Verify materialized fuser patch

tests/tooling/test_verify.py

@@ -254,6 +254,9 @@ class VerificationTests(unittest.TestCase):
 
     def test_entrypoint_uses_dependency_free_offline_uv(self) -> None:
         entrypoint = (ROOT / "tools/verify").read_text()
+        self.assertIn(
+            '"$(dirname "$0")/materialize-fuser" --test-dependencies', entrypoint
+        )
         self.assertIn(
             "uv run --python '>=3.11' --no-project --offline "
             "--no-python-downloads --no-cache python3",
@@ -261,9 +264,33 @@ class VerificationTests(unittest.TestCase):
         )
         self.assertIn('lazaret_verify.py" "$@"', entrypoint)
 
+    def test_fuser_materializer_matches_locked_archive(self) -> None:
+        packages = VERIFY.load_toml(ROOT / "Cargo.lock")["package"]
+        [fuser] = [package for package in packages if package["name"] == "fuser"]
+        materializer = (ROOT / "tools/materialize-fuser").read_text()
+        self.assertIn(f"version={fuser['version']}", materializer)
+        self.assertIn(f"crate_checksum={fuser['checksum']}", materializer)
+        self.assertTrue(
+            (ROOT / f"patches/fuser-{fuser['version']}-lock-flags.patch").is_file()
+        )
+        cargo_config = VERIFY.load_toml(ROOT / ".cargo/config.toml")
+        self.assertEqual(
+            cargo_config["paths"],
+            [f".lazaret/vendor/fuser-{fuser['version']}"],
+        )
+
     def test_workspace_tests_use_nextest_and_cargo_retains_doctests(self) -> None:
         source = (ROOT / "tools/lazaret_verify.py").read_text()
         expected = [
+            [
+                "cargo",
+                "test",
+                "--offline",
+                "--locked",
+                "--manifest-path",
+                ".lazaret/vendor/fuser-0.17.0/Cargo.toml",
+                "lock_request_preserves_kind_flags",
+            ],
             [
                 "cargo",
                 "nextest",