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# coding=utf-8
"""
Unit/functional testing for readline tab-completion functions in the cmd2.py module.
These are primarily tests related to readline completer functions which handle tab-completion of cmd2/cmd commands,
file system paths, and shell commands.
Copyright 2017 Todd Leonhardt <todd.leonhardt@gmail.com>
Released under MIT license, see LICENSE file
"""
import os
import sys
import cmd2
import pytest
@pytest.fixture
def cmd2_app():
c = cmd2.Cmd()
return c
def test_cmd2_command_completion_single_end(cmd2_app):
text = 'he'
line = 'he'
begidx = 0
endidx = 2
# It is at end of line, so extra space is present
assert cmd2_app.completenames(text, line, begidx, endidx) == ['help ']
def test_cmd2_command_completion_single_mid(cmd2_app):
text = 'he'
line = 'he'
begidx = 0
endidx = 1
# It is not at end of line, so no extra space
assert cmd2_app.completenames(text, line, begidx, endidx) == ['help']
def test_cmd2_command_completion_multiple(cmd2_app):
text = 'h'
line = 'h'
begidx = 0
endidx = 1
# It is not at end of line, so no extra space
assert cmd2_app.completenames(text, line, begidx, endidx) == ['help', 'history']
def test_cmd2_command_completion_nomatch(cmd2_app):
text = 'z'
line = 'z'
begidx = 0
endidx = 1
assert cmd2_app.completenames(text, line, begidx, endidx) == []
def test_cmd2_help_completion_single_end(cmd2_app):
text = 'he'
line = 'help he'
begidx = 5
endidx = 7
# Even though it is at end of line, no extra space is present when tab completing a command name to get help on
assert cmd2_app.completenames(text, line, begidx, endidx) == ['help']
def test_cmd2_help_completion_single_mid(cmd2_app):
text = 'he'
line = 'help he'
begidx = 5
endidx = 6
assert cmd2_app.completenames(text, line, begidx, endidx) == ['help']
def test_cmd2_help_completion_multiple(cmd2_app):
text = 'h'
line = 'help h'
begidx = 5
endidx = 6
assert cmd2_app.completenames(text, line, begidx, endidx) == ['help', 'history']
def test_cmd2_help_completion_nomatch(cmd2_app):
text = 'z'
line = 'help z'
begidx = 5
endidx = 6
assert cmd2_app.completenames(text, line, begidx, endidx) == []
def test_shell_command_completion(cmd2_app):
if sys.platform == "win32":
text = 'calc'
line = 'shell calc'
begidx = 6
endidx = 10
assert cmd2_app.complete_shell(text, line, begidx, endidx) == ['calc.exe ']
else:
text = 'eg'
line = '!eg'
begidx = 1
endidx = 3
assert cmd2_app.complete_shell(text, line, begidx, endidx) == ['egrep ']
def test_shell_command_completion_multiple(cmd2_app):
if sys.platform == "win32":
text = 'c'
line = 'shell c'
begidx = 6
endidx = 7
assert 'calc.exe' in cmd2_app.complete_shell(text, line, begidx, endidx)
else:
text = 'l'
line = '!l'
begidx = 1
endidx = 2
assert 'ls' in cmd2_app.complete_shell(text, line, begidx, endidx)
def test_shell_command_completion_nomatch(cmd2_app):
text = 'zzzz'
line = 'shell zzzz'
begidx = 6
endidx = 10
assert cmd2_app.complete_shell(text, line, begidx, endidx) == []
def test_path_completion_single_end(cmd2_app, request):
test_dir = os.path.dirname(request.module.__file__)
text = 'c'
path = os.path.join(test_dir, text)
line = '!cat {}'.format(path)
endidx = len(line)
begidx = endidx - len(text)
assert cmd2_app.path_complete(text, line, begidx, endidx) == ['conftest.py ']
def test_path_completion_single_mid(cmd2_app, request):
test_dir = os.path.dirname(request.module.__file__)
text = 'tes'
path = os.path.join(test_dir, 'c')
line = '!cat {}'.format(path)
begidx = line.find(text)
endidx = begidx + len(text)
assert cmd2_app.path_complete(text, line, begidx, endidx) == ['tests' + os.path.sep]
def test_path_completion_multiple(cmd2_app, request):
test_dir = os.path.dirname(request.module.__file__)
text = 's'
path = os.path.join(test_dir, text)
line = '!cat {}'.format(path)
endidx = len(line)
begidx = endidx - len(text)
assert cmd2_app.path_complete(text, line, begidx, endidx) == ['script.py', 'script.txt']
def test_path_completion_nomatch(cmd2_app, request):
test_dir = os.path.dirname(request.module.__file__)
text = 'z'
path = os.path.join(test_dir, text)
line = '!cat {}'.format(path)
endidx = len(line)
begidx = endidx - len(text)
assert cmd2_app.path_complete(text, line, begidx, endidx) == []
def test_parseline_command_and_args(cmd2_app):
line = 'help history'
command, args, out_line = cmd2_app.parseline(line)
assert command == 'help'
assert args == 'history'
assert line == out_line
def test_parseline_emptyline(cmd2_app):
line = ''
command, args, out_line = cmd2_app.parseline(line)
assert command == None
assert args == None
assert line == out_line
def test_parseline_strips_line(cmd2_app):
line = ' help history '
command, args, out_line = cmd2_app.parseline(line)
assert command == 'help'
assert args == 'history'
assert line.strip() == out_line
def test_parseline_expands_shortcuts(cmd2_app):
line = '!cat foobar.txt'
command, args, out_line = cmd2_app.parseline(line)
assert command == 'shell'
assert args == 'cat foobar.txt'
assert line.replace('!', 'shell ') == out_line
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