pip/tests/functional/test_help.py

87 lines
2.4 KiB
Python

import pytest
from pip.exceptions import CommandError
from pip.baseparser import create_main_parser
from pip.basecommand import ERROR, SUCCESS
from pip.commands.help import HelpCommand
from pip.commands import commands
from mock import Mock
def test_run_method_should_return_sucess_when_finds_command_name():
"""
Test HelpCommand.run for existing command
"""
options_mock = Mock()
args = ('freeze',)
help_cmd = HelpCommand(create_main_parser())
status = help_cmd.run(options_mock, args)
assert status == SUCCESS
def test_run_method_should_return_sucess_when_command_name_not_specified():
"""
Test HelpCommand.run when there are no args
"""
options_mock = Mock()
args = ()
help_cmd = HelpCommand(create_main_parser())
status = help_cmd.run(options_mock, args)
assert status == SUCCESS
def test_run_method_should_raise_command_error_when_command_does_not_exist():
"""
Test HelpCommand.run for non-existing command
"""
options_mock = Mock()
args = ('mycommand',)
help_cmd = HelpCommand(create_main_parser())
with pytest.raises(CommandError):
help_cmd.run(options_mock, args)
def test_help_command_should_exit_status_ok_when_command_exists(script):
"""
Test `help` command for existing command
"""
result = script.pip('help', 'freeze')
assert result.returncode == SUCCESS
def test_help_command_should_exit_status_ok_when_no_cmd_is_specified(script):
"""
Test `help` command for no command
"""
result = script.pip('help')
assert result.returncode == SUCCESS
def test_help_command_should_exit_status_error_when_cmd_does_not_exist(script):
"""
Test `help` command for non-existing command
"""
result = script.pip('help', 'mycommand', expect_error=True)
assert result.returncode == ERROR
def test_help_commands_equally_functional(script):
"""
Test if `pip help` and 'pip --help' behave the same way.
"""
results = list(map(script.pip, ('help', '--help')))
results.append(script.pip())
out = map(lambda x: x.stdout, results)
ret = map(lambda x: x.returncode, results)
msg = '"pip --help" != "pip help" != "pip"'
assert len(set(out)) == 1, 'output of: ' + msg
assert sum(ret) == 0, 'exit codes of: ' + msg
for name, cls in commands.items():
if cls.hidden: continue
assert script.pip('help', name).stdout == \
script.pip(name, '--help').stdout