virt-manager/tests/uitests/utils.py

516 lines
17 KiB
Python

# This work is licensed under the GNU GPLv2 or later.
# See the COPYING file in the top-level directory.
import os
import re
import time
import signal
import subprocess
import sys
import unittest
from gi.repository import Gio
from gi.repository import Gdk
import pyatspi
import dogtail.utils
from virtinst import log
import tests
if not dogtail.utils.isA11yEnabled():
print("Enabling gsettings accessibility")
dogtail.utils.enableA11y()
# This will trigger an error if accessibility isn't enabled
import dogtail.tree # pylint: disable=wrong-import-order,ungrouped-imports
class UITestCase(unittest.TestCase):
"""
Common testcase bits shared for ui tests
"""
def setUp(self):
self.app = VMMDogtailApp(tests.utils.URIs.test_full)
def tearDown(self):
self.app.stop()
_default_vmname = "test-many-devices"
# Helpers to save testfile imports
@staticmethod
def sleep(*args, **kwargs):
return time.sleep(*args, **kwargs)
@staticmethod
def pressKey(*args, **kwargs):
return dogtail.rawinput.pressKey(*args, **kwargs)
def holdKey(self, keyName):
# From dogtail 9.9.0 which isn't widely distributed yet
code = dogtail.rawinput.keyNameToKeyCode(keyName)
pyatspi.Registry().generateKeyboardEvent(
code, None, pyatspi.KEY_PRESS)
def releaseKey(self, keyName):
# From dogtail 9.9.0 which isn't widely distributed yet
code = dogtail.rawinput.keyNameToKeyCode(keyName)
pyatspi.Registry().generateKeyboardEvent(
code, None, pyatspi.KEY_RELEASE)
def point(self, x, y):
# From dogtail 9.9.0 which isn't widely distributed yet
pyatspi.Registry().generateMouseEvent(x, y, 'abs')
#################################
# virt-manager specific helpers #
#################################
def _open_host_window(self, tab, conn_label="test testdriver.xml"):
"""
Helper to open host connection window and switch to a tab
"""
self.app.root.find_fuzzy(conn_label, "table cell").click()
self.app.root.find_fuzzy("Edit", "menu").click()
self.app.root.find_fuzzy("Connection Details", "menu item").click()
win = self.app.root.find_fuzzy(
"%s Connection Details" % conn_label, "frame")
win.find_fuzzy(tab, "page tab").click()
return win
def _open_details_window(self, vmname=None, shutdown=False,
double=False):
if vmname is None:
vmname = self._default_vmname
if double:
self.app.root.find_fuzzy(vmname, "table cell").doubleClick()
else:
self.app.root.find_fuzzy(vmname, "table cell").click(button=3)
self.app.root.find("Open", "menu item").click()
win = self.app.root.find("%s on" % vmname, "frame")
win.find("Details", "radio button").click()
if shutdown:
win.find("Shut Down", "push button").click()
run = win.find("Run", "push button")
check_in_loop(lambda: run.sensitive)
return win
def _walkUIList(self, win, lst, error_cb, reverse=False):
"""
Toggle down through a UI list like addhardware, net/storage/iface
lists, and ensure an error isn't raised.
"""
# Walk the lst UI and find all labelled table cells, these are
# the actual list entries
all_cells = lst.findChildren(lambda w: w.roleName == "table cell")
if reverse:
all_cells.reverse()
all_cells[0].click()
cells_per_selection = len([c for c in all_cells if c.focused])
idx = 0
while idx < len(all_cells):
cell = all_cells[idx]
if not cell.state_selected:
# Could be a separator table cell. Try to figure it out
if not any([c.name for c in
all_cells[idx:(idx + cells_per_selection)]]):
idx += cells_per_selection
continue
self.assertTrue(cell.state_selected)
dogtail.rawinput.pressKey(reverse and "Up" or "Down")
if not win.active:
# Should mean an error dialog popped up
self.app.root.find("Error", "alert")
raise AssertionError("Error dialog raised?")
if error_cb():
raise AssertionError("Error found on a page")
idx += cells_per_selection
if idx >= len(all_cells):
# Last cell, selection shouldn't have changed
self.assertTrue(cell.state_selected)
else:
self.assertTrue(not cell.state_selected)
def _test_xmleditor_interactions(self, win, finish):
"""
Helper to test some common XML editor interactions
"""
# Click the tab, make a bogus XML edit
win.find("XML", "page tab").click()
xmleditor = win.find("XML editor")
xmleditor.text = xmleditor.text.replace("<", "<FOO", 1)
# Trying to click away should warn that there's unapplied changes
win.find("Details", "page tab").click()
alert = self.app.root.find("vmm dialog")
alert.find_fuzzy("changes will be lost")
# Select 'No', meaning don't abandon changes
alert.find("No", "push button").click()
check_in_loop(lambda: xmleditor.showing)
# Click the finish button, but our bogus change should trigger error
finish.click()
alert = self.app.root.find("vmm dialog")
alert.find_fuzzy("(xmlParseDoc|tag mismatch)")
alert.find("Close", "push button").click()
# Try unapplied changes again, this time abandon our changes
win.find("Details", "page tab").click()
alert = self.app.root.find("vmm dialog")
alert.find("Yes", "push button").click()
check_in_loop(lambda: not xmleditor.showing)
class _FuzzyPredicate(dogtail.predicate.Predicate):
"""
Object dogtail/pyatspi want for node searching.
