grafana/public/app/features/explore/Logs/utils/logsVolumeResponse.test.ts

import { DataQueryResponse } from '@grafana/data';

import { isTimeoutErrorResponse } from './logsVolumeResponse';

const errorA =
  'Get "http://localhost:3100/loki/api/v1/query_range?direction=backward&end=1680001200000000000&limit=1000&query=sum+by+%28level%29+%28count_over_time%28%7Bcontainer_name%3D%22docker-compose-app-1%22%7D%5B1h%5D%29%29&start=1679914800000000000&step=3600000ms": net/http: request canceled (Client.Timeout exceeded while awaiting headers)';
const errorB = '{"status":"error","errorType":"timeout","error":"context deadline exceeded"}';

describe('isTimeoutErrorResponse', () => {
  test.each([errorA, errorB])(
    'identifies timeout errors in the error.message attribute when the message is `%s`',
    (timeoutError: string) => {
      const response: DataQueryResponse = {
        data: [],
        error: {
          message: timeoutError,
        },
      };
      expect(isTimeoutErrorResponse(response)).toBe(true);
    }
  );
  test.each([errorA, errorB])(
    'identifies timeout errors in the errors.message attribute when the message is `%s`',
    (timeoutError: string) => {
      const response: DataQueryResponse = {
        data: [],
        errors: [
          {
            message: 'Something else',
          },
          {
            message: timeoutError,
          },
        ],
      };
      expect(isTimeoutErrorResponse(response)).toBe(true);
    }
  );
  test.each([errorA, errorB])(
    'identifies timeout errors in the errors.data.message attribute when the message is `%s`',
    (timeoutError: string) => {
      const response: DataQueryResponse = {
        data: [],
        errors: [
          {
            data: {
              message: 'Something else',
            },
          },
          {
            data: {
              message: timeoutError,
            },
          },
        ],
      };
      expect(isTimeoutErrorResponse(response)).toBe(true);
    }
  );
  test('does not report false positives', () => {
    const response: DataQueryResponse = {
      data: [],
    };
    expect(isTimeoutErrorResponse(response)).toBe(false);
  });
});