testing with jest

jest.config.ts

@@ -0,0 +1,19 @@
+import type { JestConfigWithTsJest } from "ts-jest"
+
+const config: JestConfigWithTsJest = {
+  verbose: true,
+  transform: {
+    "^.+\\.ts?$": [
+      "ts-jest",
+      {
+        useESM: true,
+      },
+    ],
+  },
+  extensionsToTreatAsEsm: [".ts"],
+  moduleNameMapper: {
+    "^(\\.{1,2}/.*)\\.js$": "$1",
+  },
+}
+
+export default config

package.json

@@ -5,23 +5,28 @@
   "main": "index.js",
   "scripts": {
     "start": "node --import=tsx ./src/main.ts | pino-pretty",
-    "test": "node --test --experimental-strip-types ./tests/**",
+    "test": "node --experimental-vm-modules node_modules/jest/bin/jest.js",
     "format": "prettier --write \"./**/*.{js,mjs,ts,md,json}\""
   },
   "keywords": [],
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "@actual-app/api": "^24.11.0",
-    "cron": "^3.2.1",
-    "dotenv": "^16.4.5",
+    "@actual-app/api": "^24.12.0",
+    "cron": "^3.3.1",
+    "dotenv": "^16.4.7",
     "pino": "^9.5.0",
-    "prettier": "^3.3.3"
+    "prettier": "^3.4.2"
   },
   "devDependencies": {
-    "@types/node": "^22.9.0",
+    "@jest/globals": "^29.7.0",
+    "@types/jest": "^29.5.14",
+    "@types/node": "^22.10.2",
+    "jest": "^29.7.0",
+    "ts-jest": "^29.2.5",
+    "ts-node": "^10.9.2",
     "tsx": "^4.19.2",
-    "typescript": "^5.6.3"
+    "typescript": "^5.7.2"
   },
   "prettier": {
     "semi": false,

tests/main.test.ts

@@ -1,12 +1,12 @@
-import { describe, it } from "node:test"
+import { describe, expect, it } from "@jest/globals"
+
 import { daily } from "@/main.ts"
 import { ActualImpl } from "@/actual.ts"
 import { BankStub } from "./stubs/bankStub.ts"
-import assert from "node:assert"
 
 describe("Main logic of the application", () => {
   it("should import the transactions to Actual Budget", async () => {
     await daily(await ActualImpl.init(), new BankStub())
-    assert.ok(true)
+    expect(true)
   })
 })

tsconfig.json

@@ -1,4 +1,8 @@
 {
+  "include": [
+    "./src/**/*.ts",
+    "./tests/**/*.ts"
+  ],
   "compilerOptions": {
     "target": "esnext",
     "module": "ESNext",
@@ -8,11 +12,15 @@
     "strict": true,
     "skipLibCheck": true,
     "allowImportingTsExtensions": true,
-    "verbatimModuleSyntax": true,
     "paths": {
       "@/*": [
         "./src/*"
       ]
     }
-  }
+  },
+  "exclude": [
+    "node_modules",
+    "./*.ts",
+    "__test__"
+  ]
 }