@angular/material
Version:
Angular Material
234 lines • 28.9 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 { __awaiter } from "tslib";
import { ComponentHarness, HarnessPredicate } from '@angular/cdk/testing';
import { MatInputHarness } from '@angular/material/input/testing';
import { MatSelectHarness } from '@angular/material/select/testing';
/** Harness for interacting with a standard Material form-field's in tests. */
export class MatFormFieldHarness extends ComponentHarness {
constructor() {
super(...arguments);
this._prefixContainer = this.locatorForOptional('.mat-form-field-prefix');
this._suffixContainer = this.locatorForOptional('.mat-form-field-suffix');
this._label = this.locatorForOptional('.mat-form-field-label');
this._errors = this.locatorForAll('.mat-error');
this._hints = this.locatorForAll('mat-hint, .mat-hint');
this._inputControl = this.locatorForOptional(MatInputHarness);
this._selectControl = this.locatorForOptional(MatSelectHarness);
}
/**
* Gets a `HarnessPredicate` that can be used to search for a `MatFormFieldHarness` that meets
* certain criteria.
* @param options Options for filtering which form field instances are considered a match.
* @return a `HarnessPredicate` configured with the given options.
*/
static with(options = {}) {
return new HarnessPredicate(MatFormFieldHarness, options)
.addOption('floatingLabelText', options.floatingLabelText, (harness, text) => __awaiter(this, void 0, void 0, function* () { return HarnessPredicate.stringMatches(yield harness.getLabel(), text); }))
.addOption('hasErrors', options.hasErrors, (harness, hasErrors) => __awaiter(this, void 0, void 0, function* () { return (yield harness.hasErrors()) === hasErrors; }));
}
/** Gets the appearance of the form-field. */
getAppearance() {
return __awaiter(this, void 0, void 0, function* () {
const hostClasses = yield (yield this.host()).getAttribute('class');
if (hostClasses !== null) {
const appearanceMatch = hostClasses.match(/mat-form-field-appearance-(legacy|standard|fill|outline)(?:$| )/);
if (appearanceMatch) {
return appearanceMatch[1];
}
}
throw Error('Could not determine appearance of form-field.');
});
}
// Implementation of the "getControl" method overload signatures.
getControl(type) {
return __awaiter(this, void 0, void 0, function* () {
if (type) {
return this.locatorForOptional(type)();
}
const hostEl = yield this.host();
const [isInput, isSelect] = yield Promise.all([
hostEl.hasClass('mat-form-field-type-mat-input'),
hostEl.hasClass('mat-form-field-type-mat-select'),
]);
if (isInput) {
return this._inputControl();
}
else if (isSelect) {
return this._selectControl();
}
return null;
});
}
/** Whether the form-field has a label. */
hasLabel() {
return __awaiter(this, void 0, void 0, function* () {
return (yield this.host()).hasClass('mat-form-field-has-label');
});
}
/** Gets the label of the form-field. */
getLabel() {
return __awaiter(this, void 0, void 0, function* () {
const labelEl = yield this._label();
return labelEl ? labelEl.text() : null;
});
}
/** Whether the form-field has errors. */
hasErrors() {
return __awaiter(this, void 0, void 0, function* () {
return (yield this.getTextErrors()).length > 0;
});
}
/** Whether the label is currently floating. */
isLabelFloating() {
return __awaiter(this, void 0, void 0, function* () {
const [hasLabel, shouldFloat] = yield Promise.all([
this.hasLabel(),
(yield this.host()).hasClass('mat-form-field-should-float'),
]);
// If there is no label, the label conceptually can never float. The `should-float` class
// is just always set regardless of whether the label is displayed or not.
