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#!/usr/bin/env python
# ***** BEGIN LICENSE BLOCK *****
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this file,
# You can obtain one at http://mozilla.org/MPL/2.0/.
# ***** END LICENSE BLOCK *****

import copy
import json
import os
import sys

# load modules from parent dir
sys.path.insert(1, os.path.dirname(sys.path[0]))

from mozharness.base.errors import BaseErrorList, TarErrorList
from mozharness.base.log import INFO
from mozharness.base.script import PreScriptAction
from mozharness.base.transfer import TransferMixin
from mozharness.base.vcs.vcsbase import MercurialScript
from mozharness.mozilla.testing.errors import LogcatErrorList
from mozharness.mozilla.testing.testbase import TestingMixin, testing_config_options
from mozharness.mozilla.testing.unittest import TestSummaryOutputParserHelper
from mozharness.mozilla.testing.codecoverage import (
    CodeCoverageMixin,
    code_coverage_config_options
)
from mozharness.mozilla.testing.errors import HarnessErrorList

from mozharness.mozilla.structuredlog import StructuredOutputParser


class MarionetteTest(TestingMixin, MercurialScript, TransferMixin,
                     CodeCoverageMixin):
    config_options = [[
        ["--application"],
        {"action": "store",
         "dest": "application",
         "default": None,
         "help": "application name of binary"
         }
    ], [
        ["--app-arg"],
        {"action": "store",
         "dest": "app_arg",
         "default": None,
         "help": "Optional command-line argument to pass to the browser"
         }
    ], [
        ["--marionette-address"],
        {"action": "store",
         "dest": "marionette_address",
         "default": None,
         "help": "The host:port of the Marionette server running inside Gecko. "
                 "Unused for emulator testing",
         }
    ], [
        ["--emulator"],
        {"action": "store",
         "type": "choice",
         "choices": ['arm', 'x86'],
         "dest": "emulator",
         "default": None,
         "help": "Use an emulator for testing",
         }
    ], [
        ["--test-manifest"],
        {"action": "store",
         "dest": "test_manifest",
         "default": "unit-tests.ini",
         "help": "Path to test manifest to run relative to the Marionette "
                 "tests directory",
         }
    ], [
        ["--total-chunks"],
        {"action": "store",
         "dest": "total_chunks",
         "help": "Number of total chunks",
         }
     ], [
        ["--this-chunk"],
        {"action": "store",
         "dest": "this_chunk",
         "help": "Number of this chunk",
         }
     ], [
        ["--disable-e10s"],
        {"action": "store_false",
         "dest": "e10s",
         "default": True,
         "help": "Run tests without multiple processes (e10s). (Desktop builds only)",
         }
    ], [
        ["--setpref"],
        {"action": "append",
         "metavar": "PREF=VALUE",
         "dest": "extra_prefs",
         "default": [],
         "help": "Extra user prefs.",
         }
    ], [
        ["--headless"],
        {"action": "store_true",
         "dest": "headless",
         "default": False,
         "help": "Run tests in headless mode.",
         }
    ], [
        ["--headless-width"],
        {"action": "store",
         "dest": "headless_width",
         "default": "1600",
         "help": "Specify headless virtual screen width (default: 1600).",
         }
    ], [
        ["--headless-height"],
        {"action": "store",
         "dest": "headless_height",
         "default": "1200",
         "help": "Specify headless virtual screen height (default: 1200).",
         }
    ], [
       ["--allow-software-gl-layers"],
       {"action": "store_true",
        "dest": "allow_software_gl_layers",
        "default": False,
        "help": "Permits a software GL implementation (such as LLVMPipe) to use the GL compositor."
        }
    ], [
       ["--enable-webrender"],
       {"action": "store_true",
        "dest": "enable_webrender",
        "default": False,
        "help": "Enable the WebRender compositor in Gecko."
        }
     ]] + copy.deepcopy(testing_config_options) \
        + copy.deepcopy(code_coverage_config_options)

    repos = []

    def __init__(self, require_config_file=False):
        super(MarionetteTest, self).__init__(
            config_options=self.config_options,
            all_actions=['clobber',
                         'pull',
                         'download-and-extract',
                         'create-virtualenv',
                         'install',
                         'run-tests'],
            default_actions=['clobber',
                             'pull',
                             'download-and-extract',
                             'create-virtualenv',
                             'install',
                             'run-tests'],
            require_config_file=require_config_file,
            config={'require_test_zip': True})

