Merge pull request #688 from maresb/faster-channel-inversion-test

Use a quicker example for the channel-inversion test

tests/test-channel-inversion/environment.yaml

@@ -4,9 +4,8 @@ channels:
  # In this case we have the channel order as recommended by rapids ai for
  # installing cudf, but we want to force getting cuda-python from conda-forge
  # instead of from the nvidia channel which would normally have higher priority
- - rapidsai
- - nvidia
  - conda-forge
+ - defaults
 dependencies:
- - cudf
- - conda-forge::cuda-python
+ - zlib
+ - defaults::libgomp

tests/test_conda_lock.py

@@ -1665,22 +1665,30 @@ def test_poetry_version_parsing_constraints(
 def test_run_with_channel_inversion(
  monkeypatch: "pytest.MonkeyPatch", channel_inversion: Path, mamba_exe: str
 ):
- """Given that the cuda_python package is available from a few channels
- and three of those channels listed
- and with conda-forge listed as the lowest priority channel
- and with the cuda_python dependency listed as "conda-forge::cuda_python",
- ensure that the lock file parse picks up conda-forge as the channel and not one of the higher priority channels
+ """Given that the libgomp package is available from a few channels
+ and two of those channels listed
+ and with defaults listed as the lowest priority channel
+ and with the libgomp dependency listed as "defaults::libgomp",
+ ensure that the lock file parse picks up "defaults" as the channel and not
+ the higher priority conda-forge channel.
  """
  monkeypatch.chdir(channel_inversion.parent)
  run_lock([channel_inversion], conda_exe=mamba_exe, platforms=["linux-64"])
  lockfile = parse_conda_lock_file(channel_inversion.parent / DEFAULT_LOCKFILE_NAME)
  for package in lockfile.package:
- if package.name == "cuda-python":
+ if package.name == "zlib":
  ms = MatchSpec(package.url) # pyright: ignore
  assert ms.get("channel") == "conda-forge"
  break
  else:
- raise ValueError("cuda-python not found!")
+ raise ValueError("zlib not found!")
+ for package in lockfile.package:
+ if package.name == "libgomp":
+ ms = MatchSpec(package.url) # pyright: ignore
+ assert ms.get("channel") == "defaults"
+ break
+ else:
+ raise ValueError("libgomp not found!")
 
 
 def _make_spec(name: str, constraint: str = "*"):