# Licensed under the Apache License, Version 2.0 (the "License"); you may # not use this file except in compliance with the License. You may obtain # a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. import contextlib import logging import os import shutil import socket import subprocess import tempfile import time import traceback from django.test import tag from oslo_utils import uuidutils from selenium.webdriver.common import action_chains from selenium.webdriver.common import by from selenium.webdriver.common import keys from six import StringIO import testtools import xvfbwrapper from horizon.test import webdriver from openstack_dashboard.test.integration_tests import config from openstack_dashboard.test.integration_tests.pages import loginpage from openstack_dashboard.test.integration_tests.regions import messages from openstack_dashboard.test.integration_tests.video_recorder import \ VideoRecorder # Set logging level to DEBUG for all logger here # so that lower level messages are output even before starting tests. ROOT_LOGGER = logging.getLogger() ROOT_LOGGER.setLevel(logging.DEBUG) LOG = logging.getLogger(__name__) IS_SELENIUM_HEADLESS = os.environ.get('SELENIUM_HEADLESS', False) ROOT_PATH = os.path.dirname(os.path.abspath(config.__file__)) SCREEN_SIZE = (None, None) if not subprocess.call('which xdpyinfo > /dev/null 2>&1', shell=True): try: SCREEN_SIZE = subprocess.check_output('xdpyinfo | grep dimensions', shell=True).split()[1].split('x') except subprocess.CalledProcessError: LOG.info("Can't run 'xdpyinfo'") else: LOG.info("X11 isn't installed. Should use xvfb to run tests.") def gen_random_resource_name(resource="", timestamp=True): """Generate random resource name using uuid and timestamp. Input fields are usually limited to 255 or 80 characters hence their provide enough space for quite long resource names, but it might be the case that maximum field length is quite restricted, it is then necessary to consider using shorter resource argument or avoid using timestamp by setting timestamp argument to False. """ fields = ["horizon"] if resource: fields.append(resource) if timestamp: tstamp = time.strftime("%d-%m-%H-%M-%S") fields.append(tstamp) fields.append(uuidutils.generate_uuid(dashed=False)) return "_".join(fields) @contextlib.contextmanager def gen_temporary_file(name='', suffix='.qcow2', size=10485760): """Generate temporary file with provided parameters. :param name: file name except the extension /suffix :param suffix: file extension/suffix :param size: size of the file to create, bytes are generated randomly :return: path to the generated file """ with tempfile.NamedTemporaryFile(prefix=name, suffix=suffix) as tmp_file: tmp_file.write(os.urandom(size)) yield tmp_file.name class AssertsMixin(object): def assertSequenceTrue(self, actual): return self.assertEqual(list(actual), [True] * len(actual)) def assertSequenceFalse(self, actual): return self.assertEqual(list(actual), [False] * len(actual)) @tag('integration') class BaseTestCase(testtools.TestCase): CONFIG = config.get_config() def setUp(self): self._configure_log() self.addOnException( lambda exc_info: setattr(self, '_need_attach_test_log', True)) def cleanup(): if getattr(self, '_need_attach_test_log', None): self._attach_test_log() self.addCleanup(cleanup) width, height = SCREEN_SIZE display = '0.0' # Start a virtual display server for running the tests headless. if IS_SELENIUM_HEADLESS: width, height = 1920, 1080 self.vdisplay = xvfbwrapper.Xvfb(width=width, height=height) args = [] # workaround for memory leak in Xvfb taken from: # http://blog.jeffterrace.com/2012/07/xvfb-memory-leak-workaround.html args.append("-noreset") # disables X access control args.append("-ac") if hasattr(self.vdisplay, 'extra_xvfb_args'): # xvfbwrapper 0.2.8 or newer self.vdisplay.extra_xvfb_args.extend(args) else: self.vdisplay.xvfb_cmd.extend(args) self.vdisplay.start() display = self.vdisplay.new_display self.addCleanup(self.vdisplay.stop) self.video_recorder = VideoRecorder(width, height, display=display) self.video_recorder.start() self.addOnException( lambda exc_info: setattr(self, '_need_attach_video', True)) def cleanup(): self.video_recorder.stop() if getattr(self, '_need_attach_video', None): self._attach_video() else: self.video_recorder.clear() self.addCleanup(cleanup) # Increase the default Python socket timeout from nothing # to something that will cope with slow webdriver startup times. # This *just* affects the communication between this test process # and the webdriver. socket.setdefaulttimeout(60) # Start the Selenium webdriver and setup configuration. desired_capabilities = dict(webdriver.desired_capabilities) desired_capabilities['loggingPrefs'] = {'browser': 'ALL'} self.driver = webdriver.WebDriverWrapper( desired_capabilities=desired_capabilities ) if self.CONFIG.selenium.maximize_browser: self.driver.maximize_window() if IS_SELENIUM_HEADLESS: # force full screen in xvfb