        # these are necessary since self.config is read only
        c = self.config
        self.installer_url = c.get('installer_url')
        self.installer_path = c.get('installer_path')
        self.binary_path = c.get('binary_path')
        self.test_url = c.get('test_url')
        self.test_packages_url = c.get('test_packages_url')

        self.test_suite = self._get_test_suite(c.get('emulator'))
        if self.test_suite not in self.config["suite_definitions"]:
            self.fatal("{} is not defined in the config!".format(self.test_suite))

        if c.get('structured_output'):
            self.parser_class = StructuredOutputParser
        else:
            self.parser_class = TestSummaryOutputParserHelper

    def _pre_config_lock(self, rw_config):
        super(MarionetteTest, self)._pre_config_lock(rw_config)
        if not self.config.get('emulator') and not self.config.get('marionette_address'):
                self.fatal("You need to specify a --marionette-address for non-emulator tests! "
                           "(Try --marionette-address localhost:2828 )")

    def _query_tests_dir(self):
        dirs = self.query_abs_dirs()
        test_dir = self.config["suite_definitions"][self.test_suite]["testsdir"]

        return os.path.join(dirs['abs_test_install_dir'], test_dir)

    def query_abs_dirs(self):
        if self.abs_dirs:
            return self.abs_dirs
        abs_dirs = super(MarionetteTest, self).query_abs_dirs()
        dirs = {}
        dirs['abs_test_install_dir'] = os.path.join(
            abs_dirs['abs_work_dir'], 'tests')
        dirs['abs_marionette_dir'] = os.path.join(
            dirs['abs_test_install_dir'], 'marionette', 'harness', 'marionette_harness')
        dirs['abs_marionette_tests_dir'] = os.path.join(
            dirs['abs_test_install_dir'], 'marionette', 'tests', 'testing',
            'marionette', 'harness', 'marionette_harness', 'tests')
        dirs['abs_gecko_dir'] = os.path.join(
            abs_dirs['abs_work_dir'], 'gecko')
        dirs['abs_emulator_dir'] = os.path.join(
            abs_dirs['abs_work_dir'], 'emulator')

        dirs['abs_blob_upload_dir'] = os.path.join(abs_dirs['abs_work_dir'], 'blobber_upload_dir')

        for key in dirs.keys():
            if key not in abs_dirs:
                abs_dirs[key] = dirs[key]
        self.abs_dirs = abs_dirs
        return self.abs_dirs

    @PreScriptAction('create-virtualenv')
    def _configure_marionette_virtualenv(self, action):
        dirs = self.query_abs_dirs()
        requirements = os.path.join(dirs['abs_test_install_dir'],
                                    'config',
                                    'marionette_requirements.txt')
        if os.access(requirements, os.F_OK):
            self.register_virtualenv_module(requirements=[requirements],
                                            two_pass=True)
        else:
            # XXX Bug 879765: Dependent modules need to be listed before parent
            # modules, otherwise they will get installed from the pypi server.
            # XXX Bug 908356: This block can be removed as soon as the
            # in-tree requirements files propagate to all active trees.
            mozbase_dir = os.path.join('tests', 'mozbase')
            self.register_virtualenv_module(
                'manifestparser', os.path.join(mozbase_dir, 'manifestdestiny'))
            for m in ('mozfile', 'mozlog', 'mozinfo', 'moznetwork', 'mozhttpd',
                      'mozcrash', 'mozinstall', 'mozdevice', 'mozprofile',
                      'mozprocess', 'mozrunner'):
                self.register_virtualenv_module(
                    m, os.path.join(mozbase_dir, m))

            self.register_virtualenv_module(
                'marionette', os.path.join('tests', 'marionette'))

    def _get_test_suite(self, is_emulator):
        """
        Determine which in tree options group to use and return the
        appropriate key.
        """
        platform = 'emulator' if is_emulator else 'desktop'
        # Currently running marionette on an emulator means webapi
        # tests. This method will need to change if this does.
        testsuite = 'webapi' if is_emulator else 'marionette'
        return '{}_{}'.format(testsuite, platform)

    def download_and_extract(self):
        super(MarionetteTest, self).download_and_extract()

        if self.config.get('emulator'):
            dirs = self.query_abs_dirs()

            self.mkdir_p(dirs['abs_emulator_dir'])
            tar = self.query_exe('tar', return_type='list')
            self.run_command(tar + ['zxf', self.installer_path],
                             cwd=dirs['abs_emulator_dir'],
                             error_list=TarErrorList,
                             halt_on_failure=True, fatal_exit_code=3)

    def install(self):
        if self.config.get('emulator'):
            self.info("Emulator tests; skipping.")
        else:
            super(MarionetteTest, self).install()

    def run_tests(self):
        """
        Run the Marionette tests
        """
        dirs = self.query_abs_dirs()

        raw_log_file = os.path.join(dirs['abs_blob_upload_dir'],
                                    'marionette_raw.log')
        error_summary_file = os.path.join(dirs['abs_blob_upload_dir'],
                                          'marionette_errorsummary.log')
        html_report_file = os.path.join(dirs['abs_blob_upload_dir'],
                                        'report.html')

        config_fmt_args = {
            # emulator builds require a longer timeout
            'timeout': 60000 if self.config.get('emulator') else 10000,
            'profile': os.path.join(dirs['abs_work_dir'], 'profile'),
            'xml_output': os.path.join(dirs['abs_work_dir'], 'output.xml'),
            'html_output': os.path.join(dirs['abs_blob_upload_dir'], 'output.html'),
            'logcat_dir': dirs['abs_work_dir'],
            'emulator': 'arm',
            'symbols_path': self.symbols_path,
            'binary': self.binary_path,
            'address': self.config.get('marionette_address'),
            'raw_log_file': raw_log_file,
            'error_summary_file': error_summary_file,
            'html_report_file': html_report_file,
            'gecko_log': dirs["abs_blob_upload_dir"],
            'this_chunk': self.config.get('this_chunk', 1),
            'total_chunks': self.config.get('total_chunks', 1)
        }

