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Viewing changes to bzrlib/tests/test_commands.py

  • Committer: Jelmer Vernooij
  • Date: 2012-04-16 11:08:11 UTC
  • mfrom: (6521 +trunk)
  • mto: This revision was merged to the branch mainline in revision 6522.
  • Revision ID: jelmer@samba.org-20120416110811-0y996ihqy9o2bb1t
Merge bzr.dev.

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bzrlib/tests/test_commands.py
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    errors,
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    option,
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    tests,
 
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    trace,
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    )
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from bzrlib.commands import display_command
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from bzrlib.tests import TestSkipped
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        cmds = list(commands.all_command_names())
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        self.assertEqual(['called'], hook_calls)
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        self.assertSubset(['foo', 'bar'], cmds)
 
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class TestPreAndPostCommandHooks(tests.TestCase):
 
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    class TestError(StandardError):
 
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        __doc__ = """A test exception."""
 
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    def test_pre_and_post_hooks(self):
 
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        hook_calls = []
 
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        def pre_command(cmd):
 
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            self.assertEqual([], hook_calls)
 
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            hook_calls.append('pre')
 
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        def post_command(cmd):
 
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            self.assertEqual(['pre', 'run'], hook_calls)
 
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            hook_calls.append('post')
 
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        def run(cmd):
 
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            self.assertEqual(['pre'], hook_calls)
 
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            hook_calls.append('run')
 
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        self.overrideAttr(builtins.cmd_rocks, 'run', run)
 
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        commands.install_bzr_command_hooks()
 
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        commands.Command.hooks.install_named_hook(
 
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            "pre_command", pre_command, None)
 
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        commands.Command.hooks.install_named_hook(
 
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            "post_command", post_command, None)
 
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        self.assertEqual([], hook_calls)
 
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        self.run_bzr(['rocks', '-Oxx=12', '-Oyy=foo'])
 
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        self.assertEqual(['pre', 'run', 'post'], hook_calls)
 
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    def test_post_hook_provided_exception(self):
 
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        hook_calls = []
 
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        def post_command(cmd):
 
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            hook_calls.append('post')
 
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        def run(cmd):
 
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            hook_calls.append('run')
 
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            raise self.TestError()
 
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        self.overrideAttr(builtins.cmd_rocks, 'run', run)
 
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        commands.install_bzr_command_hooks()
 
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        commands.Command.hooks.install_named_hook(
 
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            "post_command", post_command, None)
 
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        self.assertEqual([], hook_calls)
 
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        self.assertRaises(self.TestError, commands.run_bzr, [u'rocks'])
 
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        self.assertEqual(['run', 'post'], hook_calls)
 
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    def test_pre_command_error(self):
 
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        """Ensure an BzrCommandError in pre_command aborts the command"""
 
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        hook_calls = []
 
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        def pre_command(cmd):
 
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            hook_calls.append('pre')
 
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            # verify that all subclasses of BzrCommandError caught too
 
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            raise errors.BzrOptionError()
 
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        def post_command(cmd, e):
 
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            self.fail('post_command should not be called')
 
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        def run(cmd):
 
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            self.fail('command should not be called')
 
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        self.overrideAttr(builtins.cmd_rocks, 'run', run)
 
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        commands.install_bzr_command_hooks()
 
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        commands.Command.hooks.install_named_hook(
 
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            "pre_command", pre_command, None)
 
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        commands.Command.hooks.install_named_hook(
 
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            "post_command", post_command, None)
 
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        self.assertEqual([], hook_calls)
 
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        self.assertRaises(errors.BzrCommandError,
 
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                          commands.run_bzr, [u'rocks'])
 
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        self.assertEqual(['pre'], hook_calls)
 
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