# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.

"""
Direct unit tests for L{twisted.trial.unittest.SynchronousTestCase} and
L{twisted.trial.unittest.TestCase}.
"""

from __future__ import division, absolute_import

from twisted.trial.unittest import SynchronousTestCase, TestCase


class TestCaseMixin(object):
"""
L{TestCase} tests.
"""
def setUp(self):
"""
Create a couple instances of C{MyTestCase}, each for the same test
method, to be used in the test methods of this class.
"""
self.first = self.MyTestCase('test_1')
self.second = self.MyTestCase('test_1')


def test_equality(self):
"""
In order for one test method to be runnable twice, two TestCase
instances with the same test method name must not compare as equal.
"""
self.assertTrue(self.first == self.first)
self.assertTrue(self.first != self.second)
self.assertFalse(self.first == self.second)


def test_hashability(self):
"""
In order for one test method to be runnable twice, two TestCase
instances with the same test method name should not have the same
hash value.
"""
container = {}
container[self.first] = None
container[self.second] = None
self.assertEqual(len(container), 2)



class SynchronousTestCaseTests(TestCaseMixin, SynchronousTestCase):
class MyTestCase(SynchronousTestCase):
"""
Some test methods which can be used to test behaviors of
L{SynchronousTestCase}.
"""
def test_1(self):
pass



# Yes, subclass SynchronousTestCase again. There are no interesting behaviors
# of self being tested below, only of self.MyTestCase.
class AsynchronousTestCaseTests(TestCaseMixin, SynchronousTestCase):
class MyTestCase(TestCase):
"""
Some test methods which can be used to test behaviors of
L{TestCase}.
"""
def test_1(self):
pass