Import tests: backend/tests/integration/config-validator

Import the existing local project snapshot. This commit organizes existing files; it does not represent newly developed functionality.

backend/tests/integration/config-validator.test.ts

@@ -0,0 +1,76 @@
+import { describe, it, expect } from 'vitest';
+import { spawnSync } from 'child_process';
+import path from 'path';
+
+describe('Config Validator & Invalid Connections', () => {
+  const backendDir = path.resolve(__dirname, '../../');
+
+  it('should fail validation when DATABASE_URL is missing', () => {
+    const res = spawnSync('npx', ['tsx', 'src/config/env.ts'], {
+      cwd: backendDir,
+      env: {
+        ...process.env,
+        DATABASE_URL: '',
+        JWT_SECRET: 'supersecretjwtkeyforcoaxyspanelbackendproject12345',
+      },
+    });
+
+    expect(res.status).toBe(1);
+    const stderr = res.stderr.toString();
+    expect(stderr).toContain('Invalid environment configuration');
+    expect(stderr).toContain('DATABASE_URL');
+  });
+
+  it('should fail validation when DATABASE_URL is not a valid URL', () => {
+    const res = spawnSync('npx', ['tsx', 'src/config/env.ts'], {
+      cwd: backendDir,
+      env: {
+        ...process.env,
+        DATABASE_URL: 'invalid-url-format',
+        JWT_SECRET: 'supersecretjwtkeyforcoaxyspanelbackendproject12345',
+      },
+    });
+
+    expect(res.status).toBe(1);
+    const stderr = res.stderr.toString();
+    expect(stderr).toContain('Invalid environment configuration');
+    expect(stderr).toContain('DATABASE_URL');
+  });
+
+  it('should fail validation when JWT_SECRET is too short', () => {
+    const res = spawnSync('npx', ['tsx', 'src/config/env.ts'], {
+      cwd: backendDir,
+      env: {
+        ...process.env,
+        DATABASE_URL: 'postgresql://coaxys_panel:coaxys_pass@127.0.0.1:5432/coaxys_panel?schema=public',
+        JWT_SECRET: 'short',
+      },
+    });
+
+    expect(res.status).toBe(1);
+    const stderr = res.stderr.toString();
+    expect(stderr).toContain('Invalid environment configuration');
+    expect(stderr).toContain('JWT_SECRET');
+  });
+
+  it('should propagate connection error when using an invalid database port', () => {
+    // Attempt to start index.ts with an invalid DB port, which should cause connection to fail on startup.
+    // We set PORT to a random high port so it doesn't conflict, and invalid database port with connection timeout.
+    const res = spawnSync('npx', ['tsx', 'src/index.ts'], {
+      cwd: backendDir,
+      env: {
+        ...process.env,
+        PORT: '14002',
+        DATABASE_URL: 'postgresql://coaxys_panel:coaxys_pass@127.0.0.1:9999/coaxys_panel?schema=public&connect_timeout=2',
+        JWT_SECRET: 'supersecretjwtkeyforcoaxyspanelbackendproject12345',
+      },
+      timeout: 10000, // Timeout after 10s if it hangs
+    });
+
+    // It should exit with 1 because the database connection fails on startup
+    expect(res.status).toBe(1);
+    const stderr = res.stderr.toString() || res.stdout.toString();
+    // Verify connection error details are propagated
+    expect(stderr).toContain('Can\'t reach database server at');
+  });
+});