TST: Add test for retaining dtype of datetime columns in `DataFrame.to_hdf` #20578

Workflow file for this run

.github/workflows/unit-tests.yml at 93fbe50

	name: Unit Tests

	on:
	push:
	branches:
	- main
	- 2.3.x
	pull_request:
	branches:
	- main
	- 2.3.x
	paths-ignore:
	- "doc/**"
	- "web/**"

	permissions:
	contents: read

	defaults:
	run:
	shell: bash -el {0}

	jobs:
	ubuntu:
	runs-on: ubuntu-22.04
	timeout-minutes: 90
	strategy:
	matrix:
	env_file: [actions-310.yaml, actions-311.yaml, actions-312.yaml]
	# Prevent the include jobs from overriding other jobs
	pattern: [""]
	pandas_future_infer_string: ["0"]
	include:
	- name: "Downstream Compat"
	env_file: actions-311-downstream_compat.yaml
	pattern: "not slow and not network and not single_cpu"
	pytest_target: "pandas/tests/test_downstream.py"
	- name: "Minimum Versions"
	env_file: actions-310-minimum_versions.yaml
	pattern: "not slow and not network and not single_cpu"
	- name: "Locale: it_IT"
	env_file: actions-311.yaml
	pattern: "not slow and not network and not single_cpu"
	extra_apt: "language-pack-it"
	# Use the utf8 version as the default, it has no bad side-effect.
	lang: "it_IT.utf8"
	lc_all: "it_IT.utf8"
	# Also install it_IT (its encoding is ISO8859-1) but do not activate it.
	# It will be temporarily activated during tests with locale.setlocale
	extra_loc: "it_IT"
	- name: "Locale: zh_CN"
	env_file: actions-311.yaml
	pattern: "not slow and not network and not single_cpu"
	extra_apt: "language-pack-zh-hans"
	# Use the utf8 version as the default, it has no bad side-effect.
	lang: "zh_CN.utf8"
	lc_all: "zh_CN.utf8"
	# Also install zh_CN (its encoding is gb2312) but do not activate it.
	# It will be temporarily activated during tests with locale.setlocale
	extra_loc: "zh_CN"
	- name: "Future infer strings"
	env_file: actions-312.yaml
	pandas_future_infer_string: "1"
	- name: "Future infer strings (without pyarrow)"
	env_file: actions-311.yaml
	pandas_future_infer_string: "1"
	- name: "Pypy"
	env_file: actions-pypy-39.yaml
	pattern: "not slow and not network and not single_cpu"
	test_args: "--max-worker-restart 0"
	- name: "Numpy Dev"
	env_file: actions-311-numpydev.yaml
	pattern: "not slow and not network and not single_cpu"
	test_args: "-W error::DeprecationWarning -W error::FutureWarning"
	- name: "Pyarrow Nightly"
	env_file: actions-311-pyarrownightly.yaml
	pattern: "not slow and not network and not single_cpu"
	fail-fast: false
	name: ${{ matrix.name \|\| format('ubuntu-latest {0}', matrix.env_file) }}
	env:
	PATTERN: ${{ matrix.pattern }}
	LANG: ${{ matrix.lang \|\| 'C.UTF-8' }}
	LC_ALL: ${{ matrix.lc_all \|\| '' }}
	PANDAS_CI: '1'
	PANDAS_FUTURE_INFER_STRING: ${{ matrix.pandas_future_infer_string \|\| '0' }}
	TEST_ARGS: ${{ matrix.test_args \|\| '' }}
	PYTEST_WORKERS: 'auto'
	PYTEST_TARGET: ${{ matrix.pytest_target \|\| 'pandas' }}
	# Clipboard tests
	QT_QPA_PLATFORM: offscreen
	REMOVE_PYARROW: ${{ matrix.name == 'Future infer strings (without pyarrow)' && '1' \|\| '0' }}
	concurrency:
	# https://github.community/t/concurrecy-not-work-for-push/183068/7
	group: ${{ github.event_name == 'push' && github.run_number \|\| github.ref }}-${{ matrix.env_file }}-${{ matrix.pattern }}-${{ matrix.extra_apt \|\| '' }}-${{ matrix.pandas_future_infer_string }}
	cancel-in-progress: true

	services:
	mysql:
	image: mysql:8
	env:
	MYSQL_ALLOW_EMPTY_PASSWORD: yes
	MYSQL_DATABASE: pandas
	options: >-
	--health-cmd "mysqladmin ping"
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	ports:
	- 3306:3306

	postgres:
	image: postgres:16
	env:
	PGUSER: postgres
	POSTGRES_USER: postgres
	POSTGRES_PASSWORD: postgres
	POSTGRES_DB: pandas
	options: >-
	--health-cmd pg_isready
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	ports:
	- 5432:5432

	moto:
	image: motoserver/moto:5.0.0
	env:
	AWS_ACCESS_KEY_ID: foobar_key
	AWS_SECRET_ACCESS_KEY: foobar_secret
	ports:
	- 5000:5000

