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new 23d9c24dba [Tests] Drop tautological env-probe implication tests
(#19811)
23d9c24dba is described below
commit 23d9c24dba8e2f06f34071b457bc36f2f8cb124d
Author: Shushi Hong <[email protected]>
AuthorDate: Wed Jun 17 08:02:51 2026 -0400
[Tests] Drop tautological env-probe implication tests (#19811)
test_env.py asserted "derived probe implies parent" for several probes,
but each derived probe is defined as `parent() and <flag>`, so the
implication holds by construction and the assertion can never fail.
Remove these no-op guards:
- test_tensorcore_implies_cuda (has_tensorcore = has_cuda() and ...)
- test_cudagraph_implies_cuda (has_cudagraph = has_cuda() and ...)
- test_library_probe_implies_parent_device (cudnn/cublas/nccl =
has_cuda(); hipblas = has_rocm())
- test_runtime_hexagon_run_implies_toolchain (has_hexagon =
has_hexagon_toolchain() and ...)
---
tests/python/testing/test_env.py | 34 ----------------------------------
1 file changed, 34 deletions(-)
diff --git a/tests/python/testing/test_env.py b/tests/python/testing/test_env.py
index c6d381c965..24277a2c9e 100644
--- a/tests/python/testing/test_env.py
+++ b/tests/python/testing/test_env.py
@@ -104,18 +104,6 @@ def
test_target_enabled_respects_tvm_test_targets(monkeypatch):
env._target_enabled.cache_clear() # pylint: disable=protected-access
-def test_tensorcore_implies_cuda():
- """Tensor Core support cannot be reported without a CUDA device."""
- if env.has_tensorcore():
- assert env.has_cuda()
-
-
-def test_cudagraph_implies_cuda():
- """CUDA Graph support cannot be reported without a CUDA device."""
- if env.has_cudagraph():
- assert env.has_cuda()
-
-
def test_cuda_compute_is_monotonic():
"""has_cuda_compute is monotone in the requested version."""
if not env.has_cuda():
@@ -151,22 +139,6 @@ def test_build_flag_probe_matches_libinfo(probe, flag):
assert probe() == env._build_flag_enabled(flag) # pylint:
disable=protected-access
[email protected](
- "probe,parent",
- [
- (env.has_cudnn, env.has_cuda),
- (env.has_cublas, env.has_cuda),
- (env.has_nccl, env.has_cuda),
- (env.has_hipblas, env.has_rocm),
- ],
- ids=lambda v: v.__name__,
-)
-def test_library_probe_implies_parent_device(probe, parent):
- """A CUDA/ROCm library cannot be reported without its parent device."""
- if probe():
- assert parent()
-
-
def test_llvm_min_version_is_monotone():
if not env.has_llvm():
assert not env.has_llvm_min_version(1)
@@ -175,12 +147,6 @@ def test_llvm_min_version_is_monotone():
assert env.has_llvm_min_version(1)
-def test_runtime_hexagon_run_implies_toolchain():
- """Full Hexagon support implies the compile-time toolchain is present."""
- if env.has_hexagon():
- assert env.has_hexagon_toolchain()
-
-
def test_probes_are_memoized():
"""Probes are cached so the driver/subprocess is hit once per process."""
env.has_cuda()
