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Viewing changes to bzrlib/tests/blackbox/test_selftest.py

  • Committer: Martin Pool
  • Date: 2010-10-14 21:23:08 UTC
  • mto: This revision was merged to the branch mainline in revision 5495.
  • Revision ID: mbp@sourcefrog.net-20101014212308-avfax5qlqwo1rrb1
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bzrlib/tests/blackbox/test_selftest.py
 
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# Copyright (C) 2006-2010 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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#
 
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
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"""UI tests for the test framework."""
 
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import os
 
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from bzrlib import (
 
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    tests,
 
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    )
 
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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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    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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    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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        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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        finally:
 
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            tests.selftest = original_selftest
 
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    def test_lsprof_tests(self):
 
151
        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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    def test_parallel_fork_unsupported(self):
 
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        if getattr(os, "fork", None) is not None:
 
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            self.addCleanup(setattr, os, "fork", os.fork)
 
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            del os.fork
 
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        out, err = self.run_bzr(["selftest", "--parallel=fork", "-s", "bt.x"],
 
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            retcode=3)
 
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        self.assertIn("platform does not support fork", err)
 
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        self.assertFalse(out)