fix(search) : set Unit test

src/app/structure-list/services/search.service.spec.ts

@@ -25,13 +25,22 @@ describe('SearchService', () => {
       { id: '172', count: 1 },
       { id: '173', count: 1 },
     ];
-    const m1: Module = { id: '176', text: 'strm1', count: 0 };
-    const m2: Module = { id: '173', text: 'strm2', count: 0 };
-    const m3: Module = { id: '172', text: 'strm3', count: 0 };
+    const m1: Module = new Module('176', 'strm1');
+    const m2: Module = new Module('173', 'strm2');
+    const m3: Module = new Module('172', 'strm3');
     const category: Category = new Category({ name: 'strCateg', modules: [m1, m2, m3] });
     const result = service.setCountModules(category, structureCount);
     expect(result.modules[0].count).toBe(2);
     expect(result.modules[1].count).toBe(1);
     expect(result.modules[2].count).toBe(1);
   });
+
+  it('should return an index about finding module', () => {
+    const m1: Module = new Module('176', 'strm1');
+    const m2: Module = new Module('173', 'strm2');
+    const m3: Module = new Module('172', 'strm3');
+    const arrayModule: Module[] = [m1, m2, m3];
+    const index = service.getIndex(arrayModule, m2.id, m2.text);
+    expect(index).toBe(1);
+  });
 });