def test_basic(self):
helper = CommandLineHelper({}, ["cmd", "--foo", "--bar"])
self.assertEquals(["--foo", "--bar"], list(helper))
helper.add("--enable-qux")
self.assertEquals(["--foo", "--bar", "--enable-qux"], list(helper))
value, option = helper.handle(Option("--bar"))
self.assertEquals(["--foo", "--enable-qux"], list(helper))
self.assertEquals(PositiveOptionValue(), value)
self.assertEquals("--bar", option)
value, option = helper.handle(Option("--baz"))
self.assertEquals(["--foo", "--enable-qux"], list(helper))
self.assertEquals(NegativeOptionValue(), value)
self.assertEquals(None, option)
with self.assertRaises(AssertionError):
CommandLineHelper({}, ["--foo", "--bar"])
def test_basic(self):
helper = CommandLineHelper({}, ['cmd', '--foo', '--bar'])
self.assertEquals(['--foo', '--bar'], list(helper))
helper.add('--enable-qux')
self.assertEquals(['--foo', '--bar', '--enable-qux'], list(helper))
value, option = helper.handle(Option('--bar'))
self.assertEquals(['--foo', '--enable-qux'], list(helper))
self.assertEquals(PositiveOptionValue(), value)
self.assertEquals('--bar', option)
value, option = helper.handle(Option('--baz'))
self.assertEquals(['--foo', '--enable-qux'], list(helper))
self.assertEquals(NegativeOptionValue(), value)
self.assertEquals(None, option)
with self.assertRaises(AssertionError):
CommandLineHelper({}, ['--foo', '--bar'])
def __init__(self,
config,
environ=os.environ,
argv=sys.argv,
stdout=sys.stdout,
stderr=sys.stderr):
dict.__setitem__(self, '__builtins__', self.BUILTINS)
self._paths = []
self._templates = set()
# Store the real function and its dependencies, behind each
# DummyFunction generated from @depends.
self._depends = {}
self._seen = set()
self._options = OrderedDict()
# Store the raw values returned by @depends functions
self._results = {}
# Store values for each Option, as per returned by Option.get_value
self._option_values = {}
# Store raw option (as per command line or environment) for each Option
self._raw_options = {}
# Store options added with `imply_option`, and the reason they were
# added (which can either have been given to `imply_option`, or
# inferred.
self._implied_options = {}
# Store all results from _prepare_function
self._prepared_functions = set()
self._helper = CommandLineHelper(environ, argv)
assert isinstance(config, dict)
self._config, self._stdout, self._stderr = config, stdout, stderr
self._help = None
self._help_option = self.option_impl('--help',
help='print this message')
self._seen.add(self._help_option)
# self._option_impl('--help') will have set this if --help was on the
# command line.
if self._option_values[self._help_option]:
self._help = HelpFormatter(argv[0])
self._help.add(self._help_option)
def test_possible_origins(self):
with self.assertRaises(InvalidOptionError):
Option('--foo', possible_origins='command-line')
helper = CommandLineHelper({'BAZ': '1'}, ['cmd', '--foo', '--bar'])
foo = Option('--foo',
possible_origins=('command-line',))
value, option = helper.handle(foo)
self.assertEquals(PositiveOptionValue(), value)
self.assertEquals('command-line', value.origin)
self.assertEquals('--foo', option)
bar = Option('--bar',
possible_origins=('mozconfig',))
with self.assertRaisesRegexp(InvalidOptionError,
"--bar can not be set by command-line. Values are accepted from: mozconfig"):
helper.handle(bar)
baz = Option(env='BAZ',
possible_origins=('implied',))
with self.assertRaisesRegexp(InvalidOptionError,
"BAZ=1 can not be set by environment. Values are accepted from: implied"):
helper.handle(baz)
def test_possible_origins(self):
with self.assertRaises(InvalidOptionError):
Option("--foo", possible_origins="command-line")
helper = CommandLineHelper({"BAZ": "1"}, ["cmd", "--foo", "--bar"])
foo = Option("--foo", possible_origins=("command-line",))
value, option = helper.handle(foo)
self.assertEquals(PositiveOptionValue(), value)
self.assertEquals("command-line", value.origin)
self.assertEquals("--foo", option)
bar = Option("--bar", possible_origins=("mozconfig",))
with self.assertRaisesRegexp(
InvalidOptionError,
"--bar can not be set by command-line. Values are accepted from: mozconfig",
):
helper.handle(bar)
baz = Option(env="BAZ", possible_origins=("implied",))
with self.assertRaisesRegexp(
InvalidOptionError,
"BAZ=1 can not be set by environment. Values are accepted from: implied",
):
helper.handle(baz)
def __init__(self, config, environ=os.environ, argv=sys.argv,
stdout=sys.stdout, stderr=sys.stderr, logger=None):
dict.__setitem__(self, '__builtins__', self.BUILTINS)
self._environ = dict(environ)
self._paths = []
self._all_paths = set()
self._templates = set()
