#! /usr/bin/env python
# System imports
from distutils.util import get_platform
import os
import sys
import unittest
# Import NumPy
import numpy as np
major, minor = [ int(d) for d in np.__version__.split(".")[:2] ]
if major == 0:
BadListError = TypeError
else:
BadListError = ValueError
import Array
######################################################################
class Array1TestCase(unittest.TestCase):
def setUp(self):
self.length = 5
self.array1 = Array.Array1(self.length)
def testConstructor0(self):
"Test Array1 default constructor"
a = Array.Array1()
self.failUnless(isinstance(a, Array.Array1))
self.failUnless(len(a) == 0)
def testConstructor1(self):
"Test Array1 length constructor"
self.failUnless(isinstance(self.array1, Array.Array1))
def testConstructor2(self):
"Test Array1 array constructor"
na = np.arange(self.length)
aa = Array.Array1(na)
self.failUnless(isinstance(aa, Array.Array1))
def testConstructor3(self):
"Test Array1 copy constructor"
for i in range(self.array1.length()): self.array1[i] = i
arrayCopy = Array.Array1(self.array1)
self.failUnless(arrayCopy == self.array1)
def testConstructorBad(self):
"Test Array1 length constructor, negative"
self.assertRaises(ValueError, Array.Array1, -4)
def testLength(self):
"Test Array1 length method"
self.failUnless(self.array1.length() == self.length)
def testLen(self):
"Test Array1 __len__ method"
self.failUnless(len(self.array1) == self.length)
def testResize0(self):
"Test Array1 resize method, length"
newLen = 2 * self.length
self.array1.resize(newLen)
self.failUnless(len(self.array1) == newLen)
def testResize1(self):
"Test Array1 resize method, array"
a = np.zeros((2*self.length,), dtype='l')
self.array1.resize(a)
self.failUnless(len(self.array1) == len(a))
def testResizeBad(self):
"Test Array1 resize method, negative length"
self.assertRaises(ValueError, self.array1.resize, -5)
def testSetGet(self):
"Test Array1 __setitem__, __getitem__ methods"
n = self.length
for i in range(n):
self.array1[i] = i*i
for i in range(n):
self.failUnless(self.array1[i] == i*i)
def testSetBad1(self):
"Test Array1 __setitem__ method, negative index"
self.assertRaises(IndexError, self.array1.__setitem__, -1, 0)
def testSetBad2(self):
"Test Array1 __setitem__ method, out-of-range index"
self.assertRaises(IndexError, self.array1.__setitem__, self.length+1, 0)
def testGetBad1(self):
"Test Array1 __getitem__ method, negative index"
self.assertRaises(IndexError, self.array1.__getitem__, -1)
def testGetBad2(self):
"Test Array1 __getitem__ method, out-of-range index"
self.assertRaises(IndexError, self.array1.__getitem__, self.length+1)
def testAsString(self):
"Test Array1 asString method"
for i in range(self.array1.length()): self.array1[i] = i+1
self.failUnless(self.array1.asString() == "[ 1, 2, 3, 4, 5 ]")
def testStr(self):
"Test Array1 __str__ method"
for i in range(self.array1.length()): self.array1[i] = i-2
self.failUnless(str(self.array1) == "[ -2, -1, 0, 1, 2 ]")
def testView(self):
"Test Array1 view method"
for i in range(self.array1.length()): self.array1[i] = i+1
a = self.array1.view()
self.failUnless(isinstance(a, np.ndarray))
self.failUnless(len(a) == self.length)
self.failUnless((a == [1,2,3,4,5]).all())
######################################################################
class Array2TestCase(unittest.TestCase):
def setUp(self):
self.nrows = 5
self.ncols = 4
self.array2 = Array.Array2(self.nrows, self.ncols)
def testConstructor0(self):
"Test Array2 default constructor"
a = Array.Array2()
self.failUnless(isinstance(a, Array.Array2))
self.failUnless(len(a) == 0)
def testConstructor1(self):
"Test Array2 nrows, ncols constructor"
self.failUnless(isinstance(self.array2, Array.Array2))
def testConstructor2(self):
"Test Array2 array constructor"
na = np.zeros((3,4), dtype="l")
aa = Array.Array2(na)
self.failUnless(isinstance(aa, Array.Array2))
