✅ Switch from Jest to Vitest for faster testing

Author: leolabs

.gitignore

@@ -13,6 +13,7 @@ build/
 .vscode/settings.json
 
 test.ts
+test-script.ts
 test-udp.ts
 
 ### Node ###

jest.config.js

@@ -27,23 +27,20 @@
     "build:doc": "jsdoc2md --files src/**/*.ts --configure ./jsdoc2md.json > ./API.md",
     "version": "node hooks/prepublish.js && git add midi-script/version.py && auto-changelog -p -l 100 && git add CHANGELOG.md",
     "build": "tsc",
-    "test": "jest --runInBand"
+    "test": "vitest --run --no-threads"
   },
   "devDependencies": {
-    "@types/jest": "^26.0.23",
     "@types/lodash": "^4.14.194",
     "@types/node": "^20.3.0",
     "@types/node-uuid": "^0.0.28",
     "@types/semver": "^7.3.6",
     "@types/uuid": "^8.3.0",
     "auto-changelog": "^2.3.0",
-    "jest": "^27.0.3",
-    "jest-extended": "^0.11.5",
     "lodash": "^4.17.21",
     "p-all": "^3",
-    "ts-jest": "^29.1.0",
-    "ts-node": "^10.9.1",
-    "typescript": "^5.1.3"
+    "tsx": "^3.12.7",
+    "typescript": "^5.1.3",
+    "vitest": "^0.32.4"
   },
   "dependencies": {
     "lru-cache": "^7.14.0",

package.json

@@ -1,6 +1,6 @@
+import { describe, it } from "vitest";
 import { withAbleton } from "../util/tests";
 import { GettableProperties } from "./application-view";
-import "jest-extended";
 
 const gettableProps: (keyof GettableProperties)[] = [
   "browse_mode",

src/ns/application-view.spec.ts

@@ -1,6 +1,6 @@
+import { describe, it } from "vitest";
 import { withAbleton } from "../util/tests";
 import { GettableProperties } from "./application";
-import "jest-extended";
 
 const gettableProps: (keyof GettableProperties)[] = [
   "major_version",

src/ns/application.spec.ts

@@ -1,6 +1,6 @@
+import { describe, it } from "vitest";
 import { withAbleton } from "../util/tests";
 import { GettableProperties } from "./mixer-device";
-import "jest-extended";
 
 const gettableProps: (keyof GettableProperties)[] = [
   //"crossfade_assign", (not applicable to the master track)

src/ns/mixer-device.spec.ts

@@ -1,3 +1,4 @@
+import { describe, it } from "vitest";
 import { withAbleton } from "../util/tests";
 import { GettableProperties } from "./song-view";
 

src/ns/song-view.spec.ts

@@ -1,6 +1,6 @@
+import { describe, it, expect } from "vitest";
 import { withAbleton } from "../util/tests";
 import { GettableProperties } from "./song";
-import "jest-extended";
 
 const gettableProps: (keyof GettableProperties)[] = [
   "arrangement_overdub",
@@ -60,15 +60,15 @@ describe("Song", () => {
   it("should return the proper types for properties", async () => {
     await withAbleton(async (ab) => {
       const songTime = await ab.song.get("current_song_time");
-      expect(songTime).toBeNumber();
+      expect(songTime).toBeTypeOf("number");
 
       const clipTriggerQuantization = await ab.song.get(
         "clip_trigger_quantization",
       );
-      expect(clipTriggerQuantization).toBeString();
+      expect(clipTriggerQuantization).toBeTypeOf("string");
 
       const isPlaying = await ab.song.get("is_playing");
-      expect(isPlaying).toBeBoolean();
+      expect(isPlaying).toBeTypeOf("boolean");
     });
   });
 

src/ns/song.spec.ts

@@ -1,3 +1,4 @@
+import { describe, it, expect } from "vitest";
 import { getPackageVersion } from "./package-version";
 import { valid } from "semver";
 

src/util/package-version.spec.ts

@@ -1,6 +1,6 @@
 {
   "include": ["./src/**/*", "./scripts/**/*"],
-  "exclude": [],
+  "exclude": ["**/*.spec.ts"],
   "compilerOptions": {
     "module": "commonjs",
     "target": "ES2022",