Add basic tests

tests/app/main/test_request_header.py

@@ -0,0 +1,33 @@
+from tests.conftest import set_config_values
+
+
+def test_route_correct_secret_key(app_, client):
+    with set_config_values(app_, {
+        'ROUTE_SECRET_KEY_1': 'key_1',
+        'ROUTE_SECRET_KEY_2': '',
+        'DEBUG': False,
+    }):
+
+        response = client.get(
+            path='/_status',
+            headers=[
+                ('X-Custom-forwarder', 'key_1'),
+            ]
+        )
+        assert response.status_code == 200
+
+
+def test_route_incorrect_secret_key(app_, client):
+    with set_config_values(app_, {
+        'ROUTE_SECRET_KEY_1': 'key_1',
+        'ROUTE_SECRET_KEY_2': '',
+        'DEBUG': False,
+    }):
+
+        response = client.get(
+            path='/_status',
+            headers=[
+                ('X-Custom-forwarder', 'wrong_key'),
+            ]
+        )
+        assert response.status_code == 403