/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
/* exported definePyVar, assignPyVarToUiaWithId, setUpWaitForUiaEvent, setUpWaitForUiaPropEvent, waitForUiaEvent, testPatternSupported, testPatternAbsent, testPythonRaises, isUiaElementArray */
// Load the shared-head file first.
Services.scriptloader.loadSubScript(
"chrome://mochitests/content/browser/accessible/tests/browser/shared-head.js",
this
);
// Loading helpers from accessible/tests/mochitest/ for all tests, as
// well as events.js and layout.js.
loadScripts(
{ name:
"common.js", dir: MOCHITESTS_DIR },
{ name:
"events.js", dir: MOCHITESTS_DIR },
{ name:
"layout.js", dir: MOCHITESTS_DIR }
);
/**
* Define a global Python variable and assign it to a given Python expression.
*/
function definePyVar(varName, expression) {
return runPython(`
global ${varName}
${varName} = ${expression}
`);
}
/**
* Get the UIA element with the given id and assign it to a global Python
* variable using the id as the variable name.
*/
function assignPyVarToUiaWithId(id) {
return definePyVar(id, `findUiaByDomId(doc,
"${id}")`);
}
/**
* Set up to wait for a UIA event. You must await this before performing the
* action which fires the event.
*/
function setUpWaitForUiaEvent(eventName, id) {
return definePyVar(
"onEvent",
`WaitForUiaEvent(eventId=UIA_${eventName}EventId, match=
"${id}")`
);
}
/**
* Set up to wait for a UIA property change event. You must await this before
* performing the action which fires the event.
*/
function setUpWaitForUiaPropEvent(propName, id) {
return definePyVar(
"onEvent",
`WaitForUiaEvent(property=UIA_${propName}PropertyId, match=
"${id}")`
);
}
/**
* Wait for the event requested in setUpWaitForUia*Event. The data for the
* matching event will be placed in a Python global named `event`. We do this
* rather than just returning the data because some event data can't be
* serialized to JSON.
*/
function waitForUiaEvent() {
return runPython(`
global event
event = onEvent.wait()
`);
}
/**
* Verify that a UIA element supports the given control pattern.
*/
async
function testPatternSupported(id, patternName) {
const hasPattern = await runPython(`
el = findUiaByDomId(doc,
"${id}")
return bool(getUiaPattern(el,
"${patternName}"))
`);
ok(hasPattern, `${id} has ${patternName} pattern`);
}
/**
* Verify that a UIA element does *not* support the given control pattern.
*/
async
function testPatternAbsent(id, patternName) {
const hasPattern = await runPython(`
el = findUiaByDomId(doc,
"${id}")
return bool(getUiaPattern(el,
"${patternName}"))
`);
ok(!hasPattern, `${id} doesn
't have ${patternName} pattern`);
}
/**
* Verify that a Python expression raises an exception.
*/
async
function testPythonRaises(expression, message) {
let failed =
false;
try {
await runPython(expression);
}
catch {
failed =
true;
}
ok(failed, message);
}
/**
* Verify that an array of UIA elements contains (only) elements with the given
* DOM ids.
*/
async
function isUiaElementArray(pyExpr, ids, message) {
const result = await runPython(`
uias = (${pyExpr})
return [uias.GetElement(i).CurrentAutomationId
for i in range(uias.Length)]
`);
SimpleTest.isDeeply(result, ids, message);
}