Add empty sentinel item in WorkerInteractor queue #1090
Closed
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
When pytest_runtest_protocol is called with item==nextitem multiple times, with a test that accepts some fixtures -> the second call forward raises an error.
This is caused in WorkerInteractor when the same test appears twice in a row in the queue.
To deal with this, we define an "empty" item that shall allow us to call pytest_runtest_protocol with nextitem=None, effectively solving this problem so long sequential executions of the same items are delimited by these empty items in the queue.