More bugfixes in the glossary protection guard

tests/test_protection.py

@@ -25,6 +25,12 @@ def _vocabulary():
           - name: "Godfrey"
             category: npc
             summary: "Godfrey is an NPC."
+          - name: "Lyra"
+            category: npc
+            summary: "Lyra is an NPC."
+          - name: "Loviator"
+            category: deity
+            summary: "Loviator is a deity."
         """
     )
     return ProtectedVocabulary.from_glossary(glossary)
@@ -66,6 +72,12 @@ def test_protection_allows_canonical_capitalization():
     assert vocabulary.violation_reason("hrank moves.", "Hrank moves.") is None
 
 
+def test_protection_allows_unchanged_noncanonical_protected_term():
+    vocabulary = _vocabulary()
+
+    assert vocabulary.violation_reason("jesters advance.", "jesters advance.") is None
+
+
 def test_protection_allows_correction_toward_protected_term():
     vocabulary = _vocabulary()
 
@@ -98,6 +110,15 @@ def test_protection_blocks_noncanonical_introduced_protected_term():
     )
 
 
+def test_protection_blocks_changed_noncanonical_variant():
+    vocabulary = _vocabulary()
+
+    assert (
+        vocabulary.violation_reason("jesters advance.", "JESTERS advance.")
+        == "correction changes protected glossary term capitalization"
+    )
+
+
 def test_protection_allows_inferred_name_plural():
     vocabulary = _vocabulary()
 
@@ -135,6 +156,20 @@ def test_protection_allows_punctuation_around_protected_term():
     assert vocabulary.violation_reason("Popov, moves.", "Popov. Moves.") is None
 
 
+def test_protection_allows_quote_wrapping_sentence_with_unchanged_lowercase_protected_term():
+    vocabulary = _vocabulary()
+    before = (
+        "When you say that, Popov will say, when I was in that room with the jesters, "
+        "I just knew that Godfrey and Lyra came directly from Loviator herself."
+    )
+    after = (
+        'When you say that, Popov will say, "When I was in that room with the jesters, '
+        'I just knew that Godfrey and Lyra came directly from Loviator herself."'
+    )
+
+    assert vocabulary.violation_reason(before, after) is None
+
+
 def test_protection_does_not_match_terms_inside_larger_words():
     vocabulary = _vocabulary()
 
@@ -145,3 +180,12 @@ def test_protection_applies_to_aliases():
     vocabulary = _vocabulary()
 
     assert vocabulary.violation_reason("Greenfield waits.", "greenfield waits.") is not None
+
+
+def test_protection_blocks_removing_preexisting_protected_occurrence():
+    vocabulary = _vocabulary()
+
+    assert (
+        vocabulary.violation_reason("Jesters flank the Jesters.", "Jesters flank the gestures.")
+        == "correction changes protected glossary term usage"
+    )