/usr/lib/python2.7/dist-packages/rpy2/rinterface/tests/test_SexpEnvironment.py is in python-rpy2 2.8.5-1.
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import sys
import rpy2.rinterface as rinterface
if sys.version_info[0] == 3:
is_py3 = True
else:
is_py3 = False
rinterface.initr()
class SexpEnvironmentTestCase(unittest.TestCase):
def setUp(self):
self.console = rinterface.get_writeconsole_regular()
def noconsole(x):
pass
rinterface.set_writeconsole_regular(noconsole)
def tearDown(self):
rinterface.set_writeconsole_regular(self.console)
def testNew(self):
sexp = rinterface.globalenv
sexp_new = rinterface.SexpEnvironment(sexp)
idem = rinterface.globalenv.get("identical")
self.assertTrue(idem(sexp, sexp_new)[0])
sexp_new2 = rinterface.Sexp(sexp)
self.assertTrue(idem(sexp, sexp_new2)[0])
del(sexp)
self.assertTrue(idem(sexp_new, sexp_new2)[0])
self.assertRaises(ValueError, rinterface.SexpEnvironment, '2')
def testGlobalEnv(self):
ok = isinstance(rinterface.globalenv, rinterface.SexpEnvironment)
self.assertTrue(ok)
def testGetClosure(self):
help_R = rinterface.globalenv.get("help")
ok = isinstance(help_R, rinterface.SexpClosure)
self.assertTrue(ok)
def testGetVector(self):
pi_R = rinterface.globalenv.get("pi")
ok = isinstance(pi_R, rinterface.SexpVector)
self.assertTrue(ok)
def testGetEnvironment(self):
ge_R = rinterface.globalenv.get(".GlobalEnv")
ok = isinstance(ge_R, rinterface.SexpEnvironment)
self.assertTrue(ok)
def testGetOnlyFromLoadedLibrary(self):
self.assertRaises(LookupError, rinterface.globalenv.get, "survfit")
rinterface.globalenv.get("library")(rinterface.StrSexpVector(["survival", ]))
sfit_R = rinterface.globalenv.get("survfit")
ok = isinstance(sfit_R, rinterface.SexpClosure)
self.assertTrue(ok)
def testGet_functionOnly_lookupError(self):
# now with the function-only option
self.assertRaises(LookupError,
rinterface.globalenv.get, "pi", wantfun = True)
def testGet_functionOnly(self):
hist = rinterface.globalenv.get("hist", wantfun = False)
self.assertEqual(rinterface.CLOSXP, hist.typeof)
rinterface.globalenv["hist"] = rinterface.SexpVector(["foo", ],
rinterface.STRSXP)
hist = rinterface.globalenv.get("hist", wantfun = True)
self.assertEqual(rinterface.CLOSXP, hist.typeof)
def testGet_emptyString(self):
self.assertRaises(ValueError, rinterface.globalenv.get, "")
def testSubscript(self):
ge = rinterface.globalenv
obj = rinterface.globalenv.get("letters")
ge["a"] = obj
a = rinterface.globalenv["a"]
ok = ge.get("identical")(obj, a)
self.assertTrue(ok[0])
@unittest.skipUnless(is_py3,
"unicode keys are only implemented in Python 3.")
def testSubscript_utf8(self):
env = rinterface.baseenv['new.env']()
env[u'呵呵'] = rinterface.IntSexpVector((1,))
self.assertEqual(1, len(env))
self.assertEqual(1, len(env[u'呵呵']))
self.assertEqual(1, env[u'呵呵'][0])
@unittest.skipUnless(is_py3,
"unicode keys are only implemented in Python 3.")
def testSubscript_missing_utf8(self):
env = rinterface.baseenv['new.env']()
self.assertRaises(KeyError, env.__getitem__, u'呵呵')
@unittest.skipIf(is_py3,
"Invalid unicode keys is a rpy2 limitation with Python 2.")
def testSubscript_no_utf8(self):
env = rinterface.baseenv['new.env']()
self.assertRaises(ValueError, env.__getitem__, u'x')
def testSubscript_emptyString(self):
ge = rinterface.globalenv
self.assertRaises(KeyError, ge.__getitem__, "")
def testLength(self):
newEnv = rinterface.globalenv.get("new.env")
env = newEnv()
self.assertEqual(0, len(env))
env["a"] = rinterface.SexpVector([123, ], rinterface.INTSXP)
self.assertEqual(1, len(env))
env["b"] = rinterface.SexpVector([123, ], rinterface.INTSXP)
self.assertEqual(2, len(env))
def testIter(self):
newEnv = rinterface.globalenv.get("new.env")
env = newEnv()
env["a"] = rinterface.SexpVector([123, ], rinterface.INTSXP)
env["b"] = rinterface.SexpVector([456, ], rinterface.INTSXP)
symbols = [x for x in env]
self.assertEqual(2, len(symbols))
for s in ["a", "b"]:
self.assertTrue(s in symbols)
def testKeys(self):
newEnv = rinterface.globalenv.get("new.env")
env = newEnv()
env["a"] = rinterface.SexpVector([123, ], rinterface.INTSXP)
env["b"] = rinterface.SexpVector([456, ], rinterface.INTSXP)
symbols = env.keys()
self.assertEqual(2, len(symbols))
for s in ["a", "b"]:
self.assertTrue(s in symbols)
def testDel(self):
env = rinterface.globalenv.get("new.env")()
env["a"] = rinterface.SexpVector([123, ], rinterface.INTSXP)
env["b"] = rinterface.SexpVector([456, ], rinterface.INTSXP)
self.assertEqual(2, len(env))
del(env['a'])
self.assertEqual(1, len(env))
self.assertTrue('b' in env)
def testDelKeyError(self):
self.assertRaises(KeyError, rinterface.globalenv.__delitem__, 'foo')
def testDelBaseError(self):
self.assertRaises(ValueError, rinterface.baseenv.__delitem__, 'letters')
def suite():
suite = unittest.TestLoader().loadTestsFromTestCase(SexpEnvironmentTestCase)
return suite
if __name__ == '__main__':
tr = unittest.TextTestRunner(verbosity = 2)
tr.run(suite())
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