def testConstructor3(self):
"Test Array2 copy constructor"
for i in range(self.nrows):
for j in range(self.ncols):
self.array2[i][j] = i * j
arrayCopy = Array.Array2(self.array2)
self.failUnless(arrayCopy == self.array2)
def testConstructorBad1(self):
"Test Array2 nrows, ncols constructor, negative nrows"
self.assertRaises(ValueError, Array.Array2, -4, 4)
def testConstructorBad2(self):
"Test Array2 nrows, ncols constructor, negative ncols"
self.assertRaises(ValueError, Array.Array2, 4, -4)
def testNrows(self):
"Test Array2 nrows method"
self.failUnless(self.array2.nrows() == self.nrows)
def testNcols(self):
"Test Array2 ncols method"
self.failUnless(self.array2.ncols() == self.ncols)
def testLen(self):
"Test Array2 __len__ method"
self.failUnless(len(self.array2) == self.nrows*self.ncols)
def testResize0(self):
"Test Array2 resize method, size"
newRows = 2 * self.nrows
newCols = 2 * self.ncols
self.array2.resize(newRows, newCols)
self.failUnless(len(self.array2) == newRows * newCols)
#def testResize1(self):
# "Test Array2 resize method, array"
# a = np.zeros((2*self.nrows, 2*self.ncols), dtype='l')
# self.array2.resize(a)
# self.failUnless(len(self.array2) == len(a))
def testResizeBad1(self):
"Test Array2 resize method, negative nrows"
self.assertRaises(ValueError, self.array2.resize, -5, 5)
def testResizeBad2(self):
"Test Array2 resize method, negative ncols"
self.assertRaises(ValueError, self.array2.resize, 5, -5)
def testSetGet1(self):
"Test Array2 __setitem__, __getitem__ methods"
m = self.nrows
n = self.ncols
array1 = [ ]
a = np.arange(n, dtype="l")
for i in range(m):
array1.append(Array.Array1(i*a))
for i in range(m):
self.array2[i] = array1[i]
for i in range(m):
self.failUnless(self.array2[i] == array1[i])
def testSetGet2(self):
"Test Array2 chained __setitem__, __getitem__ methods"
m = self.nrows
n = self.ncols
for i in range(m):
for j in range(n):
self.array2[i][j] = i*j
for i in range(m):
for j in range(n):
self.failUnless(self.array2[i][j] == i*j)
def testSetBad1(self):
"Test Array2 __setitem__ method, negative index"
a = Array.Array1(self.ncols)
self.assertRaises(IndexError, self.array2.__setitem__, -1, a)
def testSetBad2(self):
"Test Array2 __setitem__ method, out-of-range index"
a = Array.Array1(self.ncols)
self.assertRaises(IndexError, self.array2.__setitem__, self.nrows+1, a)
def testGetBad1(self):
"Test Array2 __getitem__ method, negative index"
self.assertRaises(IndexError, self.array2.__getitem__, -1)
def testGetBad2(self):
"Test Array2 __getitem__ method, out-of-range index"
self.assertRaises(IndexError, self.array2.__getitem__, self.nrows+1)
def testAsString(self):
"Test Array2 asString method"
result = """\
[ [ 0, 1, 2, 3 ],
[ 1, 2, 3, 4 ],
[ 2, 3, 4, 5 ],
[ 3, 4, 5, 6 ],
[ 4, 5, 6, 7 ] ]
"""
for i in range(self.nrows):
for j in range(self.ncols):
self.array2[i][j] = i+j
self.failUnless(self.array2.asString() == result)
def testStr(self):
"Test Array2 __str__ method"
result = """\
[ [ 0, -1, -2, -3 ],
[ 1, 0, -1, -2 ],
[ 2, 1, 0, -1 ],
[ 3, 2, 1, 0 ],
[ 4, 3, 2, 1 ] ]
"""
for i in range(self.nrows):
for j in range(self.ncols):
self.array2[i][j] = i-j
self.failUnless(str(self.array2) == result)
def testView(self):
"Test Array2 view method"
a = self.array2.view()
self.failUnless(isinstance(a, np.ndarray))
self.failUnless(len(a) == self.nrows)
######################################################################
if __name__ == "__main__":
# Build the test suite
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(Array1TestCase))
suite.addTest(unittest.makeSuite(Array2TestCase))
# Execute the test suite
print "Testing Classes of Module Array"
print "NumPy version", np.__version__
print
result = unittest.TextTestRunner(verbosity=2).run(suite)
sys.exit(len(result.errors) + len(result.failures))
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