Forgot to lint again

tests/app.test.js

@@ -0,0 +1,93 @@
+const request = require('supertest');
+const app = require('../src/app');
+
+describe('Main Application', () => {
+  describe('Static file serving', () => {
+    it('should serve the main dashboard page', async() => {
+      const response = await request(app)
+        .get('/')
+        .expect(200);
+
+      expect(response.headers['content-type']).toMatch(/html/);
+    });
+
+    it('should serve static CSS files', async() => {
+      const response = await request(app)
+        .get('/style.css')
+        .expect(200);
+
+      expect(response.headers['content-type']).toMatch(/css/);
+    });
+
+    it('should serve static JavaScript files', async() => {
+      const response = await request(app)
+        .get('/app.js')
+        .expect(200);
+
+      expect(response.headers['content-type']).toMatch(/javascript/);
+    });
+  });
+
+  describe('Debug endpoints', () => {
+    it('should return debug file information', async() => {
+      const response = await request(app)
+        .get('/debug/files')
+        .expect(200);
+
+      expect(response.body).toHaveProperty('publicPath');
+      expect(response.body).toHaveProperty('files');
+      expect(Array.isArray(response.body.files)).toBe(true);
+    });
+
+    it('should serve test static page', async() => {
+      const response = await request(app)
+        .get('/test-static')
+        .expect(200);
+
+      expect(response.text).toContain('Static File Test');
+      expect(response.headers['content-type']).toMatch(/html/);
+    });
+  });
+
+  describe('Error handling', () => {
+    it('should return 404 for unknown routes', async() => {
+      const response = await request(app)
+        .get('/nonexistent-route')
+        .expect(404);
+
+      expect(response.body).toHaveProperty('error', 'Not Found');
+      expect(response.body).toHaveProperty('url', '/nonexistent-route');
+    });
+  });
+
+  describe('CORS and Security', () => {
+    it('should include CORS headers', async() => {
+      const response = await request(app)
+        .get('/api/system')
+        .expect(200);
+
+      expect(response.headers).toHaveProperty('access-control-allow-origin');
+    });
+
+    it('should include basic Express headers', async() => {
+      const response = await request(app)
+        .get('/')
+        .expect(200);
+
+      // Check for basic Express headers that should be present
+      expect(response.headers).toHaveProperty('x-powered-by', 'Express');
+      expect(response.headers).toHaveProperty('content-type');
+    });
+  });
+
+  describe('Request logging', () => {
+    it('should log requests without errors', async() => {
+      // This test ensures the logging middleware doesn't crash
+      const response = await request(app)
+        .get('/health')
+        .expect(200);
+
+      expect(response.body).toHaveProperty('status', 'healthy');
+    });
+  });
+});