test: fill missing dates with custom string

Author: nagulan23

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

@@ -1478,6 +1478,66 @@ describe('ResultSet', () => {
           ]);
         });
 
+    test('fill missing dates with custom string', () => {
+              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': 'N/A'
+              })).toEqual([
+                {
+                  'Orders.createdAt.day': '2020-01-08T00:00:00.000',
+                  'Orders.total': 1
+                },
+                {
+                  'Orders.createdAt.day': '2020-01-09T00:00:00.000',
+                  'Orders.total': "N/A"
+                },
+                {
+                  'Orders.createdAt.day': '2020-01-10T00:00:00.000',
+                  'Orders.total': 10
+                },
+                {
+                  'Orders.createdAt.day': '2020-01-11T00:00:00.000',
+                  'Orders.total': "N/A"
+                }
+              ]);
+            });
+
     test('same dimension and time dimension without granularity', () => {
       const resultSet = new ResultSet({
         query: {