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Viewing changes to bzrlib/tests/test_script.py

Implement a 'cat' command.

* bzrlib/tests/test_script.py:
(TestCat): Test the 'cat' command.

* bzrlib/tests/script.py:
(TestCaseWithScript): TestCase that can run shell-like
scripts. Implement 'cat' to fill files.

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Lines of Context:
bzrlib/tests/test_script.py
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                          script._script_to_commands(story))
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class TestScriptExecution(script.TestCaseWithScript):
 
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    def test_unknown_command(self):
 
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        self.assertRaises(SyntaxError, self.run_script, 'foo')
 
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class TestCat(script.TestCaseWithScript):
 
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    def test_cat_usage(self):
 
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        self.assertRaises(SyntaxError, self.run_script, 'cat foo bar baz')
 
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    def test_cat_input_to_output(self):
 
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        out, err = self.run_command(['cat'], ['content\n'], ['content\n'], None)
 
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    def test_cat_file_to_output(self):
 
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        self.build_tree_contents([('file', 'content\n')])
 
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        out, err = self.run_command(['cat', 'file'], None, ['content\n'], None)
 
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    def test_cat_input_to_file(self):
 
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        out, err = self.run_command(['cat', '>file'], ['content\n'], None, None)
 
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        self.assertFileEqual('content\n', 'file')
 
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    def test_cat_file_to_file(self):
 
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        self.build_tree_contents([('file', 'content\n')])
 
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        out, err = self.run_command(['cat', 'file', '>file2'], None, None, None)
 
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        self.assertFileEqual('content\n', 'file2')