Migrate input unit tests from Karma to Node

package.json

@@ -123,9 +123,11 @@
     "chai": "^4.3.10",
     "eslint": "^8.52.0",
     "fflate": "^0.8.1",
+    "global-jsdom": "^24.0.0",
     "jsdoc": "^4.0.2",
     "jsdoc-tsimport-plugin": "^1.0.5",
     "jsdoc-typeof-plugin": "^1.0.0",
+    "jsdom": "^24.0.0",
     "karma": "^6.4.2",
     "karma-chrome-launcher": "^3.2.0",
     "karma-mocha": "2.0.1",

test/fixtures.mjs

@@ -2,6 +2,8 @@ import handler from 'serve-handler';
 import http from 'http';
 import XMLHttpRequest from 'xhr2';
 
+import 'global-jsdom/register'; // eslint-disable-line import/no-unresolved,import/extensions
+
 let server;
 
 export const mochaGlobalSetup = () => {

test/platform/input/keyboard.test.mjs

@@ -0,0 +1,139 @@
+import { Keyboard } from '../../../src/platform/input/keyboard.js';
+import { EVENT_KEYDOWN, EVENT_KEYUP, KEY_UP } from '../../../src/platform/input/constants.js';
+
+import { expect } from 'chai';
+
+describe('Keyboard', function () {
+
+    /** @type { Keyboard } */
+    let keyboard;
+
+    beforeEach(function () {
+        keyboard = new Keyboard();
+        keyboard.attach(window);
+    });
+
+    afterEach(function () {
+        keyboard.detach();
+    });
+
+    describe('#constructor', function () {
+
+        it('should create a new instance', function () {
+            expect(keyboard).to.be.an.instanceOf(Keyboard);
+        });
+
+    });
+
+    describe('#isPressed', function () {
+
+        it('should return false for a key that is not pressed', function () {
+            expect(keyboard.isPressed(KEY_UP)).to.be.false;
+        });
+
+        it('should return true for a key that is pressed', function () {
+            const keyDownEvent = new KeyboardEvent('keydown', {
+                keyCode: 38 // Up arrow
+            });
+            window.dispatchEvent(keyDownEvent);
+
+            expect(keyboard.isPressed(KEY_UP)).to.be.true;
+
+            keyboard.update();
+
+            expect(keyboard.isPressed(KEY_UP)).to.be.true;
+
+            const keyUpEvent = new KeyboardEvent('keyup', {
+                keyCode: 38 // Up arrow
+            });
+            window.dispatchEvent(keyUpEvent);
+
+            expect(keyboard.isPressed(KEY_UP)).to.be.false;
+        });
+
+    });
+
+    describe('#on', function () {
+
+        it('should handle keydown events', function (done) {
+            keyboard.on(EVENT_KEYDOWN, function (event) {
+                expect(event.key).to.equal(KEY_UP);
+                expect(event.element).to.equal(window);
+                expect(event.event).to.be.an.instanceOf(KeyboardEvent);
+
+                done();
+            });
+
+            const keyDownEvent = new KeyboardEvent('keydown', {
+                keyCode: 38 // Up arrow
+            });
+            window.dispatchEvent(keyDownEvent);
+        });
+
+        it('should handle keyup events', function (done) {
+            keyboard.on(EVENT_KEYUP, function (event) {
+                expect(event.key).to.equal(KEY_UP);
+                expect(event.element).to.equal(window);
+                expect(event.event).to.be.an.instanceOf(KeyboardEvent);
+
+                done();
+            });
+
+            const keyUpEvent = new KeyboardEvent('keyup', {
+                keyCode: 38 // Up arrow
+            });
+            window.dispatchEvent(keyUpEvent);
+        });
+
+    });
+
+    describe('#wasPressed', function () {
+
+        it('should return false for a key that was not pressed', function () {
+            expect(keyboard.wasPressed(KEY_UP)).to.be.false;
+        });
+
+        it('should return true for a key that was pressed since the last update', function () {
+            const keyDownEvent = new KeyboardEvent('keydown', {
+                keyCode: 38 // Up arrow
+            });
+            window.dispatchEvent(keyDownEvent);
+
+            expect(keyboard.wasPressed(KEY_UP)).to.be.true;
+
+            keyboard.update();
+
+            expect(keyboard.wasPressed(KEY_UP)).to.be.false;
+        });
+
+    });
+
+    describe('#wasReleased', function () {
+
+        it('should return false for a key that was not released', function () {
+            expect(keyboard.wasReleased(KEY_UP)).to.be.false;
+        });
+
+        it('should return true for a key that was released since the last update', function () {
+            const keyDownEvent = new KeyboardEvent('keydown', {
+                keyCode: 38 // Up arrow
+            });
+            window.dispatchEvent(keyDownEvent);
+
+            keyboard.update();
+
+            const keyUpEvent = new KeyboardEvent('keyup', {
+                keyCode: 38 // Up arrow
+            });
+            window.dispatchEvent(keyUpEvent);
+
+            expect(keyboard.wasReleased(KEY_UP)).to.be.true;
+
+            keyboard.update();
+
+            expect(keyboard.wasReleased(KEY_UP)).to.be.false;
+        });
+
+    });
+
+});

