grafana/public/app/plugins/datasource/prometheus/querybuilder/state.test.ts

import { CoreApp } from '@grafana/data';
import { QueryEditorMode } from './shared/types';
import { changeEditorMode, getQueryWithDefaults } from './state';

describe('getQueryWithDefaults(', () => {
  it('should set defaults', () => {
    expect(getQueryWithDefaults({ refId: 'A' } as any, CoreApp.Dashboard)).toEqual({
      editorMode: 'code',
      expr: '',
      legendFormat: '__auto',
      range: true,
      refId: 'A',
    });
  });

  it('should set both range and instant to true when in Explore', () => {
    expect(getQueryWithDefaults({ refId: 'A' } as any, CoreApp.Explore)).toEqual({
      editorMode: 'code',
      expr: '',
      legendFormat: '__auto',
      range: true,
      instant: true,
      refId: 'A',
    });
  });

  it('Changing editor mode with blank query should change default', () => {
    changeEditorMode({ refId: 'A', expr: '' }, QueryEditorMode.Code, (query) => {
      expect(query.editorMode).toBe(QueryEditorMode.Code);
    });

    expect(getQueryWithDefaults({ refId: 'A' } as any, CoreApp.Dashboard).editorMode).toEqual(QueryEditorMode.Code);
  });
});