Add node-test using jest

.eslintrc.js

@@ -59,14 +59,14 @@ module.exports = {
     },
     // node test files
     {
-      files: ['addon-tests/**/*.js', 'fastboot-tests/**/*.js'],
+      files: ['node-tests/**/*.js'],
       parserOptions: {
         sourceType: 'script',
       },
       env: {
         browser: false,
         node: true,
-        mocha: true,
+        jest: true,
       },
       plugins: ['node'],
       rules: Object.assign(

.github/workflows/ci.yml

@@ -98,9 +98,12 @@ jobs:
     - name: Install dependencies
       uses: bahmutov/npm-install@v1
 
-    - name: Test
+    - name: Test Ember
       run: yarn test:ember --launch ${{ matrix.browser }}
 
+    - name: Test Image Processing
+      run: yarn test:node
+
 
   floating-dependencies:
     name: Floating Dependencies
@@ -129,6 +132,9 @@ jobs:
     - name: Test
       run: yarn test:ember --launch ${{ matrix.browser }}
 
+    - name: Test Image Processing
+      run: yarn test:node
+
 
   try-scenarios:
     name: Tests - ${{ matrix.ember-try-scenario }}

node-tests/generate.test.js

@@ -0,0 +1,56 @@
+const sharp = require('sharp');
+const jpegquality = require('jpegquality');
+const execa = require('execa');
+const fs = require('fs');
+const path = require('path');
+
+const hash = '00e24234f1b58e32b935b1041432916f';
+const images = [
+  {
+    file: 'test.jpg',
+    type: 'image/jpeg',
+    alpha: false,
+    jpeqQuality: 50,
+  },
+  {
+    file: 'test.png',
+    type: 'image/png',
+    alpha: true,
+  },
+];
+const sizes = [50, 100];
+const aspectRatio = 2;
+const appDir = './dist';
+
+beforeAll(function () {
+  jest.setTimeout(300000);
+  return execa('./node_modules/ember-cli/bin/ember', ['build']);
+});
+
+images.forEach((img) => {
+  sizes.forEach((width) => {
+    test(`loads image ${img.file} ${width}w`, async function () {
+      const [name, ext] = img.file.split(['.']);
+
+      const imageData = fs.readFileSync(
+        path.join(
+          appDir,
+          `assets/images/responsive/${name}${width}w-${hash}.${ext}`
+        )
+      );
+
+      const meta = await sharp(imageData).metadata();
+
+      expect(meta).toBeDefined();
+      expect(meta.width).toEqual(width);
+      expect(meta.height).toEqual(Math.round(width / aspectRatio));
+      expect(meta.format).toEqual(img.type.split('/')[1]);
+      expect(meta.hasAlpha).toEqual(img.alpha);
+      expect(meta.hasProfile).toEqual(false);
+
+      if (img.jpeqQuality) {
+        expect(Math.round(jpegquality(imageData))).toEqual(img.jpeqQuality);
+      }
+    });
+  });
+});

package.json

@@ -23,7 +23,8 @@
     "start": "ember serve",
     "test": "npm-run-all lint test:*",
     "test:ember": "ember test",
-    "test:ember-compatibility": "ember try:each"
+    "test:ember-compatibility": "ember try:each",
+    "test:node": "jest node-tests"
   },
   "dependencies": {
     "async-q": "^0.3.1",
@@ -69,6 +70,8 @@
     "eslint-plugin-ember": "^10.1.1",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^3.3.1",
+    "execa": "^5.0.0",
+    "jest": "^26.6.3",
     "jpegquality": "^0.1.7",
     "loader.js": "^4.7.0",
     "npm-run-all": "^4.1.5",