test/platform/input/mouse.test.mjs

@@ -0,0 +1,140 @@
+import { Mouse } from '../../../src/platform/input/mouse.js';
+import {
+    EVENT_MOUSEDOWN, EVENT_MOUSEUP,
+    MOUSEBUTTON_LEFT, MOUSEBUTTON_MIDDLE, MOUSEBUTTON_RIGHT
+} from '../../../src/platform/input/constants.js';
+
+import { expect } from 'chai';
+
+const buttons = [MOUSEBUTTON_LEFT, MOUSEBUTTON_MIDDLE, MOUSEBUTTON_RIGHT];
+
+// Mock the _getTargetCoords method, otherwise it returns null
+Mouse.prototype._getTargetCoords = function (event) {
+    return { x: 0, y: 0 };
+};
+
+describe('Mouse', function () {
+
+    /** @type { Mouse } */
+    let mouse;
+
+    beforeEach(function () {
+        mouse = new Mouse(document.body);
+    });
+
+    afterEach(function () {
+        mouse.detach();
+    });
+
+    describe('#constructor', function () {
+
+        it('should create a new instance', function () {
+            expect(mouse).to.be.an.instanceOf(Mouse);
+        });
+
+    });
+
+    describe('#isPressed', function () {
+
+        it('should return false for all buttons by default', function () {
+            for (const button of buttons) {
+                expect(mouse.isPressed(button)).to.be.false;
+            }
+        });
+
+        it('should return true for a mouse button that is pressed', function () {
+            for (const button of buttons) {
+                const mouseDownEvent = new MouseEvent('mousedown', { button });
+                window.dispatchEvent(mouseDownEvent);
+
+                expect(mouse.isPressed(button)).to.be.true;
+
+                const mouseUpEvent = new MouseEvent('mouseup', { button });
+                window.dispatchEvent(mouseUpEvent);
+
+                expect(mouse.isPressed(button)).to.be.false;
+            }
+        });
+
+    });
+
+    describe('#on', function () {
+
+        it('should handle mousedown events', function (done) {
+            mouse.on(EVENT_MOUSEDOWN, function (event) {
+                expect(event.button).to.equal(MOUSEBUTTON_LEFT);
+                expect(event.event).to.be.an.instanceOf(MouseEvent);
+
+                done();
+            });
+
+            const mouseDownEvent = new MouseEvent('mousedown', { button: 0 });
+            window.dispatchEvent(mouseDownEvent);
+        });
+
+        it('should handle mouseup events', function (done) {
+            mouse.on(EVENT_MOUSEUP, function (event) {
+                expect(event.button).to.equal(MOUSEBUTTON_LEFT);
+                expect(event.event).to.be.an.instanceOf(MouseEvent);
+
+                done();
+            });
+
+            const mouseUpEvent = new MouseEvent('mouseup', { button: 0 });
+            window.dispatchEvent(mouseUpEvent);
+        });
+
+    });
+
+    describe('#wasPressed', function () {
+
+        it('should return false for all buttons by default', function () {
+            for (const button of buttons) {
+                expect(mouse.wasPressed(button)).to.be.false;
+            }
+        });
+
+        it('should return true for a mouse button that was pressed', function () {
+            for (const button of buttons) {
+                const mouseDownEvent = new MouseEvent('mousedown', { button });
+                window.dispatchEvent(mouseDownEvent);
+
+                expect(mouse.wasPressed(button)).to.be.true;
+
+                mouse.update();
+
+                expect(mouse.wasPressed(button)).to.be.false;
+            }
+        });
+
+    });
+
+    describe('#wasReleased', function () {
+
+        it('should return false for all buttons by default', function () {
+            for (const button of buttons) {
+                expect(mouse.wasReleased(button)).to.be.false;
+            }
+        });
+
+        it('should return true for a mouse button that was released', function () {
+            for (const button of buttons) {
+                const mouseDownEvent = new MouseEvent('mousedown', { button });
+                window.dispatchEvent(mouseDownEvent);
+
+                mouse.update();
+
+                const mouseUpEvent = new MouseEvent('mouseup', { button });
+                window.dispatchEvent(mouseUpEvent);
+
+                expect(mouse.wasReleased(button)).to.be.true;
+
+                mouse.update();
+
+                expect(mouse.wasReleased(button)).to.be.false;
+            }
+        });
+
+    });
+
+});