g6/tests/unit/plugins/minimap-spec.ts

import G6 from '../../../src';
import Simulate from 'event-simulate';

const div = document.createElement('div');
div.id = 'minimap';
document.body.appendChild(div);
const container = document.createElement('div');
container.id = 'minimap-container';
div.appendChild(container);

describe('minimap', () => {
  it('minimap with default settings & destroy', () => {
    const minimap = new G6.Minimap({ size: [200, 200] });
    const graph = new G6.Graph({
      container: div,
      width: 500,
      height: 500,
      defaultEdge: {
        type: 'line',
        style: {
          endArrow: {
            path: 'M 10,0 L -10,-10 L -10,10 Z',
            d: 10,
          },
        },
      },
      modes: {
        default: [
          {
            type: 'drag-node',
            delegate: false,
          },
          'zoom-canvas',
          'click-select',
          'drag-canvas',
        ],
      },
      plugins: [minimap],
    });

    graph.addItem('node', { id: 'node1', label: 'text1', x: 50, y: 50 });
    graph.addItem('node', { id: 'node2', label: 'text2', x: 120, y: 150 });
    graph.addItem('node', { id: 'node3', label: 'text3', x: 150, y: 190 });
    graph.addItem('node', { id: 'node4', label: 'text4', x: 220, y: 250 });
    graph.addItem('edge', { id: 'edge1', source: 'node1', target: 'node2' });
    const canvas = minimap.getCanvas();
    expect(canvas).not.toBe(undefined);
    expect(canvas.get('width')).toEqual(200);
    expect(canvas.get('height')).toEqual(200);

    const viewport = minimap.getViewport();
    expect(viewport).not.toBe(undefined);
    expect(viewport.className.indexOf('g6-minimap-viewport') >= 0).toBe(true);
    expect(viewport.style.left).toEqual('0px');
    expect(viewport.style.top).toEqual('0px');
    expect(viewport.style.width).toEqual('200px');
    expect(viewport.style.height).toEqual('200px');

    // 缩小的时候，viewport已经最大了，不会更大
    graph.zoom(0.5, { x: 250, y: 250 });
    expect(viewport.style.left).toEqual('0px');
    expect(viewport.style.top).toEqual('0px');
    expect(viewport.style.width).toEqual('200px');
    expect(viewport.style.height).toEqual('200px');

    graph.zoom(2.5, { x: 250, y: 250 });

    expect(viewport.style.left).toEqual('20px');
    expect(viewport.style.top).toEqual('20px');
    expect(viewport.style.width).toEqual('160px');
    expect(viewport.style.height).toEqual('160px');

    minimap.destroyPlugin();

    const container: HTMLElement = div.childNodes[1] as HTMLElement;
    expect(container.innerHTML).toEqual('');

    graph.zoom(2.5, { x: 250, y: 250 });
    expect(viewport.style.left).toEqual('20px');
    expect(viewport.style.top).toEqual('20px');
    expect(viewport.style.width).toEqual('160px');
    expect(viewport.style.height).toEqual('160px');
  });
  it('move viewport', () => {
    const minimap = new G6.Minimap({ size: [200, 200] });
    const graph = new G6.Graph({
      container: div,
      width: 500,
      height: 500,
      plugins: [minimap],
      modes: {
        default: ['zoom-canvas']
      }
    });
    const data = {
      nodes: [{
        id: '1',
        x: 50,
        y: 80
      }, {
        id: '2',
        x: 140,
        y: 100
      }],
      edges: [{
        source: '1',
        target: '2'
      }]
    }
    graph.data(data);
    graph.render();

    const viewport = minimap.getViewport();
    const canvas = minimap.getCanvas();

    graph.zoom(2, { x: 250, y: 250 });
    graph.translate(100, 100);

    expect(viewport.style.left).toEqual('30px');
    expect(viewport.style.top).toEqual('30px');
    expect(viewport.style.width).toEqual('100px');
    expect(viewport.style.height).toEqual('100px');

    const container = canvas.get('container');

