disabled
 ƒ    from cStringIO import StringIO

import os
import sys
import unittest


class Test_TestProgram(unittest.TestCase):

    def test_discovery_from_dotted_path(self):
        loader = unittest.TestLoader()

        tests = [self]
        expectedPath = os.path.abspath(os.path.dirname(unittest.test.__file__))

        self.wasRun = False
        def _find_tests(start_dir, pattern):
            self.wasRun = True
            self.assertEqual(start_dir, expectedPath)
            return tests
        loader._find_tests = _find_tests
        suite = loader.discover('unittest.test')
        self.assertTrue(self.wasRun)
        self.assertEqual(suite._tests, tests)

    # Horrible white box test
    def testNoExit(self):
        result = object()
        test = object()

        class FakeRunner(object):
            def run(self, test):
                self.test = test
                return result

        runner = FakeRunner()

        oldParseArgs = unittest.TestProgram.parseArgs
        def restoreParseArgs():
            unittest.TestProgram.parseArgs = oldParseArgs
        unittest.TestProgram.parseArgs = lambda *args: None
        self.addCleanup(restoreParseArgs)

        def removeTest():
            del unittest.TestProgram.test
        unittest.TestProgram.test = test
        self.addCleanup(removeTest)

        program = unittest.TestProgram(testRunner=runner, exit=False, verbosity=2)

        self.assertEqual(program.result, result)
        self.assertEqual(runner.test, test)
        self.assertEqual(program.verbosity, 2)

    class FooBar(unittest.TestCase):
        def testPass(self):
            assert True
        def testFail(self):
            assert False

    class FooBarLoader(unittest.TestLoader):
        """Test loader that returns a suite containing FooBar."""
        def loadTestsFromModule(self, module):
            return self.suiteClass(
                [self.loadTestsFromTestCase(Test_TestProgram.FooBar)])


    def test_NonExit(self):
        program = unittest.main(exit=False,
                                argv=["foobar"],
                                testRunner=unittest.TextTestRunner(stream=StringIO()),
                                testLoader=self.FooBarLoader())
        self.assertTrue(hasattr(program, 'result'))


    def test_Exit(self):
        self.assertRaises(
            SystemExit,
            unittest.main,
            argv=["foobar"],
            testRunner=unittest.TextTestRunner(stream=StringIO()),
            exit=True,
            testLoader=self.FooBarLoader())


    def test_ExitAsDefault(self):
        self.assertRaises(
            SystemExit,
            unittest.main,
            argv=["foobar"],
            testRunner=unittest.TextTestRunner(stream=StringIO()),
            testLoader=self.FooBarLoader())


class InitialisableProgram(unittest.TestProgram):
    exit = False
    result = None
    verbosity = 1
    defaultTest = None
    testRunner = None
    testLoader = unittest.defaultTestLoader
    progName = 'test'
    test = 'test'
    def __init__(self, *args):
        pass

RESULT = object()

class FakeRunner(object):
    initArgs = None
    test = None
    raiseError = False

    def __init__(self, **kwargs):
        FakeRunner.initArgs = kwargs
        if FakeRunner.raiseError:
            FakeRunner.raiseError = False
            raise TypeError

    def run(self, test):
        FakeRunner.test = test
        return RESULT

class TestCommandLineArgs(unittest.TestCase):

    def setUp(self):
        self.program = InitialisableProgram()
        self.program.createTests = lambda: None
        FakeRunner.initArgs = None
        FakeRunner.test = None
        FakeRunner.raiseError = False

    def testHelpAndUnknown(self):
        program = self.program
        def usageExit(msg=None):
            program.msg = msg
            program.exit = True
        program.usageExit = usageExit

        for opt in '-h', '-H', '--help':
            program.exit = False
            program.parseArgs([None, opt])
            self.assertTrue(program.exit)