test(store): add sortgrid test

Author: nivekcode

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

@@ -0,0 +1,48 @@
+import {NgsgSortService} from './ngsg-sort.service';
+import createSpyObj = jasmine.createSpyObj;
+import {NgsgClassService} from './ngsg-class.service';
+import {NgsgStoreService} from './ngsg-store.service';
+import {NgsgElementsHelper} from './ngsg-elements.helper';
+
+describe('NgsgSortService', () => {
+
+  let sut: NgsgSortService;
+  const selectionService = createSpyObj<NgsgClassService>('classService',
+    ['addPlaceHolderClass', 'removePlaceHolderClass', 'addDroppedClass', 'removeSelectedClass']);
+  const ngsgStore = createSpyObj<NgsgStoreService>('ngsgStore', ['getFirstSelectItem', 'getSelectedItems']);
+
+  beforeEach(() => {
+    sut = new NgsgSortService(selectionService, ngsgStore);
+  });
+
+  const createElement = (value, nextSibling) => ({
+    value,
+    nextSibling,
+    parentNode: {
+      insertBefore: () => {
+      }
+    }
+  }) as any;
+
+  it('should insert the first element in the middle if we drag it to the right', () => {
+    const group = 'test-group';
+
+    const lastElement = createElement(3, null);
+    const middleElement = createElement(2, lastElement);
+    const firstElement = createElement(1, middleElement);
+
+    const dragElement = {originalIndex: 0, node: firstElement} as any;
+    const dropElement = middleElement as any;
+
+    ngsgStore.getFirstSelectItem.and.returnValue({originalIndex: 0});
+    ngsgStore.getSelectedItems.and.returnValue([dragElement]);
+    const insertBeforeSpy = spyOn(dropElement.parentNode, 'insertBefore');
+    NgsgElementsHelper.findIndex = () => 1;
+
+    sut.initSort(group);
+    sut.sort(dropElement);
+
+    expect(insertBeforeSpy).toHaveBeenCalledWith(dragElement.node, lastElement);
+  });
+
+});

projects/ng-sortgrid/src/lib/ngsg-sort.service.ts

@@ -2,7 +2,6 @@ import { Injectable } from '@angular/core';
 import { timer } from 'rxjs';
 
 import { NgsgStoreService } from './ngsg-store.service';
-import { NgsgSelectionService } from './ngsg-selection.service';
 import { NgsgClassService } from './ngsg-class.service';
 import { NgsgDragelement } from './ngsg-dragelement.model';
 import { NgsgElementsHelper } from './ngsg-elements.helper';
@@ -15,7 +14,6 @@ export class NgsgSortService {
   private dragElements: NgsgDragelement[];
 
   constructor(
-    private selectionService: NgsgSelectionService,
     private classService: NgsgClassService,
     private ngsgStore: NgsgStoreService
   ) {}