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# Copyright (C) 2011 Lars Wirzenius
#
# This program 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 2 of the License, or
# (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import optparse
import os
import StringIO
import sys
import tempfile
import unittest
import cliapp
def devnull(msg):
pass
class ApplicationTests(unittest.TestCase):
def test_runcmd_executes_true(self):
self.assertEqual(cliapp.runcmd(['true']), '')
def test_runcmd_raises_error_on_failure(self):
self.assertRaises(cliapp.AppException, cliapp.runcmd, ['false'])
def test_runcmd_returns_stdout_of_command(self):
self.assertEqual(cliapp.runcmd(['echo', 'hello', 'world']),
'hello world\n')
def test_runcmd_returns_stderr_of_command(self):
exit, out, err = cliapp.runcmd_unchecked(['ls', 'notexist'])
self.assertNotEqual(exit, 0)
self.assertEqual(out, '')
self.assertNotEqual(err, '')
def test_runcmd_pipes_stdin_through_command(self):
self.assertEqual(cliapp.runcmd(['cat'], feed_stdin='hello, world'),
'hello, world')
def test_runcmd_pipes_stdin_through_two_commands(self):
self.assertEqual(cliapp.runcmd(
['cat'], ['cat'], feed_stdin='hello, world'),
'hello, world')
def test_runcmd_pipes_stdin_through_command_with_lots_of_data(self):
data = 'x' * (1024**2)
self.assertEqual(cliapp.runcmd(['cat'], feed_stdin=data), data)
def test_runcmd_ignores_failures_on_request(self):
self.assertEqual(cliapp.runcmd(['false'], ignore_fail=True), '')
def test_runcmd_obeys_cwd(self):
self.assertEqual(cliapp.runcmd(['pwd'], cwd='/'), '/\n')
def test_runcmd_unchecked_returns_values_on_success(self):
self.assertEqual(cliapp.runcmd_unchecked(['echo', 'foo']),
(0, 'foo\n', ''))
def test_runcmd_unchecked_returns_values_on_failure(self):
self.assertEqual(cliapp.runcmd_unchecked(['false']),
(1, '', ''))
def test_runcmd_unchecked_runs_simple_pipeline(self):
self.assertEqual(cliapp.runcmd_unchecked(
['echo', 'foo'], ['wc', '-c']),
(0, '4\n', ''))
def test_runcmd_unchecked_runs_longer_pipeline(self):
self.assertEqual(cliapp.runcmd_unchecked(['echo', 'foo'],
['cat'],
['wc', '-c']),
(0, '4\n', ''))
def test_runcmd_redirects_stdin_from_file(self):
fd, filename = tempfile.mkstemp()
os.write(fd, 'foobar')
os.lseek(fd, 0, os.SEEK_SET)
self.assertEqual(cliapp.runcmd_unchecked(['cat'], stdin=fd),
(0, 'foobar', ''))
os.close(fd)
def test_runcmd_redirects_stdout_to_file(self):
fd, filename = tempfile.mkstemp()
exit, out, err = cliapp.runcmd_unchecked(['echo', 'foo'], stdout=fd)
os.close(fd)
with open(filename) as f:
data = f.read()
self.assertEqual(exit, 0)
self.assertEqual(data, 'foo\n')
def test_runcmd_redirects_stderr_to_file(self):
fd, filename = tempfile.mkstemp()
exit, out, err = cliapp.runcmd_unchecked(['ls', 'notexist'], stderr=fd)
os.close(fd)
with open(filename) as f:
data = f.read()
self.assertNotEqual(exit, 0)
self.assertNotEqual(data, '')
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