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bzrlib/tests/blackbox/test_selftest.py
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# Copyright (C) 2006-2010 Canonical Ltd
 
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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 as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
 
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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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#
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
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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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from bzrlib import (
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    tests,
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    )
 
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import bzrlib
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from bzrlib.tests import (
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    features,
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    )
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from bzrlib.transport import memory
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class SelfTestPatch:
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    def get_params_passed_to_core(self, cmdline):
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        params = []
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        def selftest(*args, **kwargs):
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            """Capture the arguments selftest was run with."""
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            params.append((args, kwargs))
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            return True
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        # Yes this prevents using threads to run the test suite in parallel,
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        # however we don't have a clean dependency injector for commands, 
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        # and even if we did - we'd still be testing that the glue is wired
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        # up correctly. XXX: TODO: Solve this testing problem.
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        original_selftest = tests.selftest
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        tests.selftest = selftest
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        try:
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            self.run_bzr(cmdline)
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            return params[0]
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        finally:
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            tests.selftest = original_selftest
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class TestOptions(tests.TestCase, SelfTestPatch):
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    def test_load_list(self):
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        params = self.get_params_passed_to_core('selftest --load-list foo')
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        self.assertEqual('foo', params[1]['load_list'])
 
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                          TestCase,
 
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                          TestCaseInTempDir,
 
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                          TestSkipped,
 
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                          )
 
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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 that we can pass a transport to the selftest core - sftp
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        # version.
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        self.requireFeature(features.paramiko)
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        from bzrlib.tests import stub_sftp
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        params = self.get_params_passed_to_core('selftest --transport=sftp')
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        self.assertEqual(stub_sftp.SFTPAbsoluteServer,
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            params[1]["transport"])
 
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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.sftp
 
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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 that we can pass a transport to the selftest core - memory
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        # version.
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        params = self.get_params_passed_to_core('selftest --transport=memory')
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        self.assertEqual(memory.MemoryServer, params[1]["transport"])
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    def test_parameters_passed_to_core(self):
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        params = self.get_params_passed_to_core('selftest --list-only')
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        self.assertTrue("list_only" in params[1])
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        params = self.get_params_passed_to_core('selftest --list-only selftest')
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        self.assertTrue("list_only" in params[1])
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        params = self.get_params_passed_to_core(['selftest', '--list-only',
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            '--exclude', 'selftest'])
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        self.assertTrue("list_only" in params[1])
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        params = self.get_params_passed_to_core(['selftest', '--list-only',
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            'selftest', '--randomize', 'now'])
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        self.assertSubset(["list_only", "random_seed"], params[1])
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    def test_starting_with(self):
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        params = self.get_params_passed_to_core('selftest --starting-with foo')
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        self.assertEqual(['foo'], params[1]['starting_with'])
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    def test_starting_with_multiple_argument(self):
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        params = self.get_params_passed_to_core(
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            'selftest --starting-with foo --starting-with bar')
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        self.assertEqual(['foo', 'bar'], params[1]['starting_with'])
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    def test_subunit(self):
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        self.requireFeature(features.subunit)
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        params = self.get_params_passed_to_core('selftest --subunit')
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        self.assertEqual(tests.SubUnitBzrRunner, params[1]['runner_class'])
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    def _parse_test_list(self, lines, newlines_in_header=0):
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        "Parse a list of lines into a tuple of 3 lists (header,body,footer)."
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        in_header = newlines_in_header != 0
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        in_footer = False
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        header = []
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        body = []
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        footer = []
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        header_newlines_found = 0
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        for line in lines:
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            if in_header:
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                if line == '':
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                    header_newlines_found += 1
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                    if header_newlines_found >= newlines_in_header:
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                        in_header = False
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                        continue
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                header.append(line)
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            elif not in_footer:
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                if line.startswith('-------'):
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                    in_footer = True
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                else:
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                    body.append(line)
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            else:
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                footer.append(line)
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        # If the last body line is blank, drop it off the list
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        if len(body) > 0 and body[-1] == '':
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            body.pop()
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        return (header,body,footer)
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    def test_list_only(self):
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        # check that bzr selftest --list-only outputs no ui noise
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        def selftest(*args, **kwargs):
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            """Capture the arguments selftest was run with."""
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            return True
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        def outputs_nothing(cmdline):
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            out,err = self.run_bzr(cmdline)
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            (header,body,footer) = self._parse_test_list(out.splitlines())
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            num_tests = len(body)
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            self.assertLength(0, header)
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            self.assertLength(0, footer)
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            self.assertEqual('', err)
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        # Yes this prevents using threads to run the test suite in parallel,
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        # however we don't have a clean dependency injector for commands, 
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        # and even if we did - we'd still be testing that the glue is wired
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        # up correctly. XXX: TODO: Solve this testing problem.
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        original_selftest = tests.selftest
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        tests.selftest = selftest
 
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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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        # FIXME RBC 20060123 this should raise TestSkipped if sftp is not
 
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        # available.
 
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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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            outputs_nothing('selftest --list-only')
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            outputs_nothing('selftest --list-only selftest')
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            outputs_nothing(['selftest', '--list-only', '--exclude', 'selftest'])
 
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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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            tests.selftest = original_selftest
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    def test_lsprof_tests(self):
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        params = self.get_params_passed_to_core('selftest --lsprof-tests')
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        self.assertEqual(True, params[1]["lsprof_tests"])
 
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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