added setup file for test

Author: tinchoz49

docker-compose.yml

@@ -1,6 +1,6 @@
 services:
   postgres:
-    image: postgres
+    image: postgres:16-alpine
     container_name: duron-postgres
     environment:
       POSTGRES_USER: duron

packages/duron/bunfig.toml

@@ -0,0 +1,3 @@
+[test]
+timeout = 20000 # 10 seconds
+preload = ["./test/setup.ts"]

packages/duron/test/docker.ts

@@ -14,13 +14,31 @@ interface CreateContainerOptions {
   environment?: Record<string, string>
 }
 
-async function createContainer({ image, containerName, ports, environment }: CreateContainerOptions) {
+async function ensureImageExists(image: string) {
+  try {
+    // Check if image exists locally
+    const { stdout } = await execFile('docker', ['images', '-q', image])
+    if (stdout.toString().trim()) {
+      return // Image exists, no need to pull
+    }
+  } catch {
+    // Image doesn't exist or error checking, proceed to pull
+  }
+
+  // Pull the image if it doesn't exist
+  await execFile('docker', ['pull', image])
+}
+
+export async function createContainer({ image, containerName, ports, environment }: CreateContainerOptions) {
   if (containersCreated.has(containerName)) {
     return containersCreated.get(containerName)!
   }
 
   const promise = (async () => {
     try {
+      // Ensure the image exists before running
+      await ensureImageExists(image)
+
       await execFile('docker', [
         'run',
         '--name',
@@ -50,7 +68,7 @@ async function createContainer({ image, containerName, ports, environment }: Cre
   return promise
 }
 
-async function waitForContainer(containerName: string, expectedMessage: string) {
+export async function waitForContainer(containerName: string, expectedMessage: string) {
   if (containersStarted.has(containerName)) {
     return containersStarted.get(containerName)!
   }
@@ -82,7 +100,7 @@ async function waitForContainer(containerName: string, expectedMessage: string)
 
 export const getPostgresConnection = async ({ containerName, port }: { containerName: string; port: number }) => {
   await createContainer({
-    image: 'postgres',
+    image: 'postgres:16-alpine',
     containerName,
     ports: [port, 5432],
     environment: {

packages/duron/test/setup.ts

@@ -0,0 +1,20 @@
+import { createContainer, waitForContainer } from './docker.js'
+
+console.log('🔄 Creating postgres container...')
+
+await createContainer({
+  image: 'postgres:16-alpine',
+  containerName: 'duron-postgres-test',
+  ports: [5440, 5432],
+  environment: {
+    POSTGRES_USER: 'duron',
+    POSTGRES_PASSWORD: 'duron',
+    POSTGRES_DB: 'duron',
+  },
+})
+
+console.log('✅ Postgres container created')
+
+await waitForContainer('duron-postgres-test', 'PostgreSQL init process complete')
+
+console.log('✅ Postgres container started')