~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2006-2010 Canonical Ltd

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

"""UI tests for the test framework."""

import os

from bzrlib import (

    tests,

    )

from bzrlib.tests import (

    features,

    )

from bzrlib.transport import memory

class SelfTestPatch:

    def get_params_passed_to_core(self, cmdline):

        params = []

        def selftest(*args, **kwargs):

            """Capture the arguments selftest was run with."""

            params.append((args, kwargs))

            return True

        # Yes this prevents using threads to run the test suite in parallel,

        # however we don't have a clean dependency injector for commands, 

        # and even if we did - we'd still be testing that the glue is wired

        # up correctly. XXX: TODO: Solve this testing problem.

        original_selftest = tests.selftest

        tests.selftest = selftest

        try:

            self.run_bzr(cmdline)

            return params[0]

        finally:

            tests.selftest = original_selftest

class TestOptions(tests.TestCase, SelfTestPatch):

    def test_load_list(self):

        params = self.get_params_passed_to_core('selftest --load-list foo')

        self.assertEqual('foo', params[1]['load_list'])

    def test_transport_set_to_sftp(self):

        # Test that we can pass a transport to the selftest core - sftp

        # version.

        self.requireFeature(features.paramiko)

        from bzrlib.tests import stub_sftp

        params = self.get_params_passed_to_core('selftest --transport=sftp')

        self.assertEqual(stub_sftp.SFTPAbsoluteServer,

            params[1]["transport"])

    def test_transport_set_to_memory(self):

        # Test that we can pass a transport to the selftest core - memory

        # version.

        params = self.get_params_passed_to_core('selftest --transport=memory')

        self.assertEqual(memory.MemoryServer, params[1]["transport"])

    def test_parameters_passed_to_core(self):

        params = self.get_params_passed_to_core('selftest --list-only')

        self.assertTrue("list_only" in params[1])

        params = self.get_params_passed_to_core('selftest --list-only selftest')

        self.assertTrue("list_only" in params[1])

        params = self.get_params_passed_to_core(['selftest', '--list-only',

            '--exclude', 'selftest'])

        self.assertTrue("list_only" in params[1])

        params = self.get_params_passed_to_core(['selftest', '--list-only',

            'selftest', '--randomize', 'now'])

        self.assertSubset(["list_only", "random_seed"], params[1])

    def test_starting_with(self):

        params = self.get_params_passed_to_core('selftest --starting-with foo')

        self.assertEqual(['foo'], params[1]['starting_with'])

    def test_starting_with_multiple_argument(self):

        params = self.get_params_passed_to_core(

            'selftest --starting-with foo --starting-with bar')

        self.assertEqual(['foo', 'bar'], params[1]['starting_with'])

    def test_subunit(self):

        self.requireFeature(features.subunit)

        params = self.get_params_passed_to_core('selftest --subunit')

        self.assertEqual(tests.SubUnitBzrRunner, params[1]['runner_class'])

    def _parse_test_list(self, lines, newlines_in_header=0):

        "Parse a list of lines into a tuple of 3 lists (header,body,footer)."

        in_header = newlines_in_header != 0

        in_footer = False

        header = []

        body = []

        footer = []

        header_newlines_found = 0

        for line in lines:

            if in_header:

                if line == '':

                    header_newlines_found += 1

                    if header_newlines_found >= newlines_in_header:

                        in_header = False

                        continue

                header.append(line)

            elif not in_footer:

                if line.startswith('-------'):

                    in_footer = True

                else:

                    body.append(line)

            else:

                footer.append(line)

        # If the last body line is blank, drop it off the list

        if len(body) > 0 and body[-1] == '':

            body.pop()

        return (header,body,footer)

    def test_list_only(self):

        # check that bzr selftest --list-only outputs no ui noise

        def selftest(*args, **kwargs):

            """Capture the arguments selftest was run with."""

            return True

        def outputs_nothing(cmdline):

            out,err = self.run_bzr(cmdline)

            (header,body,footer) = self._parse_test_list(out.splitlines())

            num_tests = len(body)

            self.assertLength(0, header)

            self.assertLength(0, footer)

            self.assertEqual('', err)

        # Yes this prevents using threads to run the test suite in parallel,

        # however we don't have a clean dependency injector for commands, 

        # and even if we did - we'd still be testing that the glue is wired

        # up correctly. XXX: TODO: Solve this testing problem.

        original_selftest = tests.selftest

        tests.selftest = selftest

        try:

            outputs_nothing('selftest --list-only')

            outputs_nothing('selftest --list-only selftest')

            outputs_nothing(['selftest', '--list-only', '--exclude', 'selftest'])

        finally:

            tests.selftest = original_selftest

    def test_lsprof_tests(self):

        params = self.get_params_passed_to_core('selftest --lsprof-tests')

        self.assertEqual(True, params[1]["lsprof_tests"])

    def test_parallel_fork_unsupported(self):

        if getattr(os, "fork", None) is not None:

            self.addCleanup(setattr, os, "fork", os.fork)

            del os.fork

        out, err = self.run_bzr(["selftest", "--parallel=fork", "-s", "bt.x"],

            retcode=3)

        self.assertIn("platform does not support fork", err)

        self.assertFalse(out)