energylink/public/app/features/dashboard/specs/repeat.jest.ts

import _ from 'lodash';
import { DashboardModel } from '../dashboard_model';
import { expect } from 'test/lib/common';

jest.mock('app/core/services/context_srv', () => ({}));

describe('given dashboard with panel repeat in horizontal direction', function() {
  var dashboard;

  beforeEach(function() {
    dashboard = new DashboardModel({
      panels: [
        {
          id: 2,
          repeat: 'apps',
          repeatDirection: 'h',
          gridPos: { x: 0, y: 0, h: 2, w: 24 },
        },
      ],
      templating: {
        list: [
          {
            name: 'apps',
            current: {
              text: 'se1, se2, se3',
              value: ['se1', 'se2', 'se3'],
            },
            options: [
              { text: 'se1', value: 'se1', selected: true },
              { text: 'se2', value: 'se2', selected: true },
              { text: 'se3', value: 'se3', selected: true },
              { text: 'se4', value: 'se4', selected: false },
            ],
          },
        ],
      },
    });
    dashboard.processRepeats();
  });

  it('should repeat panel 3 times', function() {
    expect(dashboard.panels.length).toBe(3);
  });

  it('should mark panel repeated', function() {
    expect(dashboard.panels[0].repeat).toBe('apps');
    expect(dashboard.panels[1].repeatPanelId).toBe(2);
  });

  it('should set scopedVars on panels', function() {
    expect(dashboard.panels[0].scopedVars.apps.value).toBe('se1');
    expect(dashboard.panels[1].scopedVars.apps.value).toBe('se2');
    expect(dashboard.panels[2].scopedVars.apps.value).toBe('se3');
  });

  it('should place on first row and adjust width so all fit', function() {
    expect(dashboard.panels[0].gridPos).toMatchObject({
      x: 0,
      y: 0,
      h: 2,
      w: 8,
    });
    expect(dashboard.panels[1].gridPos).toMatchObject({
      x: 8,
      y: 0,
      h: 2,
      w: 8,
    });
    expect(dashboard.panels[2].gridPos).toMatchObject({
      x: 16,
      y: 0,
      h: 2,
      w: 8,
    });
  });

  describe('After a second iteration', function() {
    beforeEach(function() {
      dashboard.panels[0].fill = 10;
      dashboard.processRepeats();
    });

    it('reused panel should copy properties from source', function() {
      expect(dashboard.panels[1].fill).toBe(10);
    });

    it('should have same panel count', function() {
      expect(dashboard.panels.length).toBe(3);
    });
  });

  describe('After a second iteration with different variable', function() {
    beforeEach(function() {
      dashboard.templating.list.push({
        name: 'server',
        current: { text: 'se1, se2, se3', value: ['se1'] },
        options: [{ text: 'se1', value: 'se1', selected: true }],
      });
      dashboard.panels[0].repeat = 'server';
      dashboard.processRepeats();
    });

    it('should remove scopedVars value for last variable', function() {
      expect(dashboard.panels[0].scopedVars.apps).toBe(undefined);
    });

    it('should have new variable value in scopedVars', function() {
      expect(dashboard.panels[0].scopedVars.server.value).toBe('se1');
    });
  });

  describe('After a second iteration and selected values reduced', function() {
    beforeEach(function() {
      dashboard.templating.list[0].options[1].selected = false;
      dashboard.processRepeats();
    });

    it('should clean up repeated panel', function() {
      expect(dashboard.panels.length).toBe(2);
    });
  });

  describe('After a second iteration and panel repeat is turned off', function() {
    beforeEach(function() {
      dashboard.panels[0].repeat = null;
      dashboard.processRepeats();
    });

    it('should clean up repeated panel', function() {
      expect(dashboard.panels.length).toBe(1);
    });

    it('should remove scoped vars from reused panel', function() {
      expect(dashboard.panels[0].scopedVars).toBe(undefined);
    });
  });
});

describe('given dashboard with panel repeat in vertical direction', function() {
  var dashboard;

