When looking for FAS user try bugzilla mail as well

Currently only emails field in fasjson is checked for corresponding e-mail, but
in case the bugzilla e-mail is set we don't find the user. Let's check the
bugzilla mail as second option.

Signed-off-by: Michal Konečný <mkonecny@redhat.com>

tests/utils/test_fedora_account_fasjson.py

@@ -1,4 +1,4 @@
-from unittest.mock import Mock, patch
+from unittest.mock import call, Mock, patch
 
 from fasjson_client.errors import ClientError
 import pytest
@@ -183,6 +183,28 @@ class TestFedoraAccountFASJSON:
         output = toddlers.utils.fedora_account.get_user_by_email("scoady@fp.o")
         assert output == {"username": "scoady", "emails": ["scoady@fp.o"]}
 
+    @patch("toddlers.utils.fedora_account.get_fasjson")
+    def test_get_user_by_bzemail(self, mock_fas):
+        """
+        Assert that bugzilla e-mail is searched for when there is no result in
+        primary e-mail.
+        """
+        user = [{"username": "scoady", "rhbzemail": "scoady@fp.o"}]
+        empty_result = Mock()
+        empty_result.result = []
+        result = Mock()
+        result.result = user
+        server = Mock()
+        server.search.side_effect = [empty_result, result]
+        mock_fas.return_value = server
+
+        output = toddlers.utils.fedora_account.get_user_by_email("scoady@fp.o")
+        assert output == {"username": "scoady", "rhbzemail": "scoady@fp.o"}
+
+        server.search.assert_has_calls(
+            [call(email="scoady@fp.o"), call(rhbzemail="scoady@fp.o")]
+        )
+
     @patch("toddlers.utils.fedora_account.get_fasjson")
     def test_get_user_by_email_empty(self, mock_fas):
         user = []

toddlers/utils/fedora_account.py

@@ -99,6 +99,9 @@ def get_user_by_email(email: str) -> Optional[dict]:
     user = None
     try:
         result = fasjson.search(email=email).result or []
+        if not result:
+            # Try the bugzilla email as well
+            result = fasjson.search(rhbzemail=email).result or []
         if result:
             user = result[0]
     except ClientError: