# ===========================================================================
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
# ===========================================================================
import sys, os, string, unittest, types
import six
if six.PY3:
ClassType = type
else:
ClassType = types.ClassType
class CompatibilityTests(unittest.TestCase):
"""
Backward-compatibility tests for deprecated features.
"""
def isCLRModule(self, object):
return type(object).__name__ == 'ModuleObject'
def isCLRRootModule(self, object):
if six.PY3:
# in Python 3 the clr module is a normal python module
return object.__name__ == "clr"
return type(object).__name__ == 'CLRModule'
def isCLRClass(self, object):
return type(object).__name__ == 'CLR Metatype' # for now
# Tests for old-style CLR-prefixed module naming.
def testSimpleImport(self):
"""Test simple import."""
import CLR
self.assertTrue(self.isCLRRootModule(CLR))
self.assertTrue(CLR.__name__ == 'clr')
import sys
self.assertTrue(type(sys) == types.ModuleType)
self.assertTrue(sys.__name__ == 'sys')
if six.PY3:
import http.client
self.assertTrue(type(http.client) == types.ModuleType)
self.assertTrue(http.client.__name__ == 'http.client')
else:
import httplib
self.assertTrue(type(httplib) == types.ModuleType)
self.assertTrue(httplib.__name__ == 'httplib')
def testSimpleImportWithAlias(self):
"""Test simple import with aliasing."""
import CLR as myCLR
self.assertTrue(self.isCLRRootModule(myCLR))
self.assertTrue(myCLR.__name__ == 'clr')
import sys as mySys
self.assertTrue(type(mySys) == types.ModuleType)
self.assertTrue(mySys.__name__ == 'sys')
if six.PY3:
import http.client as myHttplib
self.assertTrue(type(myHttplib) == types.ModuleType)
self.assertTrue(myHttplib.__name__ == 'http.client')
else:
import httplib as myHttplib
self.assertTrue(type(myHttplib) == types.ModuleType)
self.assertTrue(myHttplib.__name__ == 'httplib')
def testDottedNameImport(self):
"""Test dotted-name import."""
import CLR.System
self.assertTrue(self.isCLRModule(CLR.System))
self.assertTrue(CLR.System.__name__ == 'System')
import System
self.assertTrue(self.isCLRModule(System))
self.assertTrue(System.__name__ == 'System')
self.assertTrue(System is CLR.System)
import xml.dom
self.assertTrue(type(xml.dom) == types.ModuleType)
self.assertTrue(xml.dom.__name__ == 'xml.dom')
def testDottedNameImportWithAlias(self):
"""Test dotted-name import with aliasing."""
import CLR.System as myCLRSystem
self.assertTrue(self.isCLRModule(myCLRSystem))
self.assertTrue(myCLRSystem.__name__ == 'System')
import System as mySystem
self.assertTrue(self.isCLRModule(mySystem))
self.assertTrue(mySystem.__name__ == 'System')
self.assertTrue(mySystem is myCLRSystem)
import xml.dom as myDom
self.assertTrue(type(myDom) == types.ModuleType)
self.assertTrue(myDom.__name__ == 'xml.dom')
def testSimpleImportFrom(self):
"""Test simple 'import from'."""
from CLR import System
self.assertTrue(self.isCLRModule(System))
self.assertTrue(System.__name__ == 'System')
from xml import dom
self.assertTrue(type(dom) == types.ModuleType)
self.assertTrue(dom.__name__ == 'xml.dom')
def testSimpleImportFromWithAlias(self):
"""Test simple 'import from' with aliasing."""
from CLR import System as mySystem
self.assertTrue(self.isCLRModule(mySystem))
self.assertTrue(mySystem.__name__ == 'System')
from xml import dom as myDom
self.assertTrue(type(myDom) == types.ModuleType)
self.assertTrue(myDom.__name__ == 'xml.dom')
def testDottedNameImportFrom(self):
"""Test dotted-name 'import from'."""
