~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2005 by Canonical Ltd

#

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

# it under the terms of the GNU General Public License version 2 as published by

# the Free Software Foundation.

#

# 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

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

import sys

import bzrlib

from bzrlib.errors import ParamikoNotPresent

from bzrlib.tests import (

                          TestCase,

                          TestCaseInTempDir,

                          TestSkipped,

                          )

from bzrlib.tests.blackbox import ExternalBase

class TestOptions(TestCase):

    current_test = None

    def test_transport_set_to_sftp(self):

        # test the --transport option has taken effect from within the

        # test_transport test

        try:

            import bzrlib.transport.sftp

        except ParamikoNotPresent:

            raise TestSkipped("Paramiko not present")

        if TestOptions.current_test != "test_transport_set_to_sftp":

            return

        self.assertEqual(bzrlib.transport.sftp.SFTPAbsoluteServer,

                         bzrlib.tests.default_transport)

    def test_transport_set_to_memory(self):

        # test the --transport option has taken effect from within the

        # test_transport test

        import bzrlib.transport.memory

        if TestOptions.current_test != "test_transport_set_to_memory":

            return

        self.assertEqual(bzrlib.transport.memory.MemoryServer,

                         bzrlib.tests.default_transport)

    def test_transport(self):

        # test that --transport=sftp works

        try:

            import bzrlib.transport.sftp

        except ParamikoNotPresent:

            raise TestSkipped("Paramiko not present")

        old_transport = bzrlib.tests.default_transport

        old_root = TestCaseInTempDir.TEST_ROOT

        TestCaseInTempDir.TEST_ROOT = None

        try:

            TestOptions.current_test = "test_transport_set_to_sftp"

            stdout = self.capture('selftest --transport=sftp test_transport_set_to_sftp')

            self.assertContainsRe(stdout, 'Ran 1 test')

            self.assertEqual(old_transport, bzrlib.tests.default_transport)

            TestOptions.current_test = "test_transport_set_to_memory"

            stdout = self.capture('selftest --transport=memory test_transport_set_to_memory')

            self.assertContainsRe(stdout, 'Ran 1 test')

            self.assertEqual(old_transport, bzrlib.tests.default_transport)

        finally:

            bzrlib.tests.default_transport = old_transport

            TestOptions.current_test = None

            TestCaseInTempDir.TEST_ROOT = old_root

    def test_benchmark_runs_benchmark_tests(self):

        """bzr selftest --benchmark should not run the default test suite."""

        # We test this by passing a regression test name to --benchmark, which

        # should result in 0 rests run.

        out, err = self.run_bzr('selftest', '--benchmark', 'workingtree_implementations')

        self.assertContainsRe(out, 'Ran 0 tests.*\n\nOK')

        self.assertEqual(

            'running tests...\ntests passed\n',

            err)

class TestRunBzr(ExternalBase):

    def run_bzr_captured(self, argv, retcode=0, stdin=None):

        self.stdin = stdin

    def test_stdin(self):

        # test that the stdin keyword to run_bzr is passed through to

        # run_bzr_captured as-is. We do this by overriding

        # run_bzr_captured in this class, and then calling run_bzr,

        # which is a convenience function for run_bzr_captured, so 

        # should invoke it.

        self.run_bzr('foo', 'bar', stdin='gam')

        self.assertEqual('gam', self.stdin)

        self.run_bzr('foo', 'bar', stdin='zippy')

        self.assertEqual('zippy', self.stdin)

class TestRunBzrCaptured(ExternalBase):

    def apply_redirected(self, stdin=None, stdout=None, stderr=None,

                         a_callable=None, *args, **kwargs):

        self.stdin = stdin

        self.factory_stdin = getattr(bzrlib.ui.ui_factory, "stdin", None)

        self.factory = bzrlib.ui.ui_factory

        stdout.write('foo\n')

        stderr.write('bar\n')

        return 0

    def test_stdin(self):

        # test that the stdin keyword to run_bzr_captured is passed through to

        # apply_redirected as a StringIO. We do this by overriding

        # apply_redirected in this class, and then calling run_bzr_captured,

        # which calls apply_redirected. 

        self.run_bzr_captured(['foo', 'bar'], stdin='gam')

        self.assertEqual('gam', self.stdin.read())

        self.assertTrue(self.stdin is self.factory_stdin)

        self.run_bzr_captured(['foo', 'bar'], stdin='zippy')

        self.assertEqual('zippy', self.stdin.read())

        self.assertTrue(self.stdin is self.factory_stdin)

    def test_ui_factory(self):

        # each invocation of self.run_bzr_captured should get its own UI

        # factory, which is an instance of TestUIFactory, with stdout and

        # stderr attached to the stdout and stderr of the invoked

        # run_bzr_captured

        current_factory = bzrlib.ui.ui_factory

        self.run_bzr_captured(['foo'])

        self.failIf(current_factory is self.factory)

        self.assertNotEqual(sys.stdout, self.factory.stdout)

        self.assertNotEqual(sys.stderr, self.factory.stderr)

        self.assertEqual('foo\n', self.factory.stdout.getvalue())

        self.assertEqual('bar\n', self.factory.stderr.getvalue())

        self.assertIsInstance(self.factory, bzrlib.tests.blackbox.TestUIFactory)