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refactor(material-experimental/mdc-paginator): de-duplicate test harness logic (#21519)
Changes the MDC-based `MatPaginatorHarness` to extend the non-MDC version since the logic is identical, apart from a few selectors.
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7 files changed

+81
-117
lines changed

7 files changed

+81
-117
lines changed

‎scripts/check-mdc-exports-config.ts

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@@ -46,6 +46,10 @@ export const config = {
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// Private base class that is only exported for MDC.
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'_MatPaginatorBase'
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],
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'mdc-paginator/testing': [
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// Private base class that is only exported for MDC.
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'_MatPaginatorHarnessBase'
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],
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'mdc-radio': [
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// Private base classes that are only exported for MDC.
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'_MatRadioGroupBase',

‎src/material-experimental/mdc-paginator/testing/BUILD.bazel

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@@ -10,7 +10,6 @@ ts_library(
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),
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module_name = "@angular/material-experimental/mdc-paginator/testing",
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deps = [
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"//src/cdk/coercion",
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"//src/cdk/testing",
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"//src/material-experimental/mdc-select/testing",
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"//src/material/paginator/testing",

‎src/material-experimental/mdc-paginator/testing/paginator-harness-filters.ts

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This file was deleted.

‎src/material-experimental/mdc-paginator/testing/paginator-harness.ts

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@@ -6,25 +6,27 @@
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* found in the LICENSE file at https://angular.io/license
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*/
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import {ComponentHarness, HarnessPredicate} from '@angular/cdk/testing';
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import {HarnessPredicate} from '@angular/cdk/testing';
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import {MatSelectHarness} from '@angular/material-experimental/mdc-select/testing';
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import {coerceNumberProperty} from '@angular/cdk/coercion';
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import {PaginatorHarnessFilters} from './paginator-harness-filters';
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import {
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PaginatorHarnessFilters,
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_MatPaginatorHarnessBase,
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} from '@angular/material/paginator/testing';
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/** Harness for interacting with an MDC-based mat-paginator in tests. */
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export class MatPaginatorHarness extends ComponentHarness {
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export class MatPaginatorHarness extends _MatPaginatorHarnessBase {
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/** Selector used to find paginator instances. */
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static hostSelector = '.mat-mdc-paginator';
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private _nextButton = this.locatorFor('.mat-mdc-paginator-navigation-next');
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private _previousButton = this.locatorFor('.mat-mdc-paginator-navigation-previous');
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private _firstPageButton = this.locatorForOptional('.mat-mdc-paginator-navigation-first');
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private _lastPageButton = this.locatorForOptional('.mat-mdc-paginator-navigation-last');
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private _select = this.locatorForOptional(MatSelectHarness.with({
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protected _nextButton = this.locatorFor('.mat-mdc-paginator-navigation-next');
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protected _previousButton = this.locatorFor('.mat-mdc-paginator-navigation-previous');
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protected _firstPageButton = this.locatorForOptional('.mat-mdc-paginator-navigation-first');
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protected _lastPageButton = this.locatorForOptional('.mat-mdc-paginator-navigation-last');
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protected _select = this.locatorForOptional(MatSelectHarness.with({
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ancestor: '.mat-mdc-paginator-page-size'
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}));
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private _pageSizeFallback = this.locatorFor('.mat-mdc-paginator-page-size-value');
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private _rangeLabel = this.locatorFor('.mat-mdc-paginator-range-label');
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protected _pageSizeFallback = this.locatorFor('.mat-mdc-paginator-page-size-value');
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protected _rangeLabel = this.locatorFor('.mat-mdc-paginator-range-label');
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/**
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* Gets a `HarnessPredicate` that can be used to search for a `MatPaginatorHarness` that meets
@@ -35,69 +37,4 @@ export class MatPaginatorHarness extends ComponentHarness {
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static with(options: PaginatorHarnessFilters = {}): HarnessPredicate<MatPaginatorHarness> {
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return new HarnessPredicate(MatPaginatorHarness, options);
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}
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/** Goes to the next page in the paginator. */
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async goToNextPage(): Promise<void> {
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return (await this._nextButton()).click();
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}
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/** Goes to the previous page in the paginator. */
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async goToPreviousPage(): Promise<void> {
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return (await this._previousButton()).click();
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}
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/** Goes to the first page in the paginator. */
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async goToFirstPage(): Promise<void> {
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const button = await this._firstPageButton();
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// The first page button isn't enabled by default so we need to check for it.
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if (!button) {
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throw Error('Could not find first page button inside paginator. ' +
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'Make sure that `showFirstLastButtons` is enabled.');
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}
58-
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return button.click();
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}
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/** Goes to the last page in the paginator. */
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async goToLastPage(): Promise<void> {
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const button = await this._lastPageButton();
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// The last page button isn't enabled by default so we need to check for it.
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if (!button) {
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throw Error('Could not find last page button inside paginator. ' +
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'Make sure that `showFirstLastButtons` is enabled.');
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}
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return button.click();
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}
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/**
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* Sets the page size of the paginator.
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* @param size Page size that should be select.
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*/
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async setPageSize(size: number): Promise<void> {
80-
const select = await this._select();
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// The select is only available if the `pageSizeOptions` are
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// set to an array with more than one item.
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if (!select) {
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throw Error('Cannot find page size selector in paginator. ' +
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'Make sure that the `pageSizeOptions` have been configured.');
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}
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return select.clickOptions({text: `${size}`});
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}
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/** Gets the page size of the paginator. */
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async getPageSize(): Promise<number> {
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const select = await this._select();
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const value = select ? select.getValueText() : (await this._pageSizeFallback()).text();
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return coerceNumberProperty(await value);
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}
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/** Gets the text of the range labe of the paginator. */
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async getRangeLabel(): Promise<string> {
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return (await this._rangeLabel()).text();
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}
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}

