-'use strict';
-
-let test = function test (Serpentity) {
-
- /* eslint no-console: 0 */
-
- /////////////////
- // Load the stuff
- /////////////////
- console.log('\n## Loading');
- console.log('Serpentity: ' + (typeof Serpentity !== 'undefined' ? 'LOAD OK' : 'FAIL'));
- console.log('Serpentity.Entity: ' + (typeof Serpentity !== 'undefined' && Serpentity.Entity ? 'LOAD OK' : 'FAIL'));
- console.log('Serpentity.Component: ' + (typeof Serpentity !== 'undefined' && Serpentity.Component ? 'LOAD OK' : 'FAIL'));
- console.log('Serpentity.System: ' + (typeof Serpentity !== 'undefined' && Serpentity.System ? 'LOAD OK' : 'FAIL'));
- console.log('Serpentity.Node: ' + (typeof Serpentity !== 'undefined' && Serpentity.Node ? 'LOAD OK' : 'FAIL'));
- console.log('Serpentity.NodeCollection: ' + (typeof Serpentity !== 'undefined' && Serpentity.NodeCollection ? 'LOAD OK' : 'FAIL'));
-
- //////////////////////
- // Create test classes
- //////////////////////
- console.log('\n## Creating Test Classes');
- let TestSystem = class TestSystem extends Serpentity.System {
- added (engine) {
- this.testNodes = engine.getNodes(TestNode);
- console.log('Engine is serpentity: ' + (engine instanceof Serpentity ? 'OK' : 'FAIL'));
- console.log('System added callback: EXEC OK');
- }
+import Code from '@hapi/code'; // assertion library
+import Lab from '@hapi/lab';
+import Serpentity, { Component, Entity, Node, System } from '../lib/serpentity.js';
- removed (engine) {
- this.testNodes = null;
- console.log('Engine is serpentity: ' + (engine instanceof Serpentity ? 'OK' : 'FAIL'));
- console.log('System removed callback: EXEC OK');
- }
+const internals = {
+ context: {},
+ system: class TestSystem extends System {
+ added(engine) {
- update (dt) {
- this.testNodes.forEach(function (node) {
- console.log('Running Node: ' + (node.test.testMessage === 'test' ? 'SYSTEM OK' : 'FAIL'));
- });
- console.log('dt is number: ' + (typeof dt === 'number' ? 'OK' : 'FAIL'));
- console.log('System update callback: EXEC OK');
- }
- };
- let testSystem = new TestSystem();
-
- let LowProTestSystem = class LowProTestSystem extends Serpentity.System {
- added (engine) {
- this.testNodes = engine.getNodes(TestNode);
- console.log('Engine is serpentity: ' + (engine instanceof Serpentity ? 'OK' : 'FAIL'));
- console.log('System added callback: EXEC OK');
+ this.testNodes = engine.getNodes(internals.node);
+ this.addedCalled = true;
+ this.addedEngine = engine;
}
- removed (engine) {
+ removed(engine) {
+
this.testNodes = null;
- console.log('Engine is serpentity: ' + (engine instanceof Serpentity ? 'OK' : 'FAIL'));
- console.log('System removed callback: EXEC OK');
+ this.removedCalled = true;
+ this.removedEngine = engine;
}
- update (dt) {
- this.testNodes.forEach(function (node) {
- console.log('Running Low Priority Node: ' + (node.test.testMessage === 'test' ? 'SYSTEM OK' : 'FAIL'));
- });
- console.log('dt is number: ' + (typeof dt === 'number' ? 'OK' : 'FAIL'));
- console.log('System update callback: EXEC OK');
- }
- };
- let lowProTestSystem = new LowProTestSystem();
- console.log('LowProTestSystem: CREATE OK');
-
- let MidProTestSystem = class MidProTestSystem extends Serpentity.System {
- added (engine) {
- this.testNodes = engine.getNodes(TestNode);
- console.log('Engine is serpentity: ' + (engine instanceof Serpentity ? 'OK' : 'FAIL'));
- console.log('System added callback: EXEC OK');
- }
+ update(dt) {
- removed (engine) {
- this.testNodes = null;
- console.log('Engine is serpentity: ' + (engine instanceof Serpentity ? 'OK' : 'FAIL'));
- console.log('System removed callback: EXEC OK');
- }
+ this.updateCalled = Date.now();
+ this.updateDt = dt;
- update (dt) {
- this.testNodes.forEach(function (node) {
- console.log('Running Mid Priority Node: ' + (node.test.testMessage === 'test' ? 'SYSTEM OK' : 'FAIL'));
- });
