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# Copyright (c) 2013 AndroWiiid <androwiiid@gmail.com>
# Copyright (c) 2014-2016, 2018-2020 Claudiu Popa <pcmanticore@gmail.com>
# Copyright (c) 2014 Google, Inc.
# Copyright (c) 2015-2016 Ceridwen <ceridwenv@gmail.com>
# Copyright (c) 2018 Anthony Sottile <asottile@umich.edu>
# Copyright (c) 2018 Bryce Guinta <bryce.paul.guinta@gmail.com>
# Copyright (c) 2019 Ashley Whetter <ashley@awhetter.co.uk>
# Copyright (c) 2020 David Gilman <davidgilman1@gmail.com>
# Copyright (c) 2020 hippo91 <guillaume.peillex@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 platform
import unittest
import _io
from astroid.builder import AstroidBuilder
from astroid.raw_building import (
attach_dummy_node,
build_module,
build_class,
build_function,
build_from_import,
)
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"]
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):
defaults = ["defaults1", "defaults2"]
node = build_function(name="MyFunction", args=None, defaults=defaults)
self.assertEqual(2, len(node.args.defaults))
def test_build_function_posonlyargs(self):
node = build_function(name="MyFunction", posonlyargs=["a", "b"])
self.assertEqual(2, len(node.args.posonlyargs))
def test_build_from_import(self):
names = ["exceptions, inference, inspector"]
node = build_from_import("astroid", names)
self.assertEqual(len(names), len(node.names))
@unittest.skipIf(platform.python_implementation() == "PyPy", "Only affects CPython")
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.
builder = AstroidBuilder()
module = builder.inspect_build(_io)
buffered_reader = module.getattr("BufferedReader")[0]
self.assertEqual(buffered_reader.root().name, "io")
if __name__ == "__main__":
unittest.main()
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