	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Extra installs
	# https://pytest-qt.readthedocs.io/en/latest/troubleshooting.html#github-actions-azure-pipelines-travis-ci-and-gitlab-ci-cd
	run: sudo apt-get update && sudo apt-get install -y libegl1 libopengl0 ${{ matrix.extra_apt \|\| ''}}

	- name: Generate extra locales
	# These extra locales will be available for locale.setlocale() calls in tests
	run: sudo locale-gen ${{ matrix.extra_loc }}
	if: ${{ matrix.extra_loc }}

	- name: Set up Conda
	uses: ./.github/actions/setup-conda
	with:
	environment-file: ci/deps/${{ matrix.env_file }}

	- name: Build Pandas
	id: build
	uses: ./.github/actions/build_pandas
	# TODO: Re-enable once Pypy has Pypy 3.10 on conda-forge
	if: ${{ matrix.name != 'Pypy' }}

	- name: Test (not single_cpu)
	uses: ./.github/actions/run-tests
	if: ${{ matrix.name != 'Pypy' }}
	env:
	# Set pattern to not single_cpu if not already set
	PATTERN: ${{ env.PATTERN == '' && 'not single_cpu' \|\| matrix.pattern }}

	- name: Test (single_cpu)
	uses: ./.github/actions/run-tests
	env:
	PATTERN: 'single_cpu'
	PYTEST_WORKERS: 0
	if: ${{ matrix.pattern == '' && (always() && steps.build.outcome == 'success')}}

	macos-windows:
	timeout-minutes: 90
	strategy:
	matrix:
	# Note: Don't use macOS latest since macos 14 appears to be arm64 only
	os: [macos-13, macos-14, windows-latest]
	env_file: [actions-310.yaml, actions-311.yaml, actions-312.yaml]
	fail-fast: false
	runs-on: ${{ matrix.os }}
	name: ${{ format('{0} {1}', matrix.os, matrix.env_file) }}
	concurrency:
	# https://github.community/t/concurrecy-not-work-for-push/183068/7
	group: ${{ github.event_name == 'push' && github.run_number \|\| github.ref }}-${{ matrix.env_file }}-${{ matrix.os }}
	cancel-in-progress: true
	env:
	PANDAS_CI: 1
	PYTEST_TARGET: pandas
	PATTERN: "not slow and not db and not network and not single_cpu"
	PYTEST_WORKERS: 'auto'

	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Set up Conda
	uses: ./.github/actions/setup-conda
	with:
	environment-file: ci/deps/${{ matrix.env_file }}

	- name: Build Pandas
	uses: ./.github/actions/build_pandas

	- name: Test
	uses: ./.github/actions/run-tests

	Linux-32-bit:
	runs-on: ubuntu-22.04
	container:
	image: quay.io/pypa/manylinux2014_i686
	options: --platform linux/386
	steps:
	- name: Checkout pandas Repo
	# actions/checkout does not work since it requires node
	run: \|
	git config --global --add safe.directory $PWD

	if [ $GITHUB_EVENT_NAME != pull_request ]; then
	git clone --recursive --branch=$GITHUB_REF_NAME https://github.com/${GITHUB_REPOSITORY}.git $GITHUB_WORKSPACE
	git reset --hard $GITHUB_SHA
	else
	git clone --recursive https://github.com/${GITHUB_REPOSITORY}.git $GITHUB_WORKSPACE
	git fetch origin $GITHUB_REF:my_ref_name
	git checkout $GITHUB_BASE_REF
	git -c user.email="[email protected]" merge --no-commit my_ref_name
	fi
	- name: Build environment and Run Tests
	# https://github.com/numpy/numpy/issues/24703#issuecomment-1722379388
	run: \|
	/opt/python/cp311-cp311/bin/python -m venv ~/virtualenvs/pandas-dev
	. ~/virtualenvs/pandas-dev/bin/activate
	python -m pip install --no-cache-dir -U pip wheel setuptools meson[ninja]==1.2.1 meson-python==0.13.1
	python -m pip install numpy -Csetup-args="-Dallow-noblas=true"
	python -m pip install --no-cache-dir versioneer[toml] cython python-dateutil pytest>=7.3.2 pytest-xdist>=3.4.0 hypothesis>=6.84.0
	python -m pip install --no-cache-dir --no-build-isolation -e . -Csetup-args="--werror"
	python -m pip list --no-cache-dir
	export PANDAS_CI=1
	python -m pytest -m 'not slow and not network and not clipboard and not single_cpu' pandas --junitxml=test-data.xml
	concurrency:
	# https://github.community/t/concurrecy-not-work-for-push/183068/7
	group: ${{ github.event_name == 'push' && github.run_number \|\| github.ref }}-32bit
	cancel-in-progress: true

