def test_let_let_let_mask(self):
activation = invoke(
composer.let({'x': 42},
composer.let({'x': 69},
composer.let({'x': -1},
composer.mask(get_x)))))
assert activation['response']['result'] == {'value': 69}
def test_failure(self):
try:
invoke(composer.let({'x': 2}, composer.retry(1, retry_test)))
assert False
except Exception as err:
assert err.error['response']['result'] == {'error': 'foo'}
def test_success(self):
activation = invoke(
composer.let({'x': 2}, composer.retry(2, retry_test)))
assert activation['response']['result'] == {'value': 42}
def test_scoping(self):
activation = invoke(
composer.let({'x': 42}, composer.let({'x': 69}, get_x),
get_value_plus_x), {})
assert activation['response']['result'] == {'value': 111}
def test_invalid_argument(self):
try:
invoke(composer.let(invoke))
assert False
except composer.ComposerError as error:
assert error.message.startswith('Invalid argument')
def test_two_variables_combined(self):
activation = invoke(composer.let({'x': 42, 'y': 69}, get_x_plus_y), {})
assert activation['response']['result'] == {'value': 111}
def test_masking(self):
activation = invoke(
composer.let({'x': 42}, composer.let({'x': 69}, get_x)), {})
assert activation['response']['result'] == {'value': 69}
def test_one_variable(self):
activation = invoke(composer.let({'x': 42}, get_x), {})
assert activation['response']['result'] == {'value': 42}
def test_combinator_type(self):
assert composer.let({}).type == 'let'
def test_variable_argument_count(self):
composer.let({})
composer.let({}, 'foo')
composer.let({}, 'foo', 'foo')