- console.log('dt is number: ' + (typeof dt === 'number' ? 'OK' : 'FAIL'));
- console.log('System update callback: EXEC OK');
- }
- };
- var midProTestSystem = new MidProTestSystem();
- console.log('MidProTestSystem: CREATE OK');
+ for (const node of this.testNodes) {
+ node.test.called = true;
+ node.entity.called = true;
+ }
+ while (Date.now() === this.updateCalled) { /* pass some time */ }
+ }
+ },
+ component: class TestComponent extends Component {
+ constructor(config) {
- let TestComponent = class TestComponent extends Serpentity.Component {
- constructor (config) {
super(config);
- this.testMessage = this.testMessage || 'test';
+ this.called = false;
}
- };
- console.log('TestComponent: CREATE OK');
+ },
+ node: class TestNode extends Node {},
+ delta: 10
+};
- let TestNode = class TestNode extends Serpentity.Node {};
- TestNode.types = {
- test : TestComponent
- };
- console.log('TestNode: CREATE OK');
+// adds a component to the node
+internals.node.types = {
+ test: internals.component
+};
- console.log('\n## Adding system to the engine');
+const lab = Lab.script({
+ schedule: false
+});
- let engine = new Serpentity();
- console.log('engine: CREATE OK');
+const { beforeEach, experiment, test } = lab;
+const { expect } = Code;
- engine.addSystem(testSystem, 0);
+experiment('loading', () => {
- console.log('\n## Running update without any entities');
- engine.update(10);
+ test('Serpentity should be exported', () => {
- console.log('\n## Adding system to the engine and updating');
- let entity = new Serpentity.Entity();
- entity.addComponent(new TestComponent());
- engine.addEntity(entity);
- engine.update(10);
+ expect(typeof Serpentity).to.not.be.undefined();
+ });
- console.log('\n## Adding Low Priority System');
- engine.addSystem(lowProTestSystem, 10);
- engine.update(10);
+ test('Serpentity should include the Entity class', () => {
- console.log('\n## Adding Mid Priority System');
- engine.addSystem(midProTestSystem, 5);
- engine.update(10);
+ expect(typeof Entity).to.not.be.undefined();
+ });
- console.log('\n## Removing the system and readding');
- engine.removeSystem(testSystem);
- engine.update(10);
- engine.addSystem(testSystem, 0);
- engine.update(10);
+ test('Serpentity should include the Component class', () => {
- console.log('\n## Adding a second entity');
- entity = new Serpentity.Entity();
- entity.addComponent(new TestComponent());
- engine.addEntity(entity);
- engine.update(10);
+ expect(typeof Component).to.not.be.undefined();
+ });
- console.log('\n## Removing entity');
- engine.removeEntity(entity);
- engine.update(10);
+ test('Serpentity should include the System class', () => {
- console.log('\n## Removing system');
- engine.removeSystem(testSystem);
- engine.update(10);
+ expect(typeof System).to.not.be.undefined();
+ });
-};
+ test('Serpentity should include the Node class', () => {
+
+ expect(typeof Node).to.not.be.undefined();
+ });
+
+ test('Serpentity should include the NodeCollection class', () => {
+
+ expect(typeof NodeCollection).to.not.be.undefined();
+ });
+});
+
+experiment('Engine Tests', () => {
+
+ beforeEach(() => {
+
+ internals.context.engine = new Serpentity();
+
+ internals.context.regularSystem = new internals.system();
+ internals.context.highPrioritySystem = new internals.system();
+ internals.context.lowPrioritySystem = new internals.system();
+
+ internals.context.firstEntity = new Entity();
+ internals.context.firstEntity.addComponent(new internals.component());
+ internals.context.secondEntity = new Entity();
+ internals.context.secondEntity.addComponent(new internals.component());
+ internals.context.emptyEntity = new Entity();
+
+ // Add entity before the systems
+ internals.context.engine.addEntity(internals.context.firstEntity);
+
+ internals.context.engine.addSystem(internals.context.regularSystem, 100);
