test: fill missing dates with custom value

Author: nagulan23

packages/cubejs-client-core/src/tests/ResultSet.test.js

@@ -1418,6 +1418,66 @@ describe('ResultSet', () => {
       ]);
     });
 
+    test('fill missing dates with custom value', () => {
+          const resultSet = new ResultSet({
+            query: {
+              measures: ['Orders.total'],
+              timeDimensions: [
+                {
+                  dimension: 'Orders.createdAt',
+                  granularity: 'day',
+                  dateRange: ['2020-01-08T00:00:00.000', '2020-01-11T23:59:59.999']
+                }
+              ],
+              filters: [],
+              timezone: 'UTC'
+            },
+            data: [
+              {
+                'Orders.createdAt': '2020-01-08T00:00:00.000',
+                'Orders.total': 1
+              },
+              {
+                'Orders.createdAt': '2020-01-10T00:00:00.000',
+                'Orders.total': 10
+              }
+            ],
+            annotation: {
+              measures: {},
+              dimensions: {},
+              segments: {},
+              timeDimensions: {
+                'Orders.createdAt': {
+                  title: 'Orders Created at',
+                  shortTitle: 'Created at',
+                  type: 'time'
+                }
+              }
+            }
+          });
+
+          expect(resultSet.tablePivot({
+            'fillWithValue': 5
+          })).toEqual([
+            {
+              'Orders.createdAt.day': '2020-01-08T00:00:00.000',
+              'Orders.total': 1
+            },
+            {
+              'Orders.createdAt.day': '2020-01-09T00:00:00.000',
+              'Orders.total': 5
+            },
+            {
+              'Orders.createdAt.day': '2020-01-10T00:00:00.000',
+              'Orders.total': 10
+            },
+            {
+              'Orders.createdAt.day': '2020-01-11T00:00:00.000',
+              'Orders.total': 5
+            }
+          ]);
+        });
+
     test('same dimension and time dimension without granularity', () => {
       const resultSet = new ResultSet({
         query: {