102 lines
3.5 KiB
TypeScript
102 lines
3.5 KiB
TypeScript
/**
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* @license
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* Copyright Google LLC All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.dev/license
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*/
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import {
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ComponentHarnessConstructor,
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ContentContainerComponentHarness,
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HarnessPredicate,
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} from '@angular/cdk/testing';
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import {CellHarnessFilters} from './table-harness-filters';
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export abstract class _MatCellHarnessBase extends ContentContainerComponentHarness {
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/** Gets the cell's text. */
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async getText(): Promise<string> {
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return (await this.host()).text();
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}
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/** Gets the name of the column that the cell belongs to. */
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async getColumnName(): Promise<string> {
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const host = await this.host();
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const classAttribute = await host.getAttribute('class');
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if (classAttribute) {
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const prefix = 'mat-column-';
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const name = classAttribute
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.split(' ')
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.map(c => c.trim())
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.find(c => c.startsWith(prefix));
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if (name) {
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return name.split(prefix)[1];
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}
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}
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throw Error('Could not determine column name of cell.');
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}
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protected static _getCellPredicate<T extends MatCellHarness>(
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type: ComponentHarnessConstructor<T>,
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options: CellHarnessFilters,
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): HarnessPredicate<T> {
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return new HarnessPredicate(type, options)
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.addOption('text', options.text, (harness, text) =>
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HarnessPredicate.stringMatches(harness.getText(), text),
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)
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.addOption('columnName', options.columnName, (harness, name) =>
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HarnessPredicate.stringMatches(harness.getColumnName(), name),
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);
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}
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}
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/** Harness for interacting with an Angular Material table cell. */
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export class MatCellHarness extends _MatCellHarnessBase {
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/** The selector for the host element of a `MatCellHarness` instance. */
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static hostSelector = '.mat-mdc-cell';
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/**
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* Gets a `HarnessPredicate` that can be used to search for a table cell with specific attributes.
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* @param options Options for narrowing the search
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* @return a `HarnessPredicate` configured with the given options.
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*/
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static with(options: CellHarnessFilters = {}): HarnessPredicate<MatCellHarness> {
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return _MatCellHarnessBase._getCellPredicate(this, options);
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}
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}
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/** Harness for interacting with an Angular Material table header cell. */
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export class MatHeaderCellHarness extends _MatCellHarnessBase {
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/** The selector for the host element of a `MatHeaderCellHarness` instance. */
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static hostSelector = '.mat-mdc-header-cell';
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/**
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* Gets a `HarnessPredicate` that can be used to search for a table header cell with specific
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* attributes.
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* @param options Options for narrowing the search
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* @return a `HarnessPredicate` configured with the given options.
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*/
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static with(options: CellHarnessFilters = {}): HarnessPredicate<MatHeaderCellHarness> {
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return _MatCellHarnessBase._getCellPredicate(this, options);
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}
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}
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/** Harness for interacting with an Angular Material table footer cell. */
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export class MatFooterCellHarness extends _MatCellHarnessBase {
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/** The selector for the host element of a `MatFooterCellHarness` instance. */
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static hostSelector = '.mat-mdc-footer-cell';
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/**
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* Gets a `HarnessPredicate` that can be used to search for a table footer cell with specific
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* attributes.
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* @param options Options for narrowing the search
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* @return a `HarnessPredicate` configured with the given options.
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*/
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static with(options: CellHarnessFilters = {}): HarnessPredicate<MatFooterCellHarness> {
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return _MatCellHarnessBase._getCellPredicate(this, options);
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}
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}
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