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# Copyright 2015 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Unit tests for the app_ui module."""
import unittest
from xml.etree import ElementTree as element_tree
from devil import devil_env
from devil.android import app_ui
from devil.android import device_errors
from devil.utils import geometry
with devil_env.SysPath(devil_env.PYMOCK_PATH):
import mock # pylint: disable=import-error
MOCK_XML_LOADING = '''
<?xml version='1.0' encoding='UTF-8' standalone='yes' ?>
<hierarchy rotation="0">
<node bounds="[0,50][1536,178]" content-desc="Loading"
resource-id="com.example.app:id/spinner"/>
</hierarchy>
'''.strip()
MOCK_XML_LOADED = '''
<?xml version='1.0' encoding='UTF-8' standalone='yes' ?>
<hierarchy rotation="0">
<node bounds="[0,50][1536,178]" content-desc=""
resource-id="com.example.app:id/toolbar">
<node bounds="[0,58][112,170]" content-desc="Open navigation drawer"/>
<node bounds="[121,50][1536,178]"
resource-id="com.example.app:id/actionbar_custom_view">
<node bounds="[121,50][1424,178]"
resource-id="com.example.app:id/actionbar_title" text="Primary"/>
<node bounds="[1424,50][1536,178]" content-desc="Search"
resource-id="com.example.app:id/actionbar_search_button"/>
</node>
</node>
<node bounds="[0,178][576,1952]" resource-id="com.example.app:id/drawer">
<node bounds="[0,178][144,1952]"
resource-id="com.example.app:id/mini_drawer">
<node bounds="[40,254][104,318]" resource-id="com.example.app:id/avatar"/>
<node bounds="[16,354][128,466]" content-desc="Primary"
resource-id="com.example.app:id/image_view"/>
<node bounds="[16,466][128,578]" content-desc="Social"
resource-id="com.example.app:id/image_view"/>
<node bounds="[16,578][128,690]" content-desc="Promotions"
resource-id="com.example.app:id/image_view"/>
</node>
</node>
</hierarchy>
'''.strip()
class UiAppTest(unittest.TestCase):
def setUp(self):
self.device = mock.Mock()
self.device.pixel_density = 320 # Each dp pixel is 2 real pixels.
self.app = app_ui.AppUi(self.device, package='com.example.app')
self._setMockXmlScreenshots([MOCK_XML_LOADED])
def _setMockXmlScreenshots(self, xml_docs):
"""Mock self.app._GetRootUiNode to load nodes from some test xml_docs.
Each time the method is called it will return a UI node for each string
given in |xml_docs|, or rise a time out error when the list is exhausted.
"""
# pylint: disable=protected-access
def get_mock_root_ui_node(value):
if isinstance(value, Exception):
raise value
return app_ui._UiNode(
self.device, element_tree.fromstring(value), self.app.package)
xml_docs.append(device_errors.CommandTimeoutError('Timed out!'))
self.app._GetRootUiNode = mock.Mock(
side_effect=(get_mock_root_ui_node(doc) for doc in xml_docs))
def assertNodeHasAttribs(self, node, attr):
# pylint: disable=protected-access
for key, value in attr.iteritems():
self.assertEquals(node._GetAttribute(key), value)
def assertTappedOnceAt(self, x, y):
self.device.RunShellCommand.assert_called_once_with(
['input', 'tap', str(x), str(y)], check_return=True)
def testFind_byText(self):
node = self.app.GetUiNode(text='Primary')
self.assertNodeHasAttribs(node, {
'text': 'Primary',
'content-desc': None,
'resource-id': 'com.example.app:id/actionbar_title',
})
self.assertEquals(node.bounds, geometry.Rectangle([121, 50], [1424, 178]))
def testFind_byContentDesc(self):
node = self.app.GetUiNode(content_desc='Social')
self.assertNodeHasAttribs(node, {
'text': None,
'content-desc': 'Social',
'resource-id': 'com.example.app:id/image_view',
})
self.assertEquals(node.bounds, geometry.Rectangle([16, 466], [128, 578]))
def testFind_byResourceId_autocompleted(self):
node = self.app.GetUiNode(resource_id='image_view')
self.assertNodeHasAttribs(node, {
'content-desc': 'Primary',
'resource-id': 'com.example.app:id/image_view',
})
def testFind_byResourceId_absolute(self):
node = self.app.GetUiNode(resource_id='com.example.app:id/image_view')
self.assertNodeHasAttribs(node, {
'content-desc': 'Primary',
'resource-id': 'com.example.app:id/image_view',
})
def testFind_byMultiple(self):
node = self.app.GetUiNode(resource_id='image_view',
content_desc='Promotions')
self.assertNodeHasAttribs(node, {
'content-desc': 'Promotions',
'resource-id': 'com.example.app:id/image_view',
})
self.assertEquals(node.bounds, geometry.Rectangle([16, 578], [128, 690]))
def testFind_notFound(self):
node = self.app.GetUiNode(resource_id='does_not_exist')
self.assertIsNone(node)
def testFind_noArgsGiven(self):
# Same exception given by Python for a function call with not enough args.
with self.assertRaises(TypeError):
self.app.GetUiNode()
def testGetChildren(self):
node = self.app.GetUiNode(resource_id='mini_drawer')
self.assertNodeHasAttribs(
node[0], {'resource-id': 'com.example.app:id/avatar'})
self.assertNodeHasAttribs(node[1], {'content-desc': 'Primary'})
self.assertNodeHasAttribs(node[2], {'content-desc': 'Social'})
self.assertNodeHasAttribs(node[3], {'content-desc': 'Promotions'})
with self.assertRaises(IndexError):
# pylint: disable=pointless-statement
node[4]
def testTap_center(self):
node = self.app.GetUiNode(content_desc='Open navigation drawer')
node.Tap()
self.assertTappedOnceAt(56, 114)
def testTap_topleft(self):
node = self.app.GetUiNode(content_desc='Open navigation drawer')
node.Tap(geometry.Point(0, 0))
self.assertTappedOnceAt(0, 58)
def testTap_withOffset(self):
node = self.app.GetUiNode(content_desc='Open navigation drawer')
node.Tap(geometry.Point(10, 20))
self.assertTappedOnceAt(10, 78)
def testTap_withOffsetInDp(self):
node = self.app.GetUiNode(content_desc='Open navigation drawer')
node.Tap(geometry.Point(10, 20), dp_units=True)
self.assertTappedOnceAt(20, 98)
def testTap_dpUnitsIgnored(self):
node = self.app.GetUiNode(content_desc='Open navigation drawer')
node.Tap(dp_units=True)
self.assertTappedOnceAt(56, 114) # Still taps at center.
@mock.patch('time.sleep', mock.Mock())
def testWaitForUiNode_found(self):
self._setMockXmlScreenshots(
[MOCK_XML_LOADING, MOCK_XML_LOADING, MOCK_XML_LOADED])
node = self.app.WaitForUiNode(resource_id='actionbar_title')
self.assertNodeHasAttribs(node, {'text': 'Primary'})
@mock.patch('time.sleep', mock.Mock())
def testWaitForUiNode_notFound(self):
self._setMockXmlScreenshots(
[MOCK_XML_LOADING, MOCK_XML_LOADING, MOCK_XML_LOADING])
with self.assertRaises(device_errors.CommandTimeoutError):
self.app.WaitForUiNode(resource_id='actionbar_title')
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