def test_missing_version_cli(self):
"""
get_executable() fails if version_cli is None.
"""
filename = self._write_executable("spam")
with self.assertRaises(ValueError):
get_executable(filename, None, "/tmp")
def test_missing_cfgdir(self):
"""
get_executable() fails if cfgdir is None or empty.
"""
with self.assertRaises(ValueError):
get_executable("spam", self.CLI, None)
with self.assertRaises(ValueError):
get_executable("spam", self.CLI, "")
def test_missing_filename(self):
"""
get_executable() fails if filename is None or empty.
"""
with self.assertRaises(ValueError):
get_executable("", self.CLI, "/tmp")
with self.assertRaises(ValueError):
get_executable(None, self.CLI, "/tmp")
def test_missing_version_cli(self):
class cli(object):
CFGDIR_ENVVAR = "JUJU_HOME"
exe = get_executable("juju", cli, "/tmp")
with self.assertRaises(ValueError):
CLI(exe, None)
def test_minimal(self):
"""
get_executable() works when given minimal args.
"""
exe = get_executable("spam", self.CLI, "/tmp")
self.assertEqual(exe.filename, "spam")
self.assertEqual(exe.envvars["JUJU_HOME"], "/tmp")
self.assertNotEqual(exe.envvars, {"JUJU_HOME": "/tmp"})
def test_relative_filename(self):
"""
get_executable() searches for the executable if the provided
filename is relative.
"""
filename = self._write_executable("spam")
os.environ["PATH"] = self.dirname
exe = get_executable("spam", self.CLI, "/tmp")
self.assertEqual(exe.filename, filename)
def test_full(self):
"""
get_executable() works when all args are provided.
"""
exe = get_executable("spam", self.CLI, "/tmp", {"SPAM": "eggs"})
self.assertEqual(
exe,
_utils.Executable("spam", {
"SPAM": "eggs",
"JUJU_HOME": "/tmp"
}))
def test_missing_version_cli(self):
"""
get_executable() fails if version_cli is None.
"""
with self.assertRaises(ValueError):
get_executable("spam", None, "/tmp")
