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gecko-dev/extensions/python/xpcom/test/test_test_component.py
mhammond%skippinet.com.au 675beee8de Merging 1.0 branch onto the trunk (I know this is not the usual 
way, but it is just me :)
Not part of the build!
2002-05-03 01:16:47 +00:00

511 lines
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Python
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# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with the
# License. You may obtain a copy of the License at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
# the specific language governing rights and limitations under the License.
#
# The Original Code is the Python XPCOM language bindings.
#
# The Initial Developer of the Original Code is ActiveState Tool Corp.
# Portions created by ActiveState Tool Corp. are Copyright (C) 2000, 2001
# ActiveState Tool Corp. All Rights Reserved.
#
# Contributor(s): Mark Hammond <MarkH@ActiveState.com> (original author)
#
import sys, os
import xpcom.components
import xpcom._xpcom
import xpcom.nsError
num_errors = 0
component_iid = xpcom.components.ID("{7EE4BDC6-CB53-42c1-A9E4-616B8E012ABA}")
new_iid = xpcom.components.ID("{2AF747D3-ECBC-457b-9AF9-5C5D80EDC360}")
contractid = "Python.TestComponent"
really_big_string = "This is really repetitive!" * 10000
really_big_wstring = u"This is really repetitive!" * 10000
# Exception raised when a -ve integer is converted to an unsigned C integer
# (via an extension module). This changed in Python 2.2
if sys.hexversion > 0x02010000:
UnsignedMismatchException = TypeError
else:
UnsignedMismatchException = OverflowError
def print_error(error):
print error
global num_errors
num_errors = num_errors + 1
def _test_value(what, got, expecting):
ok = got == expecting
if type(got)==type(expecting)==type(0.0):
ok = abs(got-expecting) < 0.001
if not ok:
print_error("*** Error %s - got '%r', but expecting '%r'" % (what, got, expecting))
def test_attribute(ob, attr_name, expected_init, new_value, new_value_really = None):
if xpcom.verbose:
print "Testing attribute %s" % (attr_name,)
if new_value_really is None:
new_value_really = new_value # Handy for eg bools - set a BOOL to 2, you still get back 1!
_test_value( "getting initial attribute value (%s)" % (attr_name,), getattr(ob, attr_name), expected_init)
setattr(ob, attr_name, new_value)
_test_value( "getting new attribute value (%s)" % (attr_name,), getattr(ob, attr_name), new_value_really)
# And set it back to the expected init.
setattr(ob, attr_name, expected_init)
_test_value( "getting back initial attribute value after change (%s)" % (attr_name,), getattr(ob, attr_name), expected_init)
def test_attribute_failure(ob, attr_name, new_value, expected_exception):
try:
setattr(ob, attr_name, new_value)
print_error("*** Setting attribute '%s' to '%r' didnt yield an exception!" % (attr_name, new_value) )
except:
exc_typ = sys.exc_info()[0]
exc_val = sys.exc_info()[1]
ok = issubclass(exc_typ, expected_exception)
if not ok:
print_error("*** Wrong exception setting '%s' to '%r'- got '%s: %s', expected '%s'" % (attr_name, new_value, exc_typ, exc_val, expected_exception))
def test_method(method, args, expected_results):
if xpcom.verbose:
print "Testing %s%s" % (method.__name__, `args`)
ret = method(*args)
if ret != expected_results:
print_error("calling method %s - expected %r, but got %r" % (method.__name__, expected_results, ret))
def test_int_method(meth):
test_method(meth, (0,0), (0,0,0))
test_method(meth, (1,1), (2,0,1))
test_method(meth, (5,2), (7,3,10))
# test_method(meth, (2,5), (7,-3,10))
def test_constant(ob, cname, val):
v = getattr(ob, cname)
if v != val:
print_error("Bad value for constant '%s' - got '%r'" % (cname, v))
try:
setattr(ob, cname, 0)
print_error("The object allowed us to set the constant '%s'" % (cname,))
except AttributeError:
pass
def test_base_interface(c):
test_attribute(c, "boolean_value", 1, 0)
test_attribute(c, "boolean_value", 1, -1, 1) # Set a bool to anything, you should always get back 0 or 1
test_attribute(c, "boolean_value", 1, 4, 1) # Set a bool to anything, you should always get back 0 or 1
test_attribute(c, "boolean_value", 1, "1", 1) # This works by virtual of PyNumber_Int - not sure I agree, but...
