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Code Issues Releases Wiki Activity

Dump hierarchy view on error

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Dump window hierarchy view from uiautomator to a file when WA fails
during execution. Note: the xml file are pre-formatted after dump.
Implementation specific to android.device.
This commit is contained in:
John Richardson 2016-08-02 16:21:47 +01:00
parent 4c94ba43ac
commit 0945dd6ba4
2 changed files with 21 additions and 0 deletions
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12
wlauto/common/android/device.py
View File

@ -22,6 +22,7 @@ import tempfile
import shutil import shutil
import threading import threading
import json import json
import xml.dom.minidom
from subprocess import CalledProcessError from subprocess import CalledProcessError
from wlauto.core.extension import Parameter from wlauto.core.extension import Parameter
@ -616,6 +617,17 @@ class AndroidDevice(BaseLinuxDevice): # pylint: disable=W0223
self.pull_file(on_device_file, filepath) self.pull_file(on_device_file, filepath)
self.delete_file(on_device_file) self.delete_file(on_device_file)
def capture_view_hierachy(self, filepath):
"""Captures the current view hierarchy into the specified file in a XML format."""
on_device_file = self.path.join(self.working_directory, 'screen_capture.xml')
self.execute('uiautomator dump {}'.format(on_device_file))
self.pull_file(on_device_file, filepath)
self.delete_file(on_device_file)
parsed_xml = xml.dom.minidom.parse(filepath)
with open(filepath, 'w') as f:
f.write(parsed_xml.toprettyxml())
def is_screen_on(self): def is_screen_on(self):
"""Returns ``True`` if the device screen is currently on, ``False`` otherwise.""" """Returns ``True`` if the device screen is currently on, ``False`` otherwise."""
output = self.execute('dumpsys power') output = self.execute('dumpsys power')

9
wlauto/core/execution.py
View File

@ -731,6 +731,13 @@ class Runner(object):
filepath = os.path.join(settings.output_directory, filename) filepath = os.path.join(settings.output_directory, filename)
self.device.capture_screen(filepath) self.device.capture_screen(filepath)
def _take_uiautomator_dump(self, filename):
if self.context.output_directory:
filepath = os.path.join(self.context.output_directory, filename)
else:
filepath = os.path.join(settings.output_directory, filename)
self.device.capture_view_hierachy(filepath)
@contextmanager @contextmanager
def _handle_errors(self, action, on_error_status=IterationResult.FAILED): def _handle_errors(self, action, on_error_status=IterationResult.FAILED):
try: try:
@ -746,6 +753,8 @@ class Runner(object):
self.current_job.result.add_event(str(we)) self.current_job.result.add_event(str(we))
try: try:
self._take_screenshot('error.png') self._take_screenshot('error.png')
if self.device.platform == 'android':
self._take_uiautomator_dump('error.xml')
except Exception, e: # pylint: disable=W0703 except Exception, e: # pylint: disable=W0703
# We're already in error state, so the fact that taking a # We're already in error state, so the fact that taking a
# screenshot failed is not surprising... # screenshot failed is not surprising...