more tests

src/paperless_tesseract/checks.py

@@ -1,7 +1,7 @@
 import subprocess
 
 from django.conf import settings
-from django.core.checks import Error, register
+from django.core.checks import Error, Warning, register
 
 
 def get_tesseract_langs():

src/paperless_tesseract/tests/test_checks.py

@@ -0,0 +1,26 @@
+from unittest import mock
+
+from django.core.checks import ERROR
+from django.test import TestCase, override_settings
+
+from paperless_tesseract import check_default_language_available
+
+
+class TestChecks(TestCase):
+
+    def test_default_language(self):
+        msgs = check_default_language_available(None)
+
+    @override_settings(OCR_LANGUAGE="")
+    def test_no_language(self):
+        msgs = check_default_language_available(None)
+        self.assertEqual(len(msgs), 1)
+        self.assertTrue(msgs[0].msg.startswith("No OCR language has been specified with PAPERLESS_OCR_LANGUAGE"))
+
+    @override_settings(OCR_LANGUAGE="ita")
+    @mock.patch("paperless_tesseract.checks.get_tesseract_langs")
+    def test_invalid_language(self, m):
+        m.return_value = ["deu", "eng"]
+        msgs = check_default_language_available(None)
+        self.assertEqual(len(msgs), 1)
+        self.assertEqual(msgs[0].level, ERROR)