test_attribute_failure(c, "boolean_value", "boo", ValueError)
test_attribute_failure(c, "boolean_value", test_base_interface, TypeError)
test_attribute(c, "octet_value", 2, 5)
test_attribute(c, "octet_value", 2, 0)
test_attribute(c, "octet_value", 2, 128) # octet is unsigned 8 bit
test_attribute(c, "octet_value", 2, 255) # octet is unsigned 8 bit
test_attribute(c, "octet_value", 2, -1, 255) # octet is unsigned 8 bit
test_attribute_failure(c, "octet_value", "boo", ValueError)
test_attribute(c, "short_value", 3, 10)
test_attribute(c, "short_value", 3, -1) # 16 bit signed
test_attribute(c, "short_value", 3, 0xFFFF, -1) # 16 bit signed
test_attribute(c, "short_value", 3, 0L)
test_attribute(c, "short_value", 3, 1L)
test_attribute(c, "short_value", 3, -1L)
test_attribute(c, "short_value", 3, 0xFFFFL, -1)
test_attribute_failure(c, "short_value", "boo", ValueError)
test_attribute(c, "ushort_value", 4, 5)
test_attribute(c, "ushort_value", 4, 0)
test_attribute(c, "ushort_value", 4, -1, 0xFFFF) # 16 bit signed
test_attribute(c, "ushort_value", 4, 0xFFFF) # 16 bit signed
test_attribute(c, "ushort_value", 4, 0L)
test_attribute(c, "ushort_value", 4, 1L)
test_attribute(c, "ushort_value", 4, -1L, 0xFFFF)
test_attribute_failure(c, "ushort_value", "boo", ValueError)
test_attribute(c, "long_value", 5, 7)
test_attribute(c, "long_value", 5, 0)
test_attribute(c, "long_value", 5, 0xFFFFFFFF, -1) # 32 bit signed.
test_attribute(c, "long_value", 5, -1) # 32 bit signed.
test_attribute(c, "long_value", 5, 0L)
test_attribute(c, "long_value", 5, 1L)
test_attribute(c, "long_value", 5, -1L)
test_attribute_failure(c, "long_value", 0xFFFFL * 0xFFFF, OverflowError) # long int too long to convert
test_attribute_failure(c, "long_value", "boo", ValueError)
test_attribute(c, "ulong_value", 6, 7)
test_attribute(c, "ulong_value", 6, 0)
test_attribute(c, "ulong_value", 6, 0xFFFFFFFF) # 32 bit signed.
test_attribute_failure(c, "ulong_value", "boo", ValueError)
test_attribute(c, "long_long_value", 7, 8)
test_attribute(c, "long_long_value", 7, 0)
test_attribute(c, "long_long_value", 7, -1)
test_attribute(c, "long_long_value", 7, 0xFFFF)
test_attribute(c, "long_long_value", 7, 0xFFFFL * 2)
test_attribute_failure(c, "long_long_value", 0xFFFFL * 0xFFFF * 0xFFFF * 0xFFFF, OverflowError) # long int too long to convert
test_attribute_failure(c, "long_long_value", "boo", ValueError)
test_attribute(c, "ulong_long_value", 8, 9)
test_attribute(c, "ulong_long_value", 8, 0)
test_attribute_failure(c, "ulong_long_value", "boo", ValueError)
test_attribute_failure(c, "ulong_long_value", -1, UnsignedMismatchException) # can't convert negative value to unsigned long)
test_attribute(c, "float_value", 9.0, 10.2)
test_attribute(c, "float_value", 9.0, 0)
test_attribute(c, "float_value", 9.0, -1)
test_attribute(c, "float_value", 9.0, 1L)
test_attribute_failure(c, "float_value", "boo", ValueError)
test_attribute(c, "double_value", 10.0, 9.0)
test_attribute(c, "double_value", 10.0, 0)
test_attribute(c, "double_value", 10.0, -1)
test_attribute(c, "double_value", 10.0, 1L)
test_attribute_failure(c, "double_value", "boo", ValueError)
test_attribute(c, "char_value", "a", "b")
test_attribute(c, "char_value", "a", "\0")
test_attribute_failure(c, "char_value", "xy", ValueError)
test_attribute(c, "char_value", "a", u"c")
test_attribute(c, "char_value", "a", u"\0")
test_attribute_failure(c, "char_value", u"xy", ValueError)
test_attribute(c, "wchar_value", "b", "a")
test_attribute(c, "wchar_value", "b", "\0")
test_attribute_failure(c, "wchar_value", "hi", ValueError)
test_attribute(c, "wchar_value", "b", u"a")
test_attribute(c, "wchar_value", "b", u"\0")
test_attribute_failure(c, "wchar_value", u"hi", ValueError)
test_attribute(c, "string_value", "cee", "dee")
test_attribute(c, "string_value", "cee", "a null >\0<", "a null >") # strings are NULL terminated!!
