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| 1 # Copyright (c) 2009 Google Inc. All rights reserved. | |
| 2 # | |
| 3 # Redistribution and use in source and binary forms, with or without | |
| 4 # modification, are permitted provided that the following conditions are | |
| 5 # met: | |
| 6 # | |
| 7 # * Redistributions of source code must retain the above copyright | |
| 8 # notice, this list of conditions and the following disclaimer. | |
| 9 # * Redistributions in binary form must reproduce the above | |
| 10 # copyright notice, this list of conditions and the following disclaimer | |
| 11 # in the documentation and/or other materials provided with the | |
| 12 # distribution. | |
| 13 # * Neither the name of Google Inc. nor the names of its | |
| 14 # contributors may be used to endorse or promote products derived from | |
| 15 # this software without specific prior written permission. | |
| 16 # | |
| 17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 18 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 19 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 20 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 21 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 22 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 23 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 27 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 28 | |
| 29 import sys | |
| 30 import unittest | |
| 31 | |
| 32 from optparse import make_option | |
| 33 | |
| 34 from webkitpy.common.system.outputcapture import OutputCapture | |
| 35 from webkitpy.tool.multicommandtool import MultiCommandTool, Command, TryAgain | |
| 36 | |
| 37 | |
| 38 class TrivialCommand(Command): | |
| 39 name = "trivial" | |
| 40 show_in_main_help = True | |
| 41 def __init__(self, **kwargs): | |
| 42 Command.__init__(self, "help text", **kwargs) | |
| 43 | |
| 44 def execute(self, options, args, tool): | |
| 45 pass | |
| 46 | |
| 47 | |
| 48 class UncommonCommand(TrivialCommand): | |
| 49 name = "uncommon" | |
| 50 show_in_main_help = False | |
| 51 | |
| 52 | |
| 53 class LikesToRetry(Command): | |
| 54 name = "likes-to-retry" | |
| 55 show_in_main_help = True | |
| 56 | |
| 57 def __init__(self, **kwargs): | |
| 58 Command.__init__(self, "help text", **kwargs) | |
| 59 self.execute_count = 0 | |
| 60 | |
| 61 def execute(self, options, args, tool): | |
| 62 self.execute_count += 1 | |
| 63 if self.execute_count < 2: | |
| 64 raise TryAgain() | |
| 65 | |
| 66 | |
| 67 class CommandTest(unittest.TestCase): | |
| 68 def test_name_with_arguments(self): | |
| 69 command_with_args = TrivialCommand(argument_names="ARG1 ARG2") | |
| 70 self.assertEqual(command_with_args.name_with_arguments(), "trivial ARG1
ARG2") | |
| 71 | |
| 72 command_with_args = TrivialCommand(options=[make_option("--my_option")]) | |
| 73 self.assertEqual(command_with_args.name_with_arguments(), "trivial [opti
ons]") | |
| 74 | |
| 75 def test_parse_required_arguments(self): | |
| 76 self.assertEqual(Command._parse_required_arguments("ARG1 ARG2"), ["ARG1"
, "ARG2"]) | |
| 77 self.assertEqual(Command._parse_required_arguments("[ARG1] [ARG2]"), []) | |
| 78 self.assertEqual(Command._parse_required_arguments("[ARG1] ARG2"), ["ARG
2"]) | |
| 79 # Note: We might make our arg parsing smarter in the future and allow th
is type of arguments string. | |
| 80 self.assertRaises(Exception, Command._parse_required_arguments, "[ARG1 A
RG2]") | |
| 81 | |
| 82 def test_required_arguments(self): | |
| 83 two_required_arguments = TrivialCommand(argument_names="ARG1 ARG2 [ARG3]
") | |
| 84 expected_logs = "2 arguments required, 1 argument provided. Provided: '
foo' Required: ARG1 ARG2\nSee 'trivial-tool help trivial' for usage.\n" | |
| 85 exit_code = OutputCapture().assert_outputs(self, two_required_arguments.
