File: runrobocop.py

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# 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/.

import json
import os
import posixpath
import sys
import tempfile
import traceback
from collections import defaultdict

sys.path.insert(
    0, os.path.abspath(
        os.path.realpath(
            os.path.dirname(__file__))))

from automation import Automation
from remoteautomation import RemoteAutomation, fennecLogcatFilters
from runtests import KeyValueParseError, MochitestDesktop, MessageLogger
from mochitest_options import MochitestArgumentParser

from manifestparser import TestManifest
from manifestparser.filters import chunk_by_slice
from mozdevice import ADBDevice, ADBTimeoutError
from mozprofile.cli import parse_key_value, parse_preferences
import mozfile
import mozinfo

SCRIPT_DIR = os.path.abspath(os.path.realpath(os.path.dirname(__file__)))


class RobocopTestRunner(MochitestDesktop):
    """
       A test harness for Robocop. Robocop tests are UI tests for Firefox for Android,
       based on the Robotium test framework. This harness leverages some functionality
       from mochitest, for convenience.
    """
    # Some robocop tests run for >60 seconds without generating any output.
    NO_OUTPUT_TIMEOUT = 180

    def __init__(self, options, message_logger):
        """
           Simple one-time initialization.
        """
        MochitestDesktop.__init__(self, options.flavor, vars(options))

        verbose = False
        if options.log_tbpl_level == 'debug' or options.log_mach_level == 'debug':
            verbose = True
        self.device = ADBDevice(adb=options.adbPath or 'adb',
                                device=options.deviceSerial,
                                test_root=options.remoteTestRoot,
                                verbose=verbose)

        # Check that Firefox is installed
        expected = options.app.split('/')[-1]
        if not self.device.is_app_installed(expected):
            raise Exception("%s is not installed on this device" % expected)

        options.logFile = "robocop.log"
        if options.remoteTestRoot is None:
            options.remoteTestRoot = self.device.test_root
        self.remoteProfile = posixpath.join(options.remoteTestRoot, "profile")
        self.remoteProfileCopy = posixpath.join(options.remoteTestRoot, "profile-copy")

        self.remoteModulesDir = posixpath.join(options.remoteTestRoot, "modules/")
        self.remoteConfigFile = posixpath.join(options.remoteTestRoot, "robotium.config")
        self.remoteLogFile = posixpath.join(options.remoteTestRoot, "logs", "robocop.log")

        self.options = options

        process_args = {'messageLogger': message_logger}
        self.auto = RemoteAutomation(self.device, options.remoteappname, self.remoteProfile,
                                     self.remoteLogFile, processArgs=process_args)
        self.environment = self.auto.environment

        self.remoteScreenshots = "/mnt/sdcard/Robotium-Screenshots"
        self.remoteMozLog = posixpath.join(options.remoteTestRoot, "mozlog")

        self.localLog = options.logFile
        self.localProfile = None
        self.certdbNew = True
        self.passed = 0
        self.failed = 0
        self.todo = 0

    def startup(self):
        """
           Second-stage initialization: One-time initialization which may require cleanup.
        """
        # Despite our efforts to clean up servers started by this script, in practice
        # we still see infrequent cases where a process is orphaned and interferes
        # with future tests, typically because the old server is keeping the port in use.
        # Try to avoid those failures by checking for and killing servers before
        # trying to start new ones.
        self.killNamedProc('ssltunnel')
        self.killNamedProc('xpcshell')
        procName = self.options.app.split('/')[-1]
        self.device.stop_application(procName)
        if self.device.process_exist(procName):
            self.log.warning("unable to kill %s before running tests!" % procName)
        self.device.rm(self.remoteScreenshots, force=True, recursive=True)
        self.device.rm(self.remoteMozLog, force=True, recursive=True)
        self.device.mkdir(self.remoteMozLog)
        logParent = posixpath.dirname(self.remoteLogFile)
        self.device.rm(logParent, force=True, recursive=True)
        self.device.mkdir(logParent)
        # Add Android version (SDK level) to mozinfo so that manifest entries
        # can be conditional on android_version.
        self.log.info(
            "Android sdk version '%s'; will use this to filter manifests" %
            str(self.device.version))
        mozinfo.info['android_version'] = str(self.device.version)
        if self.options.robocopApk:
            self.device.install_app(self.options.robocopApk, replace=True)
            self.log.debug("Robocop APK %s installed" %
                           self.options.robocopApk)
        # Display remote diagnostics; if running in mach, keep output terse.
        if self.options.log_mach is None:
            self.printDeviceInfo()
        self.setupLocalPaths()
        self.buildProfile()
        self.startServers(
            self.options,
            debuggerInfo=None,
            public=True)
        self.log.debug("Servers started")

