android_webview/java/res/raw/PRESUBMIT.py

# Copyright 2023 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Presubmit tests for android_webview/java/res/raw"""

import os
import sys


def CheckChangeOnUpload(input_api, output_api):
  results = []
  results.extend(_CheckHistogramsAllowlist(input_api, output_api))
  return results


def _CheckHistogramsAllowlist(input_api, output_api):
  """Checks that HistogramsAllowlist.java contains valid histograms."""
  src_path = os.path.join(
    input_api.PresubmitLocalPath(), '..', '..', '..', '..'
  )
  histograms_path = os.path.join(src_path, 'tools', 'metrics', 'histograms')
  sys.path.append(histograms_path)

  import histogram_paths
  from histograms_allowlist_check import WellKnownAllowlistPath
  from histograms_allowlist_check import check_histograms_allowlist

  allowlist_path = os.path.join(
    src_path, WellKnownAllowlistPath.ANDROID_WEBVIEW.relative_path()
  )

  histograms_allowlist_filter = lambda f: f.LocalPath().endswith(  # noqa: E731
    WellKnownAllowlistPath.ANDROID_WEBVIEW.filename()
  )
  if not input_api.AffectedFiles(file_filter=histograms_allowlist_filter):
    return []

  return check_histograms_allowlist(
    output_api, allowlist_path, histogram_paths.ALL_XMLS
  )