excalidraw/src/tests/dragCreate.test.tsx

288 lines
8.7 KiB
TypeScript

import React from "react";
import ReactDOM from "react-dom";
import App from "../components/App";
import * as Renderer from "../renderer/renderScene";
import { KEYS } from "../keys";
import { render, fireEvent } from "./test-utils";
import { ExcalidrawLinearElement } from "../element/types";
import { reseed } from "../random";
// Unmount ReactDOM from root
ReactDOM.unmountComponentAtNode(document.getElementById("root")!);
const renderScene = jest.spyOn(Renderer, "renderScene");
beforeEach(() => {
localStorage.clear();
renderScene.mockClear();
reseed(7);
});
const { h } = window;
describe("add element to the scene when pointer dragging long enough", () => {
it("rectangle", () => {
const { getByToolName, container } = render(<App />);
// select tool
const tool = getByToolName("rectangle");
fireEvent.click(tool);
const canvas = container.querySelector("canvas")!;
// start from (30, 20)
fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
// move to (60,70)
fireEvent.pointerMove(canvas, { clientX: 60, clientY: 70 });
// finish (position does not matter)
fireEvent.pointerUp(canvas);
expect(renderScene).toHaveBeenCalledTimes(4);
expect(h.state.selectionElement).toBeNull();
expect(h.elements.length).toEqual(1);
expect(h.elements[0].type).toEqual("rectangle");
expect(h.elements[0].x).toEqual(30);
expect(h.elements[0].y).toEqual(20);
expect(h.elements[0].width).toEqual(30); // 60 - 30
expect(h.elements[0].height).toEqual(50); // 70 - 20
expect(h.elements.length).toMatchSnapshot();
h.elements.forEach((element) => expect(element).toMatchSnapshot());
});
it("ellipse", () => {
const { getByToolName, container } = render(<App />);
// select tool
const tool = getByToolName("ellipse");
fireEvent.click(tool);
const canvas = container.querySelector("canvas")!;
// start from (30, 20)
fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
// move to (60,70)
fireEvent.pointerMove(canvas, { clientX: 60, clientY: 70 });
// finish (position does not matter)
fireEvent.pointerUp(canvas);
expect(renderScene).toHaveBeenCalledTimes(4);
expect(h.state.selectionElement).toBeNull();
expect(h.elements.length).toEqual(1);
expect(h.elements[0].type).toEqual("ellipse");
expect(h.elements[0].x).toEqual(30);
expect(h.elements[0].y).toEqual(20);
expect(h.elements[0].width).toEqual(30); // 60 - 30
expect(h.elements[0].height).toEqual(50); // 70 - 20
expect(h.elements.length).toMatchSnapshot();
h.elements.forEach((element) => expect(element).toMatchSnapshot());
});
it("diamond", () => {
const { getByToolName, container } = render(<App />);
// select tool
const tool = getByToolName("diamond");
fireEvent.click(tool);
const canvas = container.querySelector("canvas")!;
// start from (30, 20)
fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
// move to (60,70)
fireEvent.pointerMove(canvas, { clientX: 60, clientY: 70 });
// finish (position does not matter)
fireEvent.pointerUp(canvas);
expect(renderScene).toHaveBeenCalledTimes(4);
expect(h.state.selectionElement).toBeNull();
expect(h.elements.length).toEqual(1);
expect(h.elements[0].type).toEqual("diamond");
expect(h.elements[0].x).toEqual(30);
expect(h.elements[0].y).toEqual(20);
expect(h.elements[0].width).toEqual(30); // 60 - 30
expect(h.elements[0].height).toEqual(50); // 70 - 20
expect(h.elements.length).toMatchSnapshot();
h.elements.forEach((element) => expect(element).toMatchSnapshot());
});
it("arrow", () => {
const { getByToolName, container } = render(<App />);
// select tool
const tool = getByToolName("arrow");
fireEvent.click(tool);
const canvas = container.querySelector("canvas")!;
// start from (30, 20)
fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
// move to (60,70)
fireEvent.pointerMove(canvas, { clientX: 60, clientY: 70 });
// finish (position does not matter)
fireEvent.pointerUp(canvas);
expect(renderScene).toHaveBeenCalledTimes(4);
expect(h.state.selectionElement).toBeNull();
expect(h.elements.length).toEqual(1);
const element = h.elements[0] as ExcalidrawLinearElement;