‎src/material-experimental/mdc-paginator/testing/public-api.ts

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@@ -7,4 +7,4 @@
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*/
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export * from './paginator-harness';
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export * from './paginator-harness-filters';
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export {PaginatorHarnessFilters} from '@angular/material/paginator/testing';

‎src/material/paginator/testing/paginator-harness.ts

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@@ -6,35 +6,27 @@
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* found in the LICENSE file at https://angular.io/license
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*/
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9-
import {ComponentHarness, HarnessPredicate} from '@angular/cdk/testing';
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import {
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AsyncFactoryFn,
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ComponentHarness,
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HarnessPredicate,
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TestElement,
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} from '@angular/cdk/testing';
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import {MatSelectHarness} from '@angular/material/select/testing';
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import {coerceNumberProperty} from '@angular/cdk/coercion';
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import {PaginatorHarnessFilters} from './paginator-harness-filters';
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/** Harness for interacting with a standard mat-paginator in tests. */
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export class MatPaginatorHarness extends ComponentHarness {
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/** Selector used to find paginator instances. */
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static hostSelector = '.mat-paginator';
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private _nextButton = this.locatorFor('.mat-paginator-navigation-next');
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private _previousButton = this.locatorFor('.mat-paginator-navigation-previous');
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private _firstPageButton = this.locatorForOptional('.mat-paginator-navigation-first');
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private _lastPageButton = this.locatorForOptional('.mat-paginator-navigation-last');
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private _select = this.locatorForOptional(MatSelectHarness.with({
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ancestor: '.mat-paginator-page-size'
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}));
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private _pageSizeFallback = this.locatorFor('.mat-paginator-page-size-value');
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private _rangeLabel = this.locatorFor('.mat-paginator-range-label');
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/**
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* Gets a `HarnessPredicate` that can be used to search for a `MatPaginatorHarness` that meets
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* certain criteria.
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* @param options Options for filtering which paginator instances are considered a match.
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* @return a `HarnessPredicate` configured with the given options.
34-
*/
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static with(options: PaginatorHarnessFilters = {}): HarnessPredicate<MatPaginatorHarness> {
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return new HarnessPredicate(MatPaginatorHarness, options);
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}
19+
export abstract class _MatPaginatorHarnessBase extends ComponentHarness {
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protected abstract _nextButton: AsyncFactoryFn<TestElement>;
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protected abstract _previousButton: AsyncFactoryFn<TestElement>;
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protected abstract _firstPageButton: AsyncFactoryFn<TestElement | null>;
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protected abstract _lastPageButton: AsyncFactoryFn<TestElement | null>;
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protected abstract _select: AsyncFactoryFn<ComponentHarness & {
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getValueText(): Promise<string>;
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clickOptions(...filters: unknown[]): Promise<void>;
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} | null>;
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protected abstract _pageSizeFallback: AsyncFactoryFn<TestElement>;
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protected abstract _rangeLabel: AsyncFactoryFn<TestElement>;
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3931
/** Goes to the next page in the paginator. */
4032
async goToNextPage(): Promise<void> {
@@ -101,3 +93,28 @@ export class MatPaginatorHarness extends ComponentHarness {
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return (await this._rangeLabel()).text();
10294
}
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}
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97+
/** Harness for interacting with a standard mat-paginator in tests. */
98+
export class MatPaginatorHarness extends _MatPaginatorHarnessBase {
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/** Selector used to find paginator instances. */
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static hostSelector = '.mat-paginator';
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protected _nextButton = this.locatorFor('.mat-paginator-navigation-next');
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protected _previousButton = this.locatorFor('.mat-paginator-navigation-previous');
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protected _firstPageButton = this.locatorForOptional('.mat-paginator-navigation-first');
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protected _lastPageButton = this.locatorForOptional('.mat-paginator-navigation-last');
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protected _select = this.locatorForOptional(MatSelectHarness.with({
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ancestor: '.mat-paginator-page-size'
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}));
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protected _pageSizeFallback = this.locatorFor('.mat-paginator-page-size-value');
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protected _rangeLabel = this.locatorFor('.mat-paginator-range-label');
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/**
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* Gets a `HarnessPredicate` that can be used to search for a `MatPaginatorHarness` that meets
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* certain criteria.
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* @param options Options for filtering which paginator instances are considered a match.
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* @return a `HarnessPredicate` configured with the given options.
116+
*/
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static with(options: PaginatorHarnessFilters = {}): HarnessPredicate<MatPaginatorHarness> {
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return new HarnessPredicate(MatPaginatorHarness, options);
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}
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}

