Added 'group_domain_filters' draft(needs to be optimized to load dependencies)

tests/unit/test_group_domain_filters.py

@@ -0,0 +1,51 @@
+import unittest
+
+from filter_plugins.group_domain_filters import FilterModule
+
+class TestAddDomainIfGroup(unittest.TestCase):
+    def setUp(self):
+        self.filter = FilterModule().filters()["add_domain_if_group"]
+
+    def test_add_string_value(self):
+        result = self.filter({}, "akaunting", "accounting.example.org", ["akaunting"])
+        self.assertEqual(result, {"akaunting": "accounting.example.org"})
+
+    def test_add_list_value(self):
+        result = self.filter({}, "mastodon", ["microblog.example.org"], ["mastodon"])
+        self.assertEqual(result, {"mastodon": ["microblog.example.org"]})
+
+    def test_add_dict_value(self):
+        result = self.filter({}, "bluesky", {"web": "bskyweb.example.org", "api": "bluesky.example.org"}, ["bluesky"])
+        self.assertEqual(result, {"bluesky": {"web": "bskyweb.example.org", "api": "bluesky.example.org"}})
+
+    def test_ignore_if_not_in_group(self):
+        result = self.filter({}, "akaunting", "accounting.example.org", ["wordpress"])
+        self.assertEqual(result, {})
+
+    def test_merge_with_existing(self):
+        initial = {"wordpress": ["blog.example.org"]}
+        result = self.filter(initial, "akaunting", "accounting.example.org", ["akaunting"])
+        self.assertEqual(result, {
+            "wordpress": ["blog.example.org"],
+            "akaunting": "accounting.example.org"
+        })
+
+    def test_dict_is_not_mutated(self):
+        base = {"keycloak": "auth.example.org"}
+        copy = dict(base)  # make a copy for comparison
+        _ = self.filter(base, "akaunting", "accounting.example.org", ["akaunting"])
+        self.assertEqual(base, copy)  # original must stay unchanged
+
+    def test_multiple_adds_accumulate(self):
+        result = {}
+        result = self.filter(result, "akaunting", "accounting.example.org", ["akaunting", "wordpress"])
+        result = self.filter(result, "wordpress", ["blog.example.org"], ["akaunting", "wordpress"])
+        result = self.filter(result, "bluesky", {"web": "bskyweb.example.org", "api": "bluesky.example.org"}, ["bluesky"])
+        self.assertEqual(result, {
+            "akaunting": "accounting.example.org",
+            "wordpress": ["blog.example.org"],
+            "bluesky": {"web": "bskyweb.example.org", "api": "bluesky.example.org"},
+        })
+
+if __name__ == "__main__":
+    unittest.main()