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feat(tests): Add unit-serial to test TASKGRAPH_SERIAL #958

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Merged
hneiva merged 1 commit into from
May 25, 2026
Merged

feat(tests): Add unit-serial to test TASKGRAPH_SERIAL #958

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1 change: 1 addition & 0 deletions taskcluster/config.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@ treeherder:
'doc': 'Documentation tasks'
'unit': 'Unit test tasks'
'unit-multithread': 'Unit test tasks with multithreading enabled'
'unit-serial': 'Unit test tasks with serial enabled'
'integration': 'Integration test tasks'

index:
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20 changes: 20 additions & 0 deletions taskcluster/kinds/test/linux.yml
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Expand Up @@ -70,6 +70,26 @@ unit-multithread:
command: >-
uv run coverage run --data-file /builds/worker/artifacts/coverage --context=py{matrix[python]} -m pytest -vv

unit-serial:
description: "Run unit tests with py{matrix[python]} on Linux in serial mode"
matrix:
set-name: "unit-serial-py{matrix[python]}"
substitution-fields: [description, run.command, treeherder, worker, attributes]
python: ["314"]
worker:
docker-image: {in-tree: python}
env:
TASKGRAPH_SERIAL: "1"
artifacts:
- type: file
path: "/builds/worker/artifacts/coverage"
name: "public/coverage.py{matrix[python]}"
treeherder:
symbol: unit-serial(py{matrix[python]})
run:
command: >-
uv run coverage run --data-file /builds/worker/artifacts/coverage --context=py{matrix[python]} -m pytest -vv

integration:
description: "Run unit tests with py{matrix[python]} on Linux with resolution {matrix[resolution]}"
attributes:
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8 changes: 5 additions & 3 deletions test/test_generator.py
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Expand Up @@ -16,11 +16,13 @@
from taskgraph.util.schema import SchemaValidationError

linuxonly = pytest.mark.skipif(
platform.system() != "Linux" or os.environ.get("TASKGRAPH_USE_THREADS"),
reason="requires Linux and 'fork' multiprocessing support",
platform.system() != "Linux"
or os.environ.get("TASKGRAPH_USE_THREADS")
or os.environ.get("TASKGRAPH_SERIAL"),
reason="requires Linux multiprocessing support",
)
threadsonly = pytest.mark.skipif(
not os.environ.get("TASKGRAPH_USE_THREADS"),
not os.environ.get("TASKGRAPH_USE_THREADS") or os.environ.get("TASKGRAPH_SERIAL"),
reason="requires multithreading to be enabled",
)

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