CI #699

	name: CI
	on:
	push:
	branches:
	- "master"
	pull_request:
	branches:
	- "*"
	schedule:
	- cron: "0 0 * * *" # Daily “At 00:00”
	workflow_dispatch: # allows you to trigger manually

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	build:
	name: Build (${{ matrix.python-version }}, ${{ matrix.os }})
	runs-on: ${{ matrix.os }}
	defaults:
	run:
	shell: bash -l {0}
	strategy:
	fail-fast: false
	matrix:
	os: ["ubuntu-latest"]
	python-version: ["3.7", "3.10"]
	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 10 # Fetch all history for all branches and tags.
	- name: Set environment variables
	run: \|
	echo "CONDA_ENV_FILE=ci/environment.yml" >> $GITHUB_ENV
	echo "PYTHON_VERSION=${{ matrix.python-version }}" >> $GITHUB_ENV

	- name: Setup micromamba
	uses: mamba-org/provision-with-micromamba@v15
	with:
	environment-file: ${{ env.CONDA_ENV_FILE }}
	environment-name: xarray-tests
	cache-env: true
	cache-env-key: "${{runner.os}}-${{runner.arch}}-py${{matrix.python-version}}-${{hashFiles(env.CONDA_ENV_FILE)}}"
	extra-specs: \|
	python=${{matrix.python-version}}
	conda

	# We only want to install this on one run, because otherwise we'll have
	# duplicate annotations.
	- name: Install error reporter
	if: ${{ matrix.os }} == 'ubuntu-latest' and ${{ matrix.python-version }} == '3.10'
	run: \|
	python -m pip install pytest-github-actions-annotate-failures

	- name: Set up conda environment
	shell: bash -l {0}
	run: \|
	python -m pip install -e .[tests]
	conda list

	- name: Run Tests
	shell: bash -l {0}
	run: \|
	pytest

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