94 lines
3.3 KiB
Python
94 lines
3.3 KiB
Python
|
# Copyright (c) 2014 Google, Inc.
|
||
|
|
# Copyright (c) 2014-2016 Claudiu Popa <pcmanticore@gmail.com>
|
||
|
|
|
||
|
|
# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html
|
||
|
|
# For details: https://github.com/PyCQA/astroid/blob/master/COPYING.LESSER
|
||
|
|
|
||
|
|
import inspect
|
||
|
|
import os
|
||
|
|
import unittest
|
||
|
|
|
||
|
|
from six.moves import builtins
|
||
|
|
|
||
|
|
from astroid.builder import AstroidBuilder, extract_node
|
||
|
|
from astroid.raw_building import (
|
||
|
|
attach_dummy_node, build_module,
|
||
|
|
build_class, build_function, build_from_import
|
||
|
|
)
|
||
|
|
from astroid import test_utils
|
||
|
|
from astroid import nodes
|
||
|
|
from astroid.bases import BUILTINS
|
||
|
|
|
||
|
|
|
||
|
|
class RawBuildingTC(unittest.TestCase):
|
||
|
|
|
||
|
|
def test_attach_dummy_node(self):
|
||
|
|
node = build_module('MyModule')
|
||
|
|
attach_dummy_node(node, 'DummyNode')
|
||
|
|
self.assertEqual(1, len(list(node.get_children())))
|
||
|
|
|
||
|
|
def test_build_module(self):
|
||
|
|
node = build_module('MyModule')
|
||
|
|
self.assertEqual(node.name, 'MyModule')
|
||
|
|
self.assertEqual(node.pure_python, False)
|
||
|
|
self.assertEqual(node.package, False)
|
||
|
|
self.assertEqual(node.parent, None)
|
||
|
|
|
||
|
|
def test_build_class(self):
|
||
|
|
node = build_class('MyClass')
|
||
|
|
self.assertEqual(node.name, 'MyClass')
|
||
|
|
self.assertEqual(node.doc, None)
|
||
|
|
|
||
|
|
def test_build_function(self):
|
||
|
|
node = build_function('MyFunction')
|
||
|
|
self.assertEqual(node.name, 'MyFunction')
|
||
|
|
self.assertEqual(node.doc, None)
|
||
|
|
|
||
|
|
def test_build_function_args(self):
|
||
|
|
args = ['myArgs1', 'myArgs2']
|
||
|
|
# pylint: disable=no-member; not aware of postinit
|
||
|
|
node = build_function('MyFunction', args)
|
||
|
|
self.assertEqual('myArgs1', node.args.args[0].name)
|
||
|
|
self.assertEqual('myArgs2', node.args.args[1].name)
|
||
|
|
self.assertEqual(2, len(node.args.args))
|
||
|
|
|
||
|
|
def test_build_function_defaults(self):
|
||
|
|
# pylint: disable=no-member; not aware of postinit
|
||
|
|
defaults = ['defaults1', 'defaults2']
|
||
|
|
node = build_function('MyFunction', None, defaults)
|
||
|
|
self.assertEqual(2, len(node.args.defaults))
|
||
|
|
|
||
|
|
def test_build_from_import(self):
|
||
|
|
names = ['exceptions, inference, inspector']
|
||
|
|
node = build_from_import('astroid', names)
|
||
|
|
self.assertEqual(len(names), len(node.names))
|
||
|
|
|
||
|
|
@test_utils.require_version(minver='3.0')
|
||
|
|
def test_io_is__io(self):
|
||
|
|
# _io module calls itself io. This leads
|
||
|
|
# to cyclic dependencies when astroid tries to resolve
|
||
|
|
# what io.BufferedReader is. The code that handles this
|
||
|
|
# is in astroid.raw_building.imported_member, which verifies
|
||
|
|
# the true name of the module.
|
||
|
|
import _io
|
||
|
|
|
||
|
|
builder = AstroidBuilder()
|
||
|
|
module = builder.inspect_build(_io)
|
||
|
|
buffered_reader = module.getattr('BufferedReader')[0]
|
||
|
|
self.assertEqual(buffered_reader.root().name, 'io')
|
||
|
|
|
||
|
|
@unittest.skipUnless(os.name == 'java', 'Requires Jython')
|
||
|
|
def test_open_is_inferred_correctly(self):
|
||
|
|
# Lot of Jython builtins don't have a __module__ attribute.
|
||
|
|
for name, _ in inspect.getmembers(builtins, predicate=inspect.isbuiltin):
|
||
|
|
if name == 'print':
|
||
|
|
continue
|
||
|
|
node = extract_node('{0} #@'.format(name))
|
||
|
|
inferred = next(node.infer())
|
||
|
|
self.assertIsInstance(inferred, nodes.FunctionDef, name)
|
||
|
|
self.assertEqual(inferred.root().name, BUILTINS, name)
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
unittest.main()
|