check_arguments_and_execute, [None, ["foo"], TrivialTool()], expected_logs=expec
ted_logs) | |
| 86 self.assertEqual(exit_code, 1) | |
| 87 | |
| 88 | |
| 89 class TrivialTool(MultiCommandTool): | |
| 90 def __init__(self, commands=None): | |
| 91 MultiCommandTool.__init__(self, name="trivial-tool", commands=commands) | |
| 92 | |
| 93 def path(self): | |
| 94 return __file__ | |
| 95 | |
| 96 def should_execute_command(self, command): | |
| 97 return (True, None) | |
| 98 | |
| 99 | |
| 100 class MultiCommandToolTest(unittest.TestCase): | |
| 101 def _assert_split(self, args, expected_split): | |
| 102 self.assertEqual(MultiCommandTool._split_command_name_from_args(args), e
xpected_split) | |
| 103 | |
| 104 def test_split_args(self): | |
| 105 # MultiCommandToolTest._split_command_name_from_args returns: (command,
args) | |
| 106 full_args = ["--global-option", "command", "--option", "arg"] | |
| 107 full_args_expected = ("command", ["--global-option", "--option", "arg"]) | |
| 108 self._assert_split(full_args, full_args_expected) | |
| 109 | |
| 110 full_args = [] | |
| 111 full_args_expected = (None, []) | |
| 112 self._assert_split(full_args, full_args_expected) | |
| 113 | |
| 114 full_args = ["command", "arg"] | |
| 115 full_args_expected = ("command", ["arg"]) | |
| 116 self._assert_split(full_args, full_args_expected) | |
| 117 | |
| 118 def test_command_by_name(self): | |
| 119 # This also tests Command auto-discovery. | |
| 120 tool = TrivialTool() | |
| 121 self.assertEqual(tool.command_by_name("trivial").name, "trivial") | |
| 122 self.assertEqual(tool.command_by_name("bar"), None) | |
| 123 | |
| 124 def _assert_tool_main_outputs(self, tool, main_args, expected_stdout, expect
ed_stderr = "", expected_exit_code=0): | |
| 125 exit_code = OutputCapture().assert_outputs(self, tool.main, [main_args],
expected_stdout=expected_stdout, expected_stderr=expected_stderr) | |
| 126 self.assertEqual(exit_code, expected_exit_code) | |
| 127 | |
| 128 def test_retry(self): | |
| 129 likes_to_retry = LikesToRetry() | |
| 130 tool = TrivialTool(commands=[likes_to_retry]) | |
| 131 tool.main(["tool", "likes-to-retry"]) | |
| 132 self.assertEqual(likes_to_retry.execute_count, 2) | |
| 133 | |
| 134 def test_global_help(self): | |
| 135 tool = TrivialTool(commands=[TrivialCommand(), UncommonCommand()]) | |
| 136 expected_common_commands_help = """Usage: trivial-tool [options] COMMAND
[ARGS] | |
| 137 | |
| 138 Options: | |
| 139 -h, --help show this help message and exit | |
| 140 | |
| 141 Common trivial-tool commands: | |
| 142 trivial help text | |
| 143 | |
| 144 See 'trivial-tool help --all-commands' to list all commands. | |
| 145 See 'trivial-tool help COMMAND' for more information on a specific command. | |
| 146 | |
| 147 """ | |
| 148 self._assert_tool_main_outputs(tool, ["tool"], expected_common_commands_
help) | |
| 149 self._assert_tool_main_outputs(tool, ["tool", "help"], expected_common_c
ommands_help) | |
| 150 expected_all_commands_help = """Usage: trivial-tool [options] COMMAND [A
RGS] | |
| 151 | |
| 152 Options: | |
| 153 -h, --help show this help message and exit | |
| 154 | |
| 155 All trivial-tool commands: | |
| 156 help Display information about this program or its subcommands | |
| 157 trivial help text | |
| 158 uncommon help text | |
| 159 | |
| 160 See 'trivial-tool help --all-commands' to list all commands. | |
| 161 See 'trivial-tool help COMMAND' for more information on a specific command. | |
| 162 | |
| 163 """ | |
| 164 self._assert_tool_main_outputs(tool, ["tool", "help", "--all-commands"],
expected_all_commands_help) | |
| 165 # Test that arguments can be passed before commands as well | |
| 166 self._assert_tool_main_outputs(tool, ["tool", "--all-commands", "help"],
expected_all_commands_help) | |
| 167 | |
| 168 | |
| 169 def test_command_help(self): | |
| 170 command_with_options = TrivialCommand(options=[make_option("--my_option"
)], long_help="LONG HELP") | |
| 171 tool = TrivialTool(commands=[command_with_options]) | |
| 172 expected_subcommand_help = "trivial [options] help text\n\nLONG HELP\n
\nOptions:\n --my_option=MY_OPTION\n\n" | |
| 173 self._assert_tool_main_outputs(tool, ["tool", "help", "trivial"], expect
ed_subcommand_help) | |
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Chromium Code Reviews
Issue 946753002:
Delete a bunch of dead python code. (Closed)
Base URL: git@github.com:domokit/mojo.git@master