grafana/public/app/plugins/datasource/stackdriver/specs/query_aggregation_ctrl.test.ts

import { StackdriverAggregationCtrl } from '../query_aggregation_ctrl';

describe('StackdriverAggregationCtrl', () => {
  let ctrl;
  describe('aggregation and alignment options', () => {
    describe('when new query result is returned from the server', () => {
      describe('and result is double and gauge and no group by is used', () => {
        beforeEach(async () => {
          ctrl = new StackdriverAggregationCtrl({
            $on: () => {},
            target: { valueType: 'DOUBLE', metricKind: 'GAUGE', aggregation: { crossSeriesReducer: '', groupBys: [] } },
          });
        });

        it('should populate all aggregate options except two', () => {
          ctrl.setAggOptions();
          expect(ctrl.aggOptions.length).toBe(11);
          expect(ctrl.aggOptions.map(o => o.value)).toEqual(
            expect['not'].arrayContaining(['REDUCE_COUNT_TRUE', 'REDUCE_COUNT_FALSE'])
          );
        });

        it('should populate all alignment options except two', () => {
          ctrl.setAlignOptions();
          expect(ctrl.alignOptions.length).toBe(9);
          expect(ctrl.alignOptions.map(o => o.value)).toEqual(
            expect['not'].arrayContaining(['REDUCE_COUNT_TRUE', 'REDUCE_COUNT_FALSE'])
          );
        });
      });

      describe('and result is double and gauge and a group by is used', () => {
        beforeEach(async () => {
          ctrl = new StackdriverAggregationCtrl({
            $on: () => {},
            target: {
              valueType: 'DOUBLE',
              metricKind: 'GAUGE',
              aggregation: { crossSeriesReducer: 'REDUCE_NONE', groupBys: ['resource.label.projectid'] },
            },
          });
        });

        it('should populate all aggregate options except three', () => {
          ctrl.setAggOptions();
          expect(ctrl.aggOptions.length).toBe(10);
          expect(ctrl.aggOptions.map(o => o.value)).toEqual(
            expect['not'].arrayContaining(['REDUCE_COUNT_TRUE', 'REDUCE_COUNT_FALSE', 'REDUCE_NONE'])
          );
        });

        it('should select some other reducer than REDUCE_NONE', () => {
          ctrl.setAggOptions();
          expect(ctrl.target.aggregation.crossSeriesReducer).not.toBe('');
          expect(ctrl.target.aggregation.crossSeriesReducer).not.toBe('REDUCE_NONE');
        });
      });
    });
  });
});