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import os
import sys
from cmd import Cmd
import click
from click_shell._cmd import ClickCmd
from click_shell._compat import PY2
if PY2:
from StringIO import StringIO
else:
from io import StringIO
class BadStringIO(StringIO, object):
def __init__(self, *args, **kwargs):
super(BadStringIO, self).__init__(*args, **kwargs)
self.first = True
def read(self, *args, **kwargs):
if self.first:
self.first = False
raise KeyboardInterrupt()
return super(BadStringIO, self).read(*args, **kwargs)
def readline(self, *args, **kwargs):
if self.first:
self.first = False
raise KeyboardInterrupt()
return super(BadStringIO, self).readline(*args, **kwargs)
def test_create():
cmd = ClickCmd()
# Make sure it's a Cmd
assert isinstance(cmd, Cmd)
# Make sure it's a new-style class
assert isinstance(cmd, object)
# Make sure we have our exit functions
assert hasattr(cmd, 'do_quit')
assert hasattr(cmd, 'do_exit')
def test_intro_default(cli_runner):
with cli_runner.isolation() as outstreams:
cmd = ClickCmd(hist_file='.history')
cmd.cmdloop()
output = outstreams[0].getvalue() \
.decode(cli_runner.charset, 'replace').replace('\r\n', '\n')
assert output == '(Cmd) \n'
os.remove('.history')
def test_intro_custom(cli_runner):
for test_in in ('foo', 'bar', 'blah\n version 2'):
with cli_runner.isolation() as outstreams:
cmd = ClickCmd(hist_file='.history')
cmd.cmdloop(test_in)
output = outstreams[0].getvalue() \
.decode(cli_runner.charset, 'replace').replace('\r\n', '\n')
assert output == '{0}\n(Cmd) \n'.format(test_in)
os.remove('.history')
def test_prompt(cli_runner):
with cli_runner.isolation() as outstreams:
cmd = ClickCmd(hist_file='.history')
cmd.prompt = 'foobar > '
cmd.cmdloop()
output = outstreams[0].getvalue() \
.decode(cli_runner.charset, 'replace').replace('\r\n', '\n')
assert output == 'foobar > \n'
os.remove('.history')
def test_bad_input(cli_runner):
with cli_runner.isolation(input='foobar\n') as outstreams:
cmd = ClickCmd(hist_file='.history')
cmd.cmdloop()
output = outstreams[0].getvalue() \
.decode(cli_runner.charset, 'replace').replace('\r\n', '\n')
assert output == '{0}{1}\n{0}\n'.format(ClickCmd.prompt,
ClickCmd.nocommand % 'foobar')
os.remove('.history')
def test_empty_input(cli_runner):
with cli_runner.isolation(input='\n') as outstreams:
cmd = ClickCmd(hist_file='.history')
cmd.cmdloop()
output = outstreams[0].getvalue() \
.decode(cli_runner.charset, 'replace').replace('\r\n', '\n')
assert output == '{0}{0}\n'.format(ClickCmd.prompt)
os.remove('.history')
def test_quit(cli_runner):
with cli_runner.isolation(input='quit\n') as outstreams:
cmd = ClickCmd(hist_file='.history')
cmd.cmdloop()
output = outstreams[0].getvalue() \
.decode(cli_runner.charset, 'replace').replace('\r\n', '\n')
assert output == ClickCmd.prompt
os.remove('.history')
def test_exit(cli_runner):
with cli_runner.isolation(input='exit\n') as outstreams:
cmd = ClickCmd(hist_file='.history')
cmd.cmdloop()
output = outstreams[0].getvalue() \
.decode(cli_runner.charset, 'replace').replace('\r\n', '\n')
assert output == ClickCmd.prompt
os.remove('.history')
def test_on_finished(cli_runner):
with cli_runner.isolation() as outstreams:
def finisher(c):
click.echo(c + '#finished')
cmd = ClickCmd(ctx='dummy-ctx', hist_file='.history', on_finished=finisher)
cmd.cmdloop()
output = outstreams[0].getvalue() \
.decode(cli_runner.charset, 'replace').replace('\r\n', '\n')
assert output == ClickCmd.prompt + '\ndummy-ctx#finished\n'
os.remove('.history')
def test_help(cli_runner):
with cli_runner.isolation(input='help\n') as outstreams:
cmd = ClickCmd(hist_file='.history')
cmd.cmdloop()
output = outstreams[0].getvalue() \
.decode(cli_runner.charset, 'replace').replace('\r\n', '\n')
assert output == '{0}\n' \
'Undocumented commands:\n' \
'======================\n' \
'exit help quit\n' \
'\n' \
'{0}\n'.format(ClickCmd.prompt)
os.remove('.history')
def test_keyboard_interrupt():
stdin = BadStringIO()
stdout = StringIO()
old_in = sys.stdin
old_out = sys.stdout
try:
sys.stdin = stdin
sys.stdout = stdout
cmd = ClickCmd(hist_file='.history')
cmd.cmdloop()
finally:
sys.stdin = old_in
sys.stdout = old_out
assert stdout.getvalue() == '{0}\nKeyboardInterrupt\n{0}\n'.format(ClickCmd.prompt)
os.remove('.history')
def test_changable_prompt(cli_runner):
with cli_runner.isolation(input='\n\n\n') as outstreams:
cmd = ClickCmd(hist_file='.history')
class Prompt(object):
def __init__(self):
self.num = 0
def __call__(self):
self.num += 1
return "prompt #{} > ".format(self.num)
cmd.prompt = Prompt()
cmd.cmdloop()
output = outstreams[0].getvalue() \
.decode(cli_runner.charset, 'replace').replace('\r\n', '\n')
assert output == 'prompt #1 > prompt #2 > prompt #3 > prompt #4 > \n'
os.remove('.history')
|
