Add expand collapse test.

Author: MKirova

projects/igniteui-angular/src/lib/grids/pivot-grid/pivot-grid.pipes.spec.ts

@@ -106,14 +106,120 @@ describe('Pivot pipes', () => {
         ]);
     });
 
+    it('allows setting expand/collapse state.', () => {
+        const expanded =  new Map<any, boolean>();
+        expanded.set('All', false);
+        const rowPipeCollapseResult = rowPipe.transform(data, pivotConfigHierarchy.rows, expanded, pivotConfigHierarchy.values);
+       expect(rowPipeCollapseResult).toEqual([
+           { field1:'All',records: [
+               {
+                    field1:'Clothing',
+                    records:[
+                    {ProductCategory:'Clothing',UnitPrice:12.81,SellerName:'Stanley',Country:'Bulgaria',Date:'01/01/2021',UnitsSold:282},
+                    {ProductCategory:'Clothing',UnitPrice:49.57,SellerName:'Elisa',Country:'USA',Date:'01/05/2019',UnitsSold:296},
+                    {ProductCategory:'Clothing',UnitPrice:68.33,SellerName:'Larry',Country:'Uruguay',Date:'05/12/2020',UnitsSold:456},
+                    {ProductCategory:'Clothing',UnitPrice:16.05,SellerName:'Walter',Country:'Bulgaria',Date:'02/19/2020',UnitsSold:492}
+                    ]
+                    ,level:1
+                },
+                {
+                    field1:'Bikes',
+                    records:[
+                        {ProductCategory:'Bikes',UnitPrice:3.56,SellerName:'Lydia',Country:'Uruguay',Date:'01/06/2020',UnitsSold:68}
+                    ]
+                    ,level:1
+                },
+                {
+                    field1:'Accessories',
+                    records:[
+                        {ProductCategory:'Accessories',UnitPrice:85.58,SellerName:'David',Country:'USA',Date:'04/07/2021',UnitsSold:293}
+                    ]
+                    ,level:1},
+                {
+                field1:'Components',
+                records:[
+                    {ProductCategory:'Components',UnitPrice:18.13,SellerName:'John',Country:'USA',Date:'12/08/2021',UnitsSold:240}
+                ]
+                ,level:1}
+            ]
+            ,level:0}
+        ]);
+
+        expanded.set('All', true);
+        const rowPipeExpandResult = rowPipe.transform(data, pivotConfigHierarchy.rows, expanded, pivotConfigHierarchy.values);
+        expect(rowPipeExpandResult).toEqual([
+            { field1:'All',records: [
+                {
+                     field1:'Clothing',
+                     records:[
+                     {ProductCategory:'Clothing',UnitPrice:12.81,SellerName:'Stanley',Country:'Bulgaria',Date:'01/01/2021',UnitsSold:282},
+                     {ProductCategory:'Clothing',UnitPrice:49.57,SellerName:'Elisa',Country:'USA',Date:'01/05/2019',UnitsSold:296},
+                     {ProductCategory:'Clothing',UnitPrice:68.33,SellerName:'Larry',Country:'Uruguay',Date:'05/12/2020',UnitsSold:456},
+                     {ProductCategory:'Clothing',UnitPrice:16.05,SellerName:'Walter',Country:'Bulgaria',Date:'02/19/2020',UnitsSold:492}
+                     ]
+                     ,level:1
+                 },
+                 {
+                     field1:'Bikes',
+                     records:[
+                         {ProductCategory:'Bikes',UnitPrice:3.56,SellerName:'Lydia',Country:'Uruguay',Date:'01/06/2020',UnitsSold:68}
+                     ]
+                     ,level:1
+                 },
+                 {
+                     field1:'Accessories',
+                     records:[
+                         {ProductCategory:'Accessories',UnitPrice:85.58,SellerName:'David',Country:'USA',Date:'04/07/2021',UnitsSold:293}
+                     ]
+                     ,level:1},
+                 {
+                 field1:'Components',
+                 records:[
+                     {ProductCategory:'Components',UnitPrice:18.13,SellerName:'John',Country:'USA',Date:'12/08/2021',UnitsSold:240}
+                 ]
+                 ,level:1}
+             ]
+             ,level:0},
+             {
+                field1:'Clothing',
+                records:[
+                {ProductCategory:'Clothing',UnitPrice:12.81,SellerName:'Stanley',Country:'Bulgaria',Date:'01/01/2021',UnitsSold:282},
+                {ProductCategory:'Clothing',UnitPrice:49.57,SellerName:'Elisa',Country:'USA',Date:'01/05/2019',UnitsSold:296},
+                {ProductCategory:'Clothing',UnitPrice:68.33,SellerName:'Larry',Country:'Uruguay',Date:'05/12/2020',UnitsSold:456},
+                {ProductCategory:'Clothing',UnitPrice:16.05,SellerName:'Walter',Country:'Bulgaria',Date:'02/19/2020',UnitsSold:492}
+                ]
+                ,level:1
+            },
+            {
+                field1:'Bikes',
+                records:[
+                    {ProductCategory:'Bikes',UnitPrice:3.56,SellerName:'Lydia',Country:'Uruguay',Date:'01/06/2020',UnitsSold:68}
+                ]
+                ,level:1
+            },
+            {
+                field1:'Accessories',
+                records:[
+                    {ProductCategory:'Accessories',UnitPrice:85.58,SellerName:'David',Country:'USA',Date:'04/07/2021',UnitsSold:293}
+                ]
+                ,level:1},
+            {
+            field1:'Components',
+            records:[
+                {ProductCategory:'Components',UnitPrice:18.13,SellerName:'John',Country:'USA',Date:'12/08/2021',UnitsSold:240}
+            ]
+            ,level:1}
+         ]);
+    });
+
     it('transforms flat data to pivot data multiple row dimensions', () => {
         const rowPipeResult = rowPipe.transform(data, [{
             member: 'ProductCategory',
             enabled: true,
             childLevels: []
         },
         {
-            member: 'Date',
+            member: Date,
             enabled: true,
             childLevels: []
         }], expansionStates, pivotConfigHierarchy.values);