first commit

tests/test_errors.py

@@ -0,0 +1,32 @@
+from io import BytesIO
+
+from app.extensions import db
+from app.models import AppSetting
+
+
+def test_not_found(client):
+    response = client.get('/missing-page')
+    assert response.status_code == 404
+
+
+def test_json_404(client):
+    response = client.get('/missing-page', headers={'Accept': 'application/json'})
+    assert response.status_code == 404
+    assert response.is_json
+    assert response.get_json()['status_code'] == 404
+
+
+def test_large_upload_returns_413(logged_user, app):
+    with app.app_context():
+        AppSetting.set('max_upload_mb', '1')
+        db.session.commit()
+    data = {
+        'title': 'Huge file',
+        'amount': '10.00',
+        'currency': 'PLN',
+        'purchase_date': '2026-03-10',
+        'payment_method': 'card',
+        'document': (BytesIO(b'x' * (2 * 1024 * 1024)), 'big.jpg'),
+    }
+    response = logged_user.post('/expenses/create', data=data, content_type='multipart/form-data')
+    assert response.status_code == 413