зеркало из https://github.com/mozilla/gecko-dev.git
87 строки
2.7 KiB
JavaScript
87 строки
2.7 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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'use strict';
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/* global RELATION_LABELLED_BY, RELATION_LABEL_FOR, RELATION_DESCRIBED_BY,
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RELATION_DESCRIPTION_FOR, RELATION_CONTROLLER_FOR,
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RELATION_CONTROLLED_BY, RELATION_FLOWS_TO, RELATION_FLOWS_FROM */
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loadScripts({ name: 'relations.js', dir: MOCHITESTS_DIR });
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/**
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* A test specification that has the following format:
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* [
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* attr relevant aria attribute
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* hostRelation corresponding host relation type
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* dependantRelation corresponding dependant relation type
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* ]
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*/
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const attrRelationsSpec = [
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['aria-labelledby', RELATION_LABELLED_BY, RELATION_LABEL_FOR],
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['aria-describedby', RELATION_DESCRIBED_BY, RELATION_DESCRIPTION_FOR],
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['aria-controls', RELATION_CONTROLLER_FOR, RELATION_CONTROLLED_BY],
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['aria-flowto', RELATION_FLOWS_TO, RELATION_FLOWS_FROM]
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];
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function* testRelated(browser, accDoc, attr, hostRelation, dependantRelation) {
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let host = findAccessibleChildByID(accDoc, 'host');
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let dependant1 = findAccessibleChildByID(accDoc, 'dependant1');
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let dependant2 = findAccessibleChildByID(accDoc, 'dependant2');
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/**
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* Test data has the format of:
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* {
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* desc {String} description for better logging
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* attrs {?Array} an optional list of attributes to update
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* expected {Array} expected relation values for dependant1, dependant2
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* and host respectively.
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* }
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*/
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const tests = [{
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desc: 'No attribute',
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expected: [ null, null, null ]
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}, {
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desc: 'Set attribute',
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attrs: [{ key: attr, value: 'dependant1' }],
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expected: [ host, null, dependant1 ]
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}, {
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desc: 'Change attribute',
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attrs: [{ key: attr, value: 'dependant2' }],
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expected: [ null, host, dependant2 ]
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}, {
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desc: 'Remove attribute',
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attrs: [{ key: attr }],
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expected: [ null, null, null ]
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}];
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for (let { desc, attrs, expected } of tests) {
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info(desc);
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if (attrs) {
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for (let { key, value } of attrs) {
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yield invokeSetAttribute(browser, 'host', key, value);
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}
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}
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testRelation(dependant1, dependantRelation, expected[0]);
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testRelation(dependant2, dependantRelation, expected[1]);
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testRelation(host, hostRelation, expected[2]);
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}
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}
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/**
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* Test caching of relations between accessible objects.
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*/
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addAccessibleTask(`
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<div id="dependant1">label</div>
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<div id="dependant2">label2</div>
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<div role="checkbox" id="host"></div>`,
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function* (browser, accDoc) {
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for (let spec of attrRelationsSpec) {
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yield testRelated(browser, accDoc, ...spec);
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}
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}
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);
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