added test for KWIC display

mc_frontend/src/app/exercise-list/exercise-list.page.html

@@ -100,7 +100,7 @@
                     </ion-row>
                     <ion-row>
                         <ion-col>
-                            <ion-button (click)="getExerciseList()"
+                            <ion-button (click)="getExerciseList(true)"
                                         disabled="{{!hasVocChanged}}">{{ 'APPLY' | translate }}
                             </ion-button>
                         </ion-col>

mc_frontend/src/app/exercise-parameters/exercise-parameters.page.spec.ts

@@ -54,27 +54,26 @@ describe('ExerciseParametersPage', () => {
 
     it('should generate an exercise', (done) => {
         exerciseParametersPage.corpusService.annisResponse = {solutions: []};
-        exerciseParametersPage.corpusService.initCurrentCorpus().then(() => {
+        exerciseParametersPage.corpusService.initCurrentCorpus().then(async () => {
             exerciseParametersPage.corpusService.currentTextRange = new ReplaySubject<TextRange>(1);
             exerciseParametersPage.corpusService.currentTextRange.next(new TextRange({start: [], end: []}));
             const h5pSpy: Spy = spyOn(exerciseParametersPage, 'getH5Pexercise').and.returnValue(Promise.resolve());
+            await exerciseParametersPage.generateExercise();
+            expect(exerciseParametersPage.corpusService.annisResponse.solutions).toBeFalsy();
+            expect(h5pSpy).toHaveBeenCalledTimes(1);
+            configMC.maxTextLength = 1;
+            exerciseParametersPage.corpusService.currentText = 'text';
             exerciseParametersPage.generateExercise().then(() => {
-                expect(exerciseParametersPage.corpusService.annisResponse.solutions).toBeFalsy();
+            }, () => {
                 expect(h5pSpy).toHaveBeenCalledTimes(1);
-                configMC.maxTextLength = 1;
-                exerciseParametersPage.corpusService.currentText = 'text';
+                configMC.maxTextLength = 0;
+                exerciseParametersPage.corpusService.exercise.queryItems[0].phenomenon = Phenomenon.Lemma;
+                exerciseParametersPage.corpusService.exercise.type = ExerciseType.matching;
+                exerciseParametersPage.corpusService.exercise.queryItems.push(new QueryMC({values: []}));
                 exerciseParametersPage.generateExercise().then(() => {
                 }, () => {
                     expect(h5pSpy).toHaveBeenCalledTimes(1);
-                    configMC.maxTextLength = 0;
-                    exerciseParametersPage.corpusService.exercise.queryItems[0].phenomenon = Phenomenon.Lemma;
-                    exerciseParametersPage.corpusService.exercise.type = ExerciseType.matching;
-                    exerciseParametersPage.corpusService.exercise.queryItems.push(new QueryMC({values: []}));
-                    exerciseParametersPage.generateExercise().then(() => {
-                    }, () => {
-                        expect(h5pSpy).toHaveBeenCalledTimes(1);
-                        done();
-                    });
+                    done();
                 });
             });
         });

mc_frontend/src/app/kwic/kwic.page.spec.ts

@@ -9,7 +9,7 @@ import {TranslateTestingModule} from '../translate-testing/translate-testing.mod
 import {APP_BASE_HREF} from '@angular/common';
 
 describe('KwicPage', () => {
-    let component: KwicPage;
+    let kwicPage: KwicPage;
     let fixture: ComponentFixture<KwicPage>;
 
     beforeEach(async(() => {
@@ -31,11 +31,16 @@ describe('KwicPage', () => {
 
     beforeEach(() => {
         fixture = TestBed.createComponent(KwicPage);
-        component = fixture.componentInstance;
+        kwicPage = fixture.componentInstance;
         fixture.detectChanges();
     });
 
     it('should create', () => {
-        expect(component).toBeTruthy();
+        expect(kwicPage).toBeTruthy();
+        const svgElement: SVGElement = document.querySelector(kwicPage.svgElementSelector);
+        expect(svgElement.innerHTML).toBeFalsy();
+        kwicPage.exerciseService.kwicGraphs = '<svg></svg>';
+        kwicPage.initVisualization();
+        expect(svgElement.innerHTML).toBeTruthy();
     });
 });