    def cleanup(self):
        """
           Cleanup at end of job run.
        """
        self.log.debug("Cleaning up...")
        self.stopServers()
        self.device.stop_application(self.options.app.split('/')[-1])
        uploadDir = os.environ.get('MOZ_UPLOAD_DIR', None)
        if uploadDir:
            self.log.debug("Pulling any remote moz logs and screenshots to %s." %
                           uploadDir)
            if self.device.is_dir(self.remoteMozLog):
                self.device.pull(self.remoteMozLog, uploadDir)
            if self.device.is_dir(self.remoteScreenshots):
                self.device.pull(self.remoteScreenshots, uploadDir)
        MochitestDesktop.cleanup(self, self.options)
        if self.localProfile:
            mozfile.remove(self.localProfile)
        self.device.rm(self.remoteProfile, force=True, recursive=True)
        self.device.rm(self.remoteProfileCopy, force=True, recursive=True)
        self.device.rm(self.remoteScreenshots, force=True, recursive=True)
        self.device.rm(self.remoteMozLog, force=True, recursive=True)
        self.device.rm(self.remoteConfigFile, force=True)
        self.device.rm(self.remoteLogFile, force=True)
        self.log.debug("Cleanup complete.")

    def findPath(self, paths, filename=None):
        for path in paths:
            p = path
            if filename:
                p = os.path.join(p, filename)
            if os.path.exists(self.getFullPath(p)):
                return path
        return None

    def makeLocalAutomation(self):
        localAutomation = Automation()
        localAutomation.IS_WIN32 = False
        localAutomation.IS_LINUX = False
        localAutomation.IS_MAC = False
        localAutomation.UNIXISH = False
        hostos = sys.platform
        if (hostos == 'mac' or hostos == 'darwin'):
            localAutomation.IS_MAC = True
        elif (hostos == 'linux' or hostos == 'linux2'):
            localAutomation.IS_LINUX = True
            localAutomation.UNIXISH = True
        elif (hostos == 'win32' or hostos == 'win64'):
            localAutomation.BIN_SUFFIX = ".exe"
            localAutomation.IS_WIN32 = True
        return localAutomation

    def setupLocalPaths(self):
        """
           Setup xrePath and utilityPath and verify xpcshell.

           This is similar to switchToLocalPaths in runtestsremote.py.
        """
        localAutomation = self.makeLocalAutomation()
        paths = [
            self.options.xrePath,
            localAutomation.DIST_BIN
        ]
        self.options.xrePath = self.findPath(paths)
        if self.options.xrePath is None:
            self.log.error(
                "unable to find xulrunner path for %s, please specify with --xre-path" %
                os.name)
            sys.exit(1)
        self.log.debug("using xre path %s" % self.options.xrePath)
        xpcshell = "xpcshell"
        if (os.name == "nt"):
            xpcshell += ".exe"
        if self.options.utilityPath:
            paths = [self.options.utilityPath, self.options.xrePath]
        else:
            paths = [self.options.xrePath]
        self.options.utilityPath = self.findPath(paths, xpcshell)
        if self.options.utilityPath is None:
            self.log.error(
                "unable to find utility path for %s, please specify with --utility-path" %
                os.name)
            sys.exit(1)
        self.log.debug("using utility path %s" % self.options.utilityPath)
        xpcshell_path = os.path.join(self.options.utilityPath, xpcshell)
        if localAutomation.elf_arm(xpcshell_path):
            self.log.error('xpcshell at %s is an ARM binary; please use '
                           'the --utility-path argument to specify the path '
                           'to a desktop version.' % xpcshell_path)
            sys.exit(1)
        self.log.debug("xpcshell found at %s" % xpcshell_path)

    def buildProfile(self):
        """
           Build a profile locally, keep it locally for use by servers and
           push a copy to the remote profile-copy directory.

