fixup! test(core.utils): regression tests for __dir__ and as_bytes TypeError propagation

Author: cpcloud

cuda_core/tests/test_program_cache.py

@@ -141,6 +141,20 @@ def test_cuda_core_utils_memoryview_import_is_lightweight(tmp_path):
     subprocess.run([sys.executable, "-c", prog], check=True, cwd=str(tmp_path))  # noqa: S603
 
 
+def test_cuda_core_utils_dir_includes_lazy_and_module_attrs():
+    """``dir(cuda.core.utils)`` must surface BOTH the lazy public API AND
+    the regular module attributes (``__file__``, ``__spec__``, ...). The
+    package's ``__dir__`` is custom to coexist with the lazy ``__getattr__``
+    shim and has regressed here before."""
+    import cuda.core.utils as u
+
+    names = dir(u)
+    assert "make_program_cache_key" in names
+    assert "StridedMemoryView" in names
+    assert "__file__" in names
+    assert "__spec__" in names
+
+
 # ---------------------------------------------------------------------------
 # make_program_cache_key
 # ---------------------------------------------------------------------------
@@ -170,6 +184,20 @@ def test_make_program_cache_key_returns_bytes():
     assert len(key) == 32
 
 
+def test_make_program_cache_key_propagates_as_bytes_typeerror(monkeypatch):
+    """A ``TypeError`` out of ``ProgramOptions.as_bytes`` must propagate --
+    regressing this to a silent retry/fallback would mint cache keys for
+    inputs the real compile path rejects."""
+    options = _opts()
+
+    def _boom(*args, **kwargs):
+        raise TypeError("boom")
+
+    monkeypatch.setattr(options, "as_bytes", _boom)
+    with pytest.raises(TypeError, match="boom"):
+        _make_key(options=options)
+
+
 @pytest.mark.parametrize("code_type, code", [("c++", "void k(){}"), ("ptx", ".version 7.0")])
 def test_make_program_cache_key_is_deterministic(code_type, code):
     assert _make_key(code=code, code_type=code_type) == _make_key(code=code, code_type=code_type)