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Viewing changes to bzrlib/tests/test_script.py

  • Committer: Martin Pool
  • Date: 2010-09-13 08:14:44 UTC
  • mto: (5416.1.8 ui-factory)
  • mto: This revision was merged to the branch mainline in revision 5422.
  • Revision ID: mbp@sourcefrog.net-20100913081444-63v2l3wqb9e45ab3
Better handling of blank lines in test scripts

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bzrlib/tests/test_script.py
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from bzrlib import (
 
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    commands,
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    osutils,
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    tests,
 
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    ui,
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    )
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from bzrlib.tests import script
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    def test_comment_is_ignored(self):
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        self.assertEquals([], script._script_to_commands('#comment\n'))
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    def test_empty_line_is_ignored(self):
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        self.assertEquals([], script._script_to_commands('\n'))
 
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    def test_trim_blank_lines(self):
 
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        """Blank lines are respected, but trimmed at the start and end.
 
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        Python triple-quoted syntax is going to give stubby/empty blank lines 
 
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        right at the start and the end.  These are cut off so that callers don't 
 
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        need special syntax to avoid them.
 
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        However we do want to be able to match commands that emit blank lines.
 
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        """
 
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        self.assertEquals([
 
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            (['bar'], None, '\n', None),
 
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            ],
 
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            script._script_to_commands("""
 
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            $bar
 
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            """))
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    def test_simple_command(self):
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        self.assertEquals([(['cd', 'trunk'], None, None, None)],
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            [(['cat', '>file'], 'content\n', None, None)],
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            script._script_to_commands('$ cat >file\n<content\n'))
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    def test_indented(self):
 
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        # scripts are commonly given indented within the test source code, and
 
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        # common indentation is stripped off
 
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        story = """
 
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            $ bzr add
 
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            adding file
 
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            adding file2
 
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            """
 
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        self.assertEquals([(['bzr', 'add'], None,
 
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                            'adding file\nadding file2\n', None)],
 
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                          script._script_to_commands(story))
 
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    def test_command_with_output(self):
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        story = """
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$ bzr add
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        self.assertEquals(None, err)
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        self.assertFileEqual('hello\nhappy\n', 'file')
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    def test_empty_line_in_output_is_respected(self):
 
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        self.run_script("""
 
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            $ echo
 
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            $ echo bar
 
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            bar
 
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            """)
 
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class TestRm(script.TestCaseWithTransportAndScript):
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        self.failIfExists('file')
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        self.failUnlessExists('dir/file')
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class cmd_test_confirm(commands.Command):
 
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    def run(self):
 
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        if ui.ui_factory.get_boolean(
 
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            'Really do it',
 
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            # 'bzrlib.tests.test_script.confirm',
 
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            # {}
 
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            ):
 
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            self.outf.write('Do it!\n')
 
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        else:
 
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            print 'ok, no'
 
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class TestUserInteraction(script.TestCaseWithMemoryTransportAndScript):
 
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    def test_confirm_action(self):
 
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        """You can write tests that demonstrate user confirmation.
 
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        Specifically, ScriptRunner does't care if the output line for the prompt
 
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        isn't terminated by a newline from the program; it's implicitly terminated 
 
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        by the input.
 
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        """
 
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        commands.builtin_command_registry.register(cmd_test_confirm)
 
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        self.addCleanup(commands.builtin_command_registry.remove, 'test-confirm')
 
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        self.run_script("""
 
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            $ bzr test-confirm
 
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            2>Really do it? [y/n]: 
 
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            <yes
 
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            Do it!
 
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            $ bzr test-confirm
 
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            2>Really do it? [y/n]: 
 
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            <no
 
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            ok, no
 
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            """)
 
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