test_attribute(c, "string_value", "cee", "")
test_attribute(c, "string_value", "cee", u"dee")
test_attribute(c, "string_value", "cee", u"a null >\0<", "a null >") # strings are NULL terminated!!
test_attribute(c, "string_value", "cee", u"")
test_attribute(c, "wstring_value", "dee", "cee")
test_attribute(c, "wstring_value", "dee", "a null >\0<", "a null >") # strings are NULL terminated!!
test_attribute(c, "wstring_value", "dee", "")
test_attribute(c, "wstring_value", "dee", really_big_string)
test_attribute(c, "wstring_value", "dee", u"cee")
test_attribute(c, "wstring_value", "dee", u"a null >\0<", "a null >") # strings are NULL terminated!!
test_attribute(c, "wstring_value", "dee", u"")
test_attribute(c, "wstring_value", "dee", really_big_wstring)
# This will fail internal string representation :( Test we don't crash
try:
c.wstring_value = "a big char >" + chr(129) + "<"
print_error("strings with chars > 128 appear to have stopped failing?")
except UnicodeError:
pass
test_attribute(c, "iid_value", component_iid, new_iid)
test_attribute(c, "iid_value", component_iid, str(new_iid), new_iid)
test_attribute(c, "iid_value", component_iid, xpcom._xpcom.IID(new_iid))
test_attribute_failure(c, "no_attribute", "boo", AttributeError)
test_attribute(c, "interface_value", None, c)
test_attribute_failure(c, "interface_value", 2, TypeError)
test_attribute(c, "isupports_value", None, c)
# The methods
test_method(c.do_boolean, (0,1), (1,0,1))
test_method(c.do_boolean, (1,0), (1,0,1))
test_method(c.do_boolean, (1,1), (0,1,0))
test_int_method(c.do_octet)
test_int_method(c.do_short)
test_int_method(c.do_unsigned_short)
test_int_method(c.do_long)
test_int_method(c.do_unsigned_long)
test_int_method(c.do_long_long)
test_int_method(c.do_unsigned_long)
test_int_method(c.do_float)
test_int_method(c.do_double)
test_method(c.do_char, ("A", " "), (chr(ord("A")+ord(" ")), " ","A") )
test_method(c.do_char, ("A", "\0"), ("A", "\0","A") )
test_method(c.do_wchar, ("A", " "), (chr(ord("A")+ord(" ")), " ","A") )
test_method(c.do_wchar, ("A", "\0"), ("A", "\0","A") )
test_method(c.do_string, ("Hello from ", "Python"), ("Hello from Python", "Hello from ", "Python") )
test_method(c.do_string, (u"Hello from ", u"Python"), ("Hello from Python", "Hello from ", "Python") )
test_method(c.do_string, (None, u"Python"), ("Python", None, "Python") )
test_method(c.do_string, (None, really_big_string), (really_big_string, None, really_big_string) )
test_method(c.do_string, (None, really_big_wstring), (really_big_string, None, really_big_string) )
test_method(c.do_wstring, ("Hello from ", "Python"), ("Hello from Python", "Hello from ", "Python") )
test_method(c.do_wstring, (u"Hello from ", u"Python"), ("Hello from Python", "Hello from ", "Python") )
test_method(c.do_string, (None, really_big_wstring), (really_big_wstring, None, really_big_wstring) )
test_method(c.do_string, (None, really_big_string), (really_big_wstring, None, really_big_wstring) )
