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from __future__ import nested_scopes
import unittest
import sys
try:
from numpy import *
ArrayLib='NumPy'
except ImportError:
try:
from Numeric import *
ArrayLib='Numeric'
except ImportError:
print '\nNumeric not available. Skipping.\n'
sys.exit(0)
import sys
sys.path.insert(1, "..")
from rpy import *
idx = r['[[']
idx.autoconvert(NO_CONVERSION)
def to_r(obj):
# For some reason, these two lines stop working after a few
# iterations of `testall.py --loop'. I'm not sure why
# r.list.autoconvert(NO_CONVERSION)
# return idx(r.list(obj),1)
# These three lines accomplish the same thing, but more
# doesn't stop working after a few iterations.
f = r("function(x) x")
f.autoconvert(NO_CONVERSION)
return f(obj)
class ArrayTestCase(unittest.TestCase):
def setUp(self):
set_default_mode(NO_DEFAULT)
py = array(range(24))
self.py = reshape(py, (2,3,4))
py_to_r = to_r(self.py)
self.py_c = py_to_r.as_py()
r.array.autoconvert(NO_CONVERSION)
self.ra = r.array(range(24), dim=(2,3,4))
ra_to_py = self.ra.as_py()
self.ra_c = to_r(ra_to_py)
r.array.autoconvert(PROC_CONVERSION)
def testZeroDimToR(self):
set_default_mode(NO_CONVERSION)
a = zeros((0,7))
ra = r.c(a)
set_default_mode(NO_DEFAULT)
self.failUnless(r.is_null(ra))
def testZeroDimToPy(self):
self.failUnless(r.array(0,dim=(0,7)) == None)
def testToPyDimensions(self):
self.failUnless(self.py_c.shape == self.py.shape,
'wrong dimensions in Numeric array')
def testToRDimensions(self):
self.failUnless(r.dim(self.ra) == r.dim(self.ra_c),
'wrong dimensions in R array')
def testPyElements(self):
self.failUnless(self.py[0,0,0] == self.py_c[0,0,0] and
self.py[1,2,3] == self.py_c[1,2,3] and
self.py[1,1,2] == self.py_c[1,1,2] and
self.py[1,0,3] == self.py_c[1,0,3],
'Numeric array not equal')
def testRElements(self):
try:
idx.autoconvert(BASIC_CONVERSION)
self.failUnless(idx(self.ra, 1,1,1) == idx(self.ra_c, 1,1,1) and
idx(self.ra, 2,3,4) == idx(self.ra_c, 2,3,4) and
idx(self.ra, 2,2,3) == idx(self.ra_c, 2,2,3) and
idx(self.ra, 2,1,4) == idx(self.ra_c, 2,1,4),
'R array not equal')
finally:
idx.autoconvert(NO_CONVERSION)
def testPyOutOfBounds(self):
self.failUnlessRaises(IndexError, lambda: self.py_c[5,5,5])
def testROutOfBounds(self):
self.failUnlessRaises(RPyException, lambda: idx(self.ra_c, 5,5,5))
def test64BitIntArray(self):
# 64 bit ints
try:
if(ArrayLib=='NumPy'):
a = array( [1,2,3], 'Int64' )
else:
a = array( [1,2,3], Int64 )
except:
print "\nInt64 not found (32 bit platform?), skipping this test.\n"
return
b = r.c(a)
def test32BitIntArray(self):
# 32 bit ints
if(ArrayLib=='NumPy'):
a = array( [1,2,3], 'Int32' )
else:
a = array( [1,2,3], Int32 )
b = r.c(a)
def test16BitIntArray(self):
# 16 bit ints
if(ArrayLib=='NumPy'):
a = array( [1,2,3], 'Int16' )
else:
a = array( [1,2,3], Int16 )
b = r.c(a)
def test8BitIntArray(self):
# 8 bit ints
if(ArrayLib=='NumPy'):
a = array( [1,2,3], 'Int8' )
else:
a = array( [1,2,3], Int8 )
b = r.c(a)
def testBoolArray(self):
# 8 bit ints
if(ArrayLib=='NumPy'):
