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import re
import unittest
import pytest
from hamcrest.core.selfdescribing import SelfDescribing
from hamcrest.core.string_description import StringDescription
__author__ = "Jon Reid"
__copyright__ = "Copyright 2011 hamcrest.org"
__license__ = "BSD, see License.txt"
class FakeSelfDescribing(SelfDescribing):
def describe_to(self, description):
description.append_text("DESCRIPTION")
class StringDescriptionTest(unittest.TestCase):
def setUp(self):
self.description = StringDescription()
def testLetsSelfDescribingObjectDescribeItself(self):
self.description.append_description_of(FakeSelfDescribing())
self.assertEqual("DESCRIPTION", str(self.description))
def testDescribesStringInQuotes(self):
self.description.append_description_of("FOO")
self.assertEqual("'FOO'", str(self.description))
def testWrapsNonSelfDescribingObjectInAngleBrackets(self):
self.description.append_description_of(42)
self.assertEqual("<42>", str(self.description))
def testShouldNotAddAngleBracketsIfObjectDescriptionAlreadyHasThem(self):
self.description.append_description_of(object())
expected = re.compile("<object object at 0x[0-9a-fA-F]+>")
self.assertTrue(expected.match(str(self.description)))
def testDescribeUnicodeStringAsUnicode(self):
self.description.append_description_of("\u05d0")
self.assertEqual("'\u05d0'", str(self.description))
# below is a set of things that should append without error to string
# descriptions
@pytest.mark.parametrize("valid_input", (b"bytes", "unicode"))
def test_description_append_valid_input(valid_input):
desc = StringDescription()
desc.append(valid_input)
str(desc)
def test_description_append_invalid_input():
desc = StringDescription()
desc.append(chr(239))
if __name__ == "__main__":
unittest.main()
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