tests(core): add replaceable-components.state.spec

#2404

npm/ng-packs/packages/core/src/lib/tests/replaceable-components.state.spec.ts

@@ -0,0 +1,41 @@
+import { createHostFactory, SpectatorHost } from '@ngneat/spectator/jest';
+import { NgxsModule, Store } from '@ngxs/store';
+import { ReplaceableComponentsState } from '../states/replaceable-components.state';
+import { Component } from '@angular/core';
+import { AddReplaceableComponent } from '../actions';
+
+@Component({ selector: 'abp-dummy', template: 'dummy works' })
+class DummyComponent {}
+
+describe('ReplaceableComponentsState', () => {
+  let spectator: SpectatorHost<DummyComponent>;
+  const createHost = createHostFactory({
+    component: DummyComponent,
+    imports: [NgxsModule.forRoot([ReplaceableComponentsState])],
+  });
+
+  beforeEach(() => {
+    spectator = createHost('<abp-dummy></abp-dummy>');
+  });
+
+  it('should add a component to the state', () => {
+    const store = spectator.get(Store);
+    expect(store.selectSnapshot(ReplaceableComponentsState.getAll)).toEqual([]);
+    store.dispatch(new AddReplaceableComponent({ component: DummyComponent, key: 'Dummy' }));
+    expect(store.selectSnapshot(ReplaceableComponentsState.getComponent('Dummy'))).toEqual({
+      component: DummyComponent,
+      key: 'Dummy',
+    });
+  });
+
+  it('should replace a exist component', () => {
+    const store = spectator.get(Store);
+    store.dispatch(new AddReplaceableComponent({ component: DummyComponent, key: 'Dummy' }));
+    store.dispatch(new AddReplaceableComponent({ component: null, key: 'Dummy' }));
+    expect(store.selectSnapshot(ReplaceableComponentsState.getComponent('Dummy'))).toEqual({
+      component: null,
+      key: 'Dummy',
+    });
+    expect(store.selectSnapshot(ReplaceableComponentsState.getAll)).toHaveLength(1);
+  });
+});