# Associate SandboxDependsFunctions to DependsFunctions.
self._depends = OrderedDict()
self._seen = set()
# Store the @imports added to a given function.
self._imports = {}
self._options = OrderedDict()
# Store raw option (as per command line or environment) for each Option
self._raw_options = OrderedDict()
# Store options added with `imply_option`, and the reason they were
# added (which can either have been given to `imply_option`, or
# inferred. Their order matters, so use a list.
self._implied_options = []
# Store all results from _prepare_function
self._prepared_functions = set()
# Queue of functions to execute, with their arguments
self._execution_queue = []
# Store the `when`s associated to some options.
self._conditions = {}
# A list of conditions to apply as a default `when` for every *_impl()
self._default_conditions = []
self._helper = CommandLineHelper(environ, argv)
assert isinstance(config, dict)
self._config = config
# Tracks how many templates "deep" we are in the stack.
self._template_depth = 0
logging.addLevelName(TRACE, 'TRACE')
if logger is None:
logger = moz_logger = logging.getLogger('moz.configure')
logger.setLevel(logging.DEBUG)
formatter = logging.Formatter('%(levelname)s: %(message)s')
handler = ConfigureOutputHandler(stdout, stderr)
handler.setFormatter(formatter)
queue_debug = handler.queue_debug
logger.addHandler(handler)
else:
assert isinstance(logger, logging.Logger)
moz_logger = None
@contextmanager
def queue_debug():
yield
self._logger = logger
# Some callers will manage to log a bytestring with characters in it
# that can't be converted to ascii. Make our log methods robust to this
# by detecting the encoding that a producer is likely to have used.
encoding = getpreferredencoding()
def wrapped_log_method(logger, key):
method = getattr(logger, key)
def wrapped(*args, **kwargs):
out_args = [
six.ensure_text(arg, encoding=encoding or 'utf-8')
if isinstance(arg, six.binary_type) else arg for arg in args
]
return method(*out_args, **kwargs)
return wrapped
log_namespace = {
k: wrapped_log_method(logger, k)
for k in ('debug', 'info', 'warning', 'error')
}
log_namespace['queue_debug'] = queue_debug
self.log_impl = ReadOnlyNamespace(**log_namespace)
self._help = None
self._help_option = self.option_impl(
'--help', help='print this message', category=HELP_OPTIONS_CATEGORY)
self._seen.add(self._help_option)
self._always = DependsFunction(self, lambda: True, [])
self._never = DependsFunction(self, lambda: False, [])
if self._value_for(self._help_option):
self._help = HelpFormatter(argv[0])
self._help.add(self._help_option)
elif moz_logger:
handler = logging.FileHandler('config.log', mode='w', delay=True,
encoding='utf-8')
handler.setFormatter(formatter)
logger.addHandler(handler)
def __init__(self,
config,
environ=os.environ,
argv=sys.argv,
stdout=sys.stdout,
stderr=sys.stderr,
logger=None):
dict.__setitem__(self, '__builtins__', self.BUILTINS)
self._paths = []
self._templates = set()
