Capture both stdout and stderr of isort command #108

	name: Run isort
	on:
	- push
	- pull_request

	jobs:
	test:
	runs-on: ${{matrix.os}}
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest, macos-latest]
	steps:
	- uses: actions/checkout@v4
	- id: imports-properly-sorted
	uses: ./
	with:
	sortPaths: test/good.py
	- name: assert-sorted-imports-return-no-output
	run: \|
	output="${{steps.imports-properly-sorted.outputs.isort-result}}"
	if ! [[ $output == "" ]]; then
	exit 1
	fi
	- id: imports-improperly-sorted
	uses: ./
	with:
	sortPaths: test/bad.py
	configuration: --diff
	- name: assert-improperly-sorted-imports-return-output
	run: \|
	output="${{steps.imports-improperly-sorted.outputs.isort-result}}"
	expected_substring="+import datetime"
	if ! [[ $output == "${expected_substring}" ]]; then
	exit 1
	fi

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