           This is similar to buildProfile in runtestsremote.py.
        """
        self.options.extraPrefs.append('browser.search.suggest.enabled=true')
        self.options.extraPrefs.append('browser.search.suggest.prompted=true')
        self.options.extraPrefs.append('layout.css.devPixelsPerPx=1.0')
        self.options.extraPrefs.append('browser.chrome.dynamictoolbar=false')
        self.options.extraPrefs.append('extensions.autoupdate.enabled=false')

        # Override the telemetry init delay for integration testing.
        self.options.extraPrefs.append('toolkit.telemetry.initDelay=1')

        self.options.extensionsToExclude.extend([
            'mochikit@mozilla.org',
        ])

        self.extraPrefs = parse_preferences(self.options.extraPrefs)
        if self.options.testingModulesDir:
            try:
                self.device.push(self.options.testingModulesDir, self.remoteModulesDir)
                self.device.chmod(self.remoteModulesDir, recursive=True, root=True)
            except Exception:
                self.log.error(
                    "Automation Error: Unable to copy test modules to device.")
                raise
            savedTestingModulesDir = self.options.testingModulesDir
            self.options.testingModulesDir = self.remoteModulesDir
        else:
            savedTestingModulesDir = None
        manifest = MochitestDesktop.buildProfile(self, self.options)
        if savedTestingModulesDir:
            self.options.testingModulesDir = savedTestingModulesDir
        self.localProfile = self.options.profilePath
        self.log.debug("Profile created at %s" % self.localProfile)
        # some files are not needed for robocop; save time by not pushing
        os.remove(os.path.join(self.localProfile, 'userChrome.css'))
        try:
            self.device.push(self.localProfile, self.remoteProfileCopy)
        except Exception:
            self.log.error(
                "Automation Error: Unable to copy profile to device.")
            raise

        return manifest

    def setupRemoteProfile(self):
        """
           Remove any remote profile and re-create it.
        """
        self.log.debug("Updating remote profile at %s" % self.remoteProfile)
        self.device.rm(self.remoteProfile, force=True, recursive=True)
        self.device.cp(self.remoteProfileCopy, self.remoteProfile, recursive=True)

    def parseLocalLog(self):
        """
           Read and parse the local log file, noting any failures.
        """
        with open(self.localLog) as currentLog:
            data = currentLog.readlines()
        os.unlink(self.localLog)
        start_found = False
        end_found = False
        fail_found = False
        for line in data:
            try:
                message = json.loads(line)
                if not isinstance(message, dict) or 'action' not in message:
                    continue
            except ValueError:
                continue
            if message['action'] == 'test_end':
                end_found = True
                start_found = False
                break
            if start_found and not end_found:
                if 'status' in message:
                    if 'expected' in message:
                        self.failed += 1
                    elif message['status'] == 'PASS':
                        self.passed += 1
                    elif message['status'] == 'FAIL':
                        self.todo += 1
            if message['action'] == 'test_start':
                start_found = True
            if 'expected' in message:
                fail_found = True
        result = 0
        if fail_found:
            result = 1
        if not end_found:
            self.log.info(
                "PROCESS-CRASH | Automation Error: Missing end of test marker (process crashed?)")
            result = 1
        return result

    def logTestSummary(self):
        """
           Print a summary of all tests run to stdout, for treeherder parsing
           (logging via self.log does not work here).
        """
        print("0 INFO TEST-START | Shutdown")
        print("1 INFO Passed: %s" % (self.passed))
        print("2 INFO Failed: %s" % (self.failed))
        print("3 INFO Todo: %s" % (self.todo))
        print("4 INFO SimpleTest FINISHED")
        if self.failed > 0:
            return 1
        return 0

    def printDeviceInfo(self, printLogcat=False):
        """
           Log remote device information and logcat (if requested).

           This is similar to printDeviceInfo in runtestsremote.py
        """
        try:
            if printLogcat:
                logcat = self.device.get_logcat(
                    filter_out_regexps=fennecLogcatFilters)
                for l in logcat:
                    self.log.info(l.decode('utf-8', 'replace'))
            self.log.info("Device info:")
            devinfo = self.device.get_info()
            for category in devinfo:
                if type(devinfo[category]) is list:
                    self.log.info("  %s:" % category)
                    for item in devinfo[category]:
                        self.log.info("     %s" % item)
                else:
                    self.log.info("  %s: %s" % (category, devinfo[category]))
            self.log.info("Test root: %s" % self.device.test_root)
        except ADBTimeoutError:
            raise
        except Exception as e:
            self.log.warning("Error getting device information: %s" % str(e))

