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import unittest
import rpy2.rinterface as rinterface
import rpy2.rlike.container as rlc
rinterface.initr()
class SexpClosureTestCase(unittest.TestCase):
def setUp(self):
self.console = rinterface.get_writeconsole()
def noconsole(x):
pass
rinterface.set_writeconsole(noconsole)
def tearDown(self):
rinterface.set_writeconsole(self.console)
def testNew(self):
x = "a"
self.assertRaises(ValueError, rinterface.SexpClosure, x)
def testTypeof(self):
sexp = rinterface.globalenv.get("plot")
self.assertEqual(sexp.typeof, rinterface.CLOSXP)
def testRError(self):
sum = rinterface.baseenv["sum"]
letters = rinterface.baseenv["letters"]
self.assertRaises(rinterface.RRuntimeError, sum, letters)
def testClosureenv(self):
exp = rinterface.parse("function(x) { x[y] }")
fun = rinterface.baseenv["eval"](exp)
vec = rinterface.baseenv["letters"]
self.assertRaises(rinterface.RRuntimeError, fun, vec)
fun.closureenv()["y"] = rinterface.SexpVector([1, ],
rinterface.INTSXP)
self.assertEqual('a', fun(vec)[0])
fun.closureenv()["y"] = rinterface.SexpVector([2, ],
rinterface.INTSXP)
self.assertEqual('b', fun(vec)[0])
def testCallS4SetClass(self):
# R's package "methods" can perform uncommon operations
r_setClass = rinterface.globalenv.get('setClass')
r_representation = rinterface.globalenv.get('representation')
attrnumeric = rinterface.SexpVector(["numeric", ],
rinterface.STRSXP)
classname = rinterface.SexpVector(['Track', ], rinterface.STRSXP)
classrepr = r_representation(x = attrnumeric,
y = attrnumeric)
r_setClass(classname,
classrepr)
def testRcallOrdDict(self):
ad = rlc.OrdDict((('a', rinterface.SexpVector([2, ],
rinterface.INTSXP)),
('b', rinterface.SexpVector([1, ],
rinterface.INTSXP)),
(None, rinterface.SexpVector([5, ],
rinterface.INTSXP)),
('c', rinterface.SexpVector([0, ],
rinterface.INTSXP))))
mylist = rinterface.baseenv['list'].rcall(tuple(ad.items()),
rinterface.globalenv)
names = [x for x in mylist.do_slot("names")]
for i in range(4):
self.assertEqual(('a', 'b', '', 'c')[i], names[i])
def testRcallOrdDictEnv(self):
ad = rlc.OrdDict( ((None, rinterface.parse('sum(x)')),) )
env_a = rinterface.baseenv['new.env']()
env_a['x'] = rinterface.IntSexpVector([1,2,3])
sum_a = rinterface.baseenv['eval'].rcall(tuple(ad.items()),
env_a)
self.assertEqual(6, sum_a[0])
env_b = rinterface.baseenv['new.env']()
env_b['x'] = rinterface.IntSexpVector([4,5,6])
sum_b = rinterface.baseenv['eval'].rcall(tuple(ad.items()),
env_b)
self.assertEqual(15, sum_b[0])
def testErrorInCall(self):
mylist = rinterface.baseenv['list']
self.assertRaises(ValueError, mylist, 'foo')
def testMissingArg(self):
exp = rinterface.parse("function(x) { missing(x) }")
fun = rinterface.baseenv["eval"](exp)
nonmissing = rinterface.SexpVector([0, ], rinterface.INTSXP)
missing = rinterface.MissingArg
self.assertEqual(False, fun(nonmissing)[0])
self.assertEqual(True, fun(missing)[0])
def testScalarConvertInteger(self):
self.assertEqual('integer',
rinterface.baseenv["typeof"](1)[0])
def testScalarConvertLong(self):
self.assertEqual('integer',
rinterface.baseenv["typeof"](long(1))[0])
def testScalarConvertDouble(self):
self.assertEqual('double',
rinterface.baseenv["typeof"](1.0)[0])
def testScalarConvertBoolean(self):
self.assertEqual('logical',
rinterface.baseenv["typeof"](True)[0])
def suite():
suite = unittest.TestLoader().loadTestsFromTestCase(SexpClosureTestCase)
return suite
if __name__ == '__main__':
tr = unittest.TextTestRunner(verbosity = 2)
tr.run(suite())
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