# Store the real function and its dependencies, behind each
# DependsFunction generated from @depends.
self._depends = {}
self._seen = set()
# Store the @imports added to a given function.
self._imports = {}
self._options = OrderedDict()
# Store the raw values returned by @depends functions
self._results = {}
# Store values for each Option, as per returned by Option.get_value
self._option_values = {}
# Store raw option (as per command line or environment) for each Option
self._raw_options = {}
# Store options added with `imply_option`, and the reason they were
# added (which can either have been given to `imply_option`, or
# inferred.
self._implied_options = {}
# Store all results from _prepare_function
self._prepared_functions = set()
self._helper = CommandLineHelper(environ, argv)
assert isinstance(config, dict)
self._config = config
if logger is None:
logger = moz_logger = logging.getLogger('moz.configure')
logger.setLevel(logging.DEBUG)
formatter = logging.Formatter('%(levelname)s: %(message)s')
handler = ConfigureOutputHandler(stdout, stderr)
handler.setFormatter(formatter)
queue_debug = handler.queue_debug
logger.addHandler(handler)
else:
assert isinstance(logger, logging.Logger)
moz_logger = None
@contextmanager
def queue_debug():
yield
log_namespace = {
k: getattr(logger, k)
for k in ('debug', 'info', 'warning', 'error')
}
log_namespace['queue_debug'] = queue_debug
self.log_impl = ReadOnlyNamespace(**log_namespace)
self._help = None
self._help_option = self.option_impl('--help',
help='print this message')
self._seen.add(self._help_option)
# self._option_impl('--help') will have set this if --help was on the
# command line.
if self._option_values[self._help_option]:
self._help = HelpFormatter(argv[0])
self._help.add(self._help_option)
elif moz_logger:
handler = logging.FileHandler('config.log', mode='w', delay=True)
handler.setFormatter(formatter)
logger.addHandler(handler)
def test_extra_args(self):
foo = Option('--with-foo', env='FOO', nargs='*')
helper = CommandLineHelper({}, ['cmd'])
helper.add('FOO=a,b,c', 'other-origin')
value, option = helper.handle(foo)
self.assertEquals(PositiveOptionValue(('a', 'b', 'c')), value)
self.assertEquals('other-origin', value.origin)
self.assertEquals('FOO=a,b,c', option)
helper = CommandLineHelper({}, ['cmd'])
helper.add('FOO=a,b,c', 'other-origin')
helper.add('--with-foo=a,b,c', 'other-origin')
value, option = helper.handle(foo)
self.assertEquals(PositiveOptionValue(('a', 'b', 'c')), value)
self.assertEquals('other-origin', value.origin)
self.assertEquals('--with-foo=a,b,c', option)
# Adding conflicting options is not allowed.
helper = CommandLineHelper({}, ['cmd'])
helper.add('FOO=a,b,c', 'other-origin')
with self.assertRaises(ConflictingOptionError) as cm:
helper.add('FOO=', 'other-origin')
self.assertEqual('FOO=', cm.exception.arg)
self.assertEqual('other-origin', cm.exception.origin)
self.assertEqual('FOO=a,b,c', cm.exception.old_arg)
self.assertEqual('other-origin', cm.exception.old_origin)
with self.assertRaises(ConflictingOptionError) as cm:
helper.add('FOO=a,b', 'other-origin')
self.assertEqual('FOO=a,b', cm.exception.arg)
self.assertEqual('other-origin', cm.exception.origin)
self.assertEqual('FOO=a,b,c', cm.exception.old_arg)
self.assertEqual('other-origin', cm.exception.old_origin)
# But adding the same is allowed.
helper.add('FOO=a,b,c', 'other-origin')
value, option = helper.handle(foo)
self.assertEquals(PositiveOptionValue(('a', 'b', 'c')), value)
self.assertEquals('other-origin', value.origin)
self.assertEquals('FOO=a,b,c', option)