    def setupRobotiumConfig(self, browserEnv):
        """
           Create robotium.config and push it to the device.
        """
        fHandle = tempfile.NamedTemporaryFile(suffix='.config',
                                              prefix='robotium-',
                                              dir=os.getcwd(),
                                              delete=False)
        fHandle.write("profile=%s\n" % self.remoteProfile)
        fHandle.write("logfile=%s\n" % self.remoteLogFile)
        fHandle.write("host=http://mochi.test:8888/tests\n")
        fHandle.write(
            "rawhost=http://%s:%s/tests\n" %
            (self.options.remoteWebServer, self.options.httpPort))
        if browserEnv:
            envstr = ""
            delim = ""
            for key, value in browserEnv.items():
                try:
                    value.index(',')
                    self.log.error("setupRobotiumConfig: browserEnv - Found a ',' "
                                   "in our value, unable to process value. key=%s,value=%s" %
                                   (key, value))
                    self.log.error("browserEnv=%s" % browserEnv)
                except ValueError:
                    envstr += "%s%s=%s" % (delim, key, value)
                    delim = ","
            fHandle.write("envvars=%s\n" % envstr)
        fHandle.close()
        self.device.rm(self.remoteConfigFile, force=True)
        self.device.push(fHandle.name, self.remoteConfigFile)
        os.unlink(fHandle.name)

    def buildBrowserEnv(self):
        """
           Return an environment dictionary suitable for remote use.

           This is similar to buildBrowserEnv in runtestsremote.py.
        """
        browserEnv = self.environment(
            xrePath=None,
            debugger=None)
        # remove desktop environment not used on device
        if "XPCOM_MEM_BLOAT_LOG" in browserEnv:
            del browserEnv["XPCOM_MEM_BLOAT_LOG"]
        browserEnv["MOZ_LOG_FILE"] = os.path.join(
            self.remoteMozLog,
            self.mozLogName)

        try:
            browserEnv.update(
                dict(
                    parse_key_value(
                        self.options.environment,
                        context='--setenv')))
        except KeyValueParseError as e:
            self.log.error(str(e))
            return None

        return browserEnv

    def runSingleTest(self, test):
        """
           Run the specified test.
        """
        self.log.debug("Running test %s" % test['name'])
        self.mozLogName = "moz-%s.log" % test['name']
        browserEnv = self.buildBrowserEnv()
        self.setupRobotiumConfig(browserEnv)
        self.setupRemoteProfile()
        self.options.app = "am"
        timeout = None

        testName = test['name'].split('/')[-1].split('.java')[0]
        if self.options.enable_coverage:
            remoteCoverageFile = posixpath.join(self.options.remoteTestRoot,
                                                'robocop-coverage-%s.ec' % testName)
            coverageFile = os.path.join(self.options.coverage_output_dir,
                                        'robocop-coverage-%s.ec' % testName)
        if self.options.autorun:
            # This launches a test (using "am instrument") and instructs
            # Fennec to /quit/ the browser (using Robocop:Quit) and to
            # /finish/ all opened activities.
            browserArgs = [
                "instrument",
            ]

            if self.options.enable_coverage:
                browserArgs += [
                    "-e", "coverage", "true",
                    "-e", "coverageFile", remoteCoverageFile,
                ]

            browserArgs += [
                "-e", "quit_and_finish", "1",
                "-e", "deviceroot", self.device.test_root,
                "-e", "class",
                "org.mozilla.gecko.tests.%s" % testName,
                "org.mozilla.roboexample.test/org.mozilla.gecko.FennecInstrumentationTestRunner",
            ]
        else:
            # This does not launch a test at all. It launches an activity
            # that starts Fennec and then waits indefinitely, since cat
            # never returns.
            browserArgs = ["start", "-n",
                           "org.mozilla.roboexample.test/org.mozilla."
                           "gecko.LaunchFennecWithConfigurationActivity", "&&", "cat"]
            timeout = sys.maxint  # Forever.