  beforeEach(function() {
    dashboard = new DashboardModel({
      panels: [
        {
          id: 2,
          repeat: 'apps',
          repeatDirection: 'v',
          gridPos: { x: 5, y: 0, h: 2, w: 8 },
        },
      ],
      templating: {
        list: [
          {
            name: 'apps',
            current: {
              text: 'se1, se2, se3',
              value: ['se1', 'se2', 'se3'],
            },
            options: [
              { text: 'se1', value: 'se1', selected: true },
              { text: 'se2', value: 'se2', selected: true },
              { text: 'se3', value: 'se3', selected: true },
              { text: 'se4', value: 'se4', selected: false },
            ],
          },
        ],
      },
    });
    dashboard.processRepeats();
  });

  it('should place on items on top of each other and keep witdh', function() {
    expect(dashboard.panels[0].gridPos).toMatchObject({
      x: 5,
      y: 0,
      h: 2,
      w: 8,
    });
    expect(dashboard.panels[1].gridPos).toMatchObject({
      x: 5,
      y: 2,
      h: 2,
      w: 8,
    });
    expect(dashboard.panels[2].gridPos).toMatchObject({
      x: 5,
      y: 4,
      h: 2,
      w: 8,
    });
  });
});

describe('given dashboard with row repeat', function() {
  let dashboard, dashboardJSON;

  beforeEach(function() {
    dashboardJSON = {
      panels: [
        {
          id: 1,
          type: 'row',
          gridPos: { x: 0, y: 0, h: 1, w: 24 },
          repeat: 'apps',
        },
        { id: 2, type: 'graph', gridPos: { x: 0, y: 1, h: 1, w: 6 } },
        { id: 3, type: 'graph', gridPos: { x: 6, y: 1, h: 1, w: 6 } },
        { id: 4, type: 'row', gridPos: { x: 0, y: 2, h: 1, w: 24 } },
        { id: 5, type: 'graph', gridPos: { x: 0, y: 3, h: 1, w: 12 } },
      ],
      templating: {
        list: [
          {
            name: 'apps',
            current: {
              text: 'se1, se2',
              value: ['se1', 'se2'],
            },
            options: [
              { text: 'se1', value: 'se1', selected: true },
              { text: 'se2', value: 'se2', selected: true },
              { text: 'se3', value: 'se3', selected: false },
            ],
          },
        ],
      },
    };
    dashboard = new DashboardModel(dashboardJSON);
    dashboard.processRepeats();
  });

  it('should not repeat only row', function() {
    const panel_types = _.map(dashboard.panels, 'type');
    expect(panel_types).toEqual(['row', 'graph', 'graph', 'row', 'graph', 'graph', 'row', 'graph']);
  });

  it('should set scopedVars for each panel', function() {
    dashboardJSON.templating.list[0].options[2].selected = true;
    dashboard = new DashboardModel(dashboardJSON);
    dashboard.processRepeats();

    expect(dashboard.panels[1].scopedVars).toMatchObject({
      apps: { text: 'se1', value: 'se1' },
    });
    expect(dashboard.panels[4].scopedVars).toMatchObject({
      apps: { text: 'se2', value: 'se2' },
    });

    const scopedVars = _.compact(
      _.map(dashboard.panels, panel => {
        return panel.scopedVars ? panel.scopedVars.apps.value : null;
      })
    );

    expect(scopedVars).toEqual(['se1', 'se1', 'se1', 'se2', 'se2', 'se2', 'se3', 'se3', 'se3']);
  });

  it('should repeat only configured row', function() {
    expect(dashboard.panels[6].id).toBe(4);
    expect(dashboard.panels[7].id).toBe(5);
  });

  it('should repeat only row if it is collapsed', function() {
    dashboardJSON.panels = [
      {
        id: 1,
        type: 'row',
        collapsed: true,
        repeat: 'apps',
        gridPos: { x: 0, y: 0, h: 1, w: 24 },
        panels: [
          { id: 2, type: 'graph', gridPos: { x: 0, y: 1, h: 1, w: 6 } },
          { id: 3, type: 'graph', gridPos: { x: 6, y: 1, h: 1, w: 6 } },
        ],
      },
      { id: 4, type: 'row', gridPos: { x: 0, y: 1, h: 1, w: 24 } },
      { id: 5, type: 'graph', gridPos: { x: 0, y: 2, h: 1, w: 12 } },
    ];
    dashboard = new DashboardModel(dashboardJSON);
    dashboard.processRepeats();