        self.info("The emulator type: %s" % config_fmt_args["emulator"])
        # build the marionette command arguments
        python = self.query_python_path('python')

        cmd = [python, '-u', os.path.join(dirs['abs_marionette_dir'],
                                          'runtests.py')]

        manifest = os.path.join(dirs['abs_marionette_tests_dir'],
                                self.config['test_manifest'])

        if self.config.get('app_arg'):
            config_fmt_args['app_arg'] = self.config['app_arg']

        if not self.config['e10s']:
            cmd.append('--disable-e10s')

        if self.config['enable_webrender']:
            cmd.append('--enable-webrender')

        cmd.extend(['--setpref={}'.format(p) for p in self.config['extra_prefs']])

        cmd.append('--gecko-log=-')

        if self.config.get("structured_output"):
            cmd.append("--log-raw=-")

        for arg in self.config["suite_definitions"][self.test_suite]["options"]:
            cmd.append(arg % config_fmt_args)

        if self.mkdir_p(dirs["abs_blob_upload_dir"]) == -1:
            # Make sure that the logging directory exists
            self.fatal("Could not create blobber upload directory")

        test_paths = json.loads(os.environ.get('MOZHARNESS_TEST_PATHS', '""'))

        if test_paths and 'marionette' in test_paths:
            paths = [os.path.join(dirs['abs_test_install_dir'], 'marionette', 'tests', p)
                     for p in test_paths['marionette']]
            cmd.extend(paths)
        else:
            cmd.append(manifest)

        try_options, try_tests = self.try_args("marionette")
        cmd.extend(self.query_tests_args(try_tests,
                                         str_format_values=config_fmt_args))

        env = {}
        if self.query_minidump_stackwalk():
            env['MINIDUMP_STACKWALK'] = self.minidump_stackwalk_path
        env['MOZ_UPLOAD_DIR'] = self.query_abs_dirs()['abs_blob_upload_dir']
        env['MINIDUMP_SAVE_PATH'] = self.query_abs_dirs()['abs_blob_upload_dir']
        env['RUST_BACKTRACE'] = 'full'

        if self.config['allow_software_gl_layers']:
            env['MOZ_LAYERS_ALLOW_SOFTWARE_GL'] = '1'

        if self.config['headless']:
            env['MOZ_HEADLESS'] = '1'
            env['MOZ_HEADLESS_WIDTH'] = self.config['headless_width']
            env['MOZ_HEADLESS_HEIGHT'] = self.config['headless_height']

        if not os.path.isdir(env['MOZ_UPLOAD_DIR']):
            self.mkdir_p(env['MOZ_UPLOAD_DIR'])
        env = self.query_env(partial_env=env)

        try:
            cwd = self._query_tests_dir()
        except Exception as e:
            self.fatal("Don't know how to run --test-suite '{0}': {1}!".format(
                self.test_suite, e))

        marionette_parser = self.parser_class(config=self.config,
                                              log_obj=self.log_obj,
                                              error_list=BaseErrorList + HarnessErrorList,
                                              strict=False)
        return_code = self.run_command(cmd,
                                       cwd=cwd,
                                       output_timeout=1000,
                                       output_parser=marionette_parser,
                                       env=env)
        level = INFO
        tbpl_status, log_level, summary = marionette_parser.evaluate_parser(
            return_code=return_code)
        marionette_parser.append_tinderboxprint_line("marionette")

        qemu = os.path.join(dirs['abs_work_dir'], 'qemu.log')
        if os.path.isfile(qemu):
            self.copyfile(qemu, os.path.join(dirs['abs_blob_upload_dir'],
                                             'qemu.log'))

        # dump logcat output if there were failures
        if self.config.get('emulator'):
            if marionette_parser.failed != "0" or 'T-FAIL' in marionette_parser.tsummary:
                logcat = os.path.join(dirs['abs_work_dir'], 'emulator-5554.log')
                if os.access(logcat, os.F_OK):
                    self.info('dumping logcat')
                    self.run_command(['cat', logcat], error_list=LogcatErrorList)
                else:
                    self.info('no logcat file found')
        else:
            # .. or gecko.log if it exists
            gecko_log = os.path.join(self.config['base_work_dir'], 'gecko.log')
            if os.access(gecko_log, os.F_OK):
                self.info('dumping gecko.log')
                self.run_command(['cat', gecko_log])
                self.rmtree(gecko_log)
            else:
                self.info('gecko.log not found')

        marionette_parser.print_summary('marionette')

        self.log("Marionette exited with return code %s: %s" % (return_code, tbpl_status),
                 level=level)
        self.record_status(tbpl_status)


if __name__ == '__main__':
    marionetteTest = MarionetteTest()
    marionetteTest.run_and_exit()