def test_multi_value_max_values_double(self):
options = core.Options(
arguments.MultiValueArgument('myarg', max_values=2))
dummy_tokens = DummyTokens('myval', 'myval2')
kwargs, blocks = options.parse(dummy_parser, dummy_tokens)
self.assertEqual(blocks, {})
self.assertEqual(len(kwargs), 1)
dummy_context = {}
self.assertEqual(kwargs['myarg'].resolve(dummy_context),
['myval', 'myval2'])
def test_multi_value_three_values(self):
options = core.Options(arguments.MultiValueArgument('myarg'))
# test triple token MVA
dummy_tokens = DummyTokens('myval', 'myval2', 'myval3')
kwargs, blocks = options.parse(dummy_parser, dummy_tokens)
self.assertEqual(blocks, {})
self.assertEqual(len(kwargs), 1)
dummy_context = {}
self.assertEqual(kwargs['myarg'].resolve(dummy_context),
['myval', 'myval2', 'myval3'])
def test_multi_value_no_resolve(self):
# test no resolve
options = core.Options(
arguments.MultiValueArgument('myarg', resolve=False))
argparser = parser.Parser(options)
dummy_tokens = DummyTokens('myval', "'myval2'")
kwargs, blocks = argparser.parse(dummy_parser, dummy_tokens)
self.assertEqual(blocks, {})
dummy_context = {}
self.assertEqual(kwargs['myarg'].resolve(dummy_context),
['myval', 'myval2'])
def test_multi_value_defaults(self):
# test default
options = core.Options(
arguments.MultiValueArgument('myarg', default=['hello',
'world']), )
argparser = parser.Parser(options)
dummy_tokens = DummyTokens()
kwargs, blocks = argparser.parse(dummy_parser, dummy_tokens)
self.assertEqual(blocks, {})
dummy_context = {}
self.assertEqual(kwargs['myarg'].resolve(dummy_context),
['hello', 'world'])
def test_multi_value_single_value(self):
"""
Test simple multi value arguments
"""
options = core.Options(arguments.MultiValueArgument('myarg'))
# test single token MVA
dummy_tokens = DummyTokens('myval')
kwargs, blocks = options.parse(dummy_parser, dummy_tokens)
self.assertEqual(blocks, {})
self.assertEqual(len(kwargs), 1)
dummy_context = {}
# test resolving to list
self.assertEqual(kwargs['myarg'].resolve(dummy_context), ['myval'])
def test_complext_first_and_last_argument(self):
options = core.Options(
arguments.Argument('singlearg'),
arguments.MultiValueArgument('multiarg', required=False), 'as',
arguments.Argument('varname', required=False), 'safe',
arguments.Flag('safe', true_values=['on', 'true'], default=False))
# test first argument and last argument given
dummy_tokens = DummyTokens(2, 'safe', 'false')
dummy_context = {}
kwargs, blocks = options.parse(dummy_parser, dummy_tokens)
self.assertEqual(blocks, {})
self.assertEqual(len(kwargs), 4)
expected = [('singlearg', 2), ('multiarg', []), ('varname', None),
('safe', False)]
for key, value in expected:
self.assertEqual(kwargs[key].resolve(dummy_context), value)
class Cycle(core.Tag):
name = 'classy_cycle'
options = core.Options(
arguments.MultiValueArgument('values'),
'as',
arguments.Argument('varname', required=False, resolve=False),
)
def render_tag(self, context, values, varname):
if self not in context.render_context:
context.render_context[self] = itertools_cycle(values)
cycle_iter = context.render_context[self]
value = compat_next(cycle_iter)
if varname:
context[varname] = value
return value
def test_complex_all_arguments(self):
"""
test a complex tag option parser
"""
options = core.Options(
arguments.Argument('singlearg'),
arguments.MultiValueArgument('multiarg', required=False), 'as',
arguments.Argument('varname', required=False), 'safe',
arguments.Flag('safe', true_values=['on', 'true'], default=False))
# test simple 'all arguments given'
dummy_tokens = DummyTokens(1, 2, 3, 'as', 4, 'safe', 'true')
dummy_context = {}
kwargs, blocks = options.parse(dummy_parser, dummy_tokens)
self.assertEqual(blocks, {})
self.assertEqual(len(kwargs), 4)
expected = [('singlearg', 1), ('multiarg', [2, 3]), ('varname', 4),
('safe', True)]
for key, value in expected:
self.assertEqual(kwargs[key].resolve(dummy_context), value)
def test_multi_value_max_values_too_many(self):
options = core.Options(
arguments.MultiValueArgument('myarg', max_values=2))
dummy_tokens = DummyTokens('myval', 'myval2', 'myval3')
self.assertRaises(exceptions.TooManyArguments, options.parse,
dummy_parser, dummy_tokens)
