Add unit test.

1 files changed, 69 insertions, 2 deletions

diff --git a/Timeline/ClientApp/src/app/todo-list-page/todo-list.service.spec.ts b/Timeline/ClientApp/src/app/todo-list-page/todo-list.service.spec.ts
index 529ba8cc..7e88ca52 100644
--- a/Timeline/ClientApp/src/app/todo-list-page/todo-list.service.spec.ts
+++ b/Timeline/ClientApp/src/app/todo-list-page/todo-list.service.spec.ts
@@ -1,12 +1,79 @@
 import { TestBed } from '@angular/core/testing';
+import { HttpClientTestingModule, HttpTestingController } from '@angular/common/http/testing';
+
+import { TodoListService, WorkItem, AzureDevOpsAccessInfo, WiqlResult, WiqlWorkItemResult, WorkItemResult } from './todo-list.service';
 
-import { TodoListService } from './todo-list.service';
 
 describe('TodoListServiceService', () => {
-  beforeEach(() => TestBed.configureTestingModule({}));
+  beforeEach(() => TestBed.configureTestingModule({
+    imports: [HttpClientTestingModule]
+  }));
 
   it('should be created', () => {
+
+    const service: TodoListService = TestBed.get(TodoListService);
+    expect(service).toBeTruthy();
+  });
+
+  it('should work well', () => {
     const service: TodoListService = TestBed.get(TodoListService);
     expect(service).toBeTruthy();
+
+    const mockWorkItems: WorkItem[] = [{
+      id: 0,
+      title: 'Test work item 1',
+      closed: true
+    }, {
+      id: 1,
+      title: 'Test work item 2',
+      closed: false
+    }];
+
+    service.getWorkItemList().subscribe(data => {
+      expect(data).toEqual(mockWorkItems);
+    });
+
+    const httpController: HttpTestingController = TestBed.get(HttpTestingController);
+
+    const mockAccessInfo: AzureDevOpsAccessInfo = {
+      username: 'testusername',
+      personalAccessToken: 'testtoken',
+      organization: 'testorganization',
+      project: 'testproject'
+    };
+
+    httpController.expectOne('/api/TodoPage/AzureDevOpsAccessInfo').flush(mockAccessInfo);
+
+    const mockWiqlWorkItems: WiqlWorkItemResult[] = [{
+      id: 0,
+      url: `https://dev.azure.com/${mockAccessInfo.organization}/${mockAccessInfo.project}/_apis/wit/workItems/0`
+    }, {
+      id: 1,
+      url: `https://dev.azure.com/${mockAccessInfo.organization}/${mockAccessInfo.project}/_apis/wit/workItems/1`
+    }];
+
+    const authorizationHeader = 'Basic ' + btoa(mockAccessInfo.username + ':' + mockAccessInfo.personalAccessToken);
+
+    httpController.expectOne(req =>
+      req.url === `https://dev.azure.com/${mockAccessInfo.organization}/${mockAccessInfo.project}/_apis/wit/wiql?api-version=5.0` &&
+      req.headers.get('Authorization') === authorizationHeader
+    ).flush(<WiqlResult>{ workItems: mockWiqlWorkItems });
+
+    function mapWorkItemToResult(workItem: WorkItem): WorkItemResult {
+      return {
+        id: workItem.id,
+        fields: {
+          [TodoListService.titleFieldName]: workItem.title,
+          [TodoListService.stateFieldName]: (workItem.closed ? 'Closed' : 'Active')
+        }
+      };
+    }
+
+    for (let i = 0; i < mockWorkItems.length; i++) {
+      httpController.expectOne(req =>
+        req.url === mockWiqlWorkItems[i].url &&
+        req.headers.get('Authorization') === authorizationHeader
+      ).flush(mapWorkItemToResult(mockWorkItems[i]));
+    }
   });
 });