add activedTabsHistory.test.js

Author: dev-javascript

src/utils/api/activedTabsHistory.test.js

@@ -0,0 +1,21 @@
+import SelectedTabsHistory from './activedTabsHistory.js';
+let obj = null;
+beforeEach(() => {
+  obj = new SelectedTabsHistory();
+});
+afterEach(() => {
+  obj = null;
+});
+describe('SelectedTabsHistory.prototype.remove :  ', () => {
+  test('it should remove all occurrences of an element in the array', () => {
+    obj.tabsId = ['1', '2', '1', '3', '4', '2', '6'];
+    obj.remove('1').remove('2');
+    expect(obj.tabsId.indexOf('1')).toBe(-1);
+    expect(obj.tabsId.indexOf('2')).toBe(-1);
+  });
+  test('it should not work with number as a parameter', () => {
+    obj.tabsId = ['1', '2', '1', '3', '4', '2', '6'];
+    obj.remove(1);
+    expect(obj.tabsId.indexOf('1')).toBe(0);
+  });
+});