pythonnet/src/tests/test_compat.py at master · attackgithub/pythonnet · GitHub

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# -*- coding: utf-8 -*-

# TODO: Complete removal of methods below. Similar to test_module

"""Backward-compatibility tests for deprecated features."""

import types

import pytest

from ._compat import ClassType, PY2, PY3, range

from .utils import is_clr_class, is_clr_module, is_clr_root_module

# Tests for old-style CLR-prefixed module naming.

def test_simple_import():

"""Test simple import."""

import CLR

assert is_clr_root_module(CLR)

assert CLR.__name__ == 'clr'

import sys

assert isinstance(sys, types.ModuleType)

assert sys.__name__ == 'sys'

if PY3:

import http.client

assert isinstance(http.client, types.ModuleType)

assert http.client.__name__ == 'http.client'

elif PY2:

import httplib

assert isinstance(httplib, types.ModuleType)

assert httplib.__name__ == 'httplib'

def test_simple_import_with_alias():

"""Test simple import with aliasing."""

import CLR as myCLR

assert is_clr_root_module(myCLR)

assert myCLR.__name__ == 'clr'

import sys as mySys

assert isinstance(mySys, types.ModuleType)

assert mySys.__name__ == 'sys'

if PY3:

import http.client as myHttplib

assert isinstance(myHttplib, types.ModuleType)

assert myHttplib.__name__ == 'http.client'

elif PY2:

import httplib as myHttplib

assert isinstance(myHttplib, types.ModuleType)

assert myHttplib.__name__ == 'httplib'

def test_dotted_name_import():

"""Test dotted-name import."""

import CLR.System

assert is_clr_module(CLR.System)

assert CLR.System.__name__ == 'System'

import System

assert is_clr_module(System)

assert System.__name__ == 'System'

assert System is CLR.System

import xml.dom

assert isinstance(xml.dom, types.ModuleType)

assert xml.dom.__name__ == 'xml.dom'

def test_dotted_name_import_with_alias():

"""Test dotted-name import with aliasing."""

import CLR.System as myCLRSystem

assert is_clr_module(myCLRSystem)

assert myCLRSystem.__name__ == 'System'

import System as mySystem

assert is_clr_module(mySystem)

assert mySystem.__name__ == 'System'

assert mySystem is myCLRSystem

import xml.dom as myDom

assert isinstance(myDom, types.ModuleType)

assert myDom.__name__ == 'xml.dom'

def test_simple_import_from():

"""Test simple 'import from'."""

from CLR import System

assert is_clr_module(System)

assert System.__name__ == 'System'

from xml import dom

assert isinstance(dom, types.ModuleType)

assert dom.__name__ == 'xml.dom'

def test_simple_import_from_with_alias():

"""Test simple 'import from' with aliasing."""

from CLR import System as mySystem

assert is_clr_module(mySystem)

assert mySystem.__name__ == 'System'

from xml import dom as myDom

assert isinstance(myDom, types.ModuleType)

assert myDom.__name__ == 'xml.dom'

def test_dotted_name_import_from():

"""Test dotted-name 'import from'."""

from CLR.System import Xml

assert is_clr_module(Xml)

assert Xml.__name__ == 'System.Xml'

from CLR.System.Xml import XmlDocument

assert is_clr_class(XmlDocument)

assert XmlDocument.__name__ == 'XmlDocument'

from xml.dom import pulldom

assert isinstance(pulldom, types.ModuleType)

assert pulldom.__name__ == 'xml.dom.pulldom'

from xml.dom.pulldom import PullDOM

assert isinstance(PullDOM, ClassType)

assert PullDOM.__name__ == 'PullDOM'

def test_dotted_name_import_from_with_alias():

"""Test dotted-name 'import from' with aliasing."""

from CLR.System import Xml as myXml

assert is_clr_module(myXml)

assert myXml.__name__ == 'System.Xml'

from CLR.System.Xml import XmlDocument as myXmlDocument

assert is_clr_class(myXmlDocument)

assert myXmlDocument.__name__ == 'XmlDocument'

from xml.dom import pulldom as myPulldom

assert isinstance(myPulldom, types.ModuleType)

assert myPulldom.__name__ == 'xml.dom.pulldom'

from xml.dom.pulldom import PullDOM as myPullDOM

assert isinstance(myPullDOM, ClassType)

assert myPullDOM.__name__ == 'PullDOM'

def test_from_module_import_star():

"""Test from module import * behavior."""

count = len(locals().keys())

m = __import__('CLR.System.Management', globals(), locals(), ['*'])

assert m.__name__ == 'System.Management'

assert is_clr_module(m)

assert len(locals().keys()) > count + 1

m2 = __import__('System.Management', globals(), locals(), ['*'])

assert m2.__name__ == 'System.Management'

assert is_clr_module(m2)

assert len(locals().keys()) > count + 1

assert m is m2

def test_explicit_assembly_load():

"""Test explicit assembly loading using standard CLR tools."""

from CLR.System.Reflection import Assembly

from CLR import System

import sys

assembly = Assembly.LoadWithPartialName('System.Data')

assert assembly is not None

import CLR.System.Data

assert 'System.Data' in sys.modules

assembly = Assembly.LoadWithPartialName('SpamSpamSpamSpamEggsAndSpam')

assert assembly is None

def test_implicit_load_already_valid_namespace():

"""Test implicit assembly load over an already valid namespace."""

# In this case, the mscorlib assembly (loaded by default) defines

# a number of types in the System namespace. There is also a System

# assembly, which is _not_ loaded by default, which also contains

# types in the System namespace. The desired behavior is for the

# Python runtime to "do the right thing", allowing types from both

# assemblies to be found in the CLR.System module implicitly.

import CLR.System

assert is_clr_class(CLR.System.UriBuilder)

def test_import_non_existant_module():

"""Test import failure for a non-existent module."""

with pytest.raises(ImportError):

import System.SpamSpamSpam

with pytest.raises(ImportError):

import CLR.System.SpamSpamSpam

def test_lookup_no_namespace_type():

"""Test lookup of types without a qualified namespace."""

import CLR.Python.Test

import CLR

assert is_clr_class(CLR.NoNamespaceType)

def test_module_lookup_recursion():

"""Test for recursive lookup handling."""

with pytest.raises(ImportError):

from CLR import CLR

with pytest.raises(AttributeError):

import CLR

_ = CLR.CLR

def test_module_get_attr():

"""Test module getattr behavior."""

import CLR.System as System

int_type = System.Int32

assert is_clr_class(int_type)

module = System.Xml

assert is_clr_module(module)

with pytest.raises(AttributeError):

_ = System.Spam

with pytest.raises(TypeError):

_ = getattr(System, 1)

def test_multiple_imports():

# import CLR did raise a Seg Fault once

# test if the Exceptions.warn() method still causes it

for _ in range(100):

import CLR

_ = CLR

pythonnet/src/tests/test_compat.py at master · attackgithub/pythonnet · GitHub

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