excalidraw/src/tests/binding.test.tsx

107 lines
3.2 KiB
TypeScript

import React from "react";
import { render } from "./test-utils";
import App from "../components/App";
import { UI, Pointer, Keyboard } from "./helpers/ui";
import { getTransformHandles } from "../element/transformHandles";
import { API } from "./helpers/api";
const { h } = window;
const mouse = new Pointer("mouse");
describe("element binding", () => {
beforeEach(() => {
render(<App />);
});
it("rotation of arrow should rebind both ends", () => {
const rectLeft = UI.createElement("rectangle", {
x: 0,
width: 200,
height: 500,
});
const rectRight = UI.createElement("rectangle", {
x: 400,
width: 200,
height: 500,
});
const arrow = UI.createElement("arrow", {
x: 220,
y: 250,
width: 160,
height: 1,
});
expect(arrow.startBinding?.elementId).toBe(rectLeft.id);
expect(arrow.endBinding?.elementId).toBe(rectRight.id);
const rotation = getTransformHandles(arrow, h.state.zoom, "mouse")
.rotation!;
const rotationHandleX = rotation[0] + rotation[2] / 2;
const rotationHandleY = rotation[1] + rotation[3] / 2;
mouse.down(rotationHandleX, rotationHandleY);
mouse.move(300, 400);
mouse.up();
expect(arrow.angle).toBeGreaterThan(0.7 * Math.PI);
expect(arrow.angle).toBeLessThan(1.3 * Math.PI);
expect(arrow.startBinding?.elementId).toBe(rectRight.id);
expect(arrow.endBinding?.elementId).toBe(rectLeft.id);
});
it(
"editing arrow and moving its head to bind it to element A, finalizing the" +
"editing by clicking on element A should end up selecting A",
async () => {
UI.createElement("rectangle", {
y: 0,
size: 100,
});
// Create arrow bound to rectangle
UI.clickTool("arrow");
mouse.down(50, -100);
mouse.up(0, 80);
// Edit arrow with multi-point
mouse.doubleClick();
// move arrow head
mouse.down();
mouse.up(0, 10);
expect(API.getSelectedElement().type).toBe("arrow");
// NOTE this mouse down/up + await needs to be done in order to repro
// the issue, due to https://github.com/excalidraw/excalidraw/blob/46bff3daceb602accf60c40a84610797260fca94/src/components/App.tsx#L740
mouse.reset();
expect(h.state.editingLinearElement).not.toBe(null);
mouse.down(0, 0);
await new Promise((r) => setTimeout(r, 100));
expect(h.state.editingLinearElement).toBe(null);
expect(API.getSelectedElement().type).toBe("rectangle");
mouse.up();
expect(API.getSelectedElement().type).toBe("rectangle");
},
);
it("should bind/unbind arrow when moving it with keyboard", () => {
const rectangle = UI.createElement("rectangle", {
x: 75,
y: 0,
size: 100,
});
// Creates arrow 1px away from bidding with rectangle
const arrow = UI.createElement("arrow", {
x: 0,
y: 0,
size: 50,
});
expect(arrow.endBinding).toBe(null);
expect(API.getSelectedElement().type).toBe("arrow");
Keyboard.hotkeyPress("ARROW_RIGHT");
expect(arrow.endBinding?.elementId).toBe(rectangle.id);
Keyboard.hotkeyPress("ARROW_LEFT");
expect(arrow.endBinding).toBe(null);
});
});