@angular/material
Version:
Angular Material
231 lines • 31 kB
JavaScript
/**
* @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
*/
import { coerceBooleanProperty } from '@angular/cdk/coercion';
import { ComponentHarness, HarnessPredicate, } from '@angular/cdk/testing';
export class _MatRadioGroupHarnessBase extends ComponentHarness {
/** Gets the name of the radio-group. */
async getName() {
const hostName = await this._getGroupNameFromHost();
// It's not possible to always determine the "name" of a radio-group by reading
// the attribute. This is because the radio-group does not set the "name" as an
// element attribute if the "name" value is set through a binding.
if (hostName !== null) {
return hostName;
}
// In case we couldn't determine the "name" of a radio-group by reading the
// "name" attribute, we try to determine the "name" of the group by going
// through all radio buttons.
const radioNames = await this._getNamesFromRadioButtons();
if (!radioNames.length) {
return null;
}
if (!this._checkRadioNamesInGroupEqual(radioNames)) {
throw Error('Radio buttons in radio-group have mismatching names.');
}
return radioNames[0];
}
/** Gets the id of the radio-group. */
async getId() {
return (await this.host()).getProperty('id');
}
/** Gets the checked radio-button in a radio-group. */
async getCheckedRadioButton() {
for (let radioButton of await this.getRadioButtons()) {
if (await radioButton.isChecked()) {
return radioButton;
}
}
return null;
}
/** Gets the checked value of the radio-group. */
async getCheckedValue() {
const checkedRadio = await this.getCheckedRadioButton();
if (!checkedRadio) {
return null;
}
return checkedRadio.getValue();
}
/**
* Gets a list of radio buttons which are part of the radio-group.
* @param filter Optionally filters which radio buttons are included.
*/
async getRadioButtons(filter) {
return this.locatorForAll(this._buttonClass.with(filter))();
}
/**
* Checks a radio button in this group.
* @param filter An optional filter to apply to the child radio buttons. The first tab matching
* the filter will be selected.
*/
async checkRadioButton(filter) {
const radioButtons = await this.getRadioButtons(filter);
if (!radioButtons.length) {
throw Error(`Could not find radio button matching ${JSON.stringify(filter)}`);
}
return radioButtons[0].check();
}
/** Gets the name attribute of the host element. */
async _getGroupNameFromHost() {
return (await this.host()).getAttribute('name');
}
/** Gets a list of the name attributes of all child radio buttons. */
async _getNamesFromRadioButtons() {
const groupNames = [];
for (let radio of await this.getRadioButtons()) {
const radioName = await radio.getName();
if (radioName !== null) {
groupNames.push(radioName);
}
}
return groupNames;
}
/** Checks if the specified radio names are all equal. */
_checkRadioNamesInGroupEqual(radioNames) {
let groupName = null;
for (let radioName of radioNames) {
if (groupName === null) {
groupName = radioName;
}
else if (groupName !== radioName) {
return false;
}
}
return true;
}
/**
* Checks if a radio-group harness has the given name. Throws if a radio-group with
* matching name could be found but has mismatching radio-button names.
*/
static async _checkRadioGroupName(harness, name) {
// Check if there is a radio-group which has the "name" attribute set
// to the expected group name. It's not possible to always determine
// the "name" of a radio-group by reading the attribute. This is because
// the radio-group does not set the "name" as an element attribute if the
// "name" value is set through a binding.
if ((await harness._getGroupNameFromHost()) === name) {
return true;
}
// Check if there is a group with radio-buttons that all have the same
// expected name. This implies that the group has the given name. It's
// not possible to always determine the name of a radio-group through
// the attribute because there is
const radioNames = await harness._getNamesFromRadioButtons();
if (radioNames.indexOf(name) === -1) {
return false;
}
if (!harness._checkRadioNamesInGroupEqual(radioNames)) {
throw Error(`The locator found a radio-group with name "${name}", but some ` +
`radio-button's within the group have mismatching names, which is invalid.`);
}
return true;
}
}
/** Harness for interacting with a standard mat-radio-group in tests. */
export class MatRadioGroupHarness extends _MatRadioGroupHarnessBase {
constructor() {
super(...arguments);
this._buttonClass = MatRadioButtonHarness;
}
/**
* Gets a `HarnessPredicate` that can be used to search for a `MatRadioGroupHarness` that meets
* certain criteria.
* @param options Options for filtering which radio group instances are considered a match.
* @return a `HarnessPredicate` configured with the given options.