a = array( [1,2,3], 'Bool' )
else:
print "\nBool arrays not supported by Numeric, skipping this test.\n"
return
b = r.c(a)
def test64BitFloatArray(self):
if(ArrayLib=='NumPy'):
a = array( [1,2,3], 'Float64' )
else:
a = array( [1,2,3], Float64 )
b = r.c(a)
def test32BitFloatArray(self):
# 32 bit ints
if(ArrayLib=='NumPy'):
a = array( [1,2,3], 'Float32' )
else:
a = array( [1,2,3], Float32 )
b = r.c(a)
def testCharArray(self):
if(ArrayLib=='NumPy'):
a = array( ['A', 'B', 'C'], character )
else:
a = array( ['A', 'B', 'C'], Character )
self.failUnlessRaises(RPyTypeConversionException, lambda: r.c(a) )
def testStringArray(self):
if(ArrayLib=='NumPy'):
a = array( ['ABCDEFHIJKLM', 'B', 'C C C'], 'S10' )
else: # not available on Numeric
print "\nString arrays not supported by Numeric, skipping this test.\n"
return
self.failUnlessRaises(RPyTypeConversionException, lambda: r.c(a) )
def testObjArray(self):
if(ArrayLib=='NumPy'):
a = array( ['A','B', 'C'], 'object' )
else:
a = array( ['A','B', 'C'], PyObject )
self.failUnlessRaises(RPyTypeConversionException, lambda: r.c(a) )
def test64BitIntScalar(self):
# 64 bit ints
try:
if(ArrayLib=='NumPy'):
a = array( [1,2,3], 'Int64' )
else:
a = array( [1,2,3], Int64 )
except:
print "\nInt64 not found (32 bit platform?), skipping this test.\n"
return
b = r.c(a[0])
def test32BitIntScalar(self):
# 32 bit ints
if(ArrayLib=='NumPy'):
a = array( [1,2,3], 'Int32' )
else:
a = array( [1,2,3], Int32 )
b = r.c(a[0])
def test16BitIntScalar(self):
# 16 bit ints
if(ArrayLib=='NumPy'):
a = array( [1,2,3], 'Int16' )
else:
a = array( [1,2,3], Int16 )
b = r.c(a[0])
def test8BitIntScalar(self):
# 8 bit ints
if(ArrayLib=='NumPy'):
a = array( [1,2,3], 'Int8' )
else:
a = array( [1,2,3], Int8 )
b = r.c(a[0])
def testBoolScalar(self):
# 8 bit ints
if(ArrayLib=='NumPy'):
a = array( [1,2,3], 'Bool' )
else:
print "\nBool arrays not supported by Numeric, skipping this test.\n"
return
b = r.c(a[0])
def test64BitFloatScalar(self):
if(ArrayLib=='NumPy'):
a = array( [1,2,3], 'Float64' )
else:
a = array( [1,2,3], Float64 )
b = r.c(a[0])
def test32BitFloatScalar(self):
if(ArrayLib=='NumPy'):
a = array( [1,2,3], 'Float32' )
else:
a = array( [1,2,3], Float32 )
b = r.c(a[0])
def testCharScalar(self):
if(ArrayLib=='NumPy'):
a = array( ['A', 'B', 'C'], character )
self.failUnless( r.c(a[0])=='A' )
else:
# RPy does not handle translation oc Numeric.Character objects
a = array( ['A', 'B', 'C'], Character )
self.failUnlessRaises( RPyTypeConversionException, lambda:r.c(a[0])=='A' )
def testStringScalar(self):
if(ArrayLib=='NumPy'):
a = array( ['ABCDEFHIJKLM', 'B', 'C C C'], 'S10' )
self.failUnless( r.c(a[0])=='ABCDEFHIJK' )
else:
# String class not available on Numeric
print "\nString arrays not supported by Numeric, skipping this test.\n"
return
def testObjScalar(self):
if(ArrayLib=='NumPy'):
a = array( ['A', 'B', 'C'], 'object' )
else:
a = array( ['A', 'B', 'C'], PyObject )
self.failUnless( r.c(a[0])=='A' )
if __name__ == '__main__':
unittest.main()
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