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gh-62432: unittest runner: Exit code 5 if no tests were run #102051

Merged
merged 13 commits into from Apr 27, 2023
Merged

gh-62432: unittest runner: Exit code 5 if no tests were run #102051

merged 13 commits into from Apr 27, 2023

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stefanor
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@stefanor stefanor commented Feb 19, 2023 •
edited by bedevere-bot

As discussed in https://discuss.python.org/t/unittest-fail-if-zero-tests-were-discovered/21498/7

It is common for test runner misconfiguration to fail to find any tests,
this should be an error.

Fixes: #62432

@bedevere-bot bedevere-bot mentioned this pull request Feb 19, 2023
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@terryjreedy terryjreedy added type-feature A feature request or enhancement tests Tests in the Lib/test dir labels Feb 20, 2023
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Tests/macOS is routinely failing; ignore currently.

This is a design bug fix, hence enhancement (feature change), as much as I would like to pretend otherwise.

hugovk
hugovk reviewed Feb 20, 2023
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@stefanor stefanor requested review from hugovk and removed request for gpshead and ezio-melotti February 20, 2023 11:51
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@stefanor stefanor requested review from hugovk and removed request for gpshead and ezio-melotti

Urgh, that removal wasn't intentional, I just hit the re-request review button.

@gpshead gpshead self-assigned this Feb 20, 2023
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@gpshead: Ping? (it's been 2 months)

@gpshead gpshead enabled auto-merge (squash) April 27, 2023 01:04
@gpshead gpshead merged commit 76632b8 into python:main Apr 27, 2023
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@stefanor stefanor deleted the fail-zero-tests branch April 27, 2023 11:49
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Thank you!

@gpshead gpshead added the 3.12 bugs and security fixes label Jun 13, 2023
copybara-service bot pushed a commit to abseil/abseil-py that referenced this pull request Sep 14, 2023
@yilei
absltest: do not fail tests on Python 3.12+ when no tests ran AND:
b274e14 
- Either test filtering is used
- Sharding is used and the shard index > 0, i.e. only the first shard will fail when no tests ran on Python 3.12+.

Context: Python 3.12 unittest will now fail when no tests ran after the change from python/cpython#102051. Since `absltest` is built on top of `unittest`, it will follow this behavior change in Python 3.12.

However, when test filtering is used in `absltest`, often used via `bazel test --test_filter=<my_filter>`, the current user expectation is the `bazel test` command should NOT fail is at least one test ran. Since the test runner here has no visibility of the overall `bazel` invocation, we'll make the test not fail when test filtering is used. This is the existing behavior before Python 3.12.

Also test absl-py on Python 3.12.

PiperOrigin-RevId: 565190992
@copybara-service copybara-service bot mentioned this pull request Sep 14, 2023
Merged
copybara-service bot pushed a commit to abseil/abseil-py that referenced this pull request Sep 14, 2023
@yilei
absltest: do not fail tests on Python 3.12+ when no tests ran AND:
16bcbeb 
- Either test filtering is used
- Sharding is used and the shard index > 0, i.e. only the first shard will fail when no tests ran on Python 3.12+.

Context: Python 3.12 unittest will now fail when no tests ran after the change from python/cpython#102051. Since `absltest` is built on top of `unittest`, it will follow this behavior change in Python 3.12.

However, when test filtering is used in `absltest`, often used via `bazel test --test_filter=<my_filter>`, the current user expectation is the `bazel test` command should NOT fail is at least one test ran. Since the test runner here has no visibility of the overall `bazel` invocation, we'll make the test not fail when test filtering is used. This is the existing behavior before Python 3.12.

Also test absl-py on Python 3.12.

PiperOrigin-RevId: 565190992
copybara-service bot pushed a commit to abseil/abseil-py that referenced this pull request Sep 14, 2023
@yilei
absltest: do not fail tests on Python 3.12+ when no tests ran AND:
4d8eba2 
- Either test filtering is used
- Sharding is used and the shard index > 0, i.e. only the first shard will fail when no tests ran on Python 3.12+.

Context: Python 3.12 unittest will now fail when no tests ran after the change from python/cpython#102051. Since `absltest` is built on top of `unittest`, it will follow this behavior change in Python 3.12.

However, when test filtering is used in `absltest`, often used via `bazel test --test_filter=<my_filter>`, the current user expectation is the `bazel test` command should NOT fail is at least one test ran. Since the test runner here has no visibility of the overall `bazel` invocation, we'll make the test not fail when test filtering is used. This is the existing behavior before Python 3.12.

Also test absl-py on Python 3.12.

PiperOrigin-RevId: 565190992
copybara-service bot pushed a commit to abseil/abseil-py that referenced this pull request Sep 14, 2023
@yilei
absltest: do not fail tests on Python 3.12+ when no tests ran AND:
6c95d4d 
- Either test filtering is used
- Sharding is used and the shard index > 0, i.e. only the first shard will fail when no tests ran on Python 3.12+.

Context: Python 3.12 unittest will now fail when no tests ran after the change from python/cpython#102051. Since `absltest` is built on top of `unittest`, it will follow this behavior change in Python 3.12.

However, when test filtering is used in `absltest`, often used via `bazel test --test_filter=<my_filter>`, the current user expectation is the `bazel test` command should NOT fail is at least one test ran. Since the test runner here has no visibility of the overall `bazel` invocation, we'll make the test not fail when test filtering is used via bazel's environment variable. This is the existing behavior before Python 3.12.

Also test absl-py on Python 3.12.

PiperOrigin-RevId: 565190992
copybara-service bot pushed a commit to abseil/abseil-py that referenced this pull request Sep 14, 2023
@yilei
absltest: do not fail tests on Python 3.12+ when no tests ran AND:
9ff9bfa 
- Either test filtering is used
- Sharding is used and the shard index > 0, i.e. only the first shard will fail when no tests ran on Python 3.12+.

Context: Python 3.12 unittest will now fail when no tests ran after the change from python/cpython#102051. Since `absltest` is built on top of `unittest`, it will follow this behavior change in Python 3.12.

However, when test filtering is used in `absltest`, often used via `bazel test --test_filter=<my_filter>`, the current user expectation is the `bazel test` command should NOT fail is at least one test ran. Since the test runner here has no visibility of the overall `bazel` invocation, we'll make the test not fail when test filtering is used via bazel's environment variable. This is the existing behavior before Python 3.12.

Also test absl-py on Python 3.12.

PiperOrigin-RevId: 565190992
copybara-service bot pushed a commit to abseil/abseil-py that referenced this pull request Sep 14, 2023
@yilei
absltest: do not fail tests on Python 3.12+ when no tests ran and:
8d1a40c 
- Either test filtering is used
- Or sharding is used and the shard index > 0, i.e. only the first shard will fail when no tests ran on Python 3.12+.

Context: Python 3.12 unittest will now fail when no tests ran after the change from python/cpython#102051. Since `absltest` is built on top of `unittest`, it will follow this behavior change in Python 3.12.

However, when test filtering is used in `absltest`, often used via `bazel test --test_filter=<my_filter>`, the current user expectation is the `bazel test` command should NOT fail is at least one test ran. Since the test runner here has no visibility of the overall `bazel` invocation, we'll make the test not fail when test filtering is used via bazel's environment variable. This is the existing behavior before Python 3.12.

Also test absl-py on Python 3.12.

PiperOrigin-RevId: 565190992
copybara-service bot pushed a commit to abseil/abseil-py that referenced this pull request Sep 14, 2023
@yilei
absltest: do not fail tests on Python 3.12+ when no tests ran and:
bbd341c 
- Either test filtering is used
- Or sharding is used and the shard index > 0, i.e. only the first shard will fail when no tests ran on Python 3.12+.

Context: Python 3.12 unittest will now fail when no tests ran after the change from python/cpython#102051. Since `absltest` is built on top of `unittest`, it will follow this behavior change in Python 3.12.

However, when test filtering is used in `absltest`, often used via `bazel test --test_filter=<my_filter>`, the current user expectation is the `bazel test` command should NOT fail is at least one test ran. Since the test runner here has no visibility of the overall `bazel` invocation, we'll make the test not fail when test filtering is used via bazel's environment variable. This is the existing behavior before Python 3.12.

Also test absl-py on Python 3.12.

PiperOrigin-RevId: 565190992
copybara-service bot pushed a commit to abseil/abseil-py that referenced this pull request Sep 15, 2023
@yilei
absltest: do not fail tests on Python 3.12+ when no tests ran and:
a4db4a8 
- Either test filtering is used
- Or sharding is used and the shard index > 0, i.e. only the first shard will fail when no tests ran on Python 3.12+.

Context: Python 3.12 unittest will now fail when no tests ran after the change from python/cpython#102051. Since `absltest` is built on top of `unittest`, it will follow this behavior change in Python 3.12.

However, when test filtering is used in `absltest`, often used via `bazel test --test_filter=<my_filter>`, the current user expectation is the `bazel test` command should NOT fail is at least one test ran. Since the test runner here has no visibility of the overall `bazel` invocation, we'll make the test not fail when test filtering is used via bazel's environment variable. This is the existing behavior before Python 3.12.

Also test absl-py on Python 3.12.

PiperOrigin-RevId: 565190992
copybara-service bot pushed a commit to abseil/abseil-py that referenced this pull request Sep 15, 2023
@yilei
absltest: do not fail tests on Python 3.12+ when no tests ran and:
14f99e8 
- Either test filtering is used
- Or sharding is used and the shard index > 0, i.e. only the first shard will fail when no tests ran on Python 3.12+.

Context: Python 3.12 unittest will now fail when no tests ran after the change from python/cpython#102051. Since `absltest` is built on top of `unittest`, it will follow this behavior change in Python 3.12.

However, when test filtering is used in `absltest`, often used via `bazel test --test_filter=<my_filter>`, the current user expectation is the `bazel test` command should NOT fail is at least one test ran. Since the test runner here has no visibility of the overall `bazel` invocation, we'll make the test not fail when test filtering is used via bazel's environment variable. This is the existing behavior before Python 3.12.

Also test absl-py on Python 3.12.

PiperOrigin-RevId: 565190992
copybara-service bot pushed a commit to abseil/abseil-py that referenced this pull request Sep 15, 2023
@yilei
absltest: do not fail tests on Python 3.12+ when no tests ran and:
609aa55 
- Either test filtering is used
- Or sharding is used and the shard index > 0, i.e. only the first shard will fail when no tests ran on Python 3.12+.

Context: Python 3.12 unittest will now fail when no tests ran after the change from python/cpython#102051. Since `absltest` is built on top of `unittest`, it will follow this behavior change in Python 3.12.

However, when test filtering is used in `absltest`, often used via `bazel test --test_filter=<my_filter>`, the current user expectation is the `bazel test` command should NOT fail is at least one test ran. Since the test runner here has no visibility of the overall `bazel` invocation, we'll make the test not fail when test filtering is used via bazel's environment variable. This is the existing behavior before Python 3.12.

Also test absl-py on Python 3.12.

PiperOrigin-RevId: 565190992
copybara-service bot pushed a commit to abseil/abseil-py that referenced this pull request Sep 15, 2023
@yilei
absltest: do not fail tests on Python 3.12+ when no tests ran and:
1edf2ab 
- Either test filtering is used
- Or sharding is used and the shard index > 0, i.e. only the first shard will fail when no tests ran on Python 3.12+.

Context: Python 3.12 unittest will now fail when no tests ran after the change from python/cpython#102051. Since `absltest` is built on top of `unittest`, it will follow this behavior change in Python 3.12.

However, when test filtering is used in `absltest`, often used via `bazel test --test_filter=<my_filter>`, the current user expectation is the `bazel test` command should NOT fail is at least one test ran. Since the test runner here has no visibility of the overall `bazel` invocation, we'll make the test not fail when test filtering is used via bazel's environment variable. This is the existing behavior before Python 3.12.

Also test absl-py on Python 3.12.

PiperOrigin-RevId: 565771935
@zware zware mentioned this pull request Jan 3, 2024
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@gpshead gpshead gpshead approved these changes

@hugovk hugovk Awaiting requested review from hugovk

@ezio-melotti ezio-melotti Awaiting requested review from ezio-melotti

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running a suite with no tests is not an error
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