# The same rule as above applies when using the option form vs. the
# variable form. But we can't detect it when .add is called.
helper = CommandLineHelper({}, ['cmd'])
helper.add('FOO=a,b,c', 'other-origin')
helper.add('--without-foo', 'other-origin')
with self.assertRaises(ConflictingOptionError) as cm:
helper.handle(foo)
self.assertEqual('--without-foo', cm.exception.arg)
self.assertEqual('other-origin', cm.exception.origin)
self.assertEqual('FOO=a,b,c', cm.exception.old_arg)
self.assertEqual('other-origin', cm.exception.old_origin)
helper = CommandLineHelper({}, ['cmd'])
helper.add('FOO=a,b,c', 'other-origin')
helper.add('--with-foo=a,b', 'other-origin')
with self.assertRaises(ConflictingOptionError) as cm:
helper.handle(foo)
self.assertEqual('--with-foo=a,b', cm.exception.arg)
self.assertEqual('other-origin', cm.exception.origin)
self.assertEqual('FOO=a,b,c', cm.exception.old_arg)
self.assertEqual('other-origin', cm.exception.old_origin)
helper = CommandLineHelper({}, ['cmd'])
helper.add('FOO=a,b,c', 'other-origin')
helper.add('--with-foo=a,b,c', 'other-origin')
value, option = helper.handle(foo)
self.assertEquals(PositiveOptionValue(('a', 'b', 'c')), value)
self.assertEquals('other-origin', value.origin)
self.assertEquals('--with-foo=a,b,c', option)
# Conflicts are also not allowed against what is in the
# environment/on the command line.
helper = CommandLineHelper({}, ['cmd', '--with-foo=a,b'])
helper.add('FOO=a,b,c', 'other-origin')
with self.assertRaises(ConflictingOptionError) as cm:
helper.handle(foo)
self.assertEqual('FOO=a,b,c', cm.exception.arg)
self.assertEqual('other-origin', cm.exception.origin)
self.assertEqual('--with-foo=a,b', cm.exception.old_arg)
self.assertEqual('command-line', cm.exception.old_origin)
helper = CommandLineHelper({}, ['cmd', '--with-foo=a,b'])
helper.add('--without-foo', 'other-origin')
with self.assertRaises(ConflictingOptionError) as cm:
helper.handle(foo)
self.assertEqual('--without-foo', cm.exception.arg)
self.assertEqual('other-origin', cm.exception.origin)
self.assertEqual('--with-foo=a,b', cm.exception.old_arg)
self.assertEqual('command-line', cm.exception.old_origin)
def test_precedence(self):
foo = Option('--with-foo', nargs='*')
helper = CommandLineHelper({}, ['cmd', '--with-foo=a,b'])
value, option = helper.handle(foo)
self.assertEquals(PositiveOptionValue(('a', 'b')), value)
self.assertEquals('command-line', value.origin)
self.assertEquals('--with-foo=a,b', option)
helper = CommandLineHelper({},
['cmd', '--with-foo=a,b', '--without-foo'])
value, option = helper.handle(foo)
self.assertEquals(NegativeOptionValue(), value)
self.assertEquals('command-line', value.origin)
self.assertEquals('--without-foo', option)
helper = CommandLineHelper({},
['cmd', '--without-foo', '--with-foo=a,b'])
value, option = helper.handle(foo)
self.assertEquals(PositiveOptionValue(('a', 'b')), value)
self.assertEquals('command-line', value.origin)
self.assertEquals('--with-foo=a,b', option)
foo = Option('--with-foo', env='FOO', nargs='*')
helper = CommandLineHelper({'FOO': ''}, ['cmd', '--with-foo=a,b'])
value, option = helper.handle(foo)
self.assertEquals(PositiveOptionValue(('a', 'b')), value)
self.assertEquals('command-line', value.origin)
