Add processlist tests

Refs #849

ng2-components/ng2-activiti-processlist/src/components/activiti-processlist.component.spec.ts

@@ -0,0 +1,100 @@
+/*!
+ * @license
+ * Copyright 2016 Alfresco Software, Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { DebugElement, SimpleChange } from '@angular/core';
+import { ComponentFixture, TestBed, async } from '@angular/core/testing';
+import { Observable } from 'rxjs/Rx';
+import { ActivitiProcessInstanceListComponent } from './activiti-processlist.component';
+import { TranslationMock } from './../assets/translation.service.mock';
+import { FilterRepresentationModel } from 'ng2-activiti-tasklist';
+import { ActivitiProcessService } from '../services/activiti-process.service';
+import { AlfrescoTranslationService, CoreModule } from 'ng2-alfresco-core';
+import { DataTableModule } from 'ng2-alfresco-datatable';
+
+describe('ActivitiProcessInstanceListComponent', () => {
+
+    let fixture: ComponentFixture<ActivitiProcessInstanceListComponent>;
+    let component: ActivitiProcessInstanceListComponent;
+    let element: DebugElement;
+    let service: ActivitiProcessService;
+
+    let mockFilter = new FilterRepresentationModel({
+        appId: '1',
+        filter: {
+            name: '',
+            state: '',
+            sort: ''
+        }
+    });
+
+    beforeEach(async(() => {
+        TestBed.configureTestingModule({
+            imports: [
+                CoreModule,
+                DataTableModule
+            ],
+            declarations: [ ActivitiProcessInstanceListComponent ], // declare the test component
+            providers: [
+                ActivitiProcessService,
+                {provide: AlfrescoTranslationService, useClass: TranslationMock}
+            ]
+        }).compileComponents().then(() => {
+            fixture = TestBed.createComponent(ActivitiProcessInstanceListComponent);
+            component = fixture.componentInstance;
+            element = fixture.debugElement;
+            service = element.injector.get(ActivitiProcessService);
+        });
+    }));
+
+    it('should initialise data table', () => {
+        fixture.detectChanges();
+    });
+
+    it('should fetch process instances when a filter is provided', () => {
+        let getProcessInstancesSpy = spyOn(service, 'getProcessInstances').and.returnValue(Observable.of([]));
+        component.filter = mockFilter;
+        fixture.detectChanges();
+        expect(getProcessInstancesSpy).toHaveBeenCalled();
+    });
+
+    it('should NOT fetch process instances if filter not provided', () => {
+        let getProcessInstancesSpy = spyOn(service, 'getProcessInstances').and.returnValue(Observable.of([]));
+        fixture.detectChanges();
+        expect(getProcessInstancesSpy).not.toHaveBeenCalled();
+    });
+
+    describe('component changes', () => {
+
+        it('should fetch new process instances when filter changed', () => {
+            component.filter = new FilterRepresentationModel({});
+            fixture.detectChanges();
+            let getProcessInstancesSpy = spyOn(service, 'getProcessInstances').and.returnValue(Observable.of([]));
+            component.ngOnChanges({ filter: new SimpleChange(mockFilter, mockFilter) });
+            expect(getProcessInstancesSpy).toHaveBeenCalled();
+        });
+
+        it('should NOT fetch new process instances when properties apart from filter changed', () => {
+            component.filter = mockFilter;
+            fixture.detectChanges();
+            let getProcessInstancesSpy = spyOn(service, 'getProcessInstances').and.returnValue(Observable.of([]));
+            component.ngOnChanges({});
+            expect(getProcessInstancesSpy).not.toHaveBeenCalled();
+        });
+
+    });
+
+});

ng2-components/ng2-activiti-processlist/src/components/activiti-processlist.component.ts

@@ -87,7 +87,7 @@ export class ActivitiProcessInstanceListComponent implements OnInit, OnChanges {
         );
     }
 
-    load(requestNode: TaskQueryRequestRepresentationModel) {
+    private load(requestNode: TaskQueryRequestRepresentationModel) {
         this.processService.getProcessInstances(requestNode)
             .subscribe(
                 (processInstances) => {