pythonnet/src/tests/test_module.py at pypy · attackgithub/pythonnet · GitHub

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

import clr

import time

import types

import unittest

import warnings

from fnmatch import fnmatch

from _compat import ClassType, PY2, PY3, range

from utils import is_clr_class, is_clr_module, is_clr_root_module

# testImplicitAssemblyLoad() passes on deprecation warning; perfect! #

# clr.AddReference('System.Windows.Forms')

class ModuleTests(unittest.TestCase):

"""Test CLR modules and the CLR import hook."""

def test_import_hook_works(self):

"""Test that the import hook works correctly both using the

included runtime and an external runtime. This must be

the first test run in the unit tests!"""

from System import String

def test_import_clr(self):

import clr

self.assertTrue(is_clr_root_module(clr))

def test_version_clr(self):

import clr

self.assertTrue(clr.__version__ >= "2.2.0")

def test_preload_var(self):

import clr

self.assertTrue(clr.getPreload() is False, clr.getPreload())

clr.setPreload(False)

self.assertTrue(clr.getPreload() is False, clr.getPreload())

try:

clr.setPreload(True)

self.assertTrue(clr.getPreload() is True, clr.getPreload())

clr.setPreload(0)

self.assertTrue(clr.getPreload() is False, clr.getPreload())

clr.setPreload(1)

self.assertTrue(clr.getPreload() is True, clr.getPreload())

import System.Configuration

content = dir(System.Configuration)

self.assertTrue(len(content) > 10, content)

finally:

clr.setPreload(False)

def test_module_interface(self):

"""Test the interface exposed by CLR module objects."""

import System

self.assertEquals(type(System.__dict__), type({}))

self.assertEquals(System.__name__, 'System')

# the filename can be any module from the System namespace

# (eg System.Data.dll or System.dll, but also mscorlib.dll)

system_file = System.__file__

self.assertTrue(fnmatch(system_file, "*System*.dll") or fnmatch(system_file, "*mscorlib.dll"),

"unexpected System.__file__: " + system_file)

self.assertTrue(System.__doc__.startswith("Namespace containing types from the following assemblies:"))

self.assertTrue(is_clr_class(System.String))

self.assertTrue(is_clr_class(System.Int32))

def test_simple_import(self):

"""Test simple import."""

import System

self.assertTrue(is_clr_module(System))

self.assertTrue(System.__name__ == 'System')

import sys

self.assertTrue(isinstance(sys, types.ModuleType))

self.assertTrue(sys.__name__ == 'sys')

if PY3:

import http.client as httplib

self.assertTrue(isinstance(httplib, types.ModuleType))

self.assertTrue(httplib.__name__ == 'http.client')

elif PY2:

import httplib

self.assertTrue(isinstance(httplib, types.ModuleType))

self.assertTrue(httplib.__name__ == 'httplib')

def test_simple_import_with_alias(self):

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

import System as mySystem

self.assertTrue(is_clr_module(mySystem))

self.assertTrue(mySystem.__name__ == 'System')

import sys as mySys

self.assertTrue(isinstance(mySys, types.ModuleType))

self.assertTrue(mySys.__name__ == 'sys')

if PY3:

import http.client as myHttplib

self.assertTrue(isinstance(myHttplib, types.ModuleType))

self.assertTrue(myHttplib.__name__ == 'http.client')

elif PY2:

import httplib as myHttplib

self.assertTrue(isinstance(myHttplib, types.ModuleType))

self.assertTrue(myHttplib.__name__ == 'httplib')

def test_dotted_name_import(self):

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

import System.Reflection

self.assertTrue(is_clr_module(System.Reflection))

self.assertTrue(System.Reflection.__name__ == 'System.Reflection')

import xml.dom

self.assertTrue(isinstance(xml.dom, types.ModuleType))

self.assertTrue(xml.dom.__name__ == 'xml.dom')

def test_multiple_dotted_name_import(self):

"""Test an import bug with multiple dotted imports."""

import System.Data

self.assertTrue(is_clr_module(System.Data))

self.assertTrue(System.Data.__name__ == 'System.Data')

import System.Data

self.assertTrue(is_clr_module(System.Data))

self.assertTrue(System.Data.__name__ == 'System.Data')

def test_dotted_name_import_with_alias(self):

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

import System.Reflection as SysRef

self.assertTrue(is_clr_module(SysRef))

self.assertTrue(SysRef.__name__ == 'System.Reflection')

import xml.dom as myDom

self.assertTrue(isinstance(myDom, types.ModuleType))

self.assertTrue(myDom.__name__ == 'xml.dom')

def test_simple_import_from(self):

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

from System import Reflection

self.assertTrue(is_clr_module(Reflection))

self.assertTrue(Reflection.__name__ == 'System.Reflection')

from xml import dom

self.assertTrue(isinstance(dom, types.ModuleType))

self.assertTrue(dom.__name__ == 'xml.dom')

def test_simple_import_from_with_alias(self):

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

from System import Collections as Coll

self.assertTrue(is_clr_module(Coll))

self.assertTrue(Coll.__name__ == 'System.Collections')

from xml import dom as myDom

self.assertTrue(isinstance(myDom, types.ModuleType))

self.assertTrue(myDom.__name__ == 'xml.dom')

def test_dotted_name_import_from(self):

