LibSquoosh: add smoke test

libsquoosh/package.json

@@ -8,7 +8,8 @@
     "/build/*"
   ],
   "scripts": {
-    "build": "rollup -c"
+    "build": "rollup -c",
+    "test": "uvu -r ts-node/register test"
   },
   "keywords": [],
   "author": "Google Chrome Developers <chromium-dev@google.com>",
@@ -34,7 +35,9 @@
     "@types/node": "^15.6.1",
     "rollup": "^2.46.0",
     "rollup-plugin-terser": "^7.0.2",
+    "ts-node": "^10.2.1",
     "typescript": "^4.1.3",
+    "uvu": "^0.5.1",
     "which": "^2.0.2"
   }
 }

libsquoosh/test/index.test.ts

@@ -0,0 +1,43 @@
+import * as path from 'path';
+import { test } from 'uvu';
+import * as assert from 'uvu/assert';
+import { ImagePool } from '..';
+
+let imagePool: ImagePool;
+
+test.after.each(async () => {
+  if (imagePool) {
+    try {
+      await imagePool.close();
+    } catch (e) {}
+  }
+  imagePool = undefined;
+});
+
+test('smoke test', async () => {
+  imagePool = new ImagePool(1);
+
+  const imagePath = path.resolve(__dirname, '../../icon-large-maskable.png');
+  const image = imagePool.ingestImage(imagePath);
+
+  const { bitmap } = await image.decoded;
+  assert.equal(bitmap.width, 1024);
+
+  await image.preprocess({
+    resize: {
+      enabled: true,
+      width: 100,
+    },
+  });
+
+  await image.encode({
+    mozjpeg: {},
+  });
+
+  const { size } = await image.encodedWith.mozjpeg;
+  // resulting image is 1554b
+  assert.ok(size > 500);
+  assert.ok(size < 5000);
+});
+
+test.run();

libsquoosh/tsconfig.json

@@ -5,5 +5,12 @@
     "types": ["node"],
     "allowJs": true
   },
-  "include": ["src/**/*", "../codecs/**/*"]
+  "include": ["src/**/*", "../codecs/**/*"],
+  "ts-node": {
+    "transpileOnly": true,
+    "compilerOptions": {
+      "module": "commonjs"
+    },
+    "include": ["tests/**/*"]
+  }
 }