Return empty data even if surroundings file is empty #414

	name: Pull Request Tests

	on:
	pull_request:
	types: [opened, synchronize]
	branches: [master]

	jobs:
	check_environment_yml:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Setup master branch locally without switching current branch
	run: git fetch origin master:master

	- name: Check environment.yml diff
	id: environment_yml_diff
	run: \|
	set +e
	git diff --quiet ..master -- environment.yml
	echo "env_diff=$?" >> "$GITHUB_OUTPUT"

	- name: Check conda-lock.yml diff
	id: conda_lock_yml_diff
	run: \|
	set +e
	git diff --quiet ..master -- conda-lock.yml
	echo "lock_diff=$?" >> "$GITHUB_OUTPUT"

	- uses: actions/github-script@v7
	if: ${{ steps.environment_yml_diff.outputs.env_diff != 0 && steps.conda_lock_yml_diff.outputs.lock_diff == 0 }}
	with:
	script: \|
	github.rest.issues.createComment({
	issue_number: context.issue.number,
	owner: context.repo.owner,
	repo: context.repo.repo,
	body: 'Changes detected in `environment.yml` but `conda-lock.yml` is not updated.'
	})
	core.setFailed('conda-lock.yml needs to be updated')

	build:
	name: ${{ matrix.os }}
	runs-on: ${{ matrix.os }}
	needs: check_environment_yml
	strategy:
	fail-fast: false
	matrix:
	os: ["ubuntu-latest", "macos-latest", "windows-latest"]
	steps:
	- uses: actions/checkout@v4

	- name: Install Conda environment with Micromamba
	uses: mamba-org/setup-micromamba@v1
	with:
	environment-file: conda-lock.yml
	environment-name: cea
	cache-environment: true

	- name: Install CEA
	shell: bash -l {0}
	run: pip install .

	- name: Run tests
	shell: bash -l {0}
	run: cea test --workflow quick

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