import {
  MOCK_GQL_COMPONENT,
  MOCK_METRIC_SOURCE,
} from '../__tests__/fixtures/mocks';
import transformGqlComponent from './transformGqlComponent';

describe('transformGqlComponent', () => {
  describe('transforms metricSources', () => {
    test('no metricSources', () => {
      const { metricSources } = transformGqlComponent(MOCK_GQL_COMPONENT);
      expect(metricSources).toEqual([]);
    });

    test('found one metricsSource', () => {
      const { metricSources } = transformGqlComponent({
        ...MOCK_GQL_COMPONENT,
        metricSources: {
          pageInfo: {
            hasNextPage: false,
            hasPreviousPage: false,
          },
          nodes: [MOCK_METRIC_SOURCE],
        },
      });
      expect(metricSources).toEqual([MOCK_METRIC_SOURCE]);
    });
  });

  describe('transforms fields', () => {
    test('no fields', () => {
      const { fields } = transformGqlComponent({
        ...MOCK_GQL_COMPONENT,
        fields: null,
      });
      expect(fields).toEqual({});
    });
  });
});