@angular/material
Version:
Angular Material
171 lines (165 loc) • 6.53 kB
JavaScript
import { __awaiter } from 'tslib';
import { ComponentHarness, HarnessPredicate } from '@angular/cdk/testing';
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Harness for interacting with a standard Angular Material tab-label in tests. */
class MatTabHarness extends ComponentHarness {
/**
* Gets a `HarnessPredicate` that can be used to search for a `MatTabHarness` that meets
* certain criteria.
* @param options Options for filtering which tab instances are considered a match.
* @return a `HarnessPredicate` configured with the given options.
*/
static with(options = {}) {
return new HarnessPredicate(MatTabHarness, options)
.addOption('label', options.label, (harness, label) => HarnessPredicate.stringMatches(harness.getLabel(), label));
}
/** Gets the label of the tab. */
getLabel() {
return __awaiter(this, void 0, void 0, function* () {
return (yield this.host()).text();
});
}
/** Gets the aria-label of the tab. */
getAriaLabel() {
return __awaiter(this, void 0, void 0, function* () {
return (yield this.host()).getAttribute('aria-label');
});
}
/** Gets the value of the "aria-labelledby" attribute. */
getAriaLabelledby() {
return __awaiter(this, void 0, void 0, function* () {
return (yield this.host()).getAttribute('aria-labelledby');
});
}
/** Whether the tab is selected. */
isSelected() {
return __awaiter(this, void 0, void 0, function* () {
const hostEl = yield this.host();
return (yield hostEl.getAttribute('aria-selected')) === 'true';
});
}
/** Whether the tab is disabled. */
isDisabled() {
return __awaiter(this, void 0, void 0, function* () {
const hostEl = yield this.host();
return (yield hostEl.getAttribute('aria-disabled')) === 'true';
});
}
/** Selects the given tab by clicking on the label. Tab cannot be selected if disabled. */
select() {
return __awaiter(this, void 0, void 0, function* () {
yield (yield this.host()).click();
});
}
/** Gets the text content of the tab. */
getTextContent() {
return __awaiter(this, void 0, void 0, function* () {
const contentId = yield this._getContentId();
const contentEl = yield this.documentRootLocatorFactory().locatorFor(`#${contentId}`)();
return contentEl.text();
});
}
/**
* Gets a `HarnessLoader` that can be used to load harnesses for components within the tab's
* content area.
*/
getHarnessLoaderForContent() {
return __awaiter(this, void 0, void 0, function* () {
const contentId = yield this._getContentId();
return this.documentRootLocatorFactory().harnessLoaderFor(`#${contentId}`);
});
}
/** Gets the element id for the content of the current tab. */
_getContentId() {
return __awaiter(this, void 0, void 0, function* () {
const hostEl = yield this.host();
// Tabs never have an empty "aria-controls" attribute.
return (yield hostEl.getAttribute('aria-controls'));
});
}
}
/** The selector for the host element of a `MatTab` instance. */
MatTabHarness.hostSelector = '.mat-tab-label';
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Harness for interacting with a standard mat-tab-group in tests. */
class MatTabGroupHarness extends ComponentHarness {
/**
* Gets a `HarnessPredicate` that can be used to search for a `MatTabGroupHarness` that meets
* certain criteria.
* @param options Options for filtering which tab group instances are considered a match.
* @return a `HarnessPredicate` configured with the given options.
*/
static with(options = {}) {
return new HarnessPredicate(MatTabGroupHarness, options)
.addOption('selectedTabLabel', options.selectedTabLabel, (harness, label) => __awaiter(this, void 0, void 0, function* () {
const selectedTab = yield harness.getSelectedTab();
return HarnessPredicate.stringMatches(yield selectedTab.getLabel(), label);
}));
}
/**
* Gets the list of tabs in the tab group.
* @param filter Optionally filters which tabs are included.
*/
getTabs(filter = {}) {
return __awaiter(this, void 0, void 0, function* () {
return this.locatorForAll(MatTabHarness.with(filter))();
});
}
/** Gets the selected tab of the tab group. */
getSelectedTab() {
return __awaiter(this, void 0, void 0, function* () {
const tabs = yield this.getTabs();
const isSelected = yield Promise.all(tabs.map(t => t.isSelected()));
for (let i = 0; i < tabs.length; i++) {
if (isSelected[i]) {
return tabs[i];
}
}
throw new Error('No selected tab could be found.');
});
}
/**
* Selects a tab in this tab group.
* @param filter An optional filter to apply to the child tabs. The first tab matching the filter
* will be selected.
*/
selectTab(filter = {}) {
return __awaiter(this, void 0, void 0, function* () {
const tabs = yield this.getTabs(filter);
if (!tabs.length) {
throw Error(`Cannot find mat-tab matching filter ${JSON.stringify(filter)}`);
}
yield tabs[0].select();
});
}
}
/** The selector for the host element of a `MatTabGroup` instance. */
MatTabGroupHarness.hostSelector = '.mat-tab-group';
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
export { MatTabGroupHarness, MatTabHarness };
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