test(store): test ngsg-store.service

Author: nivekcode

projects/ng-sortgrid-demo/src/app/app.component.spec.ts

@@ -0,0 +1,70 @@
+import {NgsgStoreService} from './ngsg-store.service';
+import {NgsgDragelement} from './ngsg-dragelement.model';
+
+describe('NgsgStoreService', () => {
+
+  let sut: NgsgStoreService;
+
+  beforeEach(() => {
+    sut = new NgsgStoreService();
+  });
+
+  describe('InitState', () => {
+
+    it('should add the items to the group', () => {
+      const group = 'testgroup';
+      const items = ['Item1', 'Item2'];
+      const classes = [];
+
+      sut.initState(group, items, classes);
+      expect(sut.getItems(group)).toEqual(items);
+    });
+
+    it('should add empty items to the group if we do not pass items in', () => {
+      const group = 'testgroup';
+      const items = undefined;
+      const classes = [];
+
+      sut.initState(group, items, classes);
+      expect(sut.getItems(group)).toEqual([]);
+    });
+
+    it('should add the classes to the group', () => {
+      const group = 'testgroup';
+      const items = ['Item1', 'Item2'];
+      const classes = ['Class1', 'Class2'];
+
+      sut.initState(group, items, classes);
+      expect(sut.getClasses(group)).toEqual(classes);
+    });
+  });
+
+  it('should set the items and then return it', () => {
+    const group = 'testGroup';
+    const items = ['ItemOne', 'ItemTwo'];
+    sut.initState(group);
+
+    sut.setItems(group, items);
+    expect(sut.getItems(group)).toEqual(items);
+  });
+
+  it('should set the selectedItems and then return it', () => {
+    const group = 'testGroup';
+    const selectedItems = ['ItemOne', 'ItemTwo'];
+    sut.initState(group);
+
+    sut.setSelectedItems(group, selectedItems);
+    expect(sut.getSelectedItems(group) as any).toEqual(selectedItems);
+  });
+
+  it('should get the first selectedItem', () => {
+    const group = 'testGroup';
+    const firstItem = 'ItemOne' as any;
+    const selectedItems = [firstItem, 'ItemTwo'] as any[];
+    sut.initState(group);
+
+    sut.setSelectedItems(group, selectedItems);
+    expect(sut.getFirstSelectItem(group)).toEqual(firstItem);
+  });
+
+});

projects/ng-sortgrid/src/lib/ngsg-store.service.spec.ts

@@ -14,7 +14,7 @@ export interface NgsgState {
 export class NgsgStoreService {
   private state = new Map<string, NgsgState>();
 
-  public initState(group: string, items: any[] = [], classes: any): void {
+  public initState(group: string, items: any[] = [], classes: any[] = []): void {
     this.state.set(group, {items: [...items], classes, selectedItems: []});
   }