    const panel_types = _.map(dashboard.panels, 'type');
    expect(panel_types).toEqual(['row', 'row', 'row', 'graph']);
    expect(dashboard.panels[0].panels).toHaveLength(2);
    expect(dashboard.panels[1].panels).toHaveLength(2);
  });

  it('should properly repeat multiple rows', function() {
    dashboardJSON.panels = [
      {
        id: 1,
        type: 'row',
        gridPos: { x: 0, y: 0, h: 1, w: 24 },
        repeat: 'apps',
      }, // repeat
      { id: 2, type: 'graph', gridPos: { x: 0, y: 1, h: 1, w: 6 } },
      { id: 3, type: 'graph', gridPos: { x: 6, y: 1, h: 1, w: 6 } },
      { id: 4, type: 'row', gridPos: { x: 0, y: 2, h: 1, w: 24 } }, // don't touch
      { id: 5, type: 'graph', gridPos: { x: 0, y: 3, h: 1, w: 12 } },
      {
        id: 6,
        type: 'row',
        gridPos: { x: 0, y: 4, h: 1, w: 24 },
        repeat: 'hosts',
      }, // repeat
      { id: 7, type: 'graph', gridPos: { x: 0, y: 5, h: 1, w: 6 } },
      { id: 8, type: 'graph', gridPos: { x: 6, y: 5, h: 1, w: 6 } },
    ];
    dashboardJSON.templating.list.push({
      name: 'hosts',
      current: {
        text: 'backend01, backend02',
        value: ['backend01', 'backend02'],
      },
      options: [
        { text: 'backend01', value: 'backend01', selected: true },
        { text: 'backend02', value: 'backend02', selected: true },
        { text: 'backend03', value: 'backend03', selected: false },
      ],
    });
    dashboard = new DashboardModel(dashboardJSON);
    dashboard.processRepeats();

    const panel_types = _.map(dashboard.panels, 'type');
    expect(panel_types).toEqual([
      'row',
      'graph',
      'graph',
      'row',
      'graph',
      'graph',
      'row',
      'graph',
      'row',
      'graph',
      'graph',
      'row',
      'graph',
      'graph',
    ]);

    expect(dashboard.panels[0].scopedVars['apps'].value).toBe('se1');
    expect(dashboard.panels[1].scopedVars['apps'].value).toBe('se1');
    expect(dashboard.panels[3].scopedVars['apps'].value).toBe('se2');
    expect(dashboard.panels[4].scopedVars['apps'].value).toBe('se2');
    expect(dashboard.panels[8].scopedVars['hosts'].value).toBe('backend01');
    expect(dashboard.panels[9].scopedVars['hosts'].value).toBe('backend01');
    expect(dashboard.panels[11].scopedVars['hosts'].value).toBe('backend02');
    expect(dashboard.panels[12].scopedVars['hosts'].value).toBe('backend02');
  });

  it('should assign unique ids for repeated panels', function() {
    dashboardJSON.panels = [
      {
        id: 1,
        type: 'row',
        collapsed: true,
        repeat: 'apps',
        gridPos: { x: 0, y: 0, h: 1, w: 24 },
        panels: [
          { id: 2, type: 'graph', gridPos: { x: 0, y: 1, h: 1, w: 6 } },
          { id: 3, type: 'graph', gridPos: { x: 6, y: 1, h: 1, w: 6 } },
        ],
      },
      { id: 4, type: 'row', gridPos: { x: 0, y: 1, h: 1, w: 24 } },
      { id: 5, type: 'graph', gridPos: { x: 0, y: 2, h: 1, w: 12 } },
    ];
    dashboard = new DashboardModel(dashboardJSON);
    dashboard.processRepeats();

    const panel_ids = _.flattenDeep(
      _.map(dashboard.panels, panel => {
        let ids = [];
        if (panel.panels && panel.panels.length) {
          ids = _.map(panel.panels, 'id');
        }
        ids.push(panel.id);
        return ids;
      })
    );
    expect(panel_ids.length).toEqual(_.uniq(panel_ids).length);
  });
});