*/
static with(options = {}) {
return new HarnessPredicate(MatRadioGroupHarness, options).addOption('name', options.name, this._checkRadioGroupName);
}
}
/** The selector for the host element of a `MatRadioGroup` instance. */
MatRadioGroupHarness.hostSelector = '.mat-radio-group';
export class _MatRadioButtonHarnessBase extends ComponentHarness {
constructor() {
super(...arguments);
this._input = this.locatorFor('input');
}
/** Whether the radio-button is checked. */
async isChecked() {
const checked = (await this._input()).getProperty('checked');
return coerceBooleanProperty(await checked);
}
/** Whether the radio-button is disabled. */
async isDisabled() {
const disabled = (await this._input()).getAttribute('disabled');
return coerceBooleanProperty(await disabled);
}
/** Whether the radio-button is required. */
async isRequired() {
const required = (await this._input()).getAttribute('required');
return coerceBooleanProperty(await required);
}
/** Gets the radio-button's name. */
async getName() {
return (await this._input()).getAttribute('name');
}
/** Gets the radio-button's id. */
async getId() {
return (await this.host()).getProperty('id');
}
/**
* Gets the value of the radio-button. The radio-button value will be converted to a string.
*
* Note: This means that for radio-button's with an object as a value `[object Object]` is
* intentionally returned.
*/
async getValue() {
return (await this._input()).getProperty('value');
}
/** Gets the radio-button's label text. */
async getLabelText() {
return (await this._textLabel()).text();
}
/** Focuses the radio-button. */
async focus() {
return (await this._input()).focus();
}
/** Blurs the radio-button. */
async blur() {
return (await this._input()).blur();
}
/** Whether the radio-button is focused. */
async isFocused() {
return (await this._input()).isFocused();
}
/**
* Puts the radio-button in a checked state by clicking it if it is currently unchecked,
* or doing nothing if it is already checked.
*/
async check() {
if (!(await this.isChecked())) {
return (await this._clickLabel()).click();
}
}
}
/** Harness for interacting with a standard mat-radio-button in tests. */
export class MatRadioButtonHarness extends _MatRadioButtonHarnessBase {
constructor() {
super(...arguments);
this._textLabel = this.locatorFor('.mat-radio-label-content');
this._clickLabel = this.locatorFor('.mat-radio-label');
}
/**
* Gets a `HarnessPredicate` that can be used to search for a `MatRadioButtonHarness` that meets
* certain criteria.
* @param options Options for filtering which radio button instances are considered a match.
* @return a `HarnessPredicate` configured with the given options.
*/
static with(options = {}) {
return new HarnessPredicate(MatRadioButtonHarness, options)
.addOption('label', options.label, (harness, label) => HarnessPredicate.stringMatches(harness.getLabelText(), label))
.addOption('name', options.name, async (harness, name) => (await harness.getName()) === name)
.addOption('checked', options.checked, async (harness, checked) => (await harness.isChecked()) == checked);
}
}
/** The selector for the host element of a `MatRadioButton` instance. */
MatRadioButtonHarness.hostSelector = '.mat-radio-button';
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* @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {coerceBooleanProperty} from '@angular/cdk/coercion';\nimport {\n  AsyncFactoryFn,\n  BaseHarnessFilters,\n  ComponentHarness,\n  ComponentHarnessConstructor,\n  HarnessPredicate,\n  TestElement,\n} from '@angular/cdk/testing';\nimport {RadioButtonHarnessFilters, RadioGroupHarnessFilters} from './radio-harness-filters';\n\nexport abstract class _MatRadioGroupHarnessBase<\n  ButtonType extends ComponentHarnessConstructor<Button> & {\n    with: (options?: ButtonFilters) => HarnessPredicate<Button>;\n  },\n  Button extends ComponentHarness & {\n    isChecked(): Promise<boolean>;\n    getValue(): Promise<string | null>;\n    getName(): Promise<string | null>;\n    check(): Promise<void>;\n  },\n  ButtonFilters extends BaseHarnessFilters,\n> extends ComponentHarness {\n  protected abstract _buttonClass: ButtonType;\n\n  /** Gets the name of the radio-group. */\n  async getName(): Promise<string | null> {\n    const hostName = await this._getGroupNameFromHost();\n    // It's not possible to always determine the \"name\" of a radio-group by reading\n    // the attribute. This is because the radio-group does not set the \"name\" as an\n    // element attribute if the \"name\" value is set through a binding.