datacite: fix a raw name constraint violation

It was possible that contribs got added which had no raw name. One
example would be a name consisting of whitespace only.

This fix adds a final check for this case.

1 files changed, 24 insertions, 0 deletions

diff --git a/python/tests/files/datacite/datacite_result_31.json b/python/tests/files/datacite/datacite_result_31.json
new file mode 100644
index 00000000..193104b0
--- /dev/null
+++ b/python/tests/files/datacite/datacite_result_31.json
@@ -0,0 +1,24 @@
+{
+  "abstracts": [
+    {
+      "content": "Biological liquid-liquid phase separation",
+      "lang": "fr",
+      "mimetype": "text/plain"
+    }
+  ],
+  "contribs": [],
+  "ext_ids": {
+    "doi": "10.17912/micropub.biology.000143"
+  },
+  "extra": {
+    "datacite": {
+      "resourceTypeGeneral": "DataPaper"
+    },
+    "container_name": "microPublication Biology"
+  },
+  "refs": [],
+  "release_stage": "published",
+  "release_year": 2019,
+  "publisher": "microPublication Biology",
+  "title": "Sample"
+}