self.assertEquals('--with-foo=a,b', option)
helper = CommandLineHelper({'FOO': 'a,b'}, ['cmd', '--without-foo'])
value, option = helper.handle(foo)
self.assertEquals(NegativeOptionValue(), value)
self.assertEquals('command-line', value.origin)
self.assertEquals('--without-foo', option)
helper = CommandLineHelper({'FOO': ''}, ['cmd', '--with-bar=a,b'])
value, option = helper.handle(foo)
self.assertEquals(NegativeOptionValue(), value)
self.assertEquals('environment', value.origin)
self.assertEquals('FOO=', option)
helper = CommandLineHelper({'FOO': 'a,b'}, ['cmd', '--without-bar'])
value, option = helper.handle(foo)
self.assertEquals(PositiveOptionValue(('a', 'b')), value)
self.assertEquals('environment', value.origin)
self.assertEquals('FOO=a,b', option)
helper = CommandLineHelper({}, ['cmd', '--with-foo=a,b', 'FOO='])
value, option = helper.handle(foo)
self.assertEquals(NegativeOptionValue(), value)
self.assertEquals('command-line', value.origin)
self.assertEquals('FOO=', option)
helper = CommandLineHelper({}, ['cmd', '--without-foo', 'FOO=a,b'])
value, option = helper.handle(foo)
self.assertEquals(PositiveOptionValue(('a', 'b')), value)
self.assertEquals('command-line', value.origin)
self.assertEquals('FOO=a,b', option)
helper = CommandLineHelper({}, ['cmd', 'FOO=', '--with-foo=a,b'])
value, option = helper.handle(foo)
self.assertEquals(PositiveOptionValue(('a', 'b')), value)
self.assertEquals('command-line', value.origin)
self.assertEquals('--with-foo=a,b', option)
helper = CommandLineHelper({}, ['cmd', 'FOO=a,b', '--without-foo'])
value, option = helper.handle(foo)
self.assertEquals(NegativeOptionValue(), value)
self.assertEquals('command-line', value.origin)
self.assertEquals('--without-foo', option)
def __init__(self, config, environ=os.environ, argv=sys.argv,
stdout=sys.stdout, stderr=sys.stderr, logger=None):
dict.__setitem__(self, '__builtins__', self.BUILTINS)
self._paths = []
self._all_paths = set()
self._templates = set()
# Store the real function and its dependencies, behind each
# DependsFunction generated from @depends.
self._depends = {}
self._seen = set()
# Store the @imports added to a given function.
self._imports = {}
self._options = OrderedDict()
# Store raw option (as per command line or environment) for each Option
self._raw_options = OrderedDict()
# Store options added with `imply_option`, and the reason they were
# added (which can either have been given to `imply_option`, or
# inferred. Their order matters, so use a list.
self._implied_options = []
# Store all results from _prepare_function
self._prepared_functions = set()
# Queue of functions to execute, with their arguments
self._execution_queue = []
self._helper = CommandLineHelper(environ, argv)
assert isinstance(config, dict)
self._config = config
if logger is None:
logger = moz_logger = logging.getLogger('moz.configure')
logger.setLevel(logging.DEBUG)
formatter = logging.Formatter('%(levelname)s: %(message)s')
handler = ConfigureOutputHandler(stdout, stderr)
handler.setFormatter(formatter)
queue_debug = handler.queue_debug
logger.addHandler(handler)
else:
assert isinstance(logger, logging.Logger)
moz_logger = None
@contextmanager
def queue_debug():
