name: Tests

on:

push:

branches-ignore:

- auto-backport-of-pr-[0-9]+

- v[0-9]+.[0-9]+.[0-9x]+-doc

pull_request:

branches-ignore:

- v[0-9]+.[0-9]+.[0-9x]+-doc

env:

NO_AT_BRIDGE: 1 # Necessary for GTK3 interactive test.

OPENBLAS_NUM_THREADS: 1

PYTHONFAULTHANDLER: 1

jobs:

test:

name: "Python ${{ matrix.python-version }} on ${{ matrix.os }} ${{ matrix.name-suffix }}"

runs-on: ${{ matrix.os }}

strategy:

fail-fast: false

matrix:

include:

- name-suffix: "(Minimum Versions)"

os: ubuntu-18.04

python-version: 3.7

extra-requirements: '-c requirements/testing/minver.txt'

pyqt5-ver: '==5.8 sip==4.19.7' # oldest versions with a Py3.7 wheel.

delete-font-cache: true

XVFB_RUN: xvfb-run -a

- os: ubuntu-18.04

python-version: 3.7

extra-requirements: '-r requirements/testing/extra.txt'

XVFB_RUN: xvfb-run -a

CFLAGS: "-fno-lto" # Ensure that disabling LTO works.

- os: ubuntu-18.04

python-version: 3.8

extra-requirements: '-r requirements/testing/extra.txt'

XVFB_RUN: xvfb-run -a

- os: ubuntu-20.04

python-version: 3.9

extra-requirements: '-r requirements/testing/extra.txt'

XVFB_RUN: xvfb-run -a

- os: ubuntu-20.04

python-version: '3.10'

# Re-add this when extra dependencies have wheels.

# extra-requirements: '-r requirements/testing/extra.txt'

XVFB_RUN: xvfb-run -a

- os: macos-latest

python-version: 3.8

XVFB_RUN: ""

steps:

- uses: actions/checkout@v3

with:

fetch-depth: 0

- name: Set up Python ${{ matrix.python-version }}

uses: actions/setup-python@v2

with:

python-version: ${{ matrix.python-version }}

- name: Install OS dependencies

run: |

case "${{ runner.os }}" in

Linux)

sudo apt-get update -yy

sudo apt-get install -yy \

ccache \

cm-super \

dvipng \

ffmpeg \

gdb \

gir1.2-gtk-3.0 \

graphviz \

inkscape \

lcov \

libcairo2 \

libcairo2-dev \

libffi-dev \

libgeos-dev \

libgirepository1.0-dev \

libsdl2-2.0-0 \

libxkbcommon-x11-0 \

libxcb-icccm4 \

libxcb-image0 \

libxcb-keysyms1 \

libxcb-randr0 \

libxcb-render-util0 \

libxcb-xinerama0 \

lmodern \

fonts-freefont-otf \

texlive-pictures \

pkg-config \

qtbase5-dev \

texlive-fonts-recommended \

texlive-latex-base \

texlive-latex-extra \

texlive-latex-recommended \

texlive-luatex \

texlive-xetex \

ttf-wqy-zenhei

if [[ "${{ matrix.os }}" = ubuntu-20.04 ]]; then

sudo apt install -yy libopengl0

fi

;;

macOS)

brew install ccache

;;

esac

- name: Cache pip

uses: actions/cache@v2

if: startsWith(runner.os, 'Linux')

with:

path: ~/.cache/pip

key: ${{ matrix.os }}-py${{ matrix.python-version }}-pip-${{ hashFiles('requirements/*/*.txt') }}

restore-keys: |

${{ matrix.os }}-py${{ matrix.python-version }}-pip-

- name: Cache pip

uses: actions/cache@v2

if: startsWith(runner.os, 'macOS')

with:

path: ~/Library/Caches/pip

key: ${{ matrix.os }}-py${{ matrix.python-version }}-pip-${{ hashFiles('requirements/*/*.txt') }}

restore-keys: |

${{ matrix.os }}-py${{ matrix.python-version }}-pip-

- name: Cache ccache

uses: actions/cache@v2

with:

path: |

~/.ccache

key: ${{ matrix.os }}-py${{ matrix.python-version }}-ccache-${{ hashFiles('src/*') }}

restore-keys: |

${{ matrix.os }}-py${{ matrix.python-version }}-ccache-

- name: Cache Matplotlib

uses: actions/cache@v2

with:

path: |

~/.cache/matplotlib

!~/.cache/matplotlib/tex.cache

!~/.cache/matplotlib/test_cache

key: 1-${{ runner.os }}-py${{ matrix.python-version }}-mpl-${{ github.ref }}-${{ github.sha }}