\n    if (hostName !== null) {\n      return hostName;\n    }\n    // In case we couldn't determine the \"name\" of a radio-group by reading the\n    // \"name\" attribute, we try to determine the \"name\" of the group by going\n    // through all radio buttons.\n    const radioNames = await this._getNamesFromRadioButtons();\n    if (!radioNames.length) {\n      return null;\n    }\n    if (!this._checkRadioNamesInGroupEqual(radioNames)) {\n      throw Error('Radio buttons in radio-group have mismatching names.');\n    }\n    return radioNames[0]!;\n  }\n\n  /** Gets the id of the radio-group. */\n  async getId(): Promise<string | null> {\n    return (await this.host()).getProperty<string | null>('id');\n  }\n\n  /** Gets the checked radio-button in a radio-group. */\n  async getCheckedRadioButton(): Promise<Button | null> {\n    for (let radioButton of await this.getRadioButtons()) {\n      if (await radioButton.isChecked()) {\n        return radioButton;\n      }\n    }\n    return null;\n  }\n\n  /** Gets the checked value of the radio-group. */\n  async getCheckedValue(): Promise<string | null> {\n    const checkedRadio = await this.getCheckedRadioButton();\n    if (!checkedRadio) {\n      return null;\n    }\n    return checkedRadio.getValue();\n  }\n\n  /**\n   * Gets a list of radio buttons which are part of the radio-group.\n   * @param filter Optionally filters which radio buttons are included.\n   */\n  async getRadioButtons(filter?: ButtonFilters): Promise<Button[]> {\n    return this.locatorForAll(this._buttonClass.with(filter))();\n  }\n\n  /**\n   * Checks a radio button in this group.\n   * @param filter An optional filter to apply to the child radio buttons. The first tab matching\n   *     the filter will be selected.\n   */\n  async checkRadioButton(filter?: ButtonFilters): Promise<void> {\n    const radioButtons = await this.getRadioButtons(filter);\n    if (!radioButtons.length) {\n      throw Error(`Could not find radio button matching ${JSON.stringify(filter)}`);\n    }\n    return radioButtons[0].check();\n  }\n\n  /** Gets the name attribute of the host element. */\n  private async _getGroupNameFromHost() {\n    return (await this.host()).getAttribute('name');\n  }\n\n  /** Gets a list of the name attributes of all child radio buttons. */\n  private async _getNamesFromRadioButtons(): Promise<string[]> {\n    const groupNames: string[] = [];\n    for (let radio of await this.getRadioButtons()) {\n      const radioName = await radio.getName();\n      if (radioName !== null) {\n        groupNames.push(radioName);\n      }\n    }\n    return groupNames;\n  }\n\n  /** Checks if the specified radio names are all equal. */\n  private _checkRadioNamesInGroupEqual(radioNames: string[]): boolean {\n    let groupName: string | null = null;\n    for (let radioName of radioNames) {\n      if (groupName === null) {\n        groupName = radioName;\n      } else if (groupName !== radioName) {\n        return false;\n      }\n    }\n    return true;\n  }\n\n  /**\n   * Checks if a radio-group harness has the given name. Throws if a radio-group with\n   * matching name could be found but has mismatching radio-button names.\n   */\n  protected static async _checkRadioGroupName(\n    harness: _MatRadioGroupHarnessBase<any, any, any>,\n    name: string,\n  ) {\n    // Check if there is a radio-group which has the \"name\" attribute set\n    // to the expected group name. It's not possible to always determine\n    // the \"name\" of a radio-group by reading the attribute. This is because\n    // the radio-group does not set the \"name\" as an element attribute if the\n    // \"name\" value is set through a binding.\n    if ((await harness._getGroupNameFromHost()) === name) {\n      return true;\n    }\n    // Check if there is a group with radio-buttons that all have the same\n    // expected name. This implies that the group has the given name. It's\n    // not possible to always determine the name of a radio-group through\n    // the attribute because there is\n    const radioNames = await harness._getNamesFromRadioButtons();\n    if (radioNames.indexOf(name) === -1) {\n      return false;\n    }\n    if (!harness._checkRadioNamesInGroupEqual(radioNames)) {\n      throw Error(\n        `The locator found a radio-group with name \"${name}\", but some ` +\n          `radio-button's within the group have mismatching names, which is invalid.