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- rules for using destructors

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bzrlib/tests/blackbox/test_selftest.py
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# Copyright (C) 2005 by Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as published by
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# the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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"""UI tests for the test framework."""
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import bzrlib
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from bzrlib.errors import ParamikoNotPresent
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from bzrlib.tests import (
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                          TestCase,
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                          TestCaseInTempDir,
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                          TestSkipped,
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                          )
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from bzrlib.tests.blackbox import ExternalBase
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class TestOptions(TestCase):
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    current_test = None
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    def test_transport_set_to_sftp(self):
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        # test the --transport option has taken effect from within the
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        # test_transport test
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        try:
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            import bzrlib.transport.sftp
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        except ParamikoNotPresent:
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            raise TestSkipped("Paramiko not present")
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        if TestOptions.current_test != "test_transport_set_to_sftp":
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            return
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        self.assertEqual(bzrlib.transport.sftp.SFTPAbsoluteServer,
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                         bzrlib.tests.default_transport)
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    def test_transport_set_to_memory(self):
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        # test the --transport option has taken effect from within the
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        # test_transport test
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        import bzrlib.transport.memory
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        if TestOptions.current_test != "test_transport_set_to_memory":
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            return
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        self.assertEqual(bzrlib.transport.memory.MemoryServer,
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                         bzrlib.tests.default_transport)
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    def test_transport(self):
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        # test that --transport=sftp works
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        try:
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            import bzrlib.transport.sftp
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        except ParamikoNotPresent:
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            raise TestSkipped("Paramiko not present")
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        old_transport = bzrlib.tests.default_transport
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        old_root = TestCaseInTempDir.TEST_ROOT
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        TestCaseInTempDir.TEST_ROOT = None
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        try:
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            TestOptions.current_test = "test_transport_set_to_sftp"
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            stdout = self.capture('selftest --transport=sftp test_transport_set_to_sftp')
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            self.assertContainsRe(stdout, 'Ran 1 test')
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            self.assertEqual(old_transport, bzrlib.tests.default_transport)
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            TestOptions.current_test = "test_transport_set_to_memory"
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            stdout = self.capture('selftest --transport=memory test_transport_set_to_memory')
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            self.assertContainsRe(stdout, 'Ran 1 test')
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            self.assertEqual(old_transport, bzrlib.tests.default_transport)
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        finally:
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            bzrlib.tests.default_transport = old_transport
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            TestOptions.current_test = None
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            TestCaseInTempDir.TEST_ROOT = old_root
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class TestRunBzr(ExternalBase):
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    def run_bzr_captured(self, argv, retcode=0, stdin=None):
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        self.stdin = stdin
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    def test_stdin(self):
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        # test that the stdin keyword to run_bzr is passed through to
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        # run_bzr_captured as-is. We do this by overriding
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        # run_bzr_captured in this class, and then calling run_bzr,
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        # which is a convenience function for run_bzr_captured, so 
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        # should invoke it.
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        self.run_bzr('foo', 'bar', stdin='gam')
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        self.assertEqual('gam', self.stdin)
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        self.run_bzr('foo', 'bar', stdin='zippy')
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        self.assertEqual('zippy', self.stdin)
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class TestRunBzrCaptured(ExternalBase):
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    def apply_redirected(self, stdin=None, stdout=None, stderr=None,
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                         a_callable=None, *args, **kwargs):
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        self.stdin = stdin
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        self.factory_stdin = getattr(bzrlib.ui.ui_factory, "stdin", None)
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        return 0
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    def test_stdin(self):
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        # test that the stdin keyword to run_bzr_captured is passed through to
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        # apply_redirected as a StringIO. We do this by overriding
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        # apply_redirected in this class, and then calling run_bzr_captured,
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        # which calls apply_redirected. 
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        self.run_bzr_captured(['foo', 'bar'], stdin='gam')
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        self.assertEqual('gam', self.stdin.read())
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        self.assertTrue(self.stdin is self.factory_stdin)
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        self.run_bzr_captured(['foo', 'bar'], stdin='zippy')
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        self.assertEqual('zippy', self.stdin.read())
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        self.assertTrue(self.stdin is self.factory_stdin)