test_method(c.do_nsIIDRef, (component_iid, new_iid), (component_iid, component_iid, new_iid))
test_method(c.do_nsIIDRef, (new_iid, component_iid), (new_iid, component_iid, component_iid))
test_method(c.do_nsIPythonTestInterface, (None, None), (None, None, c))
test_method(c.do_nsIPythonTestInterface, (c, c), (c, c, c))
test_method(c.do_nsISupports, (None, None), (c, None, None))
test_method(c.do_nsISupports, (c,c), (c, c, c))
test_method(c.do_nsISupportsIs, (xpcom._xpcom.IID_nsISupports,), c)
test_method(c.do_nsISupportsIs, (xpcom.components.interfaces.nsIPythonTestInterface,), c)
## test_method(c.do_nsISupportsIs2, (xpcom.components.interfaces.nsIPythonTestInterface,c), (xpcom.components.interfaces.nsIPythonTestInterface,c))
## test_method(c.do_nsISupportsIs3, (c,), (xpcom.components.interfaces.nsIPythonTestInterface,c))
## test_method(c.do_nsISupportsIs4, (), (xpcom.components.interfaces.nsIPythonTestInterface,c))
# Test the constants.
test_constant(c, "One", 1)
test_constant(c, "Two", 2)
test_constant(c, "MinusOne", -1)
test_constant(c, "BigLong", 0x7FFFFFFF)
test_constant(c, "BigULong", 0xFFFFFFFF)
# Test the components.Interfaces semantics
i = xpcom.components.interfaces.nsIPythonTestInterface
test_constant(i, "One", 1)
test_constant(i, "Two", 2)
test_constant(i, "MinusOne", -1)
test_constant(i, "BigLong", 0x7FFFFFFF)
test_constant(i, "BigULong", 0xFFFFFFFF)
def test_derived_interface(c, test_flat = 0):
val = "Hello\0there"
expected = val * 2
test_method(c.DoubleString, (val,), expected)
test_method(c.DoubleString2, (val,), expected)
test_method(c.DoubleString3, (val,), expected)
test_method(c.DoubleString4, (val,), expected)
test_method(c.UpString, (val,), val.upper())
test_method(c.UpString2, (val,), val.upper())
test_method(c.GetFixedString, (20,), "A"*20)
val = u"Hello\0there"
expected = val * 2
test_method(c.DoubleWideString, (val,), expected)
test_method(c.DoubleWideString2, (val,), expected)
test_method(c.DoubleWideString3, (val,), expected)
test_method(c.DoubleWideString4, (val,), expected)
test_method(c.UpWideString, (val,), val.upper())
test_method(c.UpWideString2, (val,), val.upper())
test_method(c.GetFixedWideString, (20,), u"A"*20)
val = u"The Euro Symbol is '\u20ac'"
test_method(c.CopyUTF8String, ("foo",), "foo")
test_method(c.CopyUTF8String, (u"foo",), "foo")
test_method(c.CopyUTF8String, (val,), val)
test_method(c.CopyUTF8String, (val.encode("utf8"),), val)
test_method(c.CopyUTF8String2, ("foo",), "foo")
test_method(c.CopyUTF8String2, (u"foo",), "foo")
test_method(c.CopyUTF8String2, (val,), val)
test_method(c.CopyUTF8String2, (val.encode("utf8"),), val)
items = [1,2,3,4,5]
test_method(c.MultiplyEachItemInIntegerArray, (3, items,), map(lambda i:i*3, items))
test_method(c.MultiplyEachItemInIntegerArrayAndAppend, (3, items), items + map(lambda i:i*3, items))
items = "Hello from Python".split()
expected = map( lambda x: x*2, items)
test_method(c.DoubleStringArray, (items,), expected)
test_method(c.CompareStringArrays, (items, items), cmp(items, items))