	Linux-Musl:
	runs-on: ubuntu-22.04
	container:
	image: quay.io/pypa/musllinux_1_1_x86_64
	steps:
	- name: Checkout pandas Repo
	# actions/checkout does not work since it requires node
	run: \|
	git config --global --add safe.directory $PWD

	if [ $GITHUB_EVENT_NAME != pull_request ]; then
	git clone --recursive --branch=$GITHUB_REF_NAME https://github.com/${GITHUB_REPOSITORY}.git $GITHUB_WORKSPACE
	git reset --hard $GITHUB_SHA
	else
	git clone --recursive https://github.com/${GITHUB_REPOSITORY}.git $GITHUB_WORKSPACE
	git fetch origin $GITHUB_REF:my_ref_name
	git checkout $GITHUB_BASE_REF
	git -c user.email="[email protected]" merge --no-commit my_ref_name
	fi
	- name: Configure System Packages
	run: \|
	apk update
	apk add musl-locales
	- name: Build environment
	run: \|
	/opt/python/cp311-cp311/bin/python -m venv ~/virtualenvs/pandas-dev
	. ~/virtualenvs/pandas-dev/bin/activate
	python -m pip install --no-cache-dir -U pip wheel setuptools meson-python==0.13.1 meson[ninja]==1.2.1
	python -m pip install --no-cache-dir versioneer[toml] cython numpy python-dateutil pytest>=7.3.2 pytest-xdist>=3.4.0 hypothesis>=6.84.0
	python -m pip install --no-cache-dir --no-build-isolation -e . -Csetup-args="--werror"
	python -m pip list --no-cache-dir

	- name: Run Tests
	run: \|
	. ~/virtualenvs/pandas-dev/bin/activate
	export PANDAS_CI=1
	python -m pytest -m 'not slow and not network and not clipboard and not single_cpu' pandas --junitxml=test-data.xml
	concurrency:
	# https://github.community/t/concurrecy-not-work-for-push/183068/7
	group: ${{ github.event_name == 'push' && github.run_number \|\| github.ref }}-musl
	cancel-in-progress: true

	python-dev:
	# This job may or may not run depending on the state of the next
	# unreleased Python version. DO NOT DELETE IT.
	#
	# In general, this will remain frozen(present, but not running) until:
	# - The next unreleased Python version has released beta 1
	# - This version should be available on GitHub Actions.
	# - Our required build/runtime dependencies(numpy, Cython, python-dateutil)
	# support that unreleased Python version.
	# To unfreeze, comment out the ``if: false`` condition, and make sure you update
	# the name of the workflow and Python version in actions/setup-python ``python-version:``
	#
	# After it has been unfrozen, this file should remain unfrozen(present, and running) until:
	# - The next Python version has been officially released.
	# OR
	# - Most/All of our optional dependencies support the next Python version AND
	# - The next Python version has released a rc(we are guaranteed a stable ABI).
	# To freeze this file, uncomment out the ``if: false`` condition, and migrate the jobs
	# to the corresponding posix/windows-macos/sdist etc. workflows.
	# Feel free to modify this comment as necessary.
	# if: false # Uncomment this to freeze the workflow, comment it to unfreeze
	defaults:
	run:
	shell: bash -eou pipefail {0}
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	# Separate out macOS 13 and 14, since macOS 14 is arm64 only
	os: [ubuntu-22.04, macOS-13, macOS-14, windows-latest]

	timeout-minutes: 90

	concurrency:
	# https://github.community/t/concurrecy-not-work-for-push/183068/7
	group: ${{ github.event_name == 'push' && github.run_number \|\| github.ref }}-${{ matrix.os }}-python-dev
	cancel-in-progress: true

	env:
	PYTEST_WORKERS: "auto"
	PANDAS_CI: 1
	PATTERN: "not slow and not network and not clipboard and not single_cpu"
	PYTEST_TARGET: pandas

