Merge webkit_patch and multi_command_tool.

third_party/WebKit/Tools/Scripts/webkitpy/tool/multi_command_tool_unittest.py

-# Copyright (c) 2009 Google Inc. All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following disclaimer
-# in the documentation and/or other materials provided with the
-# distribution.
-#     * Neither the name of Google Inc. nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-import unittest
-
-from optparse import make_option
-
-from webkitpy.common.system.outputcapture import OutputCapture
-from webkitpy.tool.multi_command_tool import MultiCommandTool
-from webkitpy.tool.commands.command import Command
-
-
-class TrivialCommand(Command):
-    name = "trivial"
-    help_text = "help text"
-    long_help = "trivial command long help text"
-    show_in_main_help = True
-
-    def __init__(self, **kwargs):
-        super(TrivialCommand, self).__init__(**kwargs)
-
-    def execute(self, options, args, tool):
-        pass
-
-
-class UncommonCommand(TrivialCommand):
-    name = "uncommon"
-    show_in_main_help = False
-
-
-class TrivialTool(MultiCommandTool):
-
-    def __init__(self, commands):
-        MultiCommandTool.__init__(self, commands)
-
-    def name(self):
-        return 'trivial-tool'
-
-    def path(self):
-        return __file__
-
-    def should_execute_command(self, command):
-        return (True, None)
-
-
-class MultiCommandToolTest(unittest.TestCase):
-
-    def _assert_split(self, args, expected_split):
-        self.assertEqual(MultiCommandTool._split_command_name_from_args(args), expected_split)
-
-    def test_split_args(self):
-        # MultiCommandToolTest._split_command_name_from_args returns: (command, args)
-        full_args = ["--global-option", "command", "--option", "arg"]
-        full_args_expected = ("command", ["--global-option", "--option", "arg"])
-        self._assert_split(full_args, full_args_expected)
-
-        full_args = []
-        full_args_expected = (None, [])
-        self._assert_split(full_args, full_args_expected)
-
-        full_args = ["command", "arg"]
-        full_args_expected = ("command", ["arg"])
-        self._assert_split(full_args, full_args_expected)
-
-    def test_command_by_name(self):
-        tool = TrivialTool(commands=[TrivialCommand(), UncommonCommand()])
-        self.assertEqual(tool.command_by_name("trivial").name, "trivial")
-        self.assertIsNone(tool.command_by_name("bar"))
-
-    def _assert_tool_main_outputs(self, tool, main_args, expected_stdout, expected_stderr="", expected_exit_code=0):
-        exit_code = OutputCapture().assert_outputs(
-            self, tool.main, [main_args], expected_stdout=expected_stdout, expected_stderr=expected_stderr)
-        self.assertEqual(exit_code, expected_exit_code)
-
-    def test_global_help(self):
-        tool = TrivialTool(commands=[TrivialCommand(), UncommonCommand()])
-        expected_common_commands_help = """Usage: trivial-tool [options] COMMAND [ARGS]
-
-Options:
-  -h, --help  show this help message and exit
-
-Common trivial-tool commands:
-   trivial   help text
-
-See 'trivial-tool help --all-commands' to list all commands.
-See 'trivial-tool help COMMAND' for more information on a specific command.
-
-"""
-        self._assert_tool_main_outputs(tool, ["tool"], expected_common_commands_help)
-        self._assert_tool_main_outputs(tool, ["tool", "help"], expected_common_commands_help)
-        expected_all_commands_help = """Usage: trivial-tool [options] COMMAND [ARGS]
-
-Options:
-  -h, --help  show this help message and exit
-
-All trivial-tool commands:
-   help       Display information about this program or its subcommands
-   trivial    help text
-   uncommon   help text
-
-See 'trivial-tool help --all-commands' to list all commands.
-See 'trivial-tool help COMMAND' for more information on a specific command.
-
-"""
-        self._assert_tool_main_outputs(tool, ["tool", "help", "--all-commands"], expected_all_commands_help)
-        # Test that arguments can be passed before commands as well
-        self._assert_tool_main_outputs(tool, ["tool", "--all-commands", "help"], expected_all_commands_help)
-
-    def test_command_help(self):
-        command_with_options = TrivialCommand(options=[make_option("--my_option")])
-        tool = TrivialTool(commands=[command_with_options])
-        expected_subcommand_help = """trivial [options]   help text
-
-trivial command long help text
-
-Options:
-  --my_option=MY_OPTION
-
-"""
-        self._assert_tool_main_outputs(tool, ["tool", "help", "trivial"], expected_subcommand_help)
-
-    def test_constructor_calls_bind_to_tool(self):
-        tool = TrivialTool(commands=[TrivialCommand(), UncommonCommand()])
-        self.assertEqual(tool.commands[0]._tool, tool)
-        self.assertEqual(tool.commands[1]._tool, tool)