expect(element.type).toEqual("arrow");
expect(element.x).toEqual(30);
expect(element.y).toEqual(20);
expect(element.points.length).toEqual(2);
expect(element.points[0]).toEqual([0, 0]);
expect(element.points[1]).toEqual([30, 50]); // (60 - 30, 70 - 20)
expect(h.elements.length).toMatchSnapshot();
h.elements.forEach((element) => expect(element).toMatchSnapshot());
});
it("line", () => {
const { getByToolName, container } = render(<App />);
// select tool
const tool = getByToolName("line");
fireEvent.click(tool);
const canvas = container.querySelector("canvas")!;
// start from (30, 20)
fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
// move to (60,70)
fireEvent.pointerMove(canvas, { clientX: 60, clientY: 70 });
// finish (position does not matter)
fireEvent.pointerUp(canvas);
expect(renderScene).toHaveBeenCalledTimes(4);
expect(h.state.selectionElement).toBeNull();
expect(h.elements.length).toEqual(1);
const element = h.elements[0] as ExcalidrawLinearElement;
expect(element.type).toEqual("line");
expect(element.x).toEqual(30);
expect(element.y).toEqual(20);
expect(element.points.length).toEqual(2);
expect(element.points[0]).toEqual([0, 0]);
expect(element.points[1]).toEqual([30, 50]); // (60 - 30, 70 - 20)
h.elements.forEach((element) => expect(element).toMatchSnapshot());
});
});
describe("do not add element to the scene if size is too small", () => {
it("rectangle", () => {
const { getByToolName, container } = render(<App />);
// select tool
const tool = getByToolName("rectangle");
fireEvent.click(tool);
const canvas = container.querySelector("canvas")!;
// start from (30, 20)
fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
// finish (position does not matter)
fireEvent.pointerUp(canvas);
expect(renderScene).toHaveBeenCalledTimes(3);
expect(h.state.selectionElement).toBeNull();
expect(h.elements.length).toEqual(0);
});
it("ellipse", () => {
const { getByToolName, container } = render(<App />);
// select tool
const tool = getByToolName("ellipse");
fireEvent.click(tool);
const canvas = container.querySelector("canvas")!;
// start from (30, 20)
fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
// finish (position does not matter)
fireEvent.pointerUp(canvas);
expect(renderScene).toHaveBeenCalledTimes(3);
expect(h.state.selectionElement).toBeNull();
expect(h.elements.length).toEqual(0);
});
it("diamond", () => {
const { getByToolName, container } = render(<App />);
// select tool
const tool = getByToolName("diamond");
fireEvent.click(tool);
const canvas = container.querySelector("canvas")!;
// start from (30, 20)
fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
// finish (position does not matter)
fireEvent.pointerUp(canvas);
expect(renderScene).toHaveBeenCalledTimes(3);
expect(h.state.selectionElement).toBeNull();
expect(h.elements.length).toEqual(0);
});
it("arrow", () => {
const { getByToolName, container } = render(<App />);
// select tool
const tool = getByToolName("arrow");
fireEvent.click(tool);
const canvas = container.querySelector("canvas")!;
// start from (30, 20)
fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
// finish (position does not matter)
fireEvent.pointerUp(canvas);
// we need to finalize it because arrows and lines enter multi-mode
fireEvent.keyDown(document, { key: KEYS.ENTER });
expect(renderScene).toHaveBeenCalledTimes(4);
expect(h.state.selectionElement).toBeNull();
expect(h.elements.length).toEqual(0);
});
it("line", () => {
const { getByToolName, container } = render(<App />);
// select tool
const tool = getByToolName("line");
fireEvent.click(tool);
const canvas = container.querySelector("canvas")!;
// start from (30, 20)
fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
// finish (position does not matter)
fireEvent.pointerUp(canvas);
// we need to finalize it because arrows and lines enter multi-mode
fireEvent.keyDown(document, { key: KEYS.ENTER });
expect(renderScene).toHaveBeenCalledTimes(4);
expect(h.state.selectionElement).toBeNull();
expect(h.elements.length).toEqual(0);
});
});