Add test to check minimal citation when journal name not provided

solenoid/records/tests/test_models.py

@@ -423,6 +423,24 @@ def test_create_citation_case_8(self):
             "</a>",
         )
 
+    def test_create_citation_case_9(self):
+        """Minimal citation:
+        journal: NO
+        publication date: YES
+        volume & issue: YES
+        doi: YES
+        """
+        data = copy.copy(self.citation_data)
+        data.update(dict.fromkeys([Fields.JOURNAL], None))
+        citation = Record.create_citation(data)
+        self.assertEqual(
+            citation,
+            "Wilczek, F. (1973). Ultraviolet behavior of "
+            "non-abelian gauge theories. <JOURNAL-NAME UNIDENTIFIED>, "
+            '30(26). <a href="https://doi.org/10.1103/PhysRevLett.30.1343">'
+            "doi:10.1103/PhysRevLett.30.1343</a>",
+        )
+
     def test_create_citation_error_case_1(self):
         """Minimal citation; has volume, lacks issue."""
         data = copy.copy(self.citation_data)