# -*- coding: utf-8 -*-
#
# Copyright (C) 2018 Branko Majic
#
# This file is part of Gimmecert.
#
# Gimmecert is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option) any
# later version.
#
# Gimmecert is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# Gimmecert. If not, see <http://www.gnu.org/licenses/>.
#
import subprocess
def test_cli_works():
# John is a system integrator that in his line of work often needs
# to issue certificates for testing. Just recently, he has heard
# of a new tool called gimmecert that can be used for issuing
# certificates in test environments that would make his life
# easier.
# John goes ahead and installs the tool on his local machine.
# Before moving on, John decides to quickly test if the package
# has been installed correctly. Assuming that the command is the
# same as package name, he runs it.
process = subprocess.Popen(["gimmecert"], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = process.communicate()
stdout, stderr = stdout.decode(), stderr.decode()
# John has a look at output, and notices that no error has been
# reported. He also verifies the return code is non-zero, just to
# be on the safe side.
assert stderr == ''
assert process.returncode == 0
def test_usage_help_shown():
# Since John feels a bit lazy, he decides to skip reading the
# documentation, and just run the tool to see if he gets any
# useful help.
process = subprocess.Popen(["gimmecert"], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = process.communicate()
stdout, stderr = stdout.decode(), stderr.decode()
# John is presented with short usage instructions.
assert "usage: gimmecert [-h]" in stdout
assert stderr == ''
assert process.returncode == 0
def test_extended_help_shown():
# John is still not quite sure how the tool works. Therefore he
# decides to try out the -h flag to the command.
process = subprocess.Popen(["gimmecert", "-h"], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = process.communicate()
stdout, stderr = stdout.decode(), stderr.decode()
# In doing so, John is presented with much more extensive
# instructions that provide him with better idea on how to use the
# tool.
assert stderr == ''
assert process.returncode == 0
assert "usage: gimmecert [-h]" in stdout
assert "Examples:" in stdout
assert "optional arguments" in stdout
# @TODO: Can't really test this without producing errors, but
# possibly not needed.
# assert "positional arguments" in stdout
# @TODO: Can't test at the moment, should be added once the first
# commands is implemented.
# assert "command1|command2" in stdout