@angular/material
Version:
Angular Material
192 lines • 18.3 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, __extends, __generator, __read } from "tslib";
import { ComponentHarness, HarnessPredicate } from '@angular/cdk/testing';
/** Harness for interacting with a standard mat-snack-bar in tests. */
var MatSnackBarHarness = /** @class */ (function (_super) {
__extends(MatSnackBarHarness, _super);
function MatSnackBarHarness() {
var _this = _super !== null && _super.apply(this, arguments) || this;
_this._simpleSnackBar = _this.locatorForOptional('.mat-simple-snackbar');
_this._simpleSnackBarMessage = _this.locatorFor('.mat-simple-snackbar > span');
_this._simpleSnackBarActionButton = _this.locatorForOptional('.mat-simple-snackbar-action > button');
return _this;
}
/**
* Gets a `HarnessPredicate` that can be used to search for a `MatSnackBarHarness` that meets
* certain criteria.
* @param options Options for filtering which snack bar instances are considered a match.
* @return a `HarnessPredicate` configured with the given options.
*/
MatSnackBarHarness.with = function (options) {
if (options === void 0) { options = {}; }
return new HarnessPredicate(MatSnackBarHarness, options);
};
/**
* Gets the role of the snack-bar. The role of a snack-bar is determined based
* on the ARIA politeness specified in the snack-bar config.
*/
MatSnackBarHarness.prototype.getRole = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.host()];
case 1: return [2 /*return*/, (_a.sent()).getAttribute('role')];
}
});
});
};
/**
* Whether the snack-bar has an action. Method cannot be used for snack-bar's with custom content.
*/
MatSnackBarHarness.prototype.hasAction = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this._assertSimpleSnackBar()];
case 1:
_a.sent();
return [4 /*yield*/, this._simpleSnackBarActionButton()];
case 2: return [2 /*return*/, (_a.sent()) !== null];
}
});
});
};
/**
* Gets the description of the snack-bar. Method cannot be used for snack-bar's without action or
* with custom content.
*/
MatSnackBarHarness.prototype.getActionDescription = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this._assertSimpleSnackBarWithAction()];
case 1:
_a.sent();
return [4 /*yield*/, this._simpleSnackBarActionButton()];
case 2: return [2 /*return*/, (_a.sent()).text()];
}
});
});
};
/**
* Dismisses the snack-bar by clicking the action button. Method cannot be used for snack-bar's
* without action or with custom content.
*/
MatSnackBarHarness.prototype.dismissWithAction = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this._assertSimpleSnackBarWithAction()];
case 1:
_a.sent();
return [4 /*yield*/, this._simpleSnackBarActionButton()];
case 2: return [4 /*yield*/, (_a.sent()).click()];
case 3:
_a.sent();
return [2 /*return*/];
}
});
});
};
/**
* Gets the message of the snack-bar. Method cannot be used for snack-bar's with custom content.
*/
MatSnackBarHarness.prototype.getMessage = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this._assertSimpleSnackBar()];
case 1:
_a.sent();
return [4 /*yield*/, this._simpleSnackBarMessage()];
case 2: return [2 /*return*/, (_a.sent()).text()];
}
});
});
};
/** Gets whether the snack-bar has been dismissed. */
MatSnackBarHarness.prototype.isDismissed = function () {
return __awaiter(this, void 0, void 0, function () {
var host, _a, exit, dimensions;
return __generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, this.host()];
case 1:
host = _b.sent();
return [4 /*yield*/, Promise.all([
// The snackbar container is marked with the "exit" attribute after it has been dismissed
// but before the animation has finished (after which it's removed from the DOM).
host.getAttribute('mat-exit'),
host.getDimensions(),
])];
case 2:
_a = __read.apply(void 0, [_b.sent(), 2]), exit = _a[0], dimensions = _a[1];
return [2 /*return*/, exit != null || (!!dimensions && dimensions.height === 0 && dimensions.width === 0)];
}
});
});
};
/**
* Asserts that the current snack-bar does not use custom content. Promise rejects if
* custom content is used.
*/
MatSnackBarHarness.prototype._assertSimpleSnackBar = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this._isSimpleSnackBar()];
case 1:
if (!(_a.sent())) {
throw Error('Method cannot be used for snack-bar with custom content.');
}
return [2 /*return*/];
}
});
});
};
/**
* Asserts that the current snack-bar does not use custom content and has
* an action defined. Otherwise the promise will reject.
