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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';
/* global RELATION_LABELLED_BY, RELATION_LABEL_FOR, RELATION_DESCRIBED_BY,
RELATION_DESCRIPTION_FOR, RELATION_CONTROLLER_FOR,
RELATION_CONTROLLED_BY, RELATION_FLOWS_TO, RELATION_FLOWS_FROM */
loadScripts({ name: 'relations.js', dir: MOCHITESTS_DIR });
/**
* A test specification that has the following format:
* [
* attr relevant aria attribute
* hostRelation corresponding host relation type
* dependantRelation corresponding dependant relation type
* ]
*/
const attrRelationsSpec = [
['aria-labelledby', RELATION_LABELLED_BY, RELATION_LABEL_FOR],
['aria-describedby', RELATION_DESCRIBED_BY, RELATION_DESCRIPTION_FOR],
['aria-controls', RELATION_CONTROLLER_FOR, RELATION_CONTROLLED_BY],
['aria-flowto', RELATION_FLOWS_TO, RELATION_FLOWS_FROM]
];
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) {
yield invokeSetAttribute(browser, 'host', key, value);
}
}
testRelation(dependant1, dependantRelation, expected[0]);
testRelation(dependant2, dependantRelation, expected[1]);
testRelation(host, hostRelation, expected[2]);
}
}
/**
* Test caching of relations between accessible objects.
*/
addAccessibleTask(`
<div id="dependant1">label</div>
<div id="dependant2">label2</div>
<div role="checkbox" id="host"></div>`,
function* (browser, accDoc) {
for (let spec of attrRelationsSpec) {
yield testRelated(browser, accDoc, ...spec);
}
}
);
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