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Cache split_tests pytest --collect-only results between CI runs (#171780)

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Co-authored-by: Robert Resch <robert@resch.dev>
This commit is contained in:
J. Nick Koston
2026-07-28 16:36:09 +02:00
committed by GitHub
co-authored by Robert Resch
parent 7b9c969f90
commit b955e776e7
3 changed files with 1094 additions and 63 deletions
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.github/workflows/ci.yaml
+38 -1
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@@ -734,12 +734,49 @@ jobs:
python-cache-key: ${{ needs.info.outputs.python_cache_key }}
uv-cache-dir: ${{ env.UV_CACHE_DIR }}
apt-cache-version: ${{ env.APT_CACHE_VERSION }}
- name: Restore pytest test counts cache
id: cache-pytest-counts
uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: pytest_test_counts.json
# Primary key is a sentinel; restore-keys pick the most recent
# prefix match since the real (content-addressed) key isn't
# known until split_tests.py runs below.
key: >-
pytest-counts-${{ runner.os }}-${{ runner.arch }}-${{
steps.python.outputs.python-version }}-${{
needs.info.outputs.python_cache_key }}-restore-sentinel
restore-keys: |
pytest-counts-${{ runner.os }}-${{ runner.arch }}-${{ steps.python.outputs.python-version }}-${{ needs.info.outputs.python_cache_key }}-
- name: Run split_tests.py
env:
TEST_GROUP_COUNT: ${{ needs.info.outputs.test_group_count }}
run: |
. venv/bin/activate
python -m script.split_tests ${TEST_GROUP_COUNT} tests
python -m script.split_tests \
--cache pytest_test_counts.json \
${TEST_GROUP_COUNT} tests
- name: Hash pytest test counts cache
id: cache-pytest-counts-hash
run: |
echo "hash=$(sha256sum pytest_test_counts.json | cut -d' ' -f1)" \
>> "$GITHUB_OUTPUT"
- name: Save pytest test counts cache
# Content-addressed key: identical content reuses the same entry.
# Skip the save when the restore already matched that hash.
if: >-
!endsWith(
steps.cache-pytest-counts.outputs.cache-matched-key,
steps.cache-pytest-counts-hash.outputs.hash
)
uses: actions/cache/save@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
with:
path: pytest_test_counts.json
key: >-
pytest-counts-${{ runner.os }}-${{ runner.arch }}-${{
steps.python.outputs.python-version }}-${{
needs.info.outputs.python_cache_key }}-${{
steps.cache-pytest-counts-hash.outputs.hash }}
- name: Upload pytest_buckets
uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
with: