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author | Ned Batchelder <ned@nedbatchelder.com> | 2021-10-16 07:41:53 -0400 |
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committer | Ned Batchelder <ned@nedbatchelder.com> | 2021-10-16 08:02:45 -0400 |
commit | aab6c32ca0fb290da7d31aaad9a6e9893240be26 (patch) | |
tree | c8318bcec4966baef1eb95a41faff6abc7d9bb87 | |
parent | e4c3d3007bce562f1fbdc2d2029a4bcbeaf8cd08 (diff) | |
download | python-coveragepy-git-aab6c32ca0fb290da7d31aaad9a6e9893240be26.tar.gz |
test: subprocess diagnostic for when we need it
-rw-r--r-- | tests/helpers.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tests/helpers.py b/tests/helpers.py index c85a36cb..1420bed7 100644 --- a/tests/helpers.py +++ b/tests/helpers.py @@ -24,6 +24,12 @@ def run_command(cmd): Returns the exit status code and the combined stdout and stderr. """ + # Subprocesses are expensive, but convenient, and so may be over-used in + # the test suite. Use these lines to get a list of the tests using them: + if 0: # pragma: debugging + with open("/tmp/processes.txt", "a") as proctxt: + print(os.environ.get("PYTEST_CURRENT_TEST", "unknown"), file=proctxt, flush=True) + # In some strange cases (PyPy3 in a virtualenv!?) the stdout encoding of # the subprocess is set incorrectly to ascii. Use an environment variable # to force the encoding to be the same as ours. |