Add test for locale-agnostic PDF preferences

.github/workflows/tests.yml

@@ -36,7 +36,7 @@ jobs:
         run: sudo pip3 install -r development.in
 
       - name: Test with pytest
-        run: xvfb-run -a pytest -vv tests/test_*
+        run: LANGUAGE=de_DE.utf-8 xvfb-run -a pytest -vv tests/test_*
 
       - name: Check imports ordering
         run: >

tests/test_pdf_exporter.py

@@ -0,0 +1,32 @@
+"""This test may leave marks in the user preferences file."""
+import os
+os.environ['LANGUAGE'] = 'de_DE.utf-8'  # must happend before Gourmet import
+
+from gourmet.gglobals import gourmetdir
+from gourmet.plugins.import_export.pdf_plugin.pdf_exporter import PdfPrefGetter  # noqa: import not at top of file
+
+def test_get_args_from_opts(tmp_path):
+    gourmetdir = tmp_path
+    pref_getter = PdfPrefGetter()
+
+    options = (['Papiergröße:', 'Letter'],
+               ['_Ausrichtung:', 'Hochformat'],
+               ['_Schriftgröße:', 10],
+               ['Seiten-Layout', 'Eben'],
+               ['Linker Rand:', 70.86614173228347],
+               ['Rechter Rand:', 70.86614173228347],
+               ['Oberer Rand:', 70.86614173228347],
+               ['Unterer Rand:', 70.86614173228347])
+
+    expected = {'pagesize': 'letter',
+				'pagemode': 'portrait',
+				'base_font_size': 10,
+				'mode': ('column', 1),
+				'left_margin': 70.86614173228347,
+				'right_margin': 70.86614173228347,
+				'top_margin': 70.86614173228347,
+				'bottom_margin': 70.86614173228347} 
+
+    ret = pref_getter.get_args_from_opts(options)
+
+    assert ret == expected