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# -*- coding: UTF-8 -*-
from dogtail.utils import isA11yEnabled, enableA11y
if isA11yEnabled() is False:
enableA11y(True)
from time import time, sleep
from functools import wraps
from os import strerror, errno, kill, system
from signal import signal, alarm, SIGALRM, SIGKILL
from subprocess import Popen
from behave import step
from gi.repository import GLib, Gio
from dogtail.rawinput import keyCombo, absoluteMotion, pressKey
from dogtail.tree import root
from dogtail.utils import run
from unittest import TestCase
# Create a dummy unittest class to have nice assertions
class dummy(TestCase):
def runTest(self): # pylint: disable=R0201
assert True
def wait_until(my_lambda, element, timeout=30, period=0.25):
"""
This function keeps running lambda with specified params until the result is True
or timeout is reached
Sample usages:
* wait_until(lambda x: x.name != 'Loading...', context.app)
Pause until window title is not 'Loading...'.
Return False if window title is still 'Loading...'
Throw an exception if window doesn't exist after default timeout
* wait_until(lambda element, expected: x.text == expected, element, ('Expected text'))
Wait until element text becomes the expected (passed to the lambda)
"""
exception_thrown = None
mustend = int(time()) + timeout
while int(time()) < mustend:
try:
if my_lambda(element):
return True
except Exception as e:
# If lambda has thrown the exception we'll re-raise it later
# and forget about if lambda passes
exception_thrown = e
sleep(period)
if exception_thrown:
raise exception_thrown
else:
return False
class TimeoutError(Exception):
"""
Timeout exception class for limit_execution_time_to function
"""
pass
def limit_execution_time_to(
seconds=10, error_message=strerror(errno.ETIME)):
"""
Decorator to limit function execution to specified limit
"""
def decorator(func):
def _handle_timeout(signum, frame):
raise TimeoutError(error_message)
def wrapper(*args, **kwargs):
signal(SIGALRM, _handle_timeout)
alarm(seconds)
try:
result = func(*args, **kwargs)
finally:
alarm(0)
return result
return wraps(func)(wrapper)
return decorator
class App(object):
"""
This class does all basic events with the app
"""
def __init__(
self, appName, shortcut='<Control><Q>', a11yAppName=None,
forceKill=True, parameters='', recordVideo=False):
"""
Initialize object App
appName command to run the app
shortcut default quit shortcut
a11yAppName app's a11y name is different than binary
forceKill is the app supposed to be kill before/after test?
parameters has the app any params needed to start? (only for startViaCommand)
recordVideo start gnome-shell recording while running the app
"""
self.appCommand = appName
self.shortcut = shortcut
self.forceKill = forceKill
self.parameters = parameters
self.internCommand = self.appCommand.lower()
self.a11yAppName = a11yAppName
self.recordVideo = recordVideo
self.pid = None
# a way of overcoming overview autospawn when mouse in 1,1 from start
pressKey('Esc')
absoluteMotion(100, 100, 2)
# attempt to make a recording of the test
if self.recordVideo:
keyCombo('<Control><Alt><Shift>R')
def isRunning(self):
"""
Is the app running?
"""
if self.a11yAppName is None:
self.a11yAppName = self.internCommand
# Trap weird bus errors
for attempt in xrange(0, 10):
try:
return self.a11yAppName in [x.name for x in root.applications()]
except GLib.GError:
continue
raise Exception("10 at-spi errors, seems that bus is blocked")
def kill(self):
"""
Kill the app via 'killall'
"""
if self.recordVideo:
keyCombo('<Control><Alt><Shift>R')
try:
kill(self.pid, SIGKILL)
except:
# Fall back to killall
Popen("killall " + self.appCommand, shell=True).wait()
def startViaCommand(self):
"""
Start the app via command
"""
if self.forceKill and self.isRunning():
self.kill()
assert not self.isRunning(), "Application cannot be stopped"
command = "%s %s" % (self.appCommand, self.parameters)
self.pid = run(command, timeout=5)
assert self.isRunning(), "Application failed to start"
return root.application(self.a11yAppName)
def closeViaShortcut(self):
"""
Close the app via shortcut
"""
if not self.isRunning():
raise Exception("App is not running")
keyCombo(self.shortcut)
assert not self.isRunning(), "Application cannot be stopped"
@step(u'Start a new Evolution instance')
def start_new_evolution_instance(context):
context.app = context.app_class.startViaCommand()
def cleanup():
# Remove cached data and settings
folders = ['~/.local/share/evolution', '~/.cache/evolution', '~/.config/evolution']
for folder in folders:
system("rm -rf %s > /dev/null" % folder)
# Clean up goa data
system("rm -rf ~/.config/goa-1.0/accounts.conf")
system("killall goa-daemon 2&> /dev/null")
# Reset GSettings
schemas = [x for x in Gio.Settings.list_schemas() if 'evolution' in x.lower()]
for schema in schemas:
system("gsettings reset-recursively %s" % schema)
# Skip warning dialog
system("gsettings set org.gnome.evolution.shell skip-warning-dialog true")
# Show switcher buttons as icons (to minimize tree scrolling)
system("gsettings set org.gnome.evolution.shell buttons-style icons")
# Skip default mailer handler dialog
system("gsettings set org.gnome.evolution.mail prompt-check-if-default-mailer false")
def check_for_errors(context):
"""Check that no error is displayed on Evolution UI"""
# Don't try to check for errors on dead app
if not context.app or context.app.dead:
return
alerts = context.app.findChildren(lambda x: x.roleName == 'alert')
if not alerts:
# alerts can also return None
return
alerts = filter(lambda x: x.showing, alerts)
if len(alerts) > 0:
labels = alerts[0].findChildren(lambda x: x.roleName == 'label')
messages = [x.name for x in labels]
if alerts[0].name != 'Error' and alerts[0].showing:
# Erase the configuration and start all over again
system("evolution --force-shutdown &> /dev/null")
# Remove previous data
folders = ['~/.local/share/evolution', '~/.cache/evolution', '~/.config/evolution']
for folder in folders:
system("rm -rf %s > /dev/null" % folder)
raise RuntimeError("Error occurred: %s" % messages)
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