"""
def __init__(self, name=None, roleName=None, labeller_text=None):
"""
:param name: Match node.name or node.labeller.text if
labeller_text not specified
:param roleName: Match node.roleName
:param labeller_text: Match node.labeller.text
"""
self._name = name
self._roleName = roleName
self._labeller_text = labeller_text
self._name_pattern = None
self._role_pattern = None
self._labeller_pattern = None
if self._name:
self._name_pattern = re.compile(self._name)
if self._roleName:
self._role_pattern = re.compile(self._roleName)
if self._labeller_text:
self._labeller_pattern = re.compile(self._labeller_text)
def makeScriptMethodCall(self, isRecursive):
ignore = isRecursive
return
def makeScriptVariableName(self):
return
def describeSearchResult(self, node=None):
if not node:
return ""
return node.node_string()
def satisfiedByNode(self, node):
"""
The actual search routine
"""
try:
if self._roleName and not self._role_pattern.match(node.roleName):
return
labeller = ""
if node.labeller:
labeller = node.labeller.text
if (self._name and
not self._name_pattern.match(node.name) and
not self._name_pattern.match(labeller)):
return
if (self._labeller_text and
not self._labeller_pattern.match(labeller)):
return
return True
except Exception as e:
log.debug(
"got predicate exception name=%s role=%s labeller=%s: %s",
self._name, self._roleName, self._labeller_text, e)
def check_in_loop(func, timeout=2):
"""
Run the passed func in a loop every .1 seconds until timeout is hit or
the func returns True.
"""
start_time = time.time()
interval = 0.1
while True:
if func() is True:
return
if (time.time() - start_time) > timeout:
raise RuntimeError("Loop condition wasn't met")
time.sleep(interval)
def drag(win, x, y):
"""
Drag a window to the x/y coordinates
"""
win.click()
clickX = win.position[0] + win.size[0] / 2
clickY = win.position[1] + 10
dogtail.rawinput.drag((clickX, clickY), (x, y))
class VMMDogtailNode(dogtail.tree.Node):
"""
Our extensions to the dogtail node wrapper class.
"""
# The class hackery means pylint can't figure this class out
# pylint: disable=no-member
@property
def active(self):
"""
If the window is the raised and active window or not
"""
return self.getState().contains(pyatspi.STATE_ACTIVE)
@property
def state_selected(self):
return self.getState().contains(pyatspi.STATE_SELECTED)
@property
def onscreen(self):
# We need to check that full widget is on screen because we use this
# function to check whether we can click a widget. We may click
# anywhere within the widget and clicks outside the screen bounds are
# silently ignored.
if self.roleName in ["menu", "menu item", "frame"]:
return True
screen = Gdk.Screen.get_default()
return (self.position[0] > 0 and
self.position[0] + self.size[0] < screen.get_width() and
self.position[1] > 0 and
self.position[1] + self.size[1] < screen.get_height())
def click_secondary_icon(self):
"""
Helper for clicking the secondary icon of a text entry
"""
button = 1
clickX = self.position[0] + self.size[0] - 10
clickY = self.position[1] + (self.size[1] / 2)
dogtail.rawinput.click(clickX, clickY, button)
def click_combo_entry(self):
"""
Helper for clicking the arrow of a combo entry, to expose the menu.
Clicks middle of Y axis, but 1/10th of the height from the right side.
Using a small, hardcoded offset may not work on some themes (e.g. when
running virt-manager on KDE)
"""
button = 1
clickX = self.position[0] + self.size[0] - self.size[1] / 4
clickY = self.position[1] + self.size[1] / 2
dogtail.rawinput.click(clickX, clickY, button)
def click_expander(self):
"""
Helper for clicking expander, hitting the text part to actually
open it. Basically clicks top left corner with some indent
"""
button = 1
clickX = self.position[0] + 10
clickY = self.position[1] + 5
dogtail.rawinput.click(clickX, clickY, button)
def click(self, *args, **kwargs):
"""
click wrapper, give up to a second for widget to appear on
screen, helps reduce some test flakiness
"""
# pylint: disable=arguments-differ
check_in_loop(lambda: self.onscreen)
dogtail.tree.Node.click(self, *args, **kwargs)
def bring_on_screen(self, key_name="Down", max_tries=100):
"""
Attempts to bring the item to screen by repeatedly clicking the given
key. Raises exception if max_tries attempts are exceeded.