	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Set up Python Dev Version
	uses: actions/setup-python@v5
	with:
	python-version: '3.13-dev'

	- name: Build Environment
	run: \|
	python --version
	python -m pip install --upgrade pip setuptools wheel meson[ninja]==1.2.1 meson-python==0.13.1
	python -m pip install --pre --extra-index-url https://pypi.anaconda.org/scientific-python-nightly-wheels/simple numpy
	python -m pip install versioneer[toml]
	python -m pip install python-dateutil tzdata cython hypothesis>=6.84.0 pytest>=7.3.2 pytest-xdist>=3.4.0 pytest-cov
	python -m pip install -ve . --no-build-isolation --no-index --no-deps -Csetup-args="--werror"
	python -m pip list

	- name: Run Tests
	uses: ./.github/actions/run-tests

	python-freethreading:
	defaults:
	run:
	shell: bash -eou pipefail {0}
	runs-on: ubuntu-22.04

	timeout-minutes: 90

	concurrency:
	# https://github.community/t/concurrecy-not-work-for-push/183068/7
	group: ${{ github.event_name == 'push' && github.run_number \|\| github.ref }}-${{ matrix.os }}-python-freethreading-dev
	cancel-in-progress: true

	env:
	PYTEST_WORKERS: "auto"
	PANDAS_CI: 1
	PATTERN: "not slow and not network and not clipboard and not single_cpu"
	PYTEST_TARGET: pandas

	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Set up Python Free-threading Version
	uses: deadsnakes/[email protected]
	with:
	python-version: 3.13-dev
	nogil: true

	- name: Build Environment
	run: \|
	python --version
	python -m pip install --upgrade pip setuptools wheel numpy meson[ninja]==1.2.1 meson-python==0.13.1
	python -m pip install --pre --extra-index-url https://pypi.anaconda.org/scientific-python-nightly-wheels/simple cython
	python -m pip install versioneer[toml]
	python -m pip install python-dateutil pytz tzdata hypothesis>=6.84.0 pytest>=7.3.2 pytest-xdist>=3.4.0 pytest-cov
	python -m pip install -ve . --no-build-isolation --no-index --no-deps -Csetup-args="--werror"
	python -m pip list

	- name: Run Tests
	uses: ./.github/actions/run-tests

	# NOTE: this job must be kept in sync with the Pyodide build job in wheels.yml
	emscripten:
	# Note: the Python version, Emscripten toolchain version are determined
	# by the Pyodide version. The appropriate versions can be found in the
	# Pyodide repodata.json "info" field, or in the Makefile.envs file:
	# https://github.com/pyodide/pyodide/blob/stable/Makefile.envs#L2
	# The Node.js version can be determined via Pyodide:
	# https://pyodide.org/en/stable/usage/index.html#node-js
	name: Pyodide build
	runs-on: ubuntu-22.04
	concurrency:
	# https://github.community/t/concurrecy-not-work-for-push/183068/7
	group: ${{ github.event_name == 'push' && github.run_number \|\| github.ref }}-wasm
	cancel-in-progress: true
	steps:
	- name: Checkout pandas Repo
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Set up Python for Pyodide
	id: setup-python
	uses: actions/setup-python@v5
	with:
	python-version: '3.11.3'

	- name: Set up Emscripten toolchain
	uses: mymindstorm/setup-emsdk@v14
	with:
	version: '3.1.46'
	actions-cache-folder: emsdk-cache

	- name: Install pyodide-build
	run: pip install "pyodide-build==0.25.1"

	- name: Build pandas for Pyodide
	run: \|
	pyodide build

	- name: Set up Node.js
	uses: actions/setup-node@v4
	with:
	node-version: '18'

	- name: Set up Pyodide virtual environment
	run: \|
	pyodide venv .venv-pyodide
	source .venv-pyodide/bin/activate
	pip install dist/*.whl

	- name: Test pandas for Pyodide
	env:
	PANDAS_CI: 1
	run: \|
	source .venv-pyodide/bin/activate
	pip install pytest hypothesis
	# do not import pandas from the checked out repo
	cd ..
	python -c 'import pandas as pd; pd.test(extra_args=["-m not clipboard and not single_cpu and not slow and not network and not db"])'

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TST: Add test for retaining dtype of datetime columns in `DataFrame.to_hdf` #20578

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TST: Add test for retaining dtype of datetime columns in `DataFrame.to_hdf` #20578

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TST: Add test for retaining dtype of datetime columns in DataFrame.to_hdf #20578

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Workflow file for this run

TST: Add test for retaining dtype of datetime columns in `DataFrame.to_hdf` #20578