return hasLabel && shouldFloat;
});
}
/** Whether the form-field is disabled. */
isDisabled() {
return __awaiter(this, void 0, void 0, function* () {
return (yield this.host()).hasClass('mat-form-field-disabled');
});
}
/** Whether the form-field is currently autofilled. */
isAutofilled() {
return __awaiter(this, void 0, void 0, function* () {
return (yield this.host()).hasClass('mat-form-field-autofilled');
});
}
/** Gets the theme color of the form-field. */
getThemeColor() {
return __awaiter(this, void 0, void 0, function* () {
const hostEl = yield this.host();
const [isAccent, isWarn] = yield Promise.all([hostEl.hasClass('mat-accent'), hostEl.hasClass('mat-warn')]);
if (isAccent) {
return 'accent';
}
else if (isWarn) {
return 'warn';
}
return 'primary';
});
}
/** Gets error messages which are currently displayed in the form-field. */
getTextErrors() {
return __awaiter(this, void 0, void 0, function* () {
return Promise.all((yield this._errors()).map(e => e.text()));
});
}
/** Gets hint messages which are currently displayed in the form-field. */
getTextHints() {
return __awaiter(this, void 0, void 0, function* () {
return Promise.all((yield this._hints()).map(e => e.text()));
});
}
/**
* Gets a reference to the container element which contains all projected
* prefixes of the form-field.
* @deprecated Use `getPrefixText` instead.
* @breaking-change 11.0.0
*/
getHarnessLoaderForPrefix() {
return __awaiter(this, void 0, void 0, function* () {
return this._prefixContainer();
});
}
/** Gets the text inside the prefix element. */
getPrefixText() {
return __awaiter(this, void 0, void 0, function* () {
const prefix = yield this._prefixContainer();
return prefix ? prefix.text() : '';
});
}
/**
* Gets a reference to the container element which contains all projected
* suffixes of the form-field.
* @deprecated Use `getSuffixText` instead.
* @breaking-change 11.0.0
*/
getHarnessLoaderForSuffix() {
return __awaiter(this, void 0, void 0, function* () {
return this._suffixContainer();
});
}
/** Gets the text inside the suffix element. */
getSuffixText() {
return __awaiter(this, void 0, void 0, function* () {
const suffix = yield this._suffixContainer();
return suffix ? suffix.text() : '';
});
}
/**
* Whether the form control has been touched. Returns "null"
* if no form control is set up.
*/
isControlTouched() {
return __awaiter(this, void 0, void 0, function* () {
if (!(yield this._hasFormControl())) {
return null;
}
return (yield this.host()).hasClass('ng-touched');
});
}
/**
* Whether the form control is dirty. Returns "null"
* if no form control is set up.
*/
isControlDirty() {
return __awaiter(this, void 0, void 0, function* () {
if (!(yield this._hasFormControl())) {
return null;
}
return (yield this.host()).hasClass('ng-dirty');
});
}
/**
* Whether the form control is valid. Returns "null"
* if no form control is set up.
*/
isControlValid() {
return __awaiter(this, void 0, void 0, function* () {
if (!(yield this._hasFormControl())) {
return null;
}
return (yield this.host()).hasClass('ng-valid');
});
}
/**
* Whether the form control is pending validation. Returns "null"
* if no form control is set up.
*/
isControlPending() {
return __awaiter(this, void 0, void 0, function* () {
if (!(yield this._hasFormControl())) {
return null;
}
return (yield this.host()).hasClass('ng-pending');
});
}
/** Checks whether the form-field control has set up a form control. */
_hasFormControl() {
return __awaiter(this, void 0, void 0, function* () {
const hostEl = yield this.host();
// If no form "NgControl" is bound to the form-field control, the form-field
// is not able to forward any control status classes. Therefore if either the
// "ng-touched" or "ng-untouched" class is set, we know that it has a form control
const [isTouched, isUntouched] = yield Promise.all([hostEl.hasClass('ng-touched'), hostEl.hasClass('ng-untouched')]);
return isTouched || isUntouched;
});
}
}
MatFormFieldHarness.hostSelector = '.mat-form-field';
