whs-cube-spheres/src/components/__tests__/line.spec.js

This plugin has a container with multiple spheres.

import * as WHS from '../../index';
import {Vector3} from 'three';

describe('Line', () => {
  test('constructs with defaults vertices', () => {
    const line = new WHS.Line();
    expect(line.geometry.curve).toBe(undefined);
    expect(line.geometry.vertices[0]).toEqual({x: 0, y: 0, z: 0});
    expect(line.geometry.vertices[1]).toEqual({x: 10, y: 0, z: 0});
  });

  test('constructs with vertices according to start/end', () => {
    const startVect = {x: 10, y: 1, z: 15};
    const endVect = {x: 15, y: 10, z: 25};

    const line = new WHS.Line({
      geometry: {
        start: new Vector3(startVect.x, startVect.y, startVect.z),
        end: new Vector3(endVect.x, endVect.y, endVect.z)
      }
    });

    expect(line.geometry.vertices[0]).toEqual({
      x: startVect.x,
      y: startVect.y,
      z: startVect.z
    });

    expect(line.geometry.vertices[1]).toEqual({
      x:  endVect.x,
      y: endVect.y,
      z: endVect.z});
    });

});