`,\n      );\n    }\n    return true;\n  }\n}\n\n/** Harness for interacting with a standard mat-radio-group in tests. */\nexport class MatRadioGroupHarness extends _MatRadioGroupHarnessBase<\n  typeof MatRadioButtonHarness,\n  MatRadioButtonHarness,\n  RadioButtonHarnessFilters\n> {\n  /** The selector for the host element of a `MatRadioGroup` instance. */\n  static hostSelector = '.mat-radio-group';\n  protected _buttonClass = MatRadioButtonHarness;\n\n  /**\n   * Gets a `HarnessPredicate` that can be used to search for a `MatRadioGroupHarness` that meets\n   * certain criteria.\n   * @param options Options for filtering which radio group instances are considered a match.\n   * @return a `HarnessPredicate` configured with the given options.\n   */\n  static with(options: RadioGroupHarnessFilters = {}): HarnessPredicate<MatRadioGroupHarness> {\n    return new HarnessPredicate(MatRadioGroupHarness, options).addOption(\n      'name',\n      options.name,\n      this._checkRadioGroupName,\n    );\n  }\n}\n\nexport abstract class _MatRadioButtonHarnessBase extends ComponentHarness {\n  protected abstract _textLabel: AsyncFactoryFn<TestElement>;\n  protected abstract _clickLabel: AsyncFactoryFn<TestElement>;\n  private _input = this.locatorFor('input');\n\n  /** Whether the radio-button is checked. */\n  async isChecked(): Promise<boolean> {\n    const checked = (await this._input()).getProperty<boolean>('checked');\n    return coerceBooleanProperty(await checked);\n  }\n\n  /** Whether the radio-button is disabled. */\n  async isDisabled(): Promise<boolean> {\n    const disabled = (await this._input()).getAttribute('disabled');\n    return coerceBooleanProperty(await disabled);\n  }\n\n  /** Whether the radio-button is required. */\n  async isRequired(): Promise<boolean> {\n    const required = (await this._input()).getAttribute('required');\n    return coerceBooleanProperty(await required);\n  }\n\n  /** Gets the radio-button's name. */\n  async getName(): Promise<string | null> {\n    return (await this._input()).getAttribute('name');\n  }\n\n  /** Gets the radio-button's id. */\n  async getId(): Promise<string | null> {\n    return (await this.host()).getProperty<string>('id');\n  }\n\n  /**\n   * Gets the value of the radio-button. The radio-button value will be converted to a string.\n   *\n   * Note: This means that for radio-button's with an object as a value `[object Object]` is\n   * intentionally returned.\n   */\n  async getValue(): Promise<string | null> {\n    return (await this._input()).getProperty('value');\n  }\n\n  /** Gets the radio-button's label text. */\n  async getLabelText(): Promise<string> {\n    return (await this._textLabel()).text();\n  }\n\n  /** Focuses the radio-button. */\n  async focus(): Promise<void> {\n    return (await this._input()).focus();\n  }\n\n  /** Blurs the radio-button. */\n  async blur(): Promise<void> {\n    return (await this._input()).blur();\n  }\n\n  /** Whether the radio-button is focused. */\n  async isFocused(): Promise<boolean> {\n    return (await this._input()).isFocused();\n  }\n\n  /**\n   * Puts the radio-button in a checked state by clicking it if it is currently unchecked,\n   * or doing nothing if it is already checked.\n   */\n  async check(): Promise<void> {\n    if (!(await this.isChecked())) {\n      return (await this._clickLabel()).click();\n    }\n  }\n}\n\n/** Harness for interacting with a standard mat-radio-button in tests. */\nexport class MatRadioButtonHarness extends _MatRadioButtonHarnessBase {\n  /** The selector for the host element of a `MatRadioButton` instance. */\n  static hostSelector = '.mat-radio-button';\n\n  /**\n   * Gets a `HarnessPredicate` that can be used to search for a `MatRadioButtonHarness` that meets\n   * certain criteria.\n   * @param options Options for filtering which radio button instances are considered a match.\n   * @return a `HarnessPredicate` configured with the given options.\n   */\n  static with(options: RadioButtonHarnessFilters = {}): HarnessPredicate<MatRadioButtonHarness> {\n    return new HarnessPredicate(MatRadioButtonHarness, options)\n      .addOption('label', options.label, (harness, label) =>\n        HarnessPredicate.stringMatches(harness.getLabelText(), label),\n      )\n      .addOption('name', options.name, async (harness, name) => (await harness.getName()) === name)\n      .addOption(\n        'checked',\n        options.checked,\n        async (harness, checked) => (await harness.isChecked()) == checked,\n      );\n  }\n\n  protected _textLabel = this.locatorFor('.mat-radio-label-content');\n  protected _clickLabel = this.locatorFor('.mat-radio-label');\n}\n"]}