest_unit_test.matcher_test import MatcherTest
__author__ = "Jon Reid"
__copyright__ = "Copyright 2011 hamcrest.org"
__license__ = "BSD, see License.txt"
EXCERPT = "EXCERPT"
matcher = starts_with(EXCERPT)
stringstartswith = starts_with(EXCERPT)
class StringStartsWithTest(MatcherTest):
def testEvaluatesToTrueIfArgumentContainsSpecifiedSubstring(self):
self.assert_matches("excerpt at beginning", matcher, EXCERPT + "END")
self.assert_does_not_match("excerpt at end", matcher, "START" + EXCERPT)
self.assert_does_not_match("excerpt in middle", matcher, "START" + EXCERPT + "END")
self.assert_matches("excerpt repeated", matcher, EXCERPT + EXCERPT)
self.assert_does_not_match("excerpt not in string", matcher, "whatever")
self.assert_does_not_match("only part of excerpt", matcher, EXCERPT[1:])
def testEvaluatesToTrueIfArgumentIsEqualToSubstring(self):
self.assert_matches("excerpt is entire string", matcher, EXCERPT)
def testMatcherCreationRequiresString(self):
self.assertRaises(TypeError, starts_with, 3)
def testFailsIfMatchingAgainstNonString(self):
self.assert_does_not_match("non-string", matcher, object())
def testHasAReadableDescription(self):
self.assert_description("a string starting with 'EXCERPT'", matcher)
def testSuccessfulMatchDoesNotGenerateMismatchDescription(self):
self.assert_no_mismatch_description(matcher, EXCERPT)
def testMismatchDescription(self):
self.assert_mismatch_description("was 'bad'", matcher, "bad")
def testDescribeMismatch(self):
self.assert_describe_mismatch("was 'bad'", matcher, "bad")
if __name__ == "__main__":
unittest.main()
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