gimmecert Changeset - d8ec591edb40

Changeset - d8ec591edb40

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Branko Majic (branko) - 6 years ago 2018-02-26 22:38:32
branko@majic.rs

GC-11: Added intial dummy CLI skeleton implementation:

- Register entry point in the package setup script.
- Implemented a very basic main function as entry point that
constructs an empty argument parser.
- Implemented functional test for testing if the CLI tool gets invoked
correctly after installation.
- Added unit tests for implemented functionality.

4 files changed with 143 insertions and 0 deletions:

functional_tests/test_help.py

gimmecert/cli.py

setup.py

tests/test_cli.py

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functional_tests/test_help.py

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@@ new file 100644 @@
 # -*- 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

gimmecert/cli.py

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@@ new file 100644 @@
 # -*- 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 argparse
 def get_parser():
     """
     Sets-up and returns a CLI argument parser.
     :returns: argparse.ArgumentParser -- argument parser for CLI.
     """
     parser = argparse.ArgumentParser()
     return parser
 def main():
     """
     This function is a CLI entry point for the tool. It is a thin
     wrapper around the argument parser, and underlying command
     implementation.
     """
     parser = get_parser()
     parser.parse_args()

setup.py

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@@ @@ -73,6 +73,9 @@ setup( @@
     setup_requires=setup_requirements,
     tests_require=test_requirements,
     extras_require=extras_requirements,
     entry_points = {
         'console_scripts': ['gimmecert=gimmecert.cli:main'],
     },
     classifiers=[
         'Development Status :: 1 - Planning',
         'Environment :: Console',

tests/test_cli.py

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@@ new file 100644 @@
 # -*- 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 argparse
 import gimmecert.cli
 from unittest import mock
 def test_get_parser_returns_parser():
     parser = gimmecert.cli.get_parser()
     assert isinstance(parser, argparse.ArgumentParser)
 @mock.patch('gimmecert.cli.get_parser')
 def test_main_invokes_get_parser(mock_get_parser):
     gimmecert.cli.main()
     mock_get_parser.assert_called_once_with()
 @mock.patch('gimmecert.cli.get_parser')
 def test_main_invokes_argument_parsing(mock_get_parser):
     mock_parser = mock.Mock()
     mock_get_parser.return_value = mock_parser
     gimmecert.cli.main()
     mock_parser.parse_args.assert_called_once_with()

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