from CLR.System import Xml
self.assertTrue(self.isCLRModule(Xml))
self.assertTrue(Xml.__name__ == 'System.Xml')
from CLR.System.Xml import XmlDocument
self.assertTrue(self.isCLRClass(XmlDocument))
self.assertTrue(XmlDocument.__name__ == 'XmlDocument')
from xml.dom import pulldom
self.assertTrue(type(pulldom) == types.ModuleType)
self.assertTrue(pulldom.__name__ == 'xml.dom.pulldom')
from xml.dom.pulldom import PullDOM
self.assertTrue(type(PullDOM) == ClassType)
self.assertTrue(PullDOM.__name__ == 'PullDOM')
def testDottedNameImportFromWithAlias(self):
"""Test dotted-name 'import from' with aliasing."""
from CLR.System import Xml as myXml
self.assertTrue(self.isCLRModule(myXml))
self.assertTrue(myXml.__name__ == 'System.Xml')
from CLR.System.Xml import XmlDocument as myXmlDocument
self.assertTrue(self.isCLRClass(myXmlDocument))
self.assertTrue(myXmlDocument.__name__ == 'XmlDocument')
from xml.dom import pulldom as myPulldom
self.assertTrue(type(myPulldom) == types.ModuleType)
self.assertTrue(myPulldom.__name__ == 'xml.dom.pulldom')
from xml.dom.pulldom import PullDOM as myPullDOM
self.assertTrue(type(myPullDOM) == ClassType)
self.assertTrue(myPullDOM.__name__ == 'PullDOM')
def testFromModuleImportStar(self):
"""Test from module import * behavior."""
import clr
clr.AddReference("System.Management")
count = len(locals().keys())
m = __import__('CLR.System.Management', globals(), locals(), ['*'])
self.assertTrue(m.__name__ == 'System.Management')
self.assertTrue(self.isCLRModule(m))
self.assertTrue(len(locals().keys()) > count + 1)
m2 = __import__('System.Management', globals(), locals(), ['*'])
self.assertTrue(m2.__name__ == 'System.Management')
self.assertTrue(self.isCLRModule(m2))
self.assertTrue(len(locals().keys()) > count + 1)
self.assertTrue(m is m2)
def testExplicitAssemblyLoad(self):
"""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')
self.assertTrue(assembly != None)
import CLR.System.Data
self.assertTrue('System.Data' in sys.modules)
assembly = Assembly.LoadWithPartialName('SpamSpamSpamSpamEggsAndSpam')
self.assertTrue(assembly == None)
def testImplicitLoadAlreadyValidNamespace(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 CLR.System module implicitly.
import CLR.System
self.assertTrue(self.isCLRClass(CLR.System.UriBuilder))
def testImportNonExistantModule(self):
"""Test import failure for a non-existant module."""
def test():
import System.SpamSpamSpam
def testclr():
import CLR.System.SpamSpamSpam
self.assertRaises(ImportError, test)
self.assertRaises(ImportError, testclr)
def testLookupNoNamespaceType(self):
"""Test lookup of types without a qualified namespace."""
import CLR.Python.Test
import CLR
self.assertTrue(self.isCLRClass(CLR.NoNamespaceType))
def testModuleLookupRecursion(self):
"""Test for recursive lookup handling."""
def test1():
from CLR import CLR
self.assertRaises(ImportError, test1)
def test2():
import CLR
x = CLR.CLR
self.assertRaises(AttributeError, test2)
def testModuleGetAttr(self):
"""Test module getattr behavior."""
import CLR.System as System
int_type = System.Int32
self.assertTrue(self.isCLRClass(int_type))
module = System.Xml
self.assertTrue(self.isCLRModule(module))
def test():
spam = System.Spam
self.assertRaises(AttributeError, test)
def test():
spam = getattr(System, 1)
self.assertRaises(TypeError, test)
def test000MultipleImports(self):
# import CLR did raise a Seg Fault once
# test if the Exceptions.warn() method still causes it
for n in range(100):
import CLR
def test_suite():
return unittest.makeSuite(CompatibilityTests)
def main():
unittest.TextTestRunner().run(test_suite())
if __name__ == '__main__':
try:
import System
except ImportError:
print("Load clr import hook")
import clr
main()