# Copyright 2014 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.

"""Apptest runner specific to the particular Dart apptest framework in
/mojo/dart/apptests, built on top of the general apptest runner."""

import logging

_logging = logging.getLogger()

from devtoolslib.apptest import run_apptest


def _dart_apptest_output_test(output):
  # Fail on output with dart unittests' "FAIL:"/"ERROR:" or a lack of "PASS:".
  # The latter condition ensures failure on broken command lines or output.
  # Check output instead of exit codes because mojo_shell always exits with 0.
  if (not output or
      '\nFAIL: ' in output or
      '\nERROR: ' in output or
      '\nPASS: ' not in output):
    return False
  return True


# TODO(erg): Support android, launched services and fixture isolation.
def run_dart_apptest(shell, shell_args, apptest_url, apptest_args):
  """Runs a dart apptest.

  Args:
    shell_args: The arguments for mojo_shell.
    apptest_url: Url of the apptest app to run.
    apptest_args: Parameters to be passed to the apptest app.

  Returns:
    True iff the test succeeded, False otherwise.
  """
  return run_apptest(shell, shell_args, apptest_url, apptest_args,
                     _dart_apptest_output_test)