add unit test framework

package.json

@@ -10,6 +10,7 @@
     "lint": "biome check sdk ui",
     "lint:ci": "biome ci sdk ui",
     "preview": "vite preview",
+    "test": "vitest",
     "typecheck": "tsc"
   },
   "keywords": [
@@ -32,7 +33,8 @@
     "@types/w3c-web-hid": "1.0.6",
     "@vitejs/plugin-react": "^4.2.1",
     "typescript": "^5.4.3",
-    "vite": "^5.2.6"
+    "vite": "^5.2.6",
+    "vitest": "^1.4.0"
   },
   "packageManager": "yarn@4.1.1"
 }

sdk/commands/enabled-sensors.test.ts

@@ -0,0 +1,73 @@
+import { sbytes, sview } from "@nmann/struct-buffer";
+import { expect, test } from "vitest";
+import { EnabledSensors } from "./enabled-sensors";
+
+const enabledSensors = new EnabledSensors();
+
+const decodedData = [
+  {
+    down: true,
+    left: true,
+    right: true,
+    up: true,
+  },
+  {
+    down: false,
+    left: false,
+    right: false,
+    up: false,
+  },
+  {
+    down: true,
+    left: true,
+    right: true,
+    up: true,
+  },
+  {
+    down: false,
+    left: false,
+    right: false,
+    up: false,
+  },
+  {
+    down: true,
+    left: true,
+    right: true,
+    up: true,
+  },
+  {
+    down: true,
+    left: true,
+    right: true,
+    up: true,
+  },
+  {
+    down: true,
+    left: true,
+    right: true,
+    up: true,
+  },
+  {
+    down: false,
+    left: false,
+    right: false,
+    up: false,
+  },
+  {
+    down: false,
+    left: false,
+    right: false,
+    up: false,
+  },
+];
+
+const encodedData = "0f 0f ff 0f 00";
+
+test("decode", () => {
+  expect(enabledSensors.decode(sbytes(encodedData))).toEqual(decodedData);
+});
+
+test("encode", () => {
+  // this currently fails for reasons I don't quite understand. probably endianness or something
+  expect(sview(enabledSensors.encode(decodedData, false))).toEqual(encodedData);
+});