Testing using vitest.

RobinTail · Nov 24, 2023 · 4d4642e · 4d4642e
1 parent 29a04bc
commit 4d4642e
Show file tree

Hide file tree

Showing 4 changed files with 551 additions and 1,745 deletions.
diff --git a/backend/package.json b/backend/package.json
@@ -10,14 +10,13 @@
     "lint": "eslint src",
     "build": "rm -rf dist && tsc",
     "build:client": "ENV=TEST yarn ts-node src/client.ts && yarn prettier --write ../frontend/src/generated/api-client.ts",
-    "test": "ENV=TEST yarn jest src/"
+    "test": "ENV=TEST yarn vitest run"
   },
   "devDependencies": {
     "@tsconfig/node18": "^18.2.2",
     "@types/express": "^4.17.21",
     "@types/fast-memory-cache": "^2.0.2",
     "@types/http-errors": "^2.0.4",
-    "@types/jest": "^29.5.8",
     "@types/node": "^20.9.0",
     "@typescript-eslint/eslint-plugin": "^5.62.0",
     "@typescript-eslint/parser": "^5.62.0",
@@ -27,11 +26,10 @@
     "eslint-config-prettier": "^9.0.0",
     "eslint-plugin-import": "^2.29.0",
     "eslint-plugin-prettier": "^5.0.1",
-    "jest": "^29.6.4",
     "prettier": "3.1.0",
-    "ts-jest": "^29.1.1",
     "ts-node": "^10.9.1",
-    "typescript": "^5.2.2"
+    "typescript": "^5.2.2",
+    "vitest": "^0.34.6"
   },
   "dependencies": {
     "@octokit/auth-app": "^6.0.1",
@@ -45,11 +43,5 @@
     "telegraf": "^4.15.0",
     "winston": "^3.11.0",
     "zod": "^3.22.4"
-  },
-  "jest": {
-    "preset": "ts-jest",
-    "testEnvironment": "node",
-    "verbose": true,
-    "forceExit": true
   }
 }
diff --git a/backend/src/debounce.spec.ts b/backend/src/debounce.spec.ts
@@ -1,35 +1,37 @@
+import { describe, test, expect } from "vitest";
 import { debounce } from "./debounce";
 
 describe("Debounce", () => {
   const returns: number[] = [];
   const stack: number[] = [];
 
-  test("should not run function with the same args for specific time", (done) => {
-    const fn = (n: number) => {
-      stack.push(n * 2);
-      return n;
-    };
-    const debouncedFn = debounce({
-      fn,
-      name: "test",
-      seconds: 3,
-      mapper: (n) => `${n}`,
-    });
-
-    const pusher = () => {
-      [1, 2, 3].forEach((n) => {
-        returns.push(debouncedFn(n));
+  test("should not run function with the same args for specific time", () =>
+    new Promise<void>((done) => {
+      const fn = (n: number) => {
+        stack.push(n * 2);
+        return n;
+      };
+      const debouncedFn = debounce({
+        fn,
+        name: "test",
+        seconds: 3,
+        mapper: (n) => `${n}`,
       });
-    };
 
-    pusher();
-    setTimeout(pusher, 1000); // cached
-    setTimeout(pusher, 2000); // cached
-    setTimeout(pusher, 3500); // not cached
-    setTimeout(() => {
-      expect(returns).toEqual([1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3]);
-      expect(stack).toEqual([2, 4, 6, 2, 4, 6]);
-      done();
-    }, 4500);
-  });
+      const pusher = () => {
+        [1, 2, 3].forEach((n) => {
+          returns.push(debouncedFn(n));
+        });
+      };
+
+      pusher();
+      setTimeout(pusher, 1000); // cached
+      setTimeout(pusher, 2000); // cached
+      setTimeout(pusher, 3500); // not cached
+      setTimeout(() => {
+        expect(returns).toEqual([1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3]);
+        expect(stack).toEqual([2, 4, 6, 2, 4, 6]);
+        done();
+      }, 4500);
+    }));
 });
diff --git a/backend/src/endpoints/begin-auth.spec.ts b/backend/src/endpoints/begin-auth.spec.ts
@@ -1,5 +1,7 @@
-jest.mock("mongoose", () => ({
-  ...jest.requireActual("mongoose"),
+import { vi, describe, test, expect } from "vitest";
+
+vi.mock("mongoose", async () => ({
+  ...((await vi.importActual("mongoose")) as any).default,
   connect: async () => ({
     version: "1.2.3.mock",
   }),