# Copyright (C) 2013 Google Inc. All rights reserved.
#
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# modification, are permitted provided that the following conditions are
# met:
#
#     * Redistributions of source code must retain the above copyright
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# in the documentation and/or other materials provided with the
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"""Blink bindings presubmit script

See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
for more details about the presubmit API built into gcl.
"""

# Make sure binding templates are considered as source files.
WHITE_LIST = (r'.+\.tmpl$',)

# Changes to v8/ do not change generated code or tests, so exclude from
# _RunBindingsTests
BLACK_LIST = (r'.*\bv8[\\\/].*',)

def _RunBindingsTests(input_api, output_api):
    # Skip if nothing to do
    source_filter = lambda x: input_api.FilterSourceFile(
        x, white_list=input_api.DEFAULT_WHITE_LIST + WHITE_LIST,
        black_list=input_api.DEFAULT_BLACK_LIST + BLACK_LIST)
    if not input_api.AffectedFiles(file_filter=source_filter):
        return []

    if input_api.is_committing:
        message_type = output_api.PresubmitError
    else:
        message_type = output_api.PresubmitPromptWarning

    pardir = input_api.os_path.pardir
    run_bindings_tests_path = input_api.os_path.join(
        input_api.PresubmitLocalPath(), pardir, pardir, 'tools', 'run_bindings_tests.py')
    cmd_name = 'run_bindings_tests.py'
    if input_api.platform == 'win32':
        # Windows needs some help.
        cmd = [input_api.python_executable, run_bindings_tests_path]
    else:
        cmd = [run_bindings_tests_path]
    if not input_api.verbose:
        cmd.append('--suppress-diff')
    test_cmd = input_api.Command(
      name=cmd_name,
      cmd=cmd,
      kwargs={},
      message=message_type)
    if input_api.verbose:
        print('Running ' + cmd_name)
    return input_api.RunTests([test_cmd])


def CheckChangeOnUpload(input_api, output_api):
    return _RunBindingsTests(input_api, output_api)


def CheckChangeOnCommit(input_api, output_api):
    return _RunBindingsTests(input_api, output_api)