Tests: CLI tests added

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Added
+- CLI tests
 ### Changed
 - Python typing features added to all modules
 - CLI functions moved to `cli.py`

test/cli_test.py

@@ -0,0 +1,90 @@
+# -*- coding: utf-8 -*-
+r"""
+>>> import os
+>>> import sys
+>>> import nava.cli as cli
+>>> from nava.cli import parse_args, run, main
+>>> from nava.params import NAVA_VERSION
+>>> test_sound_path = os.path.join("others", "test.wav")
+>>> # Test parse_args with no args
+>>> sys.argv = ['nava']
+>>> args = parse_args()
+>>> args.filename
+>>> args.file
+>>> args.loop
+False
+>>> args.version
+False
+>>> args.v
+False
+>>> # Test parse_args with filename
+>>> sys.argv = ['nava', 'test.wav']
+>>> args = parse_args()
+>>> args.filename
+'test.wav'
+>>> # Test parse_args with --file
+>>> sys.argv = ['nava', '--file', 'test.wav']
+>>> args = parse_args()
+>>> args.file
+'test.wav'
+>>> # Test parse_args with --version
+>>> sys.argv = ['nava', '--version']
+>>> args = parse_args()
+>>> args.version
+True
+>>> # Test parse_args with --loop
+>>> sys.argv = ['nava', '--loop', 'test.wav']
+>>> args = parse_args()
+>>> args.loop
+True
+>>> # Test main with --version
+>>> sys.argv = ['nava', '--version']
+>>> main()
+0.8
+>>> # Test main with no args (help)
+>>> sys.argv = ['nava']
+>>> main()
+ _   _                      
+| \ | |  __ _ __   __  __ _ 
+|  \| | / _` |\ \ / / / _` |
+| |\  || (_| | \ V / | (_| |
+|_| \_| \__,_|  \_/   \__,_|
+<BLANKLINE>
+<BLANKLINE>
+__     __     ___       ___  
+\ \   / / _  / _ \     ( _ ) 
+ \ \ / / (_)| | | |    / _ \ 
+  \ V /   _ | |_| | _ | (_) |
+   \_/   (_) \___/ (_) \___/ 
+<BLANKLINE>
+<BLANKLINE>
+<BLANKLINE>
+A Python library for playing sound everywhere natively and securely.
+<BLANKLINE>
+<BLANKLINE>
+Repo : https://github.com/openscilab/nava
+Webpage : https://openscilab.com/
+<BLANKLINE>
+
+>>> # Test main with invalid file
+>>> sys.argv = ['nava', 'nonexistent.wav']
+>>> main()
+Error: Given sound file doesn't exist.
+>>> # Test main with valid file (plays sound)
+>>> sys.argv = ['nava', test_sound_path]
+>>> main()
+>>> sys.argv = ['nava', '--file', test_sound_path]
+>>> main()
+>>> original_parse_args = cli.parse_args
+>>> def raise_keyboard_interrupt():
+...     raise KeyboardInterrupt
+>>> cli.parse_args = raise_keyboard_interrupt
+>>> try:
+...     cli.main()
+... except SystemExit as e:
+...     print("EXIT_CODE", e.code)
+... finally:
+...     cli.parse_args = original_parse_args
+See you. Bye!
+EXIT_CODE 1
+"""