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"""
Tests the Grip command-line interface.
"""
from __future__ import print_function, unicode_literals
import sys
from subprocess import PIPE, STDOUT, CalledProcessError, Popen
import pytest
from grip.command import usage, version
if sys.version_info[0] == 2 and sys.version_info[1] < 7:
class CalledProcessError(CalledProcessError):
def __init__(self, returncode, cmd, output):
super(CalledProcessError, self).__init__(returncode, cmd)
self.output = output
def run(*args, **kwargs):
command = kwargs.pop('command', 'grip')
stdin = kwargs.pop('stdin', None)
cmd = [command] + list(args)
p = Popen(cmd, stdin=PIPE, stdout=PIPE, stderr=STDOUT,
universal_newlines=True)
# Sent input as STDIN then close it
output, _ = p.communicate(input=stdin)
p.stdin.close()
# Wait for process to terminate
returncode = p.wait()
# Raise exception on failed process calls
if returncode != 0:
raise CalledProcessError(returncode, cmd, output=output)
return output
def test_help():
assert run('-h') == usage
assert run('--help') == usage
def test_version():
assert run('-V') == version + '\n'
assert run('--version') == version + '\n'
def test_bad_command():
simple_usage = '\n\n'.join(usage.split('\n\n')[:1])
with pytest.raises(CalledProcessError) as excinfo:
run('--does-not-exist')
assert excinfo.value.output == simple_usage + '\n'
# TODO: Figure out how to run the CLI and still capture requests
# TODO: Test all Grip CLI commands and arguments
# TODO: Test settings wire-up (settings.py, settings_local.py, ~/.grip)
# TODO: Test `cat README.md | ~/.local/bin/grip - --export -` (#152)
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