def test_no_gem(mock_method):
mock_method.return_value = False
try:
installer = GemInstaller()
installer.get_install_command(['whatever'])
assert False, "should have raised"
except InstallFailed: pass
def test(mock_method, mock_is_gem_installed):
mock_is_gem_installed.return_value = True
installer = GemInstaller()
mock_method.return_value = []
assert [] == installer.get_install_command(['fake'])
# no interactive option with GEM
mock_method.return_value = ['a', 'b']
expected = [['sudo', '-H', 'gem', 'install', 'a'],
['sudo', '-H', 'gem', 'install', 'b']]
val = installer.get_install_command(['whatever'], interactive=False)
assert val == expected, val
expected = [['sudo', '-H', 'gem', 'install', 'a'],
['sudo', '-H', 'gem', 'install', 'b']]
val = installer.get_install_command(['whatever'], interactive=True)
assert val == expected, val
def test_GemInstaller_get_depends():
# make sure GemInstaller supports depends
from rosdep2.platforms.gem import GemInstaller
installer = GemInstaller()
assert ['foo'] == installer.get_depends(dict(depends=['foo']))
