| 1 | /**
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| 2 | * @license
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| 3 | * Copyright Google LLC All Rights Reserved.
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| 4 | *
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| 5 | * Use of this source code is governed by an MIT-style license that can be
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| 6 | * found in the LICENSE file at https://angular.io/license
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| 7 | */
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| 8 | import { __awaiter } from "tslib";
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| 9 | import { ComponentHarness, HarnessPredicate, parallel } from '@angular/cdk/testing';
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| 10 | import { MatTabHarness } from './tab-harness';
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| 11 | /** Harness for interacting with a standard mat-tab-group in tests. */
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| 12 | export class MatTabGroupHarness extends ComponentHarness {
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| 13 | /**
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| 14 | * Gets a `HarnessPredicate` that can be used to search for a `MatTabGroupHarness` that meets
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| 15 | * certain criteria.
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| 16 | * @param options Options for filtering which tab group instances are considered a match.
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| 17 | * @return a `HarnessPredicate` configured with the given options.
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| 18 | */
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| 19 | static with(options = {}) {
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| 20 | return new HarnessPredicate(MatTabGroupHarness, options)
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| 21 | .addOption('selectedTabLabel', options.selectedTabLabel, (harness, label) => __awaiter(this, void 0, void 0, function* () {
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| 22 | const selectedTab = yield harness.getSelectedTab();
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| 23 | return HarnessPredicate.stringMatches(yield selectedTab.getLabel(), label);
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| 24 | }));
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| 25 | }
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| 26 | /**
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| 27 | * Gets the list of tabs in the tab group.
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| 28 | * @param filter Optionally filters which tabs are included.
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| 29 | */
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| 30 | getTabs(filter = {}) {
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| 31 | return __awaiter(this, void 0, void 0, function* () {
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| 32 | return this.locatorForAll(MatTabHarness.with(filter))();
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| 33 | });
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| 34 | }
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| 35 | /** Gets the selected tab of the tab group. */
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| 36 | getSelectedTab() {
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| 37 | return __awaiter(this, void 0, void 0, function* () {
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| 38 | const tabs = yield this.getTabs();
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| 39 | const isSelected = yield parallel(() => tabs.map(t => t.isSelected()));
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| 40 | for (let i = 0; i < tabs.length; i++) {
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| 41 | if (isSelected[i]) {
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| 42 | return tabs[i];
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| 43 | }
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| 44 | }
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| 45 | throw new Error('No selected tab could be found.');
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| 46 | });
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| 47 | }
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| 48 | /**
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| 49 | * Selects a tab in this tab group.
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| 50 | * @param filter An optional filter to apply to the child tabs. The first tab matching the filter
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| 51 | * will be selected.
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| 52 | */
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| 53 | selectTab(filter = {}) {
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| 54 | return __awaiter(this, void 0, void 0, function* () {
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| 55 | const tabs = yield this.getTabs(filter);
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| 56 | if (!tabs.length) {
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| 57 | throw Error(`Cannot find mat-tab matching filter ${JSON.stringify(filter)}`);
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| 58 | }
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| 59 | yield tabs[0].select();
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| 60 | });
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| 61 | }
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| 62 | }
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| 63 | /** The selector for the host element of a `MatTabGroup` instance. */
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| 64 | MatTabGroupHarness.hostSelector = '.mat-tab-group';
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| 65 | //# 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