@angular/material
Version:
Angular Material
94 lines • 13 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 { coerceNumberProperty } from '@angular/cdk/coercion';
import { ComponentHarness, HarnessPredicate, parallel, } from '@angular/cdk/testing';
/** Harness for interacting with a thumb inside of a Material slider in tests. */
export class MatSliderThumbHarness extends ComponentHarness {
/**
* Gets a `HarnessPredicate` that can be used to search for a slider thumb with specific attributes.
* @param options Options for filtering which thumb instances are considered a match.
* @return a `HarnessPredicate` configured with the given options.
*/
static with(options = {}) {
return new HarnessPredicate(this, options).addOption('position', options.position, async (harness, value) => {
return (await harness.getPosition()) === value;
});
}
/** Gets the position of the thumb inside the slider. */
async getPosition() {
// Meant to mimic MDC's logic where `matSliderThumb` is treated as END.
const isStart = (await (await this.host()).getAttribute('matSliderStartThumb')) != null;
return isStart ? 0 /* ThumbPosition.START */ : 1 /* ThumbPosition.END */;
}
/** Gets the value of the thumb. */
async getValue() {
return await (await this.host()).getProperty('valueAsNumber');
}
/** Sets the value of the thumb. */
async setValue(newValue) {
const input = await this.host();
// Since this is a range input, we can't simulate the user interacting with it so we set the
// value directly and dispatch a couple of fake events to ensure that everything fires.
await input.setInputValue(newValue + '');
await input.dispatchEvent('input');
await input.dispatchEvent('change');
}
/** Gets the current percentage value of the slider. */
async getPercentage() {
const [value, min, max] = await parallel(() => [
this.getValue(),
this.getMinValue(),
this.getMaxValue(),
]);
return (value - min) / (max - min);
}
/** Gets the maximum value of the thumb. */
async getMaxValue() {
return coerceNumberProperty(await (await this.host()).getProperty('max'));
}
/** Gets the minimum value of the thumb. */
async getMinValue() {
return coerceNumberProperty(await (await this.host()).getProperty('min'));
}
/** Gets the text representation of the slider's value. */
async getDisplayValue() {
return (await (await this.host()).getAttribute('aria-valuetext')) || '';
}
/** Whether the thumb is disabled. */
async isDisabled() {
return (await this.host()).getProperty('disabled');
}
/** Gets the name of the thumb. */
async getName() {
return await (await this.host()).getProperty('name');
}
/** Gets the id of the thumb. */
async getId() {
return await (await this.host()).getProperty('id');
}
/**
* Focuses the thumb and returns a promise that indicates when the
* action is complete.
*/
async focus() {
return (await this.host()).focus();
}
/**
* Blurs the thumb and returns a promise that indicates when the
* action is complete.
*/
async blur() {
return (await this.host()).blur();
}
/** Whether the thumb is focused. */
async isFocused() {
return (await this.host()).isFocused();
}
}
MatSliderThumbHarness.hostSelector = 'input[matSliderThumb], input[matSliderStartThumb], input[matSliderEndThumb]';
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ThumbPosition.START : ThumbPosition.END;\n  }\n\n  /** Gets the value of the thumb. */\n  async getValue(): Promise<number> {\n    return await (await this.host()).getProperty<number>('valueAsNumber');\n  }\n\n  /** Sets the value of the thumb. */\n  async setValue(newValue: number): Promise<void> {\n    const input = await this.host();\n\n    // Since this is a range input, we can't simulate the user interacting with it so we set the\n    // value directly and dispatch a couple of fake events to ensure that everything fires.\n    await input.setInputValue(newValue + '');\n    await input.dispatchEvent('input');\n    await input.dispatchEvent('change');\n  }\n\n  /** Gets the current percentage value of the slider. */\n  async getPercentage(): Promise<number> {\n    const [value, min, max] = await parallel(() => [\n      this.getValue(),\n      this.getMinValue(),\n      this.getMaxValue(),\n    ]);\n\n    return (value - min) / (max - min);\n  }\n\n  /** Gets the maximum value of the thumb. */\n  async getMaxValue(): Promise<number> {\n    return coerceNumberProperty(await (await this.host()).getProperty<number>('max'));\n  }\n\n  /** Gets the minimum value of the thumb. */\n  async getMinValue(): Promise<number> {\n    return coerceNumberProperty(await (await this.host()).getProperty<number>('min'));\n  }\n\n  /** Gets the text representation of the slider's value. */\n  async getDisplayValue(): Promise<string> {\n    return (await (await this.host()).getAttribute('aria-valuetext')) || '';\n  }\n\n  /** Whether the thumb is disabled. */\n  async isDisabled(): Promise<boolean> {\n    return (await this.host()).getProperty<boolean>('disabled');\n  }\n\n  /** Gets the name of the thumb. */\n  async getName(): Promise<string> {\n    return await (await this.host()).getProperty<string>('name');\n  }\n\n  /** Gets the id of the thumb. */\n  async getId(): Promise<string> {\n    return await (await this.host()).getProperty<string>('id');\n  }\n\n  /**\n   * Focuses the thumb and returns a promise that indicates when the\n   * action is complete.\n   */\n  async focus(): Promise<void> {\n    return (await this.host()).focus();\n  }\n\n  /**\n   * Blurs the thumb and returns a promise that indicates when the\n   * action is complete.\n   */\n  async blur(): Promise<void> {\n    return (await this.host()).blur();\n  }\n\n  /** Whether the thumb is focused. */\n  async isFocused(): Promise<boolean> {\n    return (await this.host()).isFocused();\n  }\n}\n"]}