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/* 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 testCachedRelation, testRelated */
// Load the shared-head file first.
Services.scriptloader.loadSubScript(
"chrome://mochitests/content/browser/accessible/tests/browser/shared-head.js",
this
);
// Loading and common.js from accessible/tests/mochitest/ for all tests, as
// well as promisified-events.js and relations.js.
/* import-globals-from ../../mochitest/relations.js */
loadScripts(
{ name: "common.js", dir: MOCHITESTS_DIR },
{ name: "promisified-events.js", dir: MOCHITESTS_DIR },
{ name: "relations.js", dir: MOCHITESTS_DIR }
);
/**
* Test the accessible relation.
*
* @param identifier [in] identifier to get an accessible, may be ID
* attribute or DOM element or accessible object
* @param relType [in] relation type (see constants above)
* @param relatedIdentifiers [in] identifier or array of identifiers of
* expected related accessibles
*/
async function testCachedRelation(identifier, relType, relatedIdentifiers) {
const relDescr = getRelationErrorMsg(identifier, relType);
const relDescrStart = getRelationErrorMsg(identifier, relType, true);
info(`Testing ${relDescr}`);
if (!relatedIdentifiers) {
await untilCacheOk(function () {
let r = getRelationByType(identifier, relType);
if (r) {
info(`Fetched ${r.targetsCount} relations from cache`);
} else {
info("Could not fetch relations");
}
return r && !r.targetsCount;
}, relDescrStart + " has no targets, as expected");
return;
}
const relatedIds =
relatedIdentifiers instanceof Array
? relatedIdentifiers
: [relatedIdentifiers];
await untilCacheOk(function () {
let r = getRelationByType(identifier, relType);
if (r) {
info(
`Fetched ${r.targetsCount} relations from cache, looking for ${relatedIds.length}`
);
} else {
info("Could not fetch relations");
}
return r && r.targetsCount == relatedIds.length;
}, "Found correct number of expected relations");
let targets = [];
for (let idx = 0; idx < relatedIds.length; idx++) {
targets.push(getAccessible(relatedIds[idx]));
}
if (targets.length != relatedIds.length) {
return;
}
await untilCacheOk(function () {
const relation = getRelationByType(identifier, relType);
const actualTargets = relation ? relation.getTargets() : null;
if (!actualTargets) {
info("Could not fetch relations");
return false;
}
// Check if all given related accessibles are targets of obtained relation.
for (let idx = 0; idx < targets.length; idx++) {
let isFound = false;
for (let relatedAcc of actualTargets.enumerate(Ci.nsIAccessible)) {
if (targets[idx] == relatedAcc) {
isFound = true;
break;
}
}
if (!isFound) {
info(
prettyName(relatedIds[idx]) +
" could not be found in relation: " +
relDescr
);
return false;
}
}
return true;
}, "All given related accessibles are targets of fetched relation.");
await untilCacheOk(function () {
const relation = getRelationByType(identifier, relType);
const actualTargets = relation ? relation.getTargets() : null;
if (!actualTargets) {
info("Could not fetch relations");
return false;
}
// Check if all obtained targets are given related accessibles.
for (let relatedAcc of actualTargets.enumerate(Ci.nsIAccessible)) {
let wasFound = false;
for (let idx = 0; idx < targets.length; idx++) {
if (relatedAcc == targets[idx]) {
wasFound = true;
}
}
if (!wasFound) {
info(
prettyName(relatedAcc) +
" was found, but shouldn't be in relation: " +
relDescr
);
return false;
}
}
return true;
}, "No unexpected targets found.");
}
async function testRelated(
browser,
accDoc,
attr,
hostRelation,
dependantRelation
) {
let host = findAccessibleChildByID(accDoc, "host");
let dependant1 = findAccessibleChildByID(accDoc, "dependant1");
let dependant2 = findAccessibleChildByID(accDoc, "dependant2");
/**
* Test data has the format of:
* {
* desc {String} description for better logging
* attrs {?Array} an optional list of attributes to update
* expected {Array} expected relation values for dependant1, dependant2
* and host respectively.
* }
*/
const tests = [
{
desc: "No attribute",
expected: [null, null, null],
},
{
desc: "Set attribute",
attrs: [{ key: attr, value: "dependant1" }],
expected: [host, null, dependant1],
},
{
desc: "Change attribute",
attrs: [{ key: attr, value: "dependant2" }],
expected: [null, host, dependant2],
},
{
desc: "Remove attribute",
attrs: [{ key: attr }],
expected: [null, null, null],
},
];
for (let { desc, attrs, expected } of tests) {
info(desc);
if (attrs) {
for (let { key, value } of attrs) {
await invokeSetAttribute(browser, "host", key, value);
}
}
await testCachedRelation(dependant1, dependantRelation, expected[0]);
await testCachedRelation(dependant2, dependantRelation, expected[1]);
await testCachedRelation(host, hostRelation, expected[2]);
}
}
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