# Can we pass lists and tuples correctly?
test_method(c.CompareStringArrays, (items, tuple(items)), cmp(items, items))
items2 = ["Not", "the", "same"]
test_method(c.CompareStringArrays, (items, items2), cmp(items, items2))
expected = items[:]
expected.reverse()
test_method(c.ReverseStringArray, (items,), expected)
expected = "Hello from the Python test component".split()
test_method(c.GetStrings, (), expected)
val = "Hello\0there"
test_method(c.UpOctetArray, (val,), val.upper())
test_method(c.UpOctetArray, (unicode(val),), val.upper())
# Passing Unicode objects here used to cause us grief.
test_method(c.UpOctetArray2, (val,), val.upper())
test_method(c.CheckInterfaceArray, ((c, c),), 1)
test_method(c.CheckInterfaceArray, ((c, None),), 0)
test_method(c.CheckInterfaceArray, ((),), 1)
test_method(c.CopyInterfaceArray, ((c, c),), [c,c])
test_method(c.GetInterfaceArray, (), [c,c,c, None])
test_method(c.ExtendInterfaceArray, ((c,c,c, None),), [c,c,c,None,c,c,c,None] )
expected = [xpcom.components.interfaces.nsIPythonTestInterfaceDOMStrings, xpcom.components.classes[contractid].clsid]
test_method(c.GetIIDArray, (), expected)
val = [xpcom.components.interfaces.nsIPythonTestInterfaceExtra, xpcom.components.classes[contractid].clsid]
expected = val * 2
test_method(c.ExtendIIDArray, (val,), expected)
test_method(c.GetArrays, (), ( [1,2,3], [4,5,6] ) )
test_method(c.CopyArray, ([1,2,3],), [1,2,3] )
test_method(c.CopyAndDoubleArray, ([1,2,3],), [1,2,3,1,2,3] )
test_method(c.AppendArray, ([1,2,3],), [1,2,3])
test_method(c.AppendArray, ([1,2,3],[4,5,6]), [1,2,3,4,5,6])
test_method(c.CopyVariant, (None,), None)
test_method(c.CopyVariant, (1,), 1)
test_method(c.CopyVariant, (1.0,), 1.0)
test_method(c.CopyVariant, (-1,), -1)
test_method(c.CopyVariant, (sys.maxint+1,), sys.maxint+1)
test_method(c.CopyVariant, ("foo",), "foo")
test_method(c.CopyVariant, (u"foo",), u"foo")
test_method(c.CopyVariant, (c,), c)
test_method(c.CopyVariant, (component_iid,), component_iid)
test_method(c.CopyVariant, ((1,2),), [1,2])
test_method(c.CopyVariant, ((1.2,2.1),), [1.2,2.1])
test_method(c.CopyVariant, (("foo","bar"),), ["foo", "bar"])
test_method(c.CopyVariant, ((component_iid,component_iid),), [component_iid,component_iid])
test_method(c.CopyVariant, ((c,c),), [c,c])
test_method(c.AppendVariant, (1,2), 3)
test_method(c.AppendVariant, ((1,2),(3,4)), 10)
test_method(c.AppendVariant, ("bar", "foo"), "foobar")
test_method(c.AppendVariant, (None, None), None)
if not test_flat:
c = c.queryInterface(xpcom.components.interfaces.nsIPythonTestInterfaceDOMStrings)
# NULL DOM strings don't work yet.
# test_method(c.GetDOMStringResult, (-1,), None)
test_method(c.GetDOMStringResult, (3,), "PPP")
# test_method(c.GetDOMStringOut, (-1,), None)
test_method(c.GetDOMStringOut, (4,), "yyyy")
val = "Hello there"
test_method(c.GetDOMStringLength, (val,), len(val))
test_method(c.GetDOMStringRefLength, (val,), len(val))
test_method(c.GetDOMStringPtrLength, (val,), len(val))
test_method(c.ConcatDOMStrings, (val,val), val+val)
test_attribute(c, "domstring_value", "dom", "new dom")
if c.domstring_value_ro != "dom":
print "Read-only DOMString not currect - got", c.domstring_ro
try:
c.dom_string_ro = "new dom"
print "Managed to set a readonly attribute - eek!"
