Merge nucleic/sleek-ember-seal-uady into dev

tests/test_quantize_coreml.py

@@ -1,4 +1,5 @@
 import argparse
+import json
 import sys
 import tempfile
 import unittest
@@ -94,6 +95,36 @@ class CoreMLQuantizationConfigTests(unittest.TestCase):
                 self.assertEqual([1.0], output["output"].tolist())
                 self.assertEqual([], list(root.glob("*.mlpackage")))
 
+                result_package = Path(tempfile.mkdtemp(suffix=".mlpackage"))
+            self.assertTrue(result_package.exists())
+
+    def test_activation_cache_requires_exact_contract(self):
+        expected = {
+            "schemaVersion": 1,
+            "sourcePackageSha256": "abc",
+        }
+        with tempfile.TemporaryDirectory() as temp:
+            root = Path(temp)
+            package = root / "a8.mlpackage"
+            package.mkdir()
+            manifest = root / "a8-manifest.json"
+            manifest.write_text(json.dumps(expected), encoding="utf-8")
+            self.assertTrue(
+                quantize_coreml._activation_cache_is_valid(
+                    package,
+                    manifest,
+                    expected,
+                )
+            )
+            manifest.write_text("{}", encoding="utf-8")
+            self.assertFalse(
+                quantize_coreml._activation_cache_is_valid(
+                    package,
+                    manifest,
+                    expected,
+                )
+            )
+
 
 if __name__ == "__main__":
     unittest.main()