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# test overloaded java methods dispatch logic in PyReflectedFunction
# needs to grow more tests. Uses javatests.JOverload as a bag of overloaded methods.
# (can be adapted to test alternative re-implemations even while they are developed
# write a *Envl class and change/add to to_test for that)
import sys
import unittest
import java
from java.util import ArrayList
from javatests import JOverload, Reflection
from org.python.core import PyReflectedFunction
class PyReflFuncEnvl:
def __init__(self,name,meths):
self.reflfunc = PyReflectedFunction(meths)
def __call__(self,inst,args):
return self.reflfunc(inst,*args)
def extract_ov_meths(jcl,envl_class):
meths = java.lang.Class.getDeclaredMethods(jcl)
names = [ m.name for m in meths]
meth_dict = {}
for name in names:
if name.startswith('ov_') and not meth_dict.has_key(name):
meth_dict[name] = envl_class(name,[ m for m in meths if m.name == name ])
return meth_dict
jo = JOverload()
to_test = [extract_ov_meths(JOverload,PyReflFuncEnvl)]
class OverloadedDispatchTests(unittest.TestCase):
def check(self,lbl,rng,args,expected):
expected = expected.split()
for meth_dict in to_test:
for i,expect in zip(rng,expected):
self.assertEqual(meth_dict['ov_%s%s' % (lbl,i)](jo,args),expect)
def test_posprec(self):
self.check('posprec',[1,2],[0,0],
"(int,long) (long,int)")
def test_scal_int_zero(self):
self.check('scal',xrange(1,15),[0],
"""
(long)
(int)
(short)
(byte)
(byte)
(double)
(float)
(boolean)
(java.io.Serializable)
(java.io.Serializable)
(java.io.Serializable)
(java.io.Serializable)
(java.io.Serializable)
(java.lang.Object)
""")
def test_scal_string(self):
self.check('scal',xrange(1,15),['str'],
"""
(java.lang.String)
(java.lang.String)
(java.lang.String)
(java.lang.String)
(java.lang.String)
(java.lang.String)
(java.lang.String)
(java.lang.String)
(java.lang.String)
(java.io.Serializable)
(java.io.Serializable)
(java.io.Serializable)
(java.io.Serializable)
(java.lang.Object)
""")
def test_scal_char(self):
self.check('scal',xrange(1,15),['c'],
"""
(char)
(char)
(char)
(char)
(java.lang.String)
(java.lang.String)
(java.lang.String)
(java.lang.String)
(java.lang.String)
(java.io.Serializable)
(java.io.Serializable)
(java.io.Serializable)
(java.io.Serializable)
(java.lang.Object)
""")
def test_scal_float_one(self):
self.check('scal',xrange(1,15),[1.0],
"""
(double)
(double)
(double)
(double)
(double)
(double)
(float)
(java.io.Serializable)
(java.io.Serializable)
(java.io.Serializable)
(java.io.Serializable)
(java.io.Serializable)
(java.io.Serializable)
(java.lang.Object)
""")
class VarargsDispatchTests(unittest.TestCase):
def test_strings(self):
t = Reflection.StringVarargs()
self.assertEqual(t.test("abc", "xyz"),
"String...:[abc, xyz]")
self.assertEqual(t.test("abc"),
"String...:[abc]")
self.assertEqual(t.test(),
"String...:[]")
self.assertEqual(t.test(["abc", "xyz"]),
"String...:[abc, xyz]")
self.assertEqual(t.test(["abc"]),
"String...:[abc]")
self.assertEqual(t.test([]),
"String...:[]")
def test_lists(self):
t = Reflection.ListVarargs()
self.assertEqual(t.test(ArrayList([1,2,3]), ArrayList([4,5,6])),
"List...:[[1, 2, 3], [4, 5, 6]]")
self.assertEqual(t.test(ArrayList([1,2,3])),
"List...:[[1, 2, 3]]")
self.assertEqual(t.test(),
"List...:[]")
self.assertEqual(t.test([ArrayList([1,2,3]), ArrayList([4,5,6])]),
"List...:[[1, 2, 3], [4, 5, 6]]")
self.assertEqual(t.test([ArrayList([1,2,3])]),
"List...:[[1, 2, 3]]")
self.assertEqual(t.test([]),
"List...:[]")
class ComplexOverloadingTests(unittest.TestCase):
def test_complex(self):
o = Reflection.Overloaded()
self.assertEqual(o(2.), "class java.lang.Double=2.0")
self.assertEqual(o(1+2j), "class org.python.core.PyComplex=(1+2j)")
def printout(meth_dict,lbl,rng,args):
for i in rng:
print meth_dict['ov_%s%s' % (lbl,i)](jo,args)
if __name__ == '__main__' and not sys.argv[1:] == ['break-out']:
try:
import test_support
except ImportError:
unittest.main()
else:
test_support.run_unittest(OverloadedDispatchTests, VarargsDispatchTests, ComplexOverloadingTests)
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