switch details cli command to new Python implementation

test/python/api/test_localization.py

@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# This file is part of Nominatim. (https://nominatim.org)
+#
+# Copyright (C) 2023 by the Nominatim developer community.
+# For a full list of authors see the git log.
+"""
+Test functions for adapting results to the user's locale.
+"""
+import pytest
+
+from nominatim.api import Locales
+
+def test_display_name_empty_names():
+    l = Locales(['en', 'de'])
+
+    assert l.display_name(None) == ''
+    assert l.display_name({}) == ''
+
+def test_display_name_none_localized():
+    l = Locales()
+
+    assert l.display_name({}) == ''
+    assert l.display_name({'name:de': 'DE', 'name': 'ALL'}) == 'ALL'
+    assert l.display_name({'ref': '34', 'name:de': 'DE'}) == '34'
+
+
+def test_display_name_localized():
+    l = Locales(['en', 'de'])
+
+    assert l.display_name({}) == ''
+    assert l.display_name({'name:de': 'DE', 'name': 'ALL'}) == 'DE'
+    assert l.display_name({'ref': '34', 'name:de': 'DE'}) == 'DE'
+
+
+def test_display_name_preference():
+    l = Locales(['en', 'de'])
+
+    assert l.display_name({}) == ''
+    assert l.display_name({'name:de': 'DE', 'name:en': 'EN'}) == 'EN'
+    assert l.display_name({'official_name:en': 'EN', 'name:de': 'DE'}) == 'DE'
+
+
+@pytest.mark.parametrize('langstr,langlist',
+                         [('fr', ['fr']),
+                          ('fr-FR', ['fr-FR', 'fr']),
+                          ('de,fr-FR', ['de', 'fr-FR', 'fr']),
+                          ('fr,de,fr-FR', ['fr', 'de', 'fr-FR']),
+                          ('en;q=0.5,fr', ['fr', 'en']),
+                          ('en;q=0.5,fr,en-US', ['fr', 'en-US', 'en']),
+                          ('en,fr;garbage,de', ['en', 'de'])])
+def test_from_language_preferences(langstr, langlist):
+    assert Locales.from_accept_languages(langstr).languages == langlist