*/
MatSnackBarHarness.prototype._assertSimpleSnackBarWithAction = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this._assertSimpleSnackBar()];
case 1:
_a.sent();
return [4 /*yield*/, this.hasAction()];
case 2:
if (!(_a.sent())) {
throw Error('Method cannot be used for standard snack-bar without action.');
}
return [2 /*return*/];
}
});
});
};
/** Whether the snack-bar is using the default content template. */
MatSnackBarHarness.prototype._isSimpleSnackBar = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this._simpleSnackBar()];
case 1: return [2 /*return*/, (_a.sent()) !== null];
}
});
});
};
// Developers can provide a custom component or template for the
// snackbar. The canonical snack-bar parent is the "MatSnackBarContainer".
/** The selector for the host element of a `MatSnackBar` instance. */
MatSnackBarHarness.hostSelector = '.mat-snack-bar-container';
return MatSnackBarHarness;
}(ComponentHarness));
export { MatSnackBarHarness };
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The canonical snack-bar parent is the \"MatSnackBarContainer\".\n  /** The selector for the host element of a `MatSnackBar` instance. */\n  static hostSelector = '.mat-snack-bar-container';\n\n  private _simpleSnackBar = this.locatorForOptional('.mat-simple-snackbar');\n  private _simpleSnackBarMessage = this.locatorFor('.mat-simple-snackbar > span');\n  private _simpleSnackBarActionButton =\n      this.locatorForOptional('.mat-simple-snackbar-action > button');\n\n  /**\n   * Gets a `HarnessPredicate` that can be used to search for a `MatSnackBarHarness` that meets\n   * certain criteria.\n   * @param options Options for filtering which snack bar instances are considered a match.\n   * @return a `HarnessPredicate` configured with the given options.\n   */\n  static with(options: SnackBarHarnessFilters = {}): HarnessPredicate<MatSnackBarHarness> {\n    return new HarnessPredicate(MatSnackBarHarness, options);\n  }\n\n  /**\n   * Gets the role of the snack-bar. The role of a snack-bar is determined based\n   * on the ARIA politeness specified in the snack-bar config.\n   */\n  async getRole(): Promise<'alert'|'status'|null> {\n    return (await this.host()).getAttribute('role') as Promise<'alert'|'status'|null>;\n  }\n\n  /**\n   * Whether the snack-bar has an action. Method cannot be used for snack-bar's with custom content.\n   */\n  async hasAction(): Promise<boolean> {\n    await this._assertSimpleSnackBar();\n    return (await this._simpleSnackBarActionButton()) !== null;\n  }\n\n  /**\n   * Gets the description of the snack-bar. Method cannot be used for snack-bar's without action or\n   * with custom content.\n   */\n  async getActionDescription(): Promise<string> {\n    await this._assertSimpleSnackBarWithAction();\n    return (await this._simpleSnackBarActionButton())!.text();\n  }\n\n\n  /**\n   * Dismisses the snack-bar by clicking the action button. Method cannot be used for snack-bar's\n   * without action or with custom content.\n   */\n  async dismissWithAction(): Promise<void> {\n    await this._assertSimpleSnackBarWithAction();\n    await (await this._simpleSnackBarActionButton())!.click();\n  }\n\n  /**\n   * Gets the message of the snack-bar. Method cannot be used for snack-bar's with custom content.\n   */\n  async getMessage(): Promise<string> {\n    await this._assertSimpleSnackBar();\n    return (await this._simpleSnackBarMessage()).text();\n  }\n\n  /** Gets whether the snack-bar has been dismissed. */\n  async isDismissed(): Promise<boolean> {\n    // We consider the snackbar dismissed if it's not in the DOM. We can assert that the\n    // element isn't in the DOM by seeing that its width and height are zero.\n\n    const host = await this.host();\n    const [exit, dimensions] = await Promise.all([\n      // The snackbar container is marked with the \"exit\" attribute after it has been dismissed\n      // but before the animation has finished (after which it's removed from the DOM).\n      host.getAttribute('mat-exit'),\n      host.getDimensions(),\n    ]);\n\n    return exit != null || (!!dimensions && dimensions.height === 0 && dimensions.width === 0);\n  }\n\n  /**\n   * Asserts that the current snack-bar does not use custom content. Promise rejects if\n   * custom content is used.\n   */\n  private async _assertSimpleSnackBar(): Promise<void> {\n    if (!await this._isSimpleSnackBar()) {\n      throw Error('Method cannot be used for snack-bar with custom content.');\n    }\n  }\n\n  /**\n   * Asserts that the current snack-bar does not use custom content and has\n   * an action defined. Otherwise the promise will reject.\n   */\n  private async _assertSimpleSnackBarWithAction(): Promise<void> {\n    await this._assertSimpleSnackBar();\n    if (!await this.hasAction()) {\n      throw Error('Method cannot be used for standard snack-bar without action.');\n    }\n  }\n\n  /** Whether the snack-bar is using the default content template. */\n  private async _isSimpleSnackBar(): Promise<boolean> {\n    return await this._simpleSnackBar() !== null;\n  }\n}\n"]}