+ internals.context.engine.addSystem(internals.context.highPrioritySystem, 0);
+ internals.context.engine.addSystem(internals.context.lowPrioritySystem, 1000);
+
+ // Add entity after the systems
+ internals.context.engine.addEntity(internals.context.secondEntity);
+ internals.context.engine.addEntity(internals.context.emptyEntity);
+ });
+
+ test('Engine should call added callback on added systems', () => {
+
+ // Ensure the added callback is being called
+ expect(internals.context.regularSystem.addedCalled).to.be.true();
+ expect(internals.context.highPrioritySystem.addedCalled).to.be.true();
+ expect(internals.context.lowPrioritySystem.addedCalled).to.be.true();
+ });
+
+ test('Engine should send the engine instance in added callback', () => {
+
+ // Ensure the added callback is sending the engine
+ expect(internals.context.regularSystem.addedEngine instanceof Serpentity).to.be.true();
+ expect(internals.context.highPrioritySystem.addedEngine instanceof Serpentity).to.be.true();
+ expect(internals.context.lowPrioritySystem.addedEngine instanceof Serpentity).to.be.true();
+ });
+
+ test('Engine should not add duplicate systems', () => {
+
+ const originalSystemsLength = internals.context.engine.systems.length;
+ const added = internals.context.engine.addSystem(internals.context.regularSystem, 0);
+ const newSystemsLength = internals.context.engine.systems.length;
+
+ // Ensure we don't add the same system twice
+ expect(added).to.be.false();
+ expect(originalSystemsLength).to.be.equal(newSystemsLength);
+ });
+
+ test('Engine should call update callback on added systems', () => {
+
+ internals.context.engine.update(internals.delta);
+
+ // Ensure update function called
+ expect(!!internals.context.regularSystem.updateCalled).to.be.true();
+ expect(!!internals.context.highPrioritySystem.updateCalled).to.be.true();
+ expect(!!internals.context.lowPrioritySystem.updateCalled).to.be.true();
+ });
+
+ test('Engine should call update callback in the order of priorities', () => {
+
+ internals.context.engine.update(internals.delta);
+
+ // Ensure order of priorities
+ expect(internals.context.regularSystem.updateCalled).to.be.lessThan(internals.context.lowPrioritySystem.updateCalled);
+ expect(internals.context.regularSystem.updateCalled).to.be.greaterThan(internals.context.highPrioritySystem.updateCalled);
+ });
+
+ test('Engine should send the delta in the update callback', () => {
+
+ internals.context.engine.update(internals.delta);
+
+ // Ensure delta is being sent
+ expect(internals.context.regularSystem.updateDt).to.be.equal(internals.delta);
+ expect(internals.context.highPrioritySystem.updateDt).to.be.equal(internals.delta);
+ expect(internals.context.lowPrioritySystem.updateDt).to.be.equal(internals.delta);
+ });
+
+ test('System remove callback', () => {
+
+ const originalSystemLength = internals.context.engine.systems.length;
+ const originalRemoved = internals.context.engine.removeSystem(internals.context.lowPrioritySystem);
+ const intermediateSystemLength = internals.context.engine.systems.length;
+ const finalRemoved = internals.context.engine.removeSystem(internals.context.lowPrioritySystem);
+ const finalSystemLength = internals.context.engine.systems.length;
+ internals.context.engine.update(internals.delta);
+
+ // Check for return value
+ expect(originalRemoved).to.be.true();
+ expect(finalRemoved).to.be.false();
+
+ // Confirm that only removed if found by checking length of systems
+ // array
+ expect(originalSystemLength).to.be.above(intermediateSystemLength);
+ expect(finalSystemLength).to.be.equal(intermediateSystemLength);
+
+ // Ensure callback is sent
+ expect(!!internals.context.regularSystem.removedCalled).to.be.false();
+ expect(!!internals.context.highPrioritySystem.removedCalled).to.be.false();
+ expect(!!internals.context.lowPrioritySystem.removedCalled).to.be.true();
