url service tests

Author: krawaller

src/specs/service.url.spec.ts

@@ -0,0 +1,91 @@
+/******************************************
+Unit tests for the Url service. We need to test...
+
+ * public urlToRepoList method
+ * public urlToUser method
+ * auth service usage
+
+/*******************************************/
+
+// --------------- Service mocks ---------------
+
+import * as sinon from 'sinon';
+
+const fakeAuthService = {
+  authState: {
+    token: Math.random.toString()
+  }
+};
+
+// --------------- Test config ---------------
+
+import { UrlService } from '../services/urlservice';
+import { AuthService } from '../services/authservice';
+
+const testModuleConfig = {
+  providers: [
+    UrlService,
+    {provide: AuthService, useValue: fakeAuthService},
+  ]
+}
+
+// --------------- Test suite ---------------
+
+import { TestBed, getTestBed } from '@angular/core/testing';
+import { expect } from 'chai';
+
+let service: UrlService;
+
+describe('UrlService', () => {
+  before(() => TestBed.configureTestingModule(testModuleConfig));
+  after(() => getTestBed().resetTestingModule());
+
+  const baseUrl = 'https://api.github.com/';
+
+  beforeEach(() => {
+    service = TestBed.get(UrlService);
+  });
+
+  it('should instantiate ok', () => {
+    expect(service).to.exist;
+  });
+
+  describe('the urlToUser method', () => {
+    const fakeUserId = Math.random().toString();
+    let result;
+
+    beforeEach(() => {
+      result = service.urlToUser(fakeUserId);
+    });
+
+    it('should give correct base URL', () => {
+      expect(result.split('?')[0]).to.equal(`${baseUrl}users/${fakeUserId}`);
+    });
+
+    it('should include access token as query param', () => {
+      expect(result.split('?')[1]).to.contain(`access_token=${fakeAuthService.authState.token}`);
+    });
+  });
+
+  describe('the urlToRepoList method', () => {
+    const fakeUserId = Math.random().toString();
+    const fakePage = Math.ceil(Math.random()*100);
+    let result;
+
+    beforeEach(() => {
+      result = service.urlToRepoList(fakeUserId, fakePage);
+    });
+
+    it('should give correct base URL', () => {
+      expect(result.split('?')[0]).to.equal(`${baseUrl}users/${fakeUserId}/repos`);
+    });
+
+    it('should include access token as query param', () => {
+      expect(result.split('?')[1]).to.contain(`access_token=${fakeAuthService.authState.token}`);
+    });
+
+    it('should include page as query param', () => {
+      expect(result.split('?')[1]).to.contain(`page=${fakePage}`);
+    });
+  });
+});