            self.log.info("")
            self.log.info("Serving mochi.test Robocop root at http://%s:%s/tests/robocop/" %
                          (self.options.remoteWebServer, self.options.httpPort))
            self.log.info("")
        result = -1
        log_result = -1
        try:
            self.device.clear_logcat()
            if not timeout:
                timeout = self.options.timeout
            if not timeout:
                timeout = self.NO_OUTPUT_TIMEOUT
            result, _ = self.auto.runApp(
                None, browserEnv, "am", self.localProfile, browserArgs,
                timeout=timeout, symbolsPath=self.options.symbolsPath)
            self.log.debug("runApp completes with status %d" % result)
            if result != 0:
                self.log.error("runApp() exited with code %s" % result)
            if self.device.is_file(self.remoteLogFile):
                self.device.pull(self.remoteLogFile, self.localLog)
                self.device.rm(self.remoteLogFile)
            log_result = self.parseLocalLog()
            if result != 0 or log_result != 0:
                # Display remote diagnostics; if running in mach, keep output
                # terse.
                if self.options.log_mach is None:
                    self.printDeviceInfo(printLogcat=True)
            if self.options.enable_coverage:
                if self.device.is_file(remoteCoverageFile):
                    self.device.pull(remoteCoverageFile, coverageFile)
                    self.device.rm(remoteCoverageFile)
                else:
                    self.log.warning("Code coverage output not found on remote device: %s" %
                                     remoteCoverageFile)

        except Exception:
            self.log.error(
                "Automation Error: Exception caught while running tests")
            traceback.print_exc()
            result = 1
        self.log.debug("Test %s completes with status %d (log status %d)" %
                       (test['name'], int(result), int(log_result)))
        return result

    def runTests(self):
        self.startup()
        if isinstance(self.options.manifestFile, TestManifest):
            mp = self.options.manifestFile
        else:
            mp = TestManifest(strict=False)
            mp.read("robocop.ini")
        filters = []
        if self.options.totalChunks:
            filters.append(
                chunk_by_slice(self.options.thisChunk, self.options.totalChunks))
        robocop_tests = mp.active_tests(
            exists=False, filters=filters, **mozinfo.info)
        if not self.options.autorun:
            # Force a single loop iteration. The iteration will start Fennec and
            # the httpd server, but not actually run a test.
            self.options.test_paths = [robocop_tests[0]['name']]
        active_tests = []
        for test in robocop_tests:
            if self.options.test_paths and test['name'] not in self.options.test_paths:
                continue
            if 'disabled' in test:
                self.log.info('TEST-INFO | skipping %s | %s' %
                              (test['name'], test['disabled']))
                continue
            active_tests.append(test)

        tests_by_manifest = defaultdict(list)
        for test in active_tests:
            tests_by_manifest[test['manifest']].append(test['name'])
        self.log.suite_start(tests_by_manifest)

        worstTestResult = None
        for test in active_tests:
            result = self.runSingleTest(test)
            if worstTestResult is None or worstTestResult == 0:
                worstTestResult = result
        if worstTestResult is None:
            self.log.warning(
                "No tests run. Did you pass an invalid TEST_PATH?")
            worstTestResult = 1
        else:
            print "INFO | runtests.py | Test summary: start."
            logResult = self.logTestSummary()
            print "INFO | runtests.py | Test summary: end."
            if worstTestResult == 0:
                worstTestResult = logResult
        return worstTestResult


def run_test_harness(parser, options):
    parser.validate(options)

    if options is None:
        raise ValueError(
            "Invalid options specified, use --help for a list of valid options")
    message_logger = MessageLogger(logger=None)
    runResult = -1
    robocop = RobocopTestRunner(options, message_logger)

    try:
        message_logger.logger = robocop.log
        message_logger.buffering = False
        robocop.message_logger = message_logger
        robocop.log.debug("options=%s" % vars(options))
        runResult = robocop.runTests()
    except KeyboardInterrupt:
        robocop.log.info("runrobocop.py | Received keyboard interrupt")
        runResult = -1
    except Exception:
        traceback.print_exc()
        robocop.log.error(
            "runrobocop.py | Received unexpected exception while running tests")
        runResult = 1
    finally:
        try:
            robocop.cleanup()
        except Exception:
            # ignore device error while cleaning up
            traceback.print_exc()
        message_logger.finish()
    return runResult


def main(args=sys.argv[1:]):
    parser = MochitestArgumentParser(app='android')
    options = parser.parse_args(args)
    return run_test_harness(parser, options)


if __name__ == "__main__":
    sys.exit(main())