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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 {\n  ComponentHarness,\n  ComponentHarnessConstructor,\n  HarnessPredicate,\n  HarnessQuery,\n  TestElement\n} from '@angular/cdk/testing';\nimport {MatFormFieldControlHarness} from '@angular/material/form-field/testing/control';\nimport {MatInputHarness} from '@angular/material/input/testing';\nimport {MatSelectHarness} from '@angular/material/select/testing';\nimport {FormFieldHarnessFilters} from './form-field-harness-filters';\n\n// TODO(devversion): support datepicker harness once developed (COMP-203).\n// Also support chip list harness.\n/** Possible harnesses of controls which can be bound to a form-field. */\nexport type FormFieldControlHarness = MatInputHarness|MatSelectHarness;\n\n/** Harness for interacting with a standard Material form-field's in tests. */\nexport class MatFormFieldHarness extends ComponentHarness {\n  static hostSelector = '.mat-form-field';\n\n  /**\n   * Gets a `HarnessPredicate` that can be used to search for a `MatFormFieldHarness` that meets\n   * certain criteria.\n   * @param options Options for filtering which form field instances are considered a match.\n   * @return a `HarnessPredicate` configured with the given options.\n   */\n  static with(options: FormFieldHarnessFilters = {}): HarnessPredicate<MatFormFieldHarness> {\n    return new HarnessPredicate(MatFormFieldHarness, options)\n      .addOption('floatingLabelText', options.floatingLabelText, async (harness, text) =>\n          HarnessPredicate.stringMatches(await harness.getLabel(), text))\n      .addOption('hasErrors', options.hasErrors, async (harness, hasErrors) =>\n          await harness.hasErrors() === hasErrors);\n  }\n\n  private _prefixContainer = this.locatorForOptional('.mat-form-field-prefix');\n  private _suffixContainer = this.locatorForOptional('.mat-form-field-suffix');\n  private _label = this.locatorForOptional('.mat-form-field-label');\n  private _errors = this.locatorForAll('.mat-error');\n  private _hints = this.locatorForAll('mat-hint, .mat-hint');\n\n  private _inputControl = this.locatorForOptional(MatInputHarness);\n  private _selectControl = this.locatorForOptional(MatSelectHarness);\n\n  /** Gets the appearance of the form-field. */\n  async getAppearance(): Promise<'legacy'|'standard'|'fill'|'outline'> {\n    const hostClasses = await (await this.host()).getAttribute('class');\n    if (hostClasses !== null) {\n      const appearanceMatch =\n          hostClasses.match(/mat-form-field-appearance-(legacy|standard|fill|outline)(?:$| )/);\n      if (appearanceMatch) {\n        return appearanceMatch[1] as 'legacy' | 'standard' | 'fill' | 'outline';\n      }\n    }\n    throw Error('Could not determine appearance of form-field.');\n  }\n\n  /**\n   * Gets the harness of the control that is bound to the form-field. Only\n   * default controls such as \"MatInputHarness\" and \"MatSelectHarness\" are\n   * supported.\n   */\n  async getControl(): Promise<FormFieldControlHarness|null>;\n\n  /**\n   * Gets the harness of the control that is bound to the form-field. Searches\n   * for a control that matches the specified harness type.\n   */\n  async getControl<X extends MatFormFieldControlHarness>(type: ComponentHarnessConstructor<X>):\n      Promise<X|null>;\n\n  /**\n   * Gets the harness of the control that is bound to the form-field. Searches\n   * for a control that matches the specified harness predicate.\n   */\n  async getControl<X extends MatFormFieldControlHarness>(type: HarnessPredicate<X>):\n      Promise<X|null>;\n\n  // Implementation of the \"getControl\" method overload signatures.\n  async getControl<X extends MatFormFieldControlHarness>(type?: HarnessQuery<X>) {\n    if (type) {\n      return this.locatorForOptional(type)();\n    }\n    const hostEl = await this.host();\n    const [isInput, isSelect] = await Promise.all([\n      hostEl.hasClass('mat-form-field-type-mat-input'),\n      hostEl.hasClass('mat-form-field-type-mat-select'),\n    ]);\n    if (isInput) {\n      return this._inputControl();\n    } else if (isSelect) {\n      return this._selectControl();\n    }\n    return null;\n  }\n\n  /** Whether the form-field has a label. */\n  async hasLabel(): Promise<boolean> {\n    return (await this.host()).hasClass('mat-form-field-has-label');\n  }\n\n  /** Gets the label of the form-field. */\n  async getLabel(): Promise<string|null> {\n    const labelEl = await this._label();\n    return labelEl ? labelEl.text() : null;\n  }\n\n  /** Whether the form-field has errors. */\n  async hasErrors(): Promise<boolean> {\n    return (await this.getTextErrors()).length > 0;\n  }\n\n  /** Whether the label is currently floating. */\n  async isLabelFloating(): Promise<boolean> {\n    const [hasLabel, shouldFloat] = await Promise.all([\n      this.hasLabel(),\n      (await this.host()).hasClass('mat-form-field-should-float'),\n    ]);\n    // If there is no label, the label conceptually can never float. The `should-float` class\n    // is just always set regardless of whether the label is displayed or not.