Files
jedi/test/test_evaluate/test_stdlib.py
2017-12-29 19:13:15 +01:00

81 lines
2.2 KiB
Python

"""
Tests of various stdlib related things that could not be tested
with "Black Box Tests".
"""
from textwrap import dedent
import pytest
from jedi._compatibility import is_py26
# The namedtuple is different for different Python2.7 versions. Some versions
# are missing the attribute `_class_template`.
@pytest.fixture(autouse=True)
def skipping(environment):
if environment.version_info.major < 3:
pytest.skip()
@pytest.mark.parametrize(['letter', 'expected'], [
('n', ['name']),
('s', ['smart']),
])
def test_namedtuple_str(letter, expected, Script):
source = dedent("""\
import collections
Person = collections.namedtuple('Person', 'name smart')
dave = Person('Dave', False)
dave.%s""") % letter
result = Script(source).completions()
completions = set(r.name for r in result)
if is_py26:
assert completions == set()
else:
assert completions == set(expected)
def test_namedtuple_list(Script):
source = dedent("""\
import collections
Cat = collections.namedtuple('Person', ['legs', u'length', 'large'])
garfield = Cat(4, '85cm', True)
garfield.l""")
result = Script(source).completions()
completions = set(r.name for r in result)
if is_py26:
assert completions == set()
else:
assert completions == set(['legs', 'length', 'large'])
def test_namedtuple_content(Script):
source = dedent("""\
import collections
Foo = collections.namedtuple('Foo', ['bar', 'baz'])
named = Foo(baz=4, bar=3.0)
unnamed = Foo(4, '')
""")
def d(source):
x, = Script(source).goto_definitions()
return x.name
assert d(source + 'unnamed.bar') == 'int'
assert d(source + 'unnamed.baz') == 'str'
assert d(source + 'named.bar') == 'float'
assert d(source + 'named.baz') == 'int'
def test_nested_namedtuples(Script):
"""
From issue #730.
"""
s = Script(dedent('''
import collections
Dataset = collections.namedtuple('Dataset', ['data'])
Datasets = collections.namedtuple('Datasets', ['train'])
train_x = Datasets(train=Dataset('data_value'))
train_x.train.'''
))
assert 'data' in [c.name for c in s.completions()]