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/**
 * @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.dev/license
 */
import { Component, Injectable, ViewChild } from '@angular/core';
import { TestBed } from '@angular/core/testing';
import { Router, RouterOutlet, ɵafterNextNavigation as afterNextNavigation } from '@angular/router';
import * as i0 from "@angular/core";
export class RootFixtureService {
    createHarness() {
        if (this.harness) {
            throw new Error('Only one harness should be created per test.');
        }
        this.harness = new RouterTestingHarness(this.getRootFixture());
        return this.harness;
    }
    getRootFixture() {
        if (this.fixture !== undefined) {
            return this.fixture;
        }
        this.fixture = TestBed.createComponent(RootCmp);
        this.fixture.detectChanges();
        return this.fixture;
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.11", ngImport: i0, type: RootFixtureService, deps: [], target: i0.ɵɵFactoryTarget.Injectable }); }
    static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.11", ngImport: i0, type: RootFixtureService, providedIn: 'root' }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.11", ngImport: i0, type: RootFixtureService, decorators: [{
            type: Injectable,
            args: [{ providedIn: 'root' }]
        }] });
export class RootCmp {
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.11", ngImport: i0, type: RootCmp, deps: [], target: i0.ɵɵFactoryTarget.Component }); }
    static { this.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "18.2.11", type: RootCmp, isStandalone: true, selector: "ng-component", viewQueries: [{ propertyName: "outlet", first: true, predicate: RouterOutlet, descendants: true }], ngImport: i0, template: '', isInline: true, dependencies: [{ kind: "directive", type: RouterOutlet, selector: "router-outlet", inputs: ["name"], outputs: ["activate", "deactivate", "attach", "detach"], exportAs: ["outlet"] }] }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.11", ngImport: i0, type: RootCmp, decorators: [{
            type: Component,
            args: [{
                    standalone: true,
                    template: '',
                    imports: [RouterOutlet],
                }]
        }], propDecorators: { outlet: [{
                type: ViewChild,
                args: [RouterOutlet]
            }] } });
/**
 * A testing harness for the `Router` to reduce the boilerplate needed to test routes and routed
 * components.
 *
 * @publicApi
 */
export class RouterTestingHarness {
    /**
     * Creates a `RouterTestingHarness` instance.
     *
     * The `RouterTestingHarness` also creates its own root component with a `RouterOutlet` for the
     * purposes of rendering route components.
     *
     * Throws an error if an instance has already been created.
     * Use of this harness also requires `destroyAfterEach: true` in the `ModuleTeardownOptions`
     *
     * @param initialUrl The target of navigation to trigger before returning the harness.
     */
    static async create(initialUrl) {
        const harness = TestBed.inject(RootFixtureService).createHarness();
        if (initialUrl !== undefined) {
            await harness.navigateByUrl(initialUrl);
        }
        return harness;
    }
    /** @internal */
    constructor(fixture) {
        this.fixture = fixture;
    }
    /** Instructs the root fixture to run change detection. */
    detectChanges() {
        this.fixture.detectChanges();
    }
    /** The `DebugElement` of the `RouterOutlet` component. `null` if the outlet is not activated. */
    get routeDebugElement() {
        const outlet = this.fixture.componentInstance.outlet;
        if (!outlet || !outlet.isActivated) {
            return null;
        }
        return this.fixture.debugElement.query((v) => v.componentInstance === outlet.component);
    }
    /** The native element of the `RouterOutlet` component. `null` if the outlet is not activated. */
    get routeNativeElement() {
        return this.routeDebugElement?.nativeElement ?? null;
    }
    async navigateByUrl(url, requiredRoutedComponentType) {
        const router = TestBed.inject(Router);
        let resolveFn;
        const redirectTrackingPromise = new Promise((resolve) => {
            resolveFn = resolve;
        });
        afterNextNavigation(TestBed.inject(Router), resolveFn);
        await router.navigateByUrl(url);
        await redirectTrackingPromise;
        this.fixture.detectChanges();
        const outlet = this.fixture.componentInstance.outlet;
        // The outlet might not be activated if the user is testing a navigation for a guard that
        // rejects
        if (outlet && outlet.isActivated && outlet.activatedRoute.component) {
            const activatedComponent = outlet.component;
            if (requiredRoutedComponentType !== undefined &&
                !(activatedComponent instanceof requiredRoutedComponentType)) {
                throw new Error(`Unexpected routed component type. Expected ${requiredRoutedComponentType.name} but got ${activatedComponent.constructor.name}`);
            }
            return activatedComponent;
        }
        else {
            if (requiredRoutedComponentType !== undefined) {
                throw new Error(`Unexpected routed component type. Expected ${requiredRoutedComponentType.name} but the navigation did not activate any component.`);
            }
            return null;
        }
    }
}