\n    return hasLabel && shouldFloat;\n  }\n\n  /** Whether the form-field is disabled. */\n  async isDisabled(): Promise<boolean> {\n    return (await this.host()).hasClass('mat-form-field-disabled');\n  }\n\n  /** Whether the form-field is currently autofilled. */\n  async isAutofilled(): Promise<boolean> {\n    return (await this.host()).hasClass('mat-form-field-autofilled');\n  }\n\n  /** Gets the theme color of the form-field. */\n  async getThemeColor(): Promise<'primary'|'accent'|'warn'> {\n    const hostEl = await this.host();\n    const [isAccent, isWarn] =\n        await Promise.all([hostEl.hasClass('mat-accent'), hostEl.hasClass('mat-warn')]);\n    if (isAccent) {\n      return 'accent';\n    } else if (isWarn) {\n      return 'warn';\n    }\n    return 'primary';\n  }\n\n  /** Gets error messages which are currently displayed in the form-field. */\n  async getTextErrors(): Promise<string[]> {\n    return Promise.all((await this._errors()).map(e => e.text()));\n  }\n\n  /** Gets hint messages which are currently displayed in the form-field. */\n  async getTextHints(): Promise<string[]> {\n    return Promise.all((await this._hints()).map(e => e.text()));\n  }\n\n  /**\n   * Gets a reference to the container element which contains all projected\n   * prefixes of the form-field.\n   * @deprecated Use `getPrefixText` instead.\n   * @breaking-change 11.0.0\n   */\n  async getHarnessLoaderForPrefix(): Promise<TestElement|null> {\n    return this._prefixContainer();\n  }\n\n  /** Gets the text inside the prefix element. */\n  async getPrefixText(): Promise<string> {\n    const prefix = await this._prefixContainer();\n    return prefix ? prefix.text() : '';\n  }\n\n  /**\n   * Gets a reference to the container element which contains all projected\n   * suffixes of the form-field.\n   * @deprecated Use `getSuffixText` instead.\n   * @breaking-change 11.0.0\n   */\n  async getHarnessLoaderForSuffix(): Promise<TestElement|null> {\n    return this._suffixContainer();\n  }\n\n  /** Gets the text inside the suffix element. */\n  async getSuffixText(): Promise<string> {\n    const suffix = await this._suffixContainer();\n    return suffix ? suffix.text() : '';\n  }\n\n  /**\n   * Whether the form control has been touched. Returns \"null\"\n   * if no form control is set up.\n   */\n  async isControlTouched(): Promise<boolean|null> {\n    if (!await this._hasFormControl()) {\n      return null;\n    }\n    return (await this.host()).hasClass('ng-touched');\n  }\n\n  /**\n   * Whether the form control is dirty. Returns \"null\"\n   * if no form control is set up.\n   */\n  async isControlDirty(): Promise<boolean|null> {\n    if (!await this._hasFormControl()) {\n      return null;\n    }\n    return (await this.host()).hasClass('ng-dirty');\n  }\n\n  /**\n   * Whether the form control is valid. Returns \"null\"\n   * if no form control is set up.\n   */\n  async isControlValid(): Promise<boolean|null> {\n    if (!await this._hasFormControl()) {\n      return null;\n    }\n    return (await this.host()).hasClass('ng-valid');\n  }\n\n  /**\n   * Whether the form control is pending validation. Returns \"null\"\n   * if no form control is set up.\n   */\n  async isControlPending(): Promise<boolean|null> {\n    if (!await this._hasFormControl()) {\n      return null;\n    }\n    return (await this.host()).hasClass('ng-pending');\n  }\n\n  /** Checks whether the form-field control has set up a form control. */\n  private async _hasFormControl(): Promise<boolean> {\n    const hostEl = await this.host();\n    // If no form \"NgControl\" is bound to the form-field control, the form-field\n    // is not able to forward any control status classes. Therefore if either the\n    // \"ng-touched\" or \"ng-untouched\" class is set, we know that it has a form control\n    const [isTouched, isUntouched] =\n        await Promise.all([hostEl.hasClass('ng-touched'), hostEl.hasClass('ng-untouched')]);\n    return isTouched || isUntouched;\n  }\n}\n"]}