Files
jedi/test/test_evaluate/test_signature.py
2019-07-19 01:27:37 +02:00

82 lines
3.0 KiB
Python

from textwrap import dedent
from operator import ge, lt
import pytest
from jedi.evaluate.gradual.conversion import _stub_to_python_context_set
@pytest.mark.parametrize(
'code, sig, names, op, version', [
('import math; math.cos', 'cos(x, /)', ['x'], ge, (2, 7)),
('next', 'next(iterator, default=None, /)', ['iterator', 'default'], ge, (2, 7)),
('str', "str(object='', /) -> str", ['object'], ge, (2, 7)),
('pow', 'pow(x, y, z=None, /) -> number', ['x', 'y', 'z'], lt, (3, 5)),
('pow', 'pow(x, y, z=None, /)', ['x', 'y', 'z'], ge, (3, 5)),
('bytes.partition', 'partition(self, sep, /) -> (head, sep, tail)', ['self', 'sep'], lt, (3, 5)),
('bytes.partition', 'partition(self, sep, /)', ['self', 'sep'], ge, (3, 5)),
('bytes().partition', 'partition(sep, /) -> (head, sep, tail)', ['sep'], lt, (3, 5)),
('bytes().partition', 'partition(sep, /)', ['sep'], ge, (3, 5)),
]
)
def test_compiled_signature(Script, environment, code, sig, names, op, version):
if not op(environment.version_info, version):
return # The test right next to it should take over.
d, = Script(code).goto_definitions()
context, = d._name.infer()
compiled, = _stub_to_python_context_set(context)
signature, = compiled.get_signatures()
assert signature.to_string() == sig
assert [n.string_name for n in signature.get_param_names()] == names
@pytest.mark.parametrize(
'code, expected', [
('def f(a, * args, x): pass\n f(', 'f(a, *args, x)'),
('def f(a, *, x): pass\n f(', 'f(a, *, x)'),
('def f(*, x= 3,**kwargs): pass\n f(', 'f(*, x=3, **kwargs)'),
('def f(x,/,y,* ,z): pass\n f(', 'f(x, /, y, *, z)'),
('def f(a, /, *, x=3, **kwargs): pass\n f(', 'f(a, /, *, x=3, **kwargs)'),
]
)
def test_tree_signature(Script, environment, code, expected):
# Only test this in the latest version, because of /
if environment.version_info < (3, 8):
pytest.skip()
sig, = Script(code).call_signatures()
assert expected == sig._signature.to_string()
def test_pow_signature(Script):
# See github #1357
sigs = Script('pow(').call_signatures()
strings = {sig._signature.to_string() for sig in sigs}
assert strings == {'pow(x: float, y: float, z: float, /) -> float',
'pow(x: float, y: float, /) -> float',
'pow(x: int, y: int, z: int, /) -> Any',
'pow(x: int, y: int, /) -> Any'}
@pytest.mark.parametrize('decorator', ['@dataclass', '@dataclass(eq=True)'])
def test_dataclass_signature(Script, skip_pre_python37, decorator):
code = dedent('''
class InventoryItem:
name: str
foo = 3
unit_price: float
quantity_on_hand: int = 0
InventoryItem(''')
code = 'from dataclasses import dataclass\n' + decorator + code
sig, = Script(code).call_signatures()
assert [p.name for p in sig.params] == ['name', 'unit_price', 'quantity_on_hand']