restore-keys: |

1-${{ runner.os }}-py${{ matrix.python-version }}-mpl-${{ github.ref }}-

1-${{ runner.os }}-py${{ matrix.python-version }}-mpl-

- name: Install Python dependencies

run: |

# Upgrade pip and setuptools and wheel to get as clean an install as

# possible.

python -m pip install --upgrade pip setuptools wheel

# Install dependencies from PyPI.

python -m pip install --upgrade $PRE \

cycler fonttools kiwisolver numpy packaging pillow pyparsing \

python-dateutil setuptools-scm \

-r requirements/testing/all.txt \

${{ matrix.extra-requirements }}

# Install optional dependencies from PyPI.

# Sphinx is needed to run sphinxext tests

python -m pip install --upgrade sphinx

# GUI toolkits are pip-installable only for some versions of Python

# so don't fail if we can't install them. Make it easier to check

# whether the install was successful by trying to import the toolkit

# (sometimes, the install appears to be successful but shared

# libraries cannot be loaded at runtime, so an actual import is a

# better check).

# PyGObject, pycairo, and cariocffi do not install on OSX 10.12.

python -m pip install --upgrade pycairo 'cairocffi>=0.8' PyGObject &&

python -c 'import gi; gi.require_version("Gtk", "3.0"); from gi.repository import Gtk' &&

echo 'PyGObject is available' ||

echo 'PyGObject is not available'

# There are no functioning wheels available for OSX 10.12 (as of

# Sept 2020) for either pyqt5 (there are only wheels for 10.13+) or

# pyside2 (the latest version (5.13.2) with 10.12 wheels has a

# fatal to us bug, it was fixed in 5.14.0 which has 10.13 wheels)

python -mpip install --upgrade pyqt5${{ matrix.pyqt5-ver }} &&

python -c 'import PyQt5.QtCore' &&

echo 'PyQt5 is available' ||

echo 'PyQt5 is not available'

if [[ "${{ runner.os }}" != 'macOS' ]]; then

python -mpip install --upgrade pyside2 &&

python -c 'import PySide2.QtCore' &&

echo 'PySide2 is available' ||

echo 'PySide2 is not available'

fi

# Qt6 crashes on Github's ubuntu 18.04 runner.

if [[ "${{ matrix.os }}" = ubuntu-20.04 ]]; then

python -mpip install --upgrade pyqt6 &&

python -c 'import PyQt6.QtCore' &&

echo 'PyQt6 is available' ||

echo 'PyQt6 is not available'

python -mpip install --upgrade pyside6 &&

python -c 'import PySide6.QtCore' &&

echo 'PySide6 is available' ||

echo 'PySide6 is not available'

fi

python -mpip install --upgrade \

-f "https://extras.wxpython.org/wxPython4/extras/linux/gtk3/${{ matrix.os }}" \

wxPython &&

python -c 'import wx' &&

echo 'wxPython is available' ||

echo 'wxPython is not available'

- name: Install Matplotlib

run: |

ccache -s

git describe

# Set flag in a delayed manner to avoid issues with installing other

# packages

if [[ "${{ runner.os }}" != 'macOS' ]]; then

if [[ "$(lsb_release -r -s)" == "20.04" ]]; then

export CPPFLAGS='--coverage -fprofile-abs-path'

else

export CPPFLAGS='--coverage'

fi

fi

cat <<EOT >> mplsetup.cfg

[rc_options]

backend=Agg

EOT

cat mplsetup.cfg

# All dependencies must have been pre-installed, so that the minver

# constraints are held.

python -m pip install --no-deps -e .

if [[ "${{ runner.os }}" != 'macOS' ]]; then

unset CPPFLAGS

fi

- name: Clear font cache

run: |

rm -rf ~/.cache/matplotlib

if: matrix.delete-font-cache

- name: Run pytest

run: |

${{ matrix.XVFB_RUN }} python -mpytest -raR -n auto \

--maxfail=50 --timeout=300 --durations=25 \

--cov-report=xml --cov=lib --log-level=DEBUG

- name: Filter C coverage

run: |

lcov --capture --directory . --output-file coverage.info

lcov --output-file coverage.info \

--extract coverage.info $PWD/src/'*' $PWD/lib/'*'

lcov --list coverage.info

find . -name '*.gc*' -delete

if: ${{ runner.os != 'macOS' }}

- name: Upload code coverage

uses: codecov/codecov-action@v2

- uses: actions/upload-artifact@v2

if: failure()

with:

name: "${{ matrix.python-version }} ${{ matrix.os }} ${{ matrix.name-suffix }} result images"

path: ./result_images