    Simulate.simulate(viewport, 'mousedown', {
      clientX: 100,
      clientY: 100,
      target: viewport,
    });

    Simulate.simulate(container, 'mousemove', {
      clientX: 120,
      clientY: 120,
    });

    Simulate.simulate(container, 'mouseup', {
      clientX: 120,
      clientY: 120,
    });
    expect(viewport.style.left).toEqual('50px');
    expect(viewport.style.top).toEqual('50px');
    expect(viewport.style.width).toEqual('100px');
    expect(viewport.style.height).toEqual('100px');

    const matrix = graph.get('group').getMatrix();
    expect(matrix[0]).toEqual(2);
    expect(matrix[4]).toEqual(2);
    expect(matrix[6]).toEqual(-250);
    expect(matrix[7]).toEqual(-250);


    Simulate.simulate(viewport, 'mousedown', {
      clientX: 200,
      clientY: 200,
      target: viewport
    });

    Simulate.simulate(container, 'mousemove', {
      clientX: 0,
      clientY: 0
    });

    expect(viewport.style.left).toEqual('0px');
    expect(viewport.style.top).toEqual('0px');
    expect(viewport.style.width).toEqual('100px');
    expect(viewport.style.height).toEqual('100px');

    const matrix2 = graph.get('group').getMatrix();
    expect(matrix2[0]).toEqual(2);
    expect(matrix2[4]).toEqual(2);
    expect(matrix2[6]).toEqual(0);
    expect(matrix2[7]).toEqual(0);

    Simulate.simulate(container, 'mouseleave', {
      clientX: -100,
      clientY: -100
    });
    graph.destroy();
  });
  it('invalid dom event', () => {
    const minimap = new G6.Minimap({ size: [200, 200] });
    const graph = new G6.Graph({
      container: div,
      width: 500,
      height: 500,
      plugins: [minimap],
      modes: {
        default: ['zoom-canvas']
      }
    });
    const data = {
      nodes: [{
        id: '1',
        x: 50,
        y: 80
      }, {
        id: '2',
        x: 140,
        y: 100
      }],
      edges: [{
        source: '1',
        target: '2'
      }]
    }
    graph.data(data);
    graph.render();

    const viewport = minimap.getContainer();
    const canvas = minimap.getCanvas();

    const container = canvas.get('container');

    Simulate.simulate(container, 'mousemove', {
      clientX: 100,
      clientY: 100,
    });

    viewport.style.width = '300px';
    Simulate.simulate(viewport, 'mousedown', {
      clientX: 100,
      clientY: 100,
      target: null,
    });
  });
  it('delegate type of minimap', () => {
    const minimap = new G6.Minimap({
      size: [200, 200],
      type: 'delegate',
      delegateStyle: {
        fill: '#fff',
      },
    });

    const graph = new G6.Graph({
      container: div,
      width: 500,
      height: 500,
      plugins: [minimap],
    });

    const nodeBBox = graph.addItem('node', { id: 'node', x: 100, y: 100, size: 16 }).getBBox();

    const canvas = minimap.getCanvas();
    const delegateShape = canvas.get('children')[0].get('children')[0];

    expect(delegateShape.attr('x')).toEqual(nodeBBox.minX);
    expect(delegateShape.attr('y')).toEqual(nodeBBox.minY);
    expect(delegateShape.attr('width')).toEqual(nodeBBox.width);
    expect(delegateShape.attr('height')).toEqual(nodeBBox.height);
    expect(delegateShape.attr('fill')).toEqual('#fff');
    expect(delegateShape.attr('stroke')).toEqual('#096dd9');
    graph.destroy();
  });
  it('minimap container', () => {
    const minimap = new G6.Minimap({
      container,
      size: [200, 200],
      className: 'test-className',
    });