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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.dev/license\n */\n\nimport {Component, DebugElement, Injectable, Type, ViewChild} from '@angular/core';\nimport {ComponentFixture, TestBed} from '@angular/core/testing';\nimport {Router, RouterOutlet, ɵafterNextNavigation as afterNextNavigation} from '@angular/router';\n\n@Injectable({providedIn: 'root'})\nexport class RootFixtureService {\n  private fixture?: ComponentFixture<RootCmp>;\n  private harness?: RouterTestingHarness;\n\n  createHarness(): RouterTestingHarness {\n    if (this.harness) {\n      throw new Error('Only one harness should be created per test.');\n    }\n    this.harness = new RouterTestingHarness(this.getRootFixture());\n    return this.harness;\n  }\n\n  private getRootFixture(): ComponentFixture<RootCmp> {\n    if (this.fixture !== undefined) {\n      return this.fixture;\n    }\n    this.fixture = TestBed.createComponent(RootCmp);\n    this.fixture.detectChanges();\n    return this.fixture;\n  }\n}\n\n@Component({\n  standalone: true,\n  template: '<router-outlet></router-outlet>',\n  imports: [RouterOutlet],\n})\nexport class RootCmp {\n  @ViewChild(RouterOutlet) outlet?: RouterOutlet;\n}\n\n/**\n * A testing harness for the `Router` to reduce the boilerplate needed to test routes and routed\n * components.\n *\n * @publicApi\n */\nexport class RouterTestingHarness {\n  /**\n   * Creates a `RouterTestingHarness` instance.\n   *\n   * The `RouterTestingHarness` also creates its own root component with a `RouterOutlet` for the\n   * purposes of rendering route components.\n   *\n   * Throws an error if an instance has already been created.\n   * Use of this harness also requires `destroyAfterEach: true` in the `ModuleTeardownOptions`\n   *\n   * @param initialUrl The target of navigation to trigger before returning the harness.\n   */\n  static async create(initialUrl?: string): Promise<RouterTestingHarness> {\n    const harness = TestBed.inject(RootFixtureService).createHarness();\n    if (initialUrl !== undefined) {\n      await harness.navigateByUrl(initialUrl);\n    }\n    return harness;\n  }\n\n  /**\n   * Fixture of the root component of the RouterTestingHarness\n   */\n  public readonly fixture: ComponentFixture<unknown>;\n\n  /** @internal */\n  constructor(fixture: ComponentFixture<unknown>) {\n    this.fixture = fixture;\n  }\n\n  /** Instructs the root fixture to run change detection. */\n  detectChanges(): void {\n    this.fixture.detectChanges();\n  }\n  /** The `DebugElement` of the `RouterOutlet` component. `null` if the outlet is not activated. */\n  get routeDebugElement(): DebugElement | null {\n    const outlet = (this.fixture.componentInstance as RootCmp).outlet;\n    if (!outlet || !outlet.isActivated) {\n      return null;\n    }\n    return this.fixture.debugElement.query((v) => v.componentInstance === outlet.component);\n  }\n  /** The native element of the `RouterOutlet` component. `null` if the outlet is not activated. */\n  get routeNativeElement(): HTMLElement | null {\n    return this.routeDebugElement?.nativeElement ?? null;\n  }\n\n  /**\n   * Triggers a `Router` navigation and waits for it to complete.\n   *\n   * The root component with a `RouterOutlet` created for the harness is used to render `Route`\n   * components. The root component is reused within the same test in subsequent calls to\n   * `navigateForTest`.\n   *\n   * When testing `Routes` with a guards that reject the navigation, the `RouterOutlet` might not be\n   * activated and the `activatedComponent` may be `null`.\n   *\n   * {@example router/testing/test/router_testing_harness_examples.spec.ts region='Guard'}\n   *\n   * @param url The target of the navigation. Passed to `Router.navigateByUrl`.\n   * @returns The activated component instance of the `RouterOutlet` after navigation completes\n   *     (`null` if the outlet does not get activated).\n   */\n  async navigateByUrl(url: string): Promise<null | {}>;\n  /**\n   * Triggers a router navigation and waits for it to complete.\n   *\n   * The root component with a `RouterOutlet` created for the harness is used to render `Route`\n   * components.\n   *\n   * {@example router/testing/test/router_testing_harness_examples.spec.ts region='RoutedComponent'}\n   *\n   * The root component is reused within the same test in subsequent calls to `navigateByUrl`.\n   *\n   * This function also makes it easier to test components that depend on `ActivatedRoute` data.\n   *\n   * {@example router/testing/test/router_testing_harness_examples.spec.ts region='ActivatedRoute'}\n   *\n   * @param url The target of the navigation. Passed to `Router.navigateByUrl`.\n   * @param requiredRoutedComponentType After navigation completes, the required type for the\n   *     activated component of the `RouterOutlet`. If the outlet is not activated or a different\n   *     component is activated, this function will throw an error.\n   * @returns The activated component instance of the `RouterOutlet` after navigation completes.\n   */\n  async navigateByUrl<T>(url: string, requiredRoutedComponentType: Type<T>): Promise<T>;\n  async navigateByUrl<T>(url: string, requiredRoutedComponentType?: Type<T>): Promise<T | null> {\n    const router = TestBed.inject(Router);\n    let resolveFn!: () => void;\n    const redirectTrackingPromise = new Promise<void>((resolve) => {\n      resolveFn = resolve;\n    });\n    afterNextNavigation(TestBed.inject(Router), resolveFn);\n    await router.navigateByUrl(url);\n    await redirectTrackingPromise;\n    this.fixture.detectChanges();\n    const outlet = (this.fixture.componentInstance as RootCmp).outlet;\n    // The outlet might not be activated if the user is testing a navigation for a guard that\n    // rejects\n    if (outlet && outlet.isActivated && outlet.activatedRoute.component) {\n      const activatedComponent = outlet.component;\n      if (\n        requiredRoutedComponentType !== undefined &&\n        !(activatedComponent instanceof requiredRoutedComponentType)\n      ) {\n        throw new Error(\n          `Unexpected routed component type. Expected ${requiredRoutedComponentType.name} but got ${activatedComponent.constructor.name}`,\n        );\n      }\n      return activatedComponent as T;\n    } else {\n      if (requiredRoutedComponentType !== undefined) {\n        throw new Error(\n          `Unexpected routed component type. Expected ${requiredRoutedComponentType.name} but the navigation did not activate any component.`,\n        );\n      }\n      return null;\n    }\n  }\n}\n"]}