Add test for ExpressionManager

test/assets/haru/expressions/F01.exp3.json

@@ -2,7 +2,7 @@
   "Type": "Live2D Expression",
   "Parameters": [
     {
-      "Id": "ParamMouthForm",
+      "Id": "ParamMouthOpenY",
       "Value": 0.27,
       "Blend": "Add"
     }

test/module/ExpressionManager.test.js

@@ -0,0 +1,42 @@
+import { config } from '@/config';
+import { Cubism4ModelSettings } from '@/cubism4/Cubism4ModelSettings';
+import '@/factory';
+import { expect } from 'chai';
+import sinon from 'sinon';
+import { Cubism4ExpressionManager } from '../../src';
+import { TEST_MODEL4 } from '../env';
+
+describe('ExpressionManager', function () {
+    let clock;
+
+    before(() => {
+        clock = sinon.useFakeTimers();
+    });
+
+    after(function () {
+        clock.restore();
+    });
+
+    it('should update parameters', async function () {
+        const epsilon = 1e-5;
+
+        const expManager = new Cubism4ExpressionManager(new Cubism4ModelSettings(TEST_MODEL4.json));
+        const expJson = require('../assets/haru/expressions/F01.exp3.json');
+        const expParamId = expJson.Parameters[0].Id;
+        const expParamValue = expJson.Parameters[0].Value;
+
+        expect(TEST_MODEL4.coreModel.getParameterValueById(expParamId)).to.not.closeTo(expParamValue, epsilon);
+
+        await expManager.setExpression('f00');
+
+        // let the expression start
+        expManager.update(TEST_MODEL4.coreModel, performance.now());
+
+        clock.tick(config.expressionFadingDuration);
+
+        const updated = expManager.update(TEST_MODEL4.coreModel, performance.now());
+
+        expect(updated).to.be.true;
+        expect(TEST_MODEL4.coreModel.getParameterValueById(expParamId)).to.closeTo(expParamValue, epsilon);
+    });
+});

test/module/compat.test.js

@@ -8,6 +8,9 @@ import { TEST_TEXTURE } from '../env';
 import { delay } from '../utils';
 
 describe('Compatibility', function() {
+    // for some reason these tests may exceed the default timeout (2000ms) in CI
+    this.timeout(5000);
+
     const ITEM_SIZE = 32;
     let itemOriginY = 0;
 

test/module/index.js

@@ -3,6 +3,7 @@ export * from './FocusController.test';
 export * from './ModelSettings.test';
 export * from './SoundManager.test';
 export * from './MotionManager.test';
+export * from './ExpressionManager.test';
 export * from './InternalModel.test';
 export * from './Live2DFactory.test';
 export * from './loaders.test';