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# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
try:
from StringIO import StringIO
except:
from io import StringIO
import os
import sys
import mock
from cliff import app as application
from cliff import commandmanager
from cliff import help
from cliff.tests import utils
def test_show_help_for_command():
# FIXME(dhellmann): Are commands tied too closely to the app? Or
# do commands know too much about apps by using them to get to the
# command manager?
stdout = StringIO()
app = application.App('testing', '1',
utils.TestCommandManager(utils.TEST_NAMESPACE),
stdout=stdout)
app.NAME = 'test'
help_cmd = help.HelpCommand(app, mock.Mock())
parser = help_cmd.get_parser('test')
parsed_args = parser.parse_args(['one'])
try:
help_cmd.run(parsed_args)
except SystemExit:
pass
assert stdout.getvalue() == 'TestParser'
def test_list_matching_commands():
# FIXME(dhellmann): Are commands tied too closely to the app? Or
# do commands know too much about apps by using them to get to the
# command manager?
stdout = StringIO()
app = application.App('testing', '1',
utils.TestCommandManager(utils.TEST_NAMESPACE),
stdout=stdout)
app.NAME = 'test'
help_cmd = help.HelpCommand(app, mock.Mock())
parser = help_cmd.get_parser('test')
parsed_args = parser.parse_args(['t'])
try:
help_cmd.run(parsed_args)
except SystemExit:
pass
help_output = stdout.getvalue()
assert 'Command "t" matches:' in help_output
assert 'three word command\n two words\n' in help_output
def test_list_matching_commands_no_match():
# FIXME(dhellmann): Are commands tied too closely to the app? Or
# do commands know too much about apps by using them to get to the
# command manager?
stdout = StringIO()
app = application.App('testing', '1',
utils.TestCommandManager(utils.TEST_NAMESPACE),
stdout=stdout)
app.NAME = 'test'
help_cmd = help.HelpCommand(app, mock.Mock())
parser = help_cmd.get_parser('test')
parsed_args = parser.parse_args(['z'])
try:
help_cmd.run(parsed_args)
except SystemExit:
pass
except ValueError:
pass
else:
assert False, 'Should have seen a ValueError'
def test_show_help_for_help():
# FIXME(dhellmann): Are commands tied too closely to the app? Or
# do commands know too much about apps by using them to get to the
# command manager?
stdout = StringIO()
app = application.App('testing', '1',
utils.TestCommandManager(utils.TEST_NAMESPACE),
stdout=stdout)
app.NAME = 'test'
app.options = mock.Mock()
help_cmd = help.HelpCommand(app, mock.Mock())
parser = help_cmd.get_parser('test')
parsed_args = parser.parse_args([])
try:
help_cmd.run(parsed_args)
except SystemExit:
pass
help_text = stdout.getvalue()
basecommand = os.path.split(sys.argv[0])[1]
assert 'usage: %s [--version]' % basecommand in help_text
assert 'optional arguments:\n --version' in help_text
expected = (
' one Test command.\n'
' three word command Test command.\n'
)
assert expected in help_text
def test_list_deprecated_commands():
# FIXME(dhellmann): Are commands tied too closely to the app? Or
# do commands know too much about apps by using them to get to the
# command manager?
stdout = StringIO()
app = application.App('testing', '1',
utils.TestCommandManager(utils.TEST_NAMESPACE),
stdout=stdout)
app.NAME = 'test'
try:
app.run(['--help'])
except SystemExit:
pass
help_output = stdout.getvalue()
assert 'two words' in help_output
assert 'three word command' in help_output
assert 'old cmd' not in help_output
@mock.patch.object(commandmanager.EntryPointWrapper, 'load',
side_effect=Exception('Could not load EntryPoint'))
def test_show_help_with_ep_load_fail(mock_load):
stdout = StringIO()
app = application.App('testing', '1',
utils.TestCommandManager(utils.TEST_NAMESPACE),
stdout=stdout)
app.NAME = 'test'
app.options = mock.Mock()
app.options.debug = False
help_cmd = help.HelpCommand(app, mock.Mock())
parser = help_cmd.get_parser('test')
parsed_args = parser.parse_args([])
try:
help_cmd.run(parsed_args)
except SystemExit:
pass
help_output = stdout.getvalue()
assert 'Commands:' in help_output
assert 'Could not load' in help_output
assert 'Exception: Could not load EntryPoint' not in help_output
@mock.patch.object(commandmanager.EntryPointWrapper, 'load',
side_effect=Exception('Could not load EntryPoint'))
def test_show_help_print_exc_with_ep_load_fail(mock_load):
stdout = StringIO()
app = application.App('testing', '1',
utils.TestCommandManager(utils.TEST_NAMESPACE),
stdout=stdout)
app.NAME = 'test'
app.options = mock.Mock()
app.options.debug = True
help_cmd = help.HelpCommand(app, mock.Mock())
parser = help_cmd.get_parser('test')
parsed_args = parser.parse_args([])
try:
help_cmd.run(parsed_args)
except SystemExit:
pass
help_output = stdout.getvalue()
assert 'Commands:' in help_output
assert 'Could not load' in help_output
assert 'Exception: Could not load EntryPoint' in help_output
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