add http method validation on each route + add pubkey tests

tests/python/test_requests.py

@@ -1,3 +1,4 @@
+import base64
 import jwt
 import os
 import requests
@@ -113,3 +114,23 @@ class TestResponse(TestCase):
             "the url requested does not exist",
             "invalid error message returned",
         )
+
+    def test_get_pubkey(self):
+        resp = requests.get(URL + "/pubkey/")
+        self.assertEqual(resp.status_code, 200, "bad status code returned")
+        self.assertIsNotNone(resp.json(), "response data must not be empty")
+        self.assertIsNotNone(resp.json()["pubkey"], "invalid error message returned")
+
+        b64_pubkey = base64.b64decode(resp.json()["pubkey"])
+        self.assertIsNotNone(b64_pubkey, "public key b64 decoded can't be empty")
+        self.assertIn("-BEGIN PUBLIC KEY-", b64_pubkey.decode())
+
+    def test_get_pubkey_bad_method(self):
+        resp = requests.post(URL + "/pubkey/", json={"tutu": "toto"})
+        self.assertEqual(resp.status_code, 400, "bad status code returned")
+        self.assertIsNotNone(resp.json(), "response data must not be empty")
+        self.assertEqual(
+            resp.json()["error"],
+            "the incoming request is not valid",
+            "invalid error message returned",
+        )