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

from System.Collections import Specialized

self.assertTrue(is_clr_module(Specialized))

self.assertTrue(

Specialized.__name__ == 'System.Collections.Specialized')

from System.Collections.Specialized import StringCollection

self.assertTrue(is_clr_class(StringCollection))

self.assertTrue(StringCollection.__name__ == 'StringCollection')

from xml.dom import pulldom

self.assertTrue(isinstance(pulldom, types.ModuleType))

self.assertTrue(pulldom.__name__ == 'xml.dom.pulldom')

from xml.dom.pulldom import PullDOM

self.assertTrue(isinstance(PullDOM, ClassType))

self.assertTrue(PullDOM.__name__ == 'PullDOM')

def test_dotted_name_import_from_with_alias(self):

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

from System.Collections import Specialized as Spec

self.assertTrue(is_clr_module(Spec))

self.assertTrue(Spec.__name__ == 'System.Collections.Specialized')

from System.Collections.Specialized import StringCollection as SC

self.assertTrue(is_clr_class(SC))

self.assertTrue(SC.__name__ == 'StringCollection')

from xml.dom import pulldom as myPulldom

self.assertTrue(isinstance(myPulldom, types.ModuleType))

self.assertTrue(myPulldom.__name__ == 'xml.dom.pulldom')

from xml.dom.pulldom import PullDOM as myPullDOM

self.assertTrue(isinstance(myPullDOM, ClassType))

self.assertTrue(myPullDOM.__name__ == 'PullDOM')

def test_from_module_import_star(self):

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

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

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

self.assertTrue(m.__name__ == 'System.Xml')

self.assertTrue(is_clr_module(m))

self.assertTrue(len(locals().keys()) > count + 1)

def test_implicit_assembly_load(self):

"""Test implicit assembly loading via import."""

with warnings.catch_warnings(record=True) as w:

warnings.simplefilter("always")

# should trigger a DeprecationWarning as Microsoft.Build hasn't

# been added as a reference yet (and should exist for mono)

import Microsoft.Build

self.assertEqual(len(w), 1)

self.assertTrue(isinstance(w[0].message, DeprecationWarning))

with warnings.catch_warnings(record=True) as w:

clr.AddReference("System.Windows.Forms")

import System.Windows.Forms as Forms

self.assertTrue(is_clr_module(Forms))

self.assertTrue(Forms.__name__ == 'System.Windows.Forms')

from System.Windows.Forms import Form

self.assertTrue(is_clr_class(Form))

self.assertTrue(Form.__name__ == 'Form')

self.assertEqual(len(w), 0)

def test_explicit_assembly_load(self):

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

from System.Reflection import Assembly

import System, sys

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

self.assertTrue(assembly is not None)

import System.Data

self.assertTrue('System.Data' in sys.modules)

assembly = Assembly.LoadWithPartialName('SpamSpamSpamSpamEggsAndSpam')

self.assertTrue(assembly is None)

def test_implicit_load_already_valid_namespace(self):

"""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 System module implicitly.

import System

self.assertTrue(is_clr_class(System.UriBuilder))

def test_import_non_existant_module(self):

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

with self.assertRaises(ImportError):

import System.SpamSpamSpam

def test_lookup_no_namespace_type(self):

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

import Python.Test

import clr

self.assertTrue(is_clr_class(clr.NoNamespaceType))

def test_module_lookup_recursion(self):

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

with self.assertRaises(ImportError):

from System import System

with self.assertRaises(AttributeError):

import System

_ = System.System

def test_module_get_attr(self):

"""Test module getattr behavior."""

import System

int_type = System.Int32

self.assertTrue(is_clr_class(int_type))

module = System.Xml

self.assertTrue(is_clr_module(module))

with self.assertRaises(AttributeError):

_ = System.Spam

with self.assertRaises(TypeError):

_ = getattr(System, 1)

def test_module_attr_abuse(self):

"""Test handling of attempts to set module attributes."""

# It would be safer to use a dict-proxy as the __dict__ for CLR

# modules, but as of Python 2.3 some parts of the CPython runtime

# like dir() will fail if a module dict is not a real dictionary.

def test():

import System

System.__dict__['foo'] = 0

return 1

self.assertTrue(test())

def test_module_type_abuse(self):

"""Test handling of attempts to break the module type."""

import System

mtype = type(System)

with self.assertRaises(TypeError):

mtype.__getattribute__(0, 'spam')

with self.assertRaises(TypeError):

mtype.__setattr__(0, 'spam', 1)

with self.assertRaises(TypeError):

mtype.__repr__(0)

def test_clr_list_assemblies(self):

from clr import ListAssemblies

verbose = list(ListAssemblies(True))

short = list(ListAssemblies(False))

self.assertTrue(u'mscorlib' in short)

self.assertTrue(u'System' in short)

self.assertTrue(u'Culture=' in verbose[0])

self.assertTrue(u'Version=' in verbose[0])

def test_clr_add_reference(self):

from clr import AddReference

from System.IO import FileNotFoundException

for name in ("System", "Python.Runtime"):

assy = AddReference(name)

assy_name = assy.GetName().Name

self.assertEqual(assy_name, name)

with self.assertRaises(FileNotFoundException):

AddReference("somethingtotallysilly")

def test_assembly_load_thread_safety(self):

from Python.Test import ModuleTest

# spin up .NET thread which loads assemblies and triggers AppDomain.AssemblyLoad event

ModuleTest.RunThreads()

time.sleep(1e-5)

for _ in range(1, 100):

# call import clr, which in AssemblyManager.GetNames iterates through the loaded types

import clr

# import some .NET types

from System import DateTime

from System import Guid

from System.Collections.Generic import Dictionary

_ = Dictionary[Guid, DateTime]()

ModuleTest.JoinThreads()

def test_suite():

return unittest.makeSuite(ModuleTests)

pythonnet/src/tests/test_module.py at pypy · attackgithub/pythonnet · GitHub

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