‎tools/public_api_guard/material/paginator/testing.d.ts

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@@ -1,11 +1,31 @@
1-
export declare class MatPaginatorHarness extends ComponentHarness {
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export declare abstract class _MatPaginatorHarnessBase extends ComponentHarness {
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protected abstract _firstPageButton: AsyncFactoryFn<TestElement | null>;
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protected abstract _lastPageButton: AsyncFactoryFn<TestElement | null>;
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protected abstract _nextButton: AsyncFactoryFn<TestElement>;
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protected abstract _pageSizeFallback: AsyncFactoryFn<TestElement>;
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protected abstract _previousButton: AsyncFactoryFn<TestElement>;
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protected abstract _rangeLabel: AsyncFactoryFn<TestElement>;
8+
protected abstract _select: AsyncFactoryFn<(ComponentHarness & {
9+
getValueText(): Promise<string>;
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clickOptions(...filters: unknown[]): Promise<void>;
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}) | null>;
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getPageSize(): Promise<number>;
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getRangeLabel(): Promise<string>;
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goToFirstPage(): Promise<void>;
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goToLastPage(): Promise<void>;
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goToNextPage(): Promise<void>;
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goToPreviousPage(): Promise<void>;
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setPageSize(size: number): Promise<void>;
19+
}
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21+
export declare class MatPaginatorHarness extends _MatPaginatorHarnessBase {
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protected _firstPageButton: AsyncFactoryFn<TestElement | null>;
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protected _lastPageButton: AsyncFactoryFn<TestElement | null>;
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protected _nextButton: AsyncFactoryFn<TestElement>;
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protected _pageSizeFallback: AsyncFactoryFn<TestElement>;
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protected _previousButton: AsyncFactoryFn<TestElement>;
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protected _rangeLabel: AsyncFactoryFn<TestElement>;
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protected _select: AsyncFactoryFn<MatSelectHarness | null>;
929
static hostSelector: string;
1030
static with(options?: PaginatorHarnessFilters): HarnessPredicate<MatPaginatorHarness>;
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}

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