diff --git a/src/paperless_tika/parsers.py b/src/paperless_tika/parsers.py
index 13e937daa..cde6543be 100644
--- a/src/paperless_tika/parsers.py
+++ b/src/paperless_tika/parsers.py
@@ -68,7 +68,8 @@ class TikaDocumentParser(DocumentParser):
         url = gotenberg_server + "/convert/office"
 
         self.log("info", f"Converting {document_path} to PDF as {pdf_path}")
-        files = {"files": (file_name, open(document_path, "rb"))}
+        files = {"files": (file_name or os.path.basename(document_path),
+                           open(document_path, "rb"))}
         headers = {}
 
         try:
diff --git a/src/paperless_tika/tests/test_tika_parser.py b/src/paperless_tika/tests/test_tika_parser.py
new file mode 100644
index 000000000..67563e5fe
--- /dev/null
+++ b/src/paperless_tika/tests/test_tika_parser.py
@@ -0,0 +1,60 @@
+import datetime
+import os
+from pathlib import Path
+from unittest import mock
+
+from django.test import TestCase
+from requests import Response
+
+from paperless_tika.parsers import TikaDocumentParser
+
+
+class TestTikaParser(TestCase):
+
+    def setUp(self) -> None:
+        self.parser = TikaDocumentParser(logging_group=None)
+
+    def tearDown(self) -> None:
+        self.parser.cleanup()
+
+    @mock.patch("paperless_tika.parsers.parser.from_file")
+    @mock.patch("paperless_tika.parsers.requests.post")
+    def test_parse(self, post, from_file):
+        from_file.return_value = {
+            "content": "the content",
+            "metadata": {
+                "Creation-Date": "2020-11-21"
+            }
+        }
+        response = Response()
+        response._content = b"PDF document"
+        response.status_code = 200
+        post.return_value = response
+
+        file = os.path.join(self.parser.tempdir, "input.odt")
+        Path(file).touch()
+        self.parser.parse(file, "application/vnd.oasis.opendocument.text")
+
+        self.assertEqual(self.parser.text, "the content")
+        self.assertIsNotNone(self.parser.archive_path)
+        with open(self.parser.archive_path, "rb") as f:
+            self.assertEqual(f.read(), b"PDF document")
+
+        self.assertEqual(self.parser.date, datetime.datetime(2020, 11, 21))
+
+    @mock.patch("paperless_tika.parsers.parser.from_file")
+    def test_metadata(self, from_file):
+        from_file.return_value = {
+            "metadata": {
+                "Creation-Date": "2020-11-21",
+                "Some-key": "value"
+            }
+        }
+
+        file = os.path.join(self.parser.tempdir, "input.odt")
+        Path(file).touch()
+
+        metadata = self.parser.extract_metadata(file, "application/vnd.oasis.opendocument.text")
+
+        self.assertTrue("Creation-Date" in [m['key'] for m in metadata])
+        self.assertTrue("Some-key" in [m['key'] for m in metadata])