Fixing UT for key_type on upload schema

lemur/certificates/schemas.py

@@ -376,7 +376,13 @@ class CertificateUploadInputSchema(CertificateCreationSchema):
 
     @pre_load
     def load_data(self, data):
-        data["key_type"] = utils.get_key_type_from_certificate(data["body"])
+        if data.get("body"):
+            try:
+                data["key_type"] = utils.get_key_type_from_certificate(data["body"])
+            except ValueError:
+                raise ValidationError(
+                    "Public certificate presented is not valid.", field_names=["body"]
+                )
 
 
 class CertificateExportInputSchema(LemurInputSchema):

lemur/tests/test_pending_certificates.py

@@ -55,6 +55,7 @@ def test_create_pending(pending_certificate, user, session):
     assert real_cert.notify == pending_certificate.notify
     assert real_cert.private_key == pending_certificate.private_key
     assert real_cert.external_id == "54321"
+    assert real_cert.key_type == "RSA2048"
 
 
 @pytest.mark.parametrize(