    const graph = new G6.Graph({
      container: div,
      width: 500,
      height: 500,
      plugins: [minimap],
      modes: {
        default: [
          {
            type: 'drag-node',
            delegate: false,
          },
          'zoom-canvas',
          'click-select',
          'drag-canvas',
        ],
      },
    });

    const minimapContainer: HTMLElement = container.childNodes[0] as HTMLElement;
    expect(minimapContainer.childNodes).not.toBe(undefined);
    expect(minimapContainer.className).toEqual('test-className');
    expect(minimapContainer.style.width).toEqual('200px');
    expect(minimapContainer.style.width).toEqual('200px');

    const minimapContainerNode = minimapContainer.childNodes[0] as HTMLElement;
    expect(minimapContainerNode.tagName).toEqual('DIV');
    expect(minimapContainerNode.style.position).toEqual('relative');
    expect(minimapContainerNode.childNodes[0]).toEqual(minimap.getCanvas().get('el'));

    graph.destroy();
    expect(container.innerHTML).toEqual('');
  });
  it('canvas minX minY < 0', () => {
    const minimap = new G6.Minimap({
      size: [200, 200]
    });
    const graph = new G6.Graph({
      container: div,
      width: 500,
      height: 500,
      plugins: [minimap],
      defaultNode: {
        size: 60,
      },
      modes: {
        default: ['drag-node', 'drag-canvas', 'zoom-canvas'],
      },
    });
    graph.addItem('node', { id: 'node1', x: -50, y: -50 });
    const canvas = minimap.getCanvas();
    const group = canvas.get('children')[0];
    const matrix = group.getMatrix();

    expect(matrix[6] - 30 < 1).toBe(false);
    expect(matrix[7] - 30 < 1).toBe(false);
    graph.destroy();
  });
  it('keyShapeOnly minimap', () => {
    const minimap = new G6.Minimap({ size: [200, 200], type: 'keyShape' });
    const graph = new G6.Graph({
      container: div,
      width: 500,
      height: 500,
      plugins: [minimap],
    });
    graph.addItem('node', { id: 'node1', label: 'text1', x: 50, y: 50 });
    graph.addItem('node', { id: 'node2', label: 'text2', x: 120, y: 150 });
    graph.addItem('edge', { id: 'edge1', source: 'node1', target: 'node2' });

    const canvas = minimap.getCanvas();
    const shapeGroup = canvas.get('children')[0].get('children');

    expect(shapeGroup.length).toEqual(3);
    expect(shapeGroup[0].attr('path')).not.toBe(undefined);
    expect(shapeGroup[1].getMatrix()[6]).toEqual(50);
    expect(shapeGroup[1].getMatrix()[7]).toEqual(50);
    expect(shapeGroup[1].get('children').length).toEqual(1);
    expect(shapeGroup[2].getMatrix()[6]).toEqual(120);
    expect(shapeGroup[2].getMatrix()[7]).toEqual(150);
    expect(shapeGroup[2].get('children').length).toEqual(1);
    graph.destroy();
  });
  it('get minimap container', () => {
    const minimap = new G6.Minimap({ size: [200, 200], type: 'keyShape' });
    const graph = new G6.Graph({
      container: div,
      width: 500,
      height: 500,
      plugins: [minimap],
    });

    const container = minimap.getContainer();
    expect(container).not.toBe(undefined);
    expect(container.className).toBe('g6-minimap');
    graph.destroy();
  });
  it('minimap beforeanimate afteranimate', () => {
    const minimap = new G6.Minimap({ size: [200, 200] });
    const graph = new G6.Graph({
      container: div,
      width: 500,
      height: 500,
      plugins: [minimap],
    });

    graph.emit('beforeanimate');
    expect(minimap.get('refresh')).toBe(false);
    graph.emit('afteranimate');
    expect(minimap.get('refresh')).toBe(true);
    graph.destroy();
  });
});