From f6150f6398a351c1eab487b959f7644197df90f6 Mon Sep 17 00:00:00 2001
From: MKirova <MKirova@DEV-MKIROVA>
Date: Wed, 16 Mar 2022 12:12:46 +0200
Subject: [PATCH] chore(*): Add coverage for different pivot aggregates.

---
 .../grids/pivot-grid/pivot-grid-aggregate.ts  |  8 ++---
 .../grids/pivot-grid/pivot-grid.pipes.spec.ts | 33 ++++++++++++++++++-
 2 files changed, 36 insertions(+), 5 deletions(-)

diff --git a/projects/igniteui-angular/src/lib/grids/pivot-grid/pivot-grid-aggregate.ts b/projects/igniteui-angular/src/lib/grids/pivot-grid/pivot-grid-aggregate.ts
index 53f6e4af14d..892ddf26882 100644
--- a/projects/igniteui-angular/src/lib/grids/pivot-grid/pivot-grid-aggregate.ts
+++ b/projects/igniteui-angular/src/lib/grids/pivot-grid/pivot-grid-aggregate.ts
@@ -173,7 +173,7 @@ export class IgxPivotDateAggregate extends IgxPivotAggregate {
      *
      * @memberof IgxPivotDateAggregate
      */
-    public static latest(members: number[]) {
+    public static latest(members: any[]) {
         return IgxDateSummaryOperand.latest(members);
     }
 
@@ -186,7 +186,7 @@ export class IgxPivotDateAggregate extends IgxPivotAggregate {
      *
      * @memberof IgxPivotDateAggregate
      */
-    public static earliest(members: number[]) {
+    public static earliest(members: any[]) {
         return IgxDateSummaryOperand.earliest(members);
     }
 }
@@ -225,7 +225,7 @@ export class IgxPivotTimeAggregate extends IgxPivotAggregate {
      *
      * @memberof IgxPivotTimeAggregate
      */
-    public static latestTime(members: number[]) {
+    public static latestTime(members: any[]) {
         return IgxTimeSummaryOperand.latestTime(members);
     }
 
@@ -238,7 +238,7 @@ export class IgxPivotTimeAggregate extends IgxPivotAggregate {
      *
      * @memberof IgxPivotTimeAggregate
      */
-    public static earliestTime(members: number[]) {
+    public static earliestTime(members: any[]) {
         return IgxTimeSummaryOperand.earliestTime(members);
     }
 }
diff --git a/projects/igniteui-angular/src/lib/grids/pivot-grid/pivot-grid.pipes.spec.ts b/projects/igniteui-angular/src/lib/grids/pivot-grid/pivot-grid.pipes.spec.ts
index 4bf4d510960..f040db86f63 100644
--- a/projects/igniteui-angular/src/lib/grids/pivot-grid/pivot-grid.pipes.spec.ts
+++ b/projects/igniteui-angular/src/lib/grids/pivot-grid/pivot-grid.pipes.spec.ts
@@ -1,7 +1,7 @@
 import { NoopPivotDimensionsStrategy } from '../../data-operations/pivot-strategy';
 import { configureTestSuite } from '../../test-utils/configure-suite';
 import { IgxPivotDateDimension } from './pivot-grid-dimensions';
-import { IgxPivotNumericAggregate } from './pivot-grid-aggregate';
+import { IgxPivotAggregate, IgxPivotDateAggregate, IgxPivotNumericAggregate, IgxPivotTimeAggregate } from './pivot-grid-aggregate';
 import { IPivotConfiguration } from './pivot-grid.interface';
 import { IgxPivotAutoTransform, IgxPivotColumnPipe, IgxPivotRowExpansionPipe, IgxPivotRowPipe } from './pivot-grid.pipes';
 import { PivotGridFunctions } from '../../test-utils/pivot-grid-functions.spec';
@@ -293,6 +293,37 @@ describe('Pivot pipes #pivotGrid', () => {
             { 'All-USA-UnitsSold': 240, 'All-USA-UnitPrice': 18.13, 'All-UnitsSold': 240, 'All-UnitPrice': 18.13 }]);
     });
 
+    it('should return correct values for each pivot aggregation type', () => {
+        // check each aggregator has correct aggregations
+        expect(IgxPivotAggregate.aggregators().map(x => x.key)).toEqual(['COUNT']);
+        expect(IgxPivotNumericAggregate.aggregators().map(x => x.key)).toEqual(['COUNT', 'MIN', 'MAX', 'SUM', 'AVG']);
+        expect(IgxPivotDateAggregate.aggregators().map(x => x.key)).toEqual(['COUNT', 'LATEST', 'EARLIEST']);
+        expect(IgxPivotTimeAggregate.aggregators().map(x => x.key)).toEqual(['COUNT', 'LATEST', 'EARLIEST']);
+
+        // check aggregations are applied correctly
+        expect(IgxPivotAggregate.count([1, 2, 3])).toEqual(3);
+
+        expect(IgxPivotNumericAggregate.count([1, 2, 3])).toEqual(3);
+        expect(IgxPivotNumericAggregate.min([1, 2, 3])).toEqual(1);
+        expect(IgxPivotNumericAggregate.max([1, 2, 3])).toEqual(3);
+        expect(IgxPivotNumericAggregate.sum([1, 2, 3])).toEqual(6);
+        expect(IgxPivotNumericAggregate.average([1, 2, 3])).toEqual(2);
+
+        expect(IgxPivotDateAggregate.latest(['01/01/2021', '01/01/2022', '02/01/2021'])).toEqual('01/01/2022');
+        expect(IgxPivotDateAggregate.earliest(['01/01/2021', '01/01/2022', '02/01/2021'])).toEqual('01/01/2021');
+
+
+        expect(IgxPivotTimeAggregate.latestTime(['01/01/2021 8:00', '01/01/2021 1:00', '01/01/2021 22:00'])).toEqual(new Date('01/01/2021 22:00'));
+        expect(IgxPivotTimeAggregate.earliestTime(['01/01/2021 8:00', '01/01/2021 1:00', '01/01/2021 22:00'])).toEqual(new Date('01/01/2021 1:00'));
+
+        // check localization can be changed
+        IgxPivotTimeAggregate.resourceStrings = {
+            igx_grid_pivot_aggregate_time_earliest: 'Earliest Custom Time'
+        };
+
+        expect(IgxPivotTimeAggregate.aggregators().find(x => x.key === 'EARLIEST').label).toEqual('Earliest Custom Time');
+    });
+
     it('allow setting NoopPivotDimensionsStrategy for rows/columns', () => {
         const preprocessedData = [
             {