import { PrometheusConnector } from '../src/connectors/prometheus';
import { DatasourceType } from '../src/connectors';

import 'jest';


describe('Test Prometheus time range processing', function() {
  let datasource = {
    type: DatasourceType.PROMETHEUS,
    url: 'api/datasources/proxy/4/api/v1/query_range?query=node_disk_io_time_ms&start=1543411320&end=1543432950&step=30',
    auth: {
      username: 'my_user',
      password: 'my_password',
    }
  }
  let targets = [];
  let prometheus = new PrometheusConnector(datasource, targets);

  it('check that from/to present in url', function() {
    let from = 1234567891234; //milliseconds
    let to   = 1234567899999;
    let query = prometheus.getQuery(from, to, 1000, 0);
    expect(query.url.indexOf(`start=${Math.floor(from / 1000)}`) !== -1).toBeTruthy();
    expect(query.url.indexOf(`end=${Math.floor(to / 1000)}`) !== -1).toBeTruthy();
  });

  it('check that username/password present in query', function() {
    let query = prometheus.getQuery(0, 0, 1000, 0);

    expect(query.auth?.username).toBe('my_user');
    expect(query.auth?.password).toBe('my_password');
  })
});