yield
# Some callers will manage to log a bytestring with characters in it
# that can't be converted to ascii. Make our log methods robust to this
# by detecting the encoding that a producer is likely to have used.
encoding = getpreferredencoding()
def wrapped_log_method(logger, key):
method = getattr(logger, key)
if not encoding:
return method
def wrapped(*args, **kwargs):
out_args = [
arg.decode(encoding) if isinstance(arg, str) else arg
for arg in args
]
return method(*out_args, **kwargs)
return wrapped
log_namespace = {
k: wrapped_log_method(logger, k)
for k in ('debug', 'info', 'warning', 'error')
}
log_namespace['queue_debug'] = queue_debug
self.log_impl = ReadOnlyNamespace(**log_namespace)
self._help = None
self._help_option = self.option_impl('--help',
help='print this message')
self._seen.add(self._help_option)
if self._value_for(self._help_option):
self._help = HelpFormatter(argv[0])
self._help.add(self._help_option)
elif moz_logger:
handler = logging.FileHandler('config.log', mode='w', delay=True)
handler.setFormatter(formatter)
logger.addHandler(handler)
def test_extra_args(self):
foo = Option("--with-foo", env="FOO", nargs="*")
helper = CommandLineHelper({}, ["cmd"])
helper.add("FOO=a,b,c", "other-origin")
value, option = helper.handle(foo)
self.assertEquals(PositiveOptionValue(("a", "b", "c")), value)
self.assertEquals("other-origin", value.origin)
self.assertEquals("FOO=a,b,c", option)
helper = CommandLineHelper({}, ["cmd"])
helper.add("FOO=a,b,c", "other-origin")
helper.add("--with-foo=a,b,c", "other-origin")
value, option = helper.handle(foo)
self.assertEquals(PositiveOptionValue(("a", "b", "c")), value)
self.assertEquals("other-origin", value.origin)
self.assertEquals("--with-foo=a,b,c", option)
# Adding conflicting options is not allowed.
helper = CommandLineHelper({}, ["cmd"])
helper.add("FOO=a,b,c", "other-origin")
with self.assertRaises(ConflictingOptionError) as cm:
helper.add("FOO=", "other-origin")
self.assertEqual("FOO=", cm.exception.arg)
self.assertEqual("other-origin", cm.exception.origin)
self.assertEqual("FOO=a,b,c", cm.exception.old_arg)
self.assertEqual("other-origin", cm.exception.old_origin)
with self.assertRaises(ConflictingOptionError) as cm:
helper.add("FOO=a,b", "other-origin")
self.assertEqual("FOO=a,b", cm.exception.arg)
self.assertEqual("other-origin", cm.exception.origin)
self.assertEqual("FOO=a,b,c", cm.exception.old_arg)
self.assertEqual("other-origin", cm.exception.old_origin)
# But adding the same is allowed.
helper.add("FOO=a,b,c", "other-origin")
value, option = helper.handle(foo)
self.assertEquals(PositiveOptionValue(("a", "b", "c")), value)
self.assertEquals("other-origin", value.origin)
self.assertEquals("FOO=a,b,c", option)
# The same rule as above applies when using the option form vs. the
# variable form. But we can't detect it when .add is called.
helper = CommandLineHelper({}, ["cmd"])
helper.add("FOO=a,b,c", "other-origin")
helper.add("--without-foo", "other-origin")
with self.assertRaises(ConflictingOptionError) as cm:
helper.handle(foo)
self.assertEqual("--without-foo", cm.exception.arg)
self.assertEqual("other-origin", cm.exception.origin)
self.assertEqual("FOO=a,b,c", cm.exception.old_arg)
self.assertEqual("other-origin", cm.exception.old_origin)
helper = CommandLineHelper({}, ["cmd"])
helper.add("FOO=a,b,c", "other-origin")
helper.add("--with-foo=a,b", "other-origin")
with self.assertRaises(ConflictingOptionError) as cm:
helper.handle(foo)
self.assertEqual("--with-foo=a,b", cm.exception.arg)
self.assertEqual("other-origin", cm.exception.origin)
self.assertEqual("FOO=a,b,c", cm.exception.old_arg)
self.assertEqual("other-origin", cm.exception.old_origin)
helper = CommandLineHelper({}, ["cmd"])
helper.add("FOO=a,b,c", "other-origin")
helper.add("--with-foo=a,b,c", "other-origin")
value, option = helper.handle(foo)
self.assertEquals(PositiveOptionValue(("a", "b", "c")), value)
self.assertEquals("other-origin", value.origin)
self.assertEquals("--with-foo=a,b,c", option)