self.driver.set_window_size(width, height) self.driver.implicitly_wait(self.CONFIG.selenium.implicit_wait) self.driver.set_page_load_timeout( self.CONFIG.selenium.page_timeout) self.addOnException(self._attach_page_source) self.addOnException(self._attach_screenshot) self.addOnException( lambda exc_info: setattr(self, '_need_attach_browser_log', True)) def cleanup(): if getattr(self, '_need_attach_browser_log', None): self._attach_browser_log() self.driver.quit() self.addCleanup(cleanup) super(BaseTestCase, self).setUp() def addOnException(self, exception_handler): def wrapped_handler(exc_info): if issubclass(exc_info[0], testtools.testcase.TestSkipped): return return exception_handler(exc_info) super(BaseTestCase, self).addOnException(wrapped_handler) def __hash__(self): return hash((type(self), self._testMethodName)) def _configure_log(self): """Configure log to capture test logs include selenium logs. This allows us to attach them if test will be broken. """ # clear other handlers to set target handler ROOT_LOGGER.handlers[:] = [] self._log_buffer = StringIO() stream_handler = logging.StreamHandler(stream=self._log_buffer) stream_handler.setLevel(logging.DEBUG) formatter = logging.Formatter( '%(asctime)s - %(name)s - %(levelname)s - %(message)s') stream_handler.setFormatter(formatter) ROOT_LOGGER.addHandler(stream_handler) @property def _test_report_dir(self): report_dir = os.path.join(ROOT_PATH, 'test_reports', '{}.{}'.format(self.__class__.__name__, self._testMethodName)) if not os.path.isdir(report_dir): os.makedirs(report_dir) return report_dir def _attach_page_source(self, exc_info): source_path = os.path.join(self._test_report_dir, 'page.html') with self.log_exception("Attach page source"): with open(source_path, 'w') as f: f.write(self._get_page_html_source()) def _attach_screenshot(self, exc_info): screen_path = os.path.join(self._test_report_dir, 'screenshot.png') with self.log_exception("Attach screenshot"): self.driver.get_screenshot_as_file(screen_path) def _attach_video(self, exc_info=None): with self.log_exception("Attach video"): if not os.path.isfile(self.video_recorder.file_path): LOG.warning("Can't find video %s", self.video_recorder.file_path) return shutil.move(self.video_recorder.file_path, os.path.join(self._test_report_dir, 'video.mp4')) def _attach_browser_log(self, exc_info=None): browser_log_path = os.path.join(self._test_report_dir, 'browser.log') with self.log_exception("Attach browser log"): with open(browser_log_path, 'w') as f: f.write( self._unwrap_browser_log(self.driver.get_log('browser'))) def _attach_test_log(self, exc_info=None): test_log_path = os.path.join(self._test_report_dir, 'test.log') with self.log_exception("Attach test log"): with open(test_log_path, 'w') as f: f.write(self._log_buffer.getvalue().encode('utf-8')) @contextlib.contextmanager def log_exception(self, label): try: yield except Exception: self.addDetail( label, testtools.content.text_content(traceback.format_exc())) @staticmethod def _unwrap_browser_log(_log): def rec(log): if isinstance(log, dict): return log['message'].encode('utf-8') elif isinstance(log, list): return '\n'.join([rec(item) for item in log]) else: return log.encode('utf-8') return rec(_log) def zoom_out(self, times=3): """Zooming out a specified element. It prevents different elements being driven out of xvfb viewport (which in Selenium>=2.50.1 prevents interaction with them). """ html = self.driver.find_element(by.By.TAG_NAME, 'html') html.send_keys(keys.Keys.NULL) zoom_out_keys = (keys.Keys.SUBTRACT,) * times action_chains.ActionChains(self.driver).key_down( keys.Keys.CONTROL).send_keys(*zoom_out_keys).key_up( keys.Keys.CONTROL).perform() def _get_page_html_source(self): """Gets html page source. self.driver.page_source is not used on purpose because it does not display html code generated/changed by javascript. """ html_elem = self.driver.find_element_by_tag_name("html") return html_elem.get_attribute("innerHTML").encode("utf-8") @tag('integration') class TestCase(BaseTestCase, AssertsMixin): TEST_USER_NAME = BaseTestCase.CONFIG.identity.username TEST_PASSWORD = BaseTestCase.CONFIG.identity.password HOME_PROJECT = BaseTestCase.CONFIG.identity.home_project def setUp(self): super(TestCase, self).setUp() self.login_pg = loginpage.LoginPage(self.driver, self.CONFIG) self.login_pg.go_to_login_page() # TODO(schipiga): lets check that tests work without viewport changing, # otherwise will uncomment. # self.zoom_out() self.home_pg = self.login_pg.login(self.TEST_USER_NAME, self.TEST_PASSWORD) self.home_pg.change_project(self.HOME_PROJECT) self.assertTrue( self.home_pg.find_message_and_dismiss(messages.SUCCESS)) self.assertFalse( self.home_pg.find_message_and_dismiss(messages.ERROR)) def cleanup(): if self.home_pg.is_logged_in: self.home_pg.go_to_home_page() self.home_pg.log_out() self.addCleanup(cleanup) class AdminTestCase(TestCase, AssertsMixin): TEST_USER_NAME = TestCase.CONFIG.identity.admin_username TEST_PASSWORD = TestCase.CONFIG.identity.admin_password HOME_PROJECT = BaseTestCase.CONFIG.identity.admin_home_project def setUp(self): super(AdminTestCase, self).setUp() self.home_pg.go_to_admin_overviewpage()