excalidraw/src/tests/binding.test.tsx
2020-08-29 14:16:40 +02:00

50 lines
1.4 KiB
TypeScript

import React from "react";
import { render } from "./test-utils";
import App from "../components/App";
import { UI, Pointer } from "./helpers/ui";
import { getTransformHandles } from "../element/transformHandles";
const { h } = window;
const mouse = new Pointer("mouse");
describe("element binding", () => {
beforeEach(() => {
render(<App />);
});
// NOTE if this tests fails, skip it -- it was really flaky at one point
it("rotation of arrow should rebind both ends", () => {
const rect1 = UI.createElement("rectangle", {
x: 0,
width: 100,
height: 1000,
});
const rect2 = UI.createElement("rectangle", {
x: 200,
width: 100,
height: 1000,
});
const arrow = UI.createElement("arrow", {
x: 110,
y: 50,
width: 80,
height: 1,
});
expect(arrow.startBinding?.elementId).toBe(rect1.id);
expect(arrow.endBinding?.elementId).toBe(rect2.id);
const { rotation } = getTransformHandles(arrow, h.state.zoom, "mouse");
if (rotation) {
const rotationHandleX = rotation[0] + rotation[2] / 2;
const rotationHandleY = rotation[1] + rotation[3] / 2;
mouse.down(rotationHandleX, rotationHandleY);
mouse.move(0, 1000);
mouse.up();
}
expect(arrow.angle).toBeGreaterThan(3);
expect(arrow.startBinding?.elementId).toBe(rect2.id);
expect(arrow.endBinding?.elementId).toBe(rect1.id);
});
});