# Conflicts are also not allowed against what is in the
# environment/on the command line.
helper = CommandLineHelper({}, ["cmd", "--with-foo=a,b"])
helper.add("FOO=a,b,c", "other-origin")
with self.assertRaises(ConflictingOptionError) as cm:
helper.handle(foo)
self.assertEqual("FOO=a,b,c", cm.exception.arg)
self.assertEqual("other-origin", cm.exception.origin)
self.assertEqual("--with-foo=a,b", cm.exception.old_arg)
self.assertEqual("command-line", cm.exception.old_origin)
helper = CommandLineHelper({}, ["cmd", "--with-foo=a,b"])
helper.add("--without-foo", "other-origin")
with self.assertRaises(ConflictingOptionError) as cm:
helper.handle(foo)
self.assertEqual("--without-foo", cm.exception.arg)
self.assertEqual("other-origin", cm.exception.origin)
self.assertEqual("--with-foo=a,b", cm.exception.old_arg)
self.assertEqual("command-line", cm.exception.old_origin)
def test_precedence(self):
foo = Option("--with-foo", nargs="*")
helper = CommandLineHelper({}, ["cmd", "--with-foo=a,b"])
value, option = helper.handle(foo)
self.assertEquals(PositiveOptionValue(("a", "b")), value)
self.assertEquals("command-line", value.origin)
self.assertEquals("--with-foo=a,b", option)
helper = CommandLineHelper({}, ["cmd", "--with-foo=a,b", "--without-foo"])
value, option = helper.handle(foo)
self.assertEquals(NegativeOptionValue(), value)
self.assertEquals("command-line", value.origin)
self.assertEquals("--without-foo", option)
helper = CommandLineHelper({}, ["cmd", "--without-foo", "--with-foo=a,b"])
value, option = helper.handle(foo)
self.assertEquals(PositiveOptionValue(("a", "b")), value)
self.assertEquals("command-line", value.origin)
self.assertEquals("--with-foo=a,b", option)
foo = Option("--with-foo", env="FOO", nargs="*")
helper = CommandLineHelper({"FOO": ""}, ["cmd", "--with-foo=a,b"])
value, option = helper.handle(foo)
self.assertEquals(PositiveOptionValue(("a", "b")), value)
self.assertEquals("command-line", value.origin)
self.assertEquals("--with-foo=a,b", option)
helper = CommandLineHelper({"FOO": "a,b"}, ["cmd", "--without-foo"])
value, option = helper.handle(foo)
self.assertEquals(NegativeOptionValue(), value)
self.assertEquals("command-line", value.origin)
self.assertEquals("--without-foo", option)
helper = CommandLineHelper({"FOO": ""}, ["cmd", "--with-bar=a,b"])
value, option = helper.handle(foo)
self.assertEquals(NegativeOptionValue(), value)
self.assertEquals("environment", value.origin)
self.assertEquals("FOO=", option)
helper = CommandLineHelper({"FOO": "a,b"}, ["cmd", "--without-bar"])
value, option = helper.handle(foo)
self.assertEquals(PositiveOptionValue(("a", "b")), value)
self.assertEquals("environment", value.origin)
self.assertEquals("FOO=a,b", option)
helper = CommandLineHelper({}, ["cmd", "--with-foo=a,b", "FOO="])
value, option = helper.handle(foo)
self.assertEquals(NegativeOptionValue(), value)
self.assertEquals("command-line", value.origin)
self.assertEquals("FOO=", option)
helper = CommandLineHelper({}, ["cmd", "--without-foo", "FOO=a,b"])
value, option = helper.handle(foo)
self.assertEquals(PositiveOptionValue(("a", "b")), value)
self.assertEquals("command-line", value.origin)
self.assertEquals("FOO=a,b", option)
helper = CommandLineHelper({}, ["cmd", "FOO=", "--with-foo=a,b"])
value, option = helper.handle(foo)
self.assertEquals(PositiveOptionValue(("a", "b")), value)
self.assertEquals("command-line", value.origin)
self.assertEquals("--with-foo=a,b", option)
helper = CommandLineHelper({}, ["cmd", "FOO=a,b", "--without-foo"])
value, option = helper.handle(foo)
self.assertEquals(NegativeOptionValue(), value)
self.assertEquals("command-line", value.origin)
self.assertEquals("--without-foo", option)
