Add tracked and freeform tag editing

tests/test_blog_editor.py

@@ -54,11 +54,11 @@ class BlogEditorTests(unittest.TestCase):
         values.update(overrides)
         return values
 
-    def test_current_site_blog_records_and_controlled_tags_load(self) -> None:
+    def test_current_site_blog_records_and_tracked_tags_load(self) -> None:
         repository = BlogRepository(Path(__file__).resolve().parents[1])
         entries = repository.list_entries()
         self.assertGreaterEqual(len(entries), 7)
-        self.assertGreaterEqual(len(repository.tags), 45)
+        self.assertGreaterEqual(len(repository.tags), 40)
         self.assertTrue(all(entry.document.get("kicker") == "Blog" for entry in entries))
         for entry in entries:
             with self.subTest(slug=entry.slug):
@@ -126,9 +126,23 @@ class BlogEditorTests(unittest.TestCase):
             self.repository.delete_entry(entry)
         self.assertTrue(entry.path.is_file())
 
-    def test_unapproved_tag_is_rejected(self) -> None:
-        with self.assertRaisesRegex(BlogEditorError, "unapproved tag"):
-            self.repository.create_entry("test-entry", self.values(tags="invented"))
+    def test_freeform_tags_are_normalized_deduplicated_and_do_not_create_records(self) -> None:
+        entry = self.repository.create_entry(
+            "test-entry", self.values(tags="writing, Weird Experiment, weird-experiment")
+        )
+
+        self.assertEqual(entry.document.get("tags"), "writing, weird-experiment")
+        self.assertFalse((self.site_root / "content" / "tags" / "weird-experiment").exists())
+
+    def test_loading_and_saving_preserves_tracked_and_freeform_tags(self) -> None:
+        entry = self.repository.create_entry(
+            "test-entry", self.values(tags="writing, retrocomputing")
+        )
+        values = self.repository.values_for(entry.document)
+        values["summary"] = "Edited without changing tags."
+        saved = self.repository.save_entry(entry, values)
+
+        self.assertEqual(saved.document.get("tags"), "writing, retrocomputing")
 
     def test_slug_suggestion_matches_repository_style(self) -> None:
         self.assertEqual(suggest_slug("We’re Testing: A GUI!"), "were-testing-a-gui")