except AttributeError:
pass
except:
print "Unexpected exception when setting readonly attribute: %s: %s" % (sys.exc_info()[0], sys.exc_info()[1])
if c.domstring_value_ro != "dom":
print "Read-only DOMString not correct after failed set attempt - got", c.domstring_ro
def do_test_failures():
c = xpcom.client.Component(contractid, xpcom.components.interfaces.nsIPythonTestInterfaceExtra)
try:
ret = c.do_nsISupportsIs( xpcom._xpcom.IID_nsIInterfaceInfoManager )
print "*** got", ret, "***"
raise RuntimeError, "We worked when using an IID we dont support!?!"
except xpcom.Exception, details:
if details.errno != xpcom.nsError.NS_ERROR_NO_INTERFACE:
raise RuntimeError, "Wrong COM exception type: %r" % (details,)
def test_failures():
# This extra stack-frame ensures Python cleans up sys.last_traceback etc
do_test_failures()
def test_all():
c = xpcom.client.Component(contractid, xpcom.components.interfaces.nsIPythonTestInterface)
test_base_interface(c)
# Now create an instance using the derived IID, and test that.
c = xpcom.client.Component(contractid, xpcom.components.interfaces.nsIPythonTestInterfaceExtra)
test_base_interface(c)
test_derived_interface(c)
# Now create an instance and test interface flattening.
c = xpcom.components.classes[contractid].createInstance()
test_base_interface(c)
test_derived_interface(c, test_flat=1)
# We had a bug where a "set" of an attribute before a "get" failed.
# Don't let it happen again :)
c = xpcom.components.classes[contractid].createInstance()
c.boolean_value = 0
# This name is used in exceptions etc - make sure we got it from nsIClassInfo OK.
assert c._object_name_ == "Python.TestComponent"
test_failures()
try:
from sys import gettotalrefcount
except ImportError:
# Not a Debug build - assume no references (can't be leaks then :-)
def gettotalrefcount():
return 0
def test_from_js():
# Ensure we can find the js test script - same dir as this!
# Assume the path of sys.argv[0] is where we can find the js test code.
# (Running under the regression test is a little painful)
script_dir = os.path.split(sys.argv[0])[0]
fname = os.path.join( script_dir, "test_test_component.js")
if not os.path.isfile(fname):
raise RuntimeError, "Can not find '%s'" % (fname,)
# Note we _dont_ pump the test output out, as debug "xpcshell" spews
# extra debug info that will cause our output comparison to fail.
try:
data = os.popen('xpcshell "' + fname + '"').readlines()
good = 0
for line in data:
if line.strip() == "javascript successfully tested the Python test component.":
good = 1
if good:
print "Javascript could successfully use the Python test component."
else:
print "** The javascript test appeared to fail! Test output follows **"
print "".join(data)
print "** End of javascript test output **"
except os.error, why:
print "Error executing the javascript test program:", why
def doit(num_loops = -1):
if "-v" in sys.argv: # Hack the verbose flag for the server
xpcom.verbose = 1
# Do the test lots of times - can help shake-out ref-count bugs.
print "Testing the Python.TestComponent component"
if num_loops == -1: num_loops = 10
for i in xrange(num_loops):
test_all()
if i==0:
# First loop is likely to "leak" as we cache things.
# Leaking after that is a problem.
num_refs = gettotalrefcount()
if num_errors:
break
lost = gettotalrefcount() - num_refs
# Sometimes we get spurious counts off by 1 or 2.
# This can't indicate a real leak, as we have looped
# more than twice!
if abs(lost)>2:
print "*** Lost %d references" % (lost,)
if num_errors:
print "There were", num_errors, "errors testing the Python component :-("
else:
print "The Python test component worked!"
# regrtest doesnt like if __name__=='__main__' blocks - it fails when running as a test!
num_iters = -1
if __name__=='__main__' and len(sys.argv) > 1:
num_iters = int(sys.argv[1])
doit(num_iters)
test_from_js()
if __name__=='__main__':
# But we can only do this if _not_ testing - otherwise we
# screw up any tests that want to run later.
xpcom._xpcom.NS_ShutdownXPCOM()
ni = xpcom._xpcom._GetInterfaceCount()
ng = xpcom._xpcom._GetGatewayCount()
if ni or ng:
print "********* WARNING - Leaving with %d/%d objects alive" % (ni,ng)
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