Xref part, Fix GNP-5842.

frontend/src/app/xrefs/xrefs.component.spec.ts

+import { async, TestBed } from '@angular/core/testing';
+
+import { XrefsComponent } from './xrefs.component';
+import { ComponentTester, speculoosMatchers } from 'ngx-speculoos';
+import { XrefModel } from '../models/xref.model';
+import { of } from 'rxjs';
+import { GnpisService } from '../gnpis.service';
+import { CardSectionComponent } from '../card-section/card-section.component';
+import { CardTableComponent } from '../card-table/card-table.component';
+
+describe('XrefsComponent', () => {
+    beforeEach(() => jasmine.addMatchers(speculoosMatchers));
+
+    class XrefsComponentTester extends ComponentTester<XrefsComponent> {
+        constructor() {
+            super(XrefsComponent);
+        }
+
+        get cardHeader() {
+            return this.element('div.card-header');
+        }
+
+        get columns() {
+            return this.elements('td');
+        }
+    }
+
+    const gnpisService = jasmine.createSpyObj(
+        'GnpisService', [
+            'xref'
+        ]
+    );
+
+    const xref: XrefModel[] = [{
+        url: 'https://urgi.versailles.inra.fr/association/association/viewer.do#results/analysisIds=1808038',
+        description: 'Col-Fa-b*_MLM+Q+K is a GWASd anté paneCol-Fa-b*_MLM+Q+K is aGAS anlysis involving CC_Qualité' +
+            'djs dsqdsq djsqpodsjqodsqdsqkpdqpdWOLOLOLOOOOOOOsqpkdsqkdsqkdsqdsdsqdsqdsqddsqffjùsodfusjùfsfsd',
+        database_name: 'GnpIS',
+        entry_type: 'GWAS analysis',
+        db_version: 'GWAS_ANALYSIS_1808038_1'
+    }];
+
+
+    const xrefBlank: XrefModel[] = [];
+
+
+    beforeEach(async(() => {
+        TestBed.configureTestingModule({
+            declarations: [
+                XrefsComponent, CardSectionComponent, CardTableComponent
+            ],
+            providers: [
+                { provide: GnpisService, useValue: gnpisService },
+            ]
+        });
+    }));
+
+    it('should fetch the xref information', async(() => {
+        gnpisService.xref.and.returnValue(of(xref));
+        const tester = new XrefsComponentTester();
+
+        tester.detectChanges();
+
+        expect(tester.cardHeader).toContainText('Cross References');
+        expect(tester.columns[0]).toContainText(xref[0].db_version);
+        expect(tester.columns[1]).toContainText(xref[0].database_name);
+        expect(tester.columns[2]).toContainText(xref[0].entry_type);
+        expect(tester.columns[3].textContent.length).toBeLessThanOrEqual(124);
+
+    }));
+
+
+    it('should not display cross references', async(() => {
+        gnpisService.xref.and.returnValue(of(xrefBlank));
+        const tester = new XrefsComponentTester();
+        tester.detectChanges();
+
+        expect(tester.cardHeader).toBeFalsy();
+
+    }));
+});