def StartBrowser(cls):
# We still need to retry the browser's launch even though
# desktop_browser_finder does so too, because it wasn't possible
# to push the fetch of the first tab into the lower retry loop
# without breaking Telemetry's unit tests, and that hook is used
# to implement the gpu_integration_test_unittests.
for x in range(0, 3):
try:
super(GpuIntegrationTest, cls).StartBrowser()
cls.tab = cls.browser.tabs[0]
return
except Exception:
logging.warning('Browser start failed (attempt %d of 3)', (x + 1))
# If we are on the last try and there is an exception take a screenshot
# to try and capture more about the browser failure and raise
if x == 2:
url = screenshot.TryCaptureScreenShotAndUploadToCloudStorage(
cls.platform)
if url is not None:
logging.info("GpuIntegrationTest screenshot of browser failure " +
"located at " + url)
else:
logging.warning("GpuIntegrationTest unable to take screenshot")
raise
# Otherwise, stop the browser to make sure it's in an
# acceptable state to try restarting it.
if cls.browser:
cls.StopBrowser()
def StartBrowser(cls):
# We still need to retry the browser's launch even though
# desktop_browser_finder does so too, because it wasn't possible
# to push the fetch of the first tab into the lower retry loop
# without breaking Telemetry's unit tests, and that hook is used
# to implement the gpu_integration_test_unittests.
for x in range(1, _START_BROWSER_RETRIES +
1): # Index from 1 instead of 0.
try:
super(GpuIntegrationTest, cls).StartBrowser()
cls.tab = cls.browser.tabs[0]
return
except Exception:
logging.exception(
'Browser start failed (attempt %d of %d). Backtrace:', x,
_START_BROWSER_RETRIES)
# If we are on the last try and there is an exception take a screenshot
# to try and capture more about the browser failure and raise
if x == _START_BROWSER_RETRIES:
url = screenshot.TryCaptureScreenShotAndUploadToCloudStorage(
cls.platform)
if url is not None:
logging.info(
"GpuIntegrationTest screenshot of browser failure "
+ "located at " + url)
else:
logging.warning(
"GpuIntegrationTest unable to take screenshot.")
# Stop the browser to make sure it's in an
# acceptable state to try restarting it.
if cls.browser:
cls.StopBrowser()
# Re-raise the last exception thrown. Only happens if all the retries
# fail.
raise
def StartBrowser(cls):
for x in range(0, 3):
try:
restart = 'Starting browser, attempt %d of 3' % (x + 1)
logging.warning(restart)
super(GpuIntegrationTest, cls).StartBrowser()
cls.tab = cls.browser.tabs[0]
logging.warning('Started browser successfully.')
return
except Exception:
# If we are on the last try and there is an exception take a screenshot
# to try and capture more about the browser failure and raise
if x == 2:
url = screenshot.TryCaptureScreenShotAndUploadToCloudStorage(
cls.platform)
if url is not None:
logging.info(
"GpuIntegrationTest screenshot of browser failure "
+ "located at " + url)
else:
logging.warning(
"GpuIntegrationTest unable to take screenshot")
raise
# Otherwise, stop the browser to make sure it's in an
# acceptable state to try restarting it.
if cls.browser:
cls.StopBrowser()
def StartBrowser(cls):
for x in range(0, 3):
try:
restart = 'Starting browser, attempt %d of 3' % (x + 1)
logging.warning(restart)
super(GpuIntegrationTest, cls).StartBrowser()
return
except Exception:
# If we are on the last try and there is an exception take a screenshot
# to try and capture more about the browser failure and raise
if x == 2:
url = screenshot.TryCaptureScreenShotAndUploadToCloudStorage(
cls.platform)
if url is not None:
logging.info(
"GpuIntegrationTest screenshot of browser failure "
+ "located at " + url)
else:
logging.warning(
"GpuIntegrationTest unable to take screenshot")
raise
