Clean release snapshot

tests/test_tones.py

@@ -0,0 +1,46 @@
+"""Tests for lib/tones.py — sloppak tone-change payload builder."""
+
+from tones import sloppak_tone_changes
+
+
+# ── sloppak_tone_changes (highway payload builder) ───────────────────────────
+
+def test_sloppak_tone_changes_sorts_and_returns_base():
+    base, changes = sloppak_tone_changes({
+        "base": "Clean",
+        "changes": [{"t": 12.5, "name": "Drive"}, {"t": 3.0, "name": "Clean"}],
+    })
+    assert base == "Clean"
+    assert changes == [{"t": 3.0, "name": "Clean"}, {"t": 12.5, "name": "Drive"}]
+
+
+def test_sloppak_tone_changes_skips_malformed_markers():
+    _, changes = sloppak_tone_changes({
+        "changes": [
+            {"t": "nan", "name": "BadStr"},
+            {"t": float("inf"), "name": "Inf"},
+            {"t": 5.0, "name": 123},          # non-string name
+            {"t": None, "name": "NoTime"},
+            "not-a-dict",
+            {"t": 7.0, "name": "Good"},
+        ],
+    })
+    assert changes == [{"t": 7.0, "name": "Good"}]
+
+
+def test_sloppak_tone_changes_handles_none_and_bad_base():
+    assert sloppak_tone_changes(None) == ("", [])
+    base, changes = sloppak_tone_changes({"base": 123, "changes": []})
+    assert base == "" and changes == []
+
+
+def test_sloppak_tone_changes_non_dict_input():
+    """A truthy non-dict payload must not crash."""
+    assert sloppak_tone_changes(["not", "a", "dict"]) == ("", [])
+    assert sloppak_tone_changes("nope") == ("", [])
+
+
+def test_sloppak_tone_changes_non_list_changes():
+    """A truthy non-list `changes` value must not raise on iteration."""
+    base, changes = sloppak_tone_changes({"base": "Clean", "changes": 1})
+    assert base == "Clean" and changes == []