+
+ // Ensure update is no longer sent
+ expect(!!internals.context.regularSystem.updateCalled).to.be.true();
+ expect(!!internals.context.highPrioritySystem.updateCalled).to.be.true();
+ expect(!!internals.context.lowPrioritySystem.updateCalled).to.be.false();
+ });
+
+ test('Entity node selection', () => {
+
+ internals.context.engine.update(internals.delta);
+
+ // Ensure component is called for each entity
+ expect(!!internals.context.firstEntity._components[0].called).to.be.true();
+ expect(!!internals.context.secondEntity._components[0].called).to.be.true();
+
+ // Ensure entity not in node collection not called
+ expect(!!internals.context.firstEntity.called).to.be.true();
+ expect(!!internals.context.secondEntity.called).to.be.true();
+ expect(!!internals.context.emptyEntity.called).to.be.false();
+ });
+
+ test('Entity node removal', () => {
+
+ internals.context.engine.removeEntity(internals.context.secondEntity);
+ internals.context.engine.update(internals.delta);
+
+ expect(!!internals.context.firstEntity._components[0].called).to.be.true();
+ expect(!!internals.context.secondEntity._components[0].called).to.be.false();
+
+ expect(!!internals.context.firstEntity.called).to.be.true();
+ expect(!!internals.context.secondEntity.called).to.be.false();
+ expect(!!internals.context.emptyEntity.called).to.be.false();
+ });
+
+ test('Entity should not add duplicate components', () => {
+
+ const originalComponentsLength = internals.context.secondEntity._components.length;
+ const result = internals.context.secondEntity.addComponent(new internals.component());
+ const newComponentsLength = internals.context.secondEntity._components.length;
+
+ expect(result).to.be.false();
+ expect(originalComponentsLength).to.be.equal(newComponentsLength);
+ });
+
+ test('Entity should allow access to components by class', () => {
+
+ const firstComponent = internals.context.firstEntity.getComponent(internals.component);
+ const emptyComponent = internals.context.emptyEntity.getComponent(internals.component);
+
+ expect(firstComponent instanceof internals.component).to.be.true();
+ expect(emptyComponent).to.be.equal(undefined);
+ });
+
+ test('Engine should not add duplicate entities', () => {
+
+ const originalEntitiesLength = internals.context.engine.entities.length;
+ const added = internals.context.engine.addEntity(internals.context.firstEntity);
+ const finalEntitiesLength = internals.context.engine.entities.length;
+
+ expect(added).to.be.false();
+
+ expect(originalEntitiesLength).to.be.equal(finalEntitiesLength);
+ });
+
+ test('Engine should remove entities', () => {
+
+ const originalEntityLength = internals.context.engine.entities.length;
+ const originalRemoved = internals.context.engine.removeEntity(internals.context.firstEntity);
+ const intermediateEntityLength = internals.context.engine.entities.length;
+ const finalRemoved = internals.context.engine.removeEntity(internals.context.firstEntity);
+ const finalEntityLength = internals.context.engine.entities.length;
+ internals.context.engine.update(internals.delta);
+
+ // Check for return value
+ expect(originalRemoved).to.be.true();
+ expect(finalRemoved).to.be.false();
+
+ // Confirm that only removed if found by checking length of systems
+ // array
+ expect(originalEntityLength).to.be.above(intermediateEntityLength);
+ expect(finalEntityLength).to.be.equal(intermediateEntityLength);
-if (typeof require === 'function') {
- let Serpentity = require('serpentity');
- test(Serpentity);
-} else {
- window.addEventListener('load', function () {
- test(window.Serpentity);
+ // Ensure callback is sent
+ expect(!!internals.context.firstEntity.called).to.be.false();
+ expect(!!internals.context.secondEntity.called).to.be.true();
});
-}
+});
+Lab.report(lab).then((result) => process.exit(result.code));