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bzrlib/tests/test_selftest.py
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"""Tests for the test framework."""
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import cStringIO
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import os
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from StringIO import StringIO
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import sys
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                          TestSuite,
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                          TextTestRunner,
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                          )
 
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from bzrlib.tests.test_sftp_transport import TestCaseWithSFTPServer
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from bzrlib.tests.TestUtil import _load_module_by_name
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import bzrlib.errors as errors
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from bzrlib import symbol_versioning
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from bzrlib.symbol_versioning import zero_ten, zero_eleven
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from bzrlib.trace import note
 
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from bzrlib.transport.memory import MemoryServer, MemoryTransport
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from bzrlib.version import _get_bzr_source_tree
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        """Test logs are captured when a test fails."""
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        self.log('a test message')
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        self._log_file.flush()
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        self.assertContainsRe(self._get_log(), 'a test message\n')
 
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        self.assertContainsRe(self._get_log(keep_log_file=True),
 
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                              'a test message\n')
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class TestTreeShape(TestCaseInTempDir):
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        self.assertRaises(AssertionError, self.assertIsDirectory, 'not_here', t)
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class TestTestCaseTransports(TestCaseWithTransport):
 
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    def setUp(self):
 
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        super(TestTestCaseTransports, self).setUp()
 
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        self.transport_server = MemoryServer
 
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    def test_make_bzrdir_preserves_transport(self):
 
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        t = self.get_transport()
 
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        result_bzrdir = self.make_bzrdir('subdir')
 
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        self.assertIsInstance(result_bzrdir.transport, 
 
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                              MemoryTransport)
 
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        # should not be on disk, should only be in memory
 
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        self.failIfExists('subdir')
 
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class TestChrootedTest(ChrootedTestCase):
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    def test_root_is_root(self):
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            revision_id = workingtree.get_parent_ids()[0]
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            self.assertEndsWith(output_string.rstrip(), revision_id)
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    def test_success_log_deleted(self):
 
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        """Successful tests have their log deleted"""
 
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        class LogTester(TestCase):
 
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            def test_success(self):
 
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                self.log('this will be removed\n')
 
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        sio = cStringIO.StringIO()
 
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        runner = TextTestRunner(stream=sio)
 
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        test = LogTester('test_success')
 
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        result = self.run_test_runner(runner, test)
 
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        log = test._get_log()
 
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        self.assertEqual("DELETED log file to reduce memory footprint", log)
 
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        self.assertEqual('', test._log_contents)
 
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        self.assertIs(None, test._log_file_name)
 
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    def test_fail_log_kept(self):
 
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        """Failed tests have their log kept"""
 
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        class LogTester(TestCase):
 
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            def test_fail(self):
 
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                self.log('this will be kept\n')
 
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                self.fail('this test fails')
 
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        sio = cStringIO.StringIO()
 
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        runner = TextTestRunner(stream=sio)
 
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        test = LogTester('test_fail')
 
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        result = self.run_test_runner(runner, test)
 
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        text = sio.getvalue()
 
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        self.assertContainsRe(text, 'this will be kept')
 
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        self.assertContainsRe(text, 'this test fails')
 
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        log = test._get_log()
 
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        self.assertContainsRe(log, 'this will be kept')
 
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        self.assertEqual(log, test._log_contents)
 
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    def test_error_log_kept(self):
 
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        """Tests with errors have their log kept"""
 
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        class LogTester(TestCase):
 
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            def test_error(self):
 
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                self.log('this will be kept\n')
 
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                raise ValueError('random exception raised')
 
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        sio = cStringIO.StringIO()
 
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        runner = TextTestRunner(stream=sio)
 
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        test = LogTester('test_error')
 
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        result = self.run_test_runner(runner, test)
 
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        text = sio.getvalue()
 
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        self.assertContainsRe(text, 'this will be kept')
 
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        self.assertContainsRe(text, 'random exception raised')
 
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        log = test._get_log()
 
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        self.assertContainsRe(log, 'this will be kept')
 
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        self.assertEqual(log, test._log_contents)
 
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class TestTestCase(TestCase):
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    """Tests that test the core bzrlib TestCase."""
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        self.assertIsInstance(bzrlib.bzrdir.BzrDir.open('b')._format,
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                              bzrlib.bzrdir.BzrDirFormat6)
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    def test_make_branch_and_mutable_tree(self):
 
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        # we should be able to get a new branch and a mutable tree from
 
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        # TestCaseWithTransport
 
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        tree = self.make_branch_and_memory_tree('a')
 
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        self.assertIsInstance(tree, bzrlib.memorytree.MemoryTree)
 
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class TestSFTPMakeBranchAndTree(TestCaseWithSFTPServer):
 
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    def test_make_tree_for_sftp_branch(self):
 
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        """Transports backed by local directories create local trees."""
 
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        tree = self.make_branch_and_tree('t1')
 
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        base = tree.bzrdir.root_transport.base
 
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        self.failIf(base.startswith('sftp'),
 
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                'base %r is on sftp but should be local' % base)
 
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        self.assertEquals(tree.bzrdir.root_transport,
 
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                tree.branch.bzrdir.root_transport)
 
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        self.assertEquals(tree.bzrdir.root_transport,
 
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                tree.branch.repository.bzrdir.root_transport)
 
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class TestSelftest(TestCase):
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    """Tests of bzrlib.tests.selftest."""