refactor: reorganize imports in application-info.client.ts; add unit tests for ApplicationInfoClient

Author: costa-alex

ui/src/infrastructure/client/application-info.client.spec.ts

@@ -0,0 +1,55 @@
+import {
+  provideHttpClient
+} from '@angular/common/http';
+import {
+  HttpTestingController,
+  provideHttpClientTesting
+} from '@angular/common/http/testing';
+import {
+  TestBed
+} from '@angular/core/testing';
+
+import {
+  ApplicationInfoClient
+} from './application-info.client';
+
+describe('ApplicationInfoClient', () => {
+  let client: ApplicationInfoClient;
+  let httpTestingController: HttpTestingController;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      providers: [
+        ApplicationInfoClient,
+        provideHttpClient(),
+        provideHttpClientTesting()
+      ]
+    });
+
+    client = TestBed.inject(ApplicationInfoClient);
+
+    httpTestingController =
+      TestBed.inject(HttpTestingController);
+  });
+
+  afterEach(() => {
+    httpTestingController.verify();
+  });
+
+  it('should retrieve the application version', () => {
+    client.getVersion().subscribe(version => {
+      expect(version).toBe('0.4.12');
+    });
+
+    const request =
+      httpTestingController.expectOne('/actuator/info');
+
+    expect(request.request.method).toBe('GET');
+
+    request.flush({
+      build: {
+        version: '0.4.12'
+      }
+    });
+  });
+});

ui/src/infrastructure/client/application-info.client.ts

@@ -1,6 +1,13 @@
-import { HttpClient } from '@angular/common/http';
-import { Injectable } from '@angular/core';
-import { map, Observable } from 'rxjs';
+import {
+  HttpClient
+} from '@angular/common/http';
+import {
+  Injectable
+} from '@angular/core';
+import {
+  map,
+  Observable
+} from 'rxjs';
 
 interface ApplicationInfoResponse {
   build: {