Add unit test cases for UI components

Unit test cases are added for app.component, utils,
entity-filter.pipe from pipes and headers-interceptor from
http-interceptor

Signed-off-by: imam.hussain <imam.hussain@est.tech>
Issue-ID: SDC-4066
Change-Id: Iccc66f6b255ea790d6c58061d5129e4804a04457

1 files changed, 104 insertions, 0 deletions

diff --git a/catalog-ui/src/app/ng2/http-interceptor/headers-interceptor.spec.ts b/catalog-ui/src/app/ng2/http-interceptor/headers-interceptor.spec.ts
new file mode 100644
index 0000000000..570ff38174
--- /dev/null
+++ b/catalog-ui/src/app/ng2/http-interceptor/headers-interceptor.spec.ts
@@ -0,0 +1,104 @@
+/*
+* ============LICENSE_START=======================================================
+* SDC
+* ================================================================================
+*  Copyright (C) 2022 Nordix Foundation. All rights reserved.
+*  ================================================================================
+*  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.
+*
+*  SPDX-License-Identifier: Apache-2.0
+*  ============LICENSE_END=========================================================
+*/
+
+import { async, TestBed } from "@angular/core/testing";
+import { ConfigureFn, configureTests } from "../../../jest/test-config.helper";
+import { NO_ERRORS_SCHEMA } from "@angular/core";
+import { HeadersInterceptor } from './headers-interceptor';
+import { SdcConfigToken } from "../config/sdc-config.config";
+import { Injector } from '@angular/core';
+import { of } from 'rxjs';
+import { TranslateService } from '../shared/translator/translate.service';
+import { Cookie2Service } from '../services/cookie.service';
+import { HttpHelperService } from '../services/http-hepler.service';
+import { HttpErrorResponse, HttpEvent, HttpResponse, HttpRequest } from '@angular/common/http';
+import { ModelService } from "../services/model.service";
+
+describe('HeadersInterceptor service', () => {
+
+    let headerService: HeadersInterceptor;
+    let cookieServiceMock: Partial<Cookie2Service>;
+    let httpServiceMock: Partial<HttpHelperService>;
+
+    beforeEach(
+        async(() => {
+            cookieServiceMock = {
+                getCookieByName: jest.fn(),
+                getUserIdSuffix: jest.fn().mockImplementation(() => 'urlSuffix'),
+                getUserId: jest.fn().mockImplementation(() => '009'),
+                getFirstName: jest.fn().mockImplementation(() => 'First Name'),
+                getLastName: jest.fn().mockImplementation(() => 'Last Name'),
+                getEmail: jest.fn().mockImplementation(() => 'names@test.com'),
+            };
+            httpServiceMock = {
+                getUuidValue: jest.fn().mockImplementation(() => '001'),
+                replaceUrlParams: jest.fn(),
+                getHeaderMd5: jest.fn()
+            };
+
+            const configure: ConfigureFn = testBed => {
+                testBed.configureTestingModule({
+                    declarations: [],
+                    imports: [],
+                    schemas: [NO_ERRORS_SCHEMA],
+                    providers: [HeadersInterceptor,
+                        { provide: SdcConfigToken },
+                        { provide: Injector },
+                        { provide: Cookie2Service, useValue: cookieServiceMock },
+                        { provide: HttpHelperService, useValue: httpServiceMock },
+                        { provide: TranslateService },
+                        { provide: ModelService }
+                    ],
+                });
+            };
+            configureTests(configure).then(testBed => {
+                headerService = TestBed.get(HeadersInterceptor);
+            });
+        })
+    );
+
+    it('HeadersInterceptor should be created', () => {
+        expect(headerService).toBeTruthy();
+    });
+
+    it('should set correct request headers', done => {
+        const mockHandler = {
+            handle: jest.fn(() => of(
+                new HttpResponse({ status: 200 })))
+        };
+        of(headerService.intercept(new HttpRequest<any>('GET', '/test'), mockHandler)).subscribe(response => {
+            expect(response).toBeTruthy();
+            done();
+        });
+    });
+
+    it('should throw 500 error with correct message', done => {
+        const mockHandler = {
+            handle: jest.fn(() => of(
+                new HttpErrorResponse({ status: 500, error: 'This is a error' })))
+        };
+        of(headerService.intercept(new HttpRequest<any>('GET', '/test'), mockHandler)).subscribe(error => {
+            expect(error.source.value.name).toBe('HttpErrorResponse');
+            expect(error.source.value.status).toBe(500);
+            done();
+        });
+    });
+});