"""
cur_try = 0
while not self.onscreen:
dogtail.rawinput.pressKey(key_name)
cur_try += 1
if cur_try > max_tries:
raise RuntimeError("Could not bring widget on screen")
return self
#########################
# Widget search helpers #
#########################
def find(self, name, roleName=None, labeller_text=None, check_active=True):
"""
Search root for any widget that contains the passed name/role regex
strings.
"""
pred = _FuzzyPredicate(name, roleName, labeller_text)
try:
ret = self.findChild(pred)
except dogtail.tree.SearchError:
raise dogtail.tree.SearchError("Didn't find widget with name='%s' "
"roleName='%s' labeller_text='%s'" %
(name, roleName, labeller_text))
# Wait for independent windows to become active in the window manager
# before we return them. This ensures the window is actually onscreen
# so it sidesteps a lot of race conditions
if ret.roleName in ["frame", "dialog", "alert"] and check_active:
check_in_loop(lambda: ret.active)
return ret
def find_fuzzy(self, name, roleName=None, labeller_text=None):
"""
Search root for any widget that contains the passed name/role strings.
"""
name_pattern = None
role_pattern = None
labeller_pattern = None
if name:
name_pattern = ".*%s.*" % name
if roleName:
role_pattern = ".*%s.*" % roleName
if labeller_text:
labeller_pattern = ".*%s.*" % labeller_text
return self.find(name_pattern, role_pattern, labeller_pattern)
#####################
# Debugging helpers #
#####################
def node_string(self):
msg = "name='%s' roleName='%s'" % (self.name, self.roleName)
if self.labeller:
msg += " labeller.text='%s'" % self.labeller.text
return msg
def fmt_nodes(self):
strs = []
def _walk(node):
try:
strs.append(node.node_string())
except Exception as e:
strs.append("got exception: %s" % e)
self.findChildren(_walk, isLambda=True)
return "\n".join(strs)
def print_nodes(self):
"""
Helper to print the entire node tree for the passed root. Useful
if to figure out the roleName for the object you are looking for
"""
print(self.fmt_nodes())
# This is the same hack dogtail uses to extend the Accessible class.
_bases = list(pyatspi.Accessibility.Accessible.__bases__)
_bases.insert(_bases.index(dogtail.tree.Node), VMMDogtailNode)
_bases.remove(dogtail.tree.Node)
pyatspi.Accessibility.Accessible.__bases__ = tuple(_bases)
class VMMDogtailApp(object):
"""
Wrapper class to simplify dogtail app handling
"""
def __init__(self, uri):
self._proc = None
self._root = None
self._topwin = None
self.uri = uri
@property
def root(self):
if self._root is None:
self.open()
return self._root
@property
def topwin(self):
if self._topwin is None:
self.open()
return self._topwin
def error_if_already_running(self):
# Ensure virt-manager isn't already running
dbus = Gio.DBusProxy.new_sync(
Gio.bus_get_sync(Gio.BusType.SESSION, None), 0, None,
"org.freedesktop.DBus", "/org/freedesktop/DBus",
"org.freedesktop.DBus", None)
if "org.virt-manager.virt-manager" in dbus.ListNames():
raise RuntimeError("virt-manager is already running. "
"Close it before running this test suite.")
def is_running(self):
return bool(self._proc and self._proc.poll() is None)
def open(self, extra_opts=None, check_already_running=True, use_uri=True,
window_name=None, xmleditor_enabled=False):
extra_opts = extra_opts or []
if tests.utils.clistate.debug:
stdout = sys.stdout
stderr = sys.stderr
extra_opts.append("--debug")
else:
stdout = open(os.devnull)
stderr = open(os.devnull)
cmd = [sys.executable]
if tests.utils.clistate.use_coverage:
cmd += ["-m", "coverage", "run", "--append",
"--omit", "/usr/*",
"--omit", "*/virtinst/*"]
cmd += [os.path.join(os.getcwd(), "virt-manager"),
"--test-first-run",
"--no-fork"]
if use_uri:
cmd += ["--connect", self.uri]
if xmleditor_enabled:
cmd += ["--test-options=xmleditor-enabled"]
cmd += extra_opts
if check_already_running:
self.error_if_already_running()
self._proc = subprocess.Popen(cmd, stdout=stdout, stderr=stderr)
self._root = dogtail.tree.root.application("virt-manager")
self._topwin = self._root.find(window_name, "(frame|dialog|alert)")
def stop(self):
"""
Try graceful process shutdown, then kill it
"""
if not self._proc:
return
try:
self._proc.send_signal(signal.SIGINT)
except Exception:
log.debug("Error terminating process", exc_info=True)
self._proc = None
return
# Wait for shutdown for 1 second, with 20 checks
for ignore in range(20):
time.sleep(.05)
if self._proc.poll() is not None:
self._proc = None
return
log.warning("App didn't exit gracefully from SIGINT. Killing...")
try:
self._proc.kill()
finally:
time.sleep(1)
self._proc = None