base/android/junit/PRESUBMIT.py

# Copyright 2020 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

def CheckChangeOnUpload(input_api, output_api):
    results = []

    # Dictionary of base/android files with corresponding Robolectric shadows.
    # If new functions are added to the original file, it is very likely that
    # function with the same signature should be added to the shadow.
    impl_to_shadow_paths = {
        'base/android/java/src/org/chromium/base/metrics/RecordHistogram.java':
        'base/android/junit/src/org/chromium/base/metrics/test/ShadowRecordHistogram.java'
    }

    for impl_path, shadow_path in impl_to_shadow_paths.items():
        if impl_path in input_api.change.LocalPaths():
            if shadow_path not in input_api.change.LocalPaths():
                results.append(
                    output_api.PresubmitPromptWarning(
                        'You modified the runtime class: \n'
                        '  ' + impl_path + '\n'
                        'without changing the corresponding shadow test class: \n'
                        '  ' + shadow_path + '\n'))

    return results