#! /usr/bin/env python
from __future__ import division, absolute_import, print_function

# 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 Matrix

######################################################################

class MatrixTestCase(unittest.TestCase):

    def __init__(self, methodName="runTests"):
        unittest.TestCase.__init__(self, methodName)
        self.typeStr  = "double"
        self.typeCode = "d"

    # Test (type IN_ARRAY2[ANY][ANY]) typemap
    def testDet(self):
        "Test det function"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        det = Matrix.__dict__[self.typeStr + "Det"]
        matrix = [[8, 7], [6, 9]]
        self.assertEqual(det(matrix), 30)

    # Test (type IN_ARRAY2[ANY][ANY]) typemap
    def testDetBadList(self):
        "Test det function with bad list"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        det = Matrix.__dict__[self.typeStr + "Det"]
        matrix = [[8, 7], ["e", "pi"]]
        self.assertRaises(BadListError, det, matrix)

    # Test (type IN_ARRAY2[ANY][ANY]) typemap
    def testDetWrongDim(self):
        "Test det function with wrong dimensions"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        det = Matrix.__dict__[self.typeStr + "Det"]
        matrix = [8, 7]
        self.assertRaises(TypeError, det, matrix)

    # Test (type IN_ARRAY2[ANY][ANY]) typemap
    def testDetWrongSize(self):
        "Test det function with wrong size"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        det = Matrix.__dict__[self.typeStr + "Det"]
        matrix = [[8, 7, 6], [5, 4, 3], [2, 1, 0]]
        self.assertRaises(TypeError, det, matrix)

    # Test (type IN_ARRAY2[ANY][ANY]) typemap
    def testDetNonContainer(self):
        "Test det function with non-container"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        det = Matrix.__dict__[self.typeStr + "Det"]
        self.assertRaises(TypeError, det, None)

    # Test (type* IN_ARRAY2, int DIM1, int DIM2) typemap
    def testMax(self):
        "Test max function"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        max = Matrix.__dict__[self.typeStr + "Max"]
        matrix = [[6, 5, 4], [3, 2, 1]]
        self.assertEqual(max(matrix), 6)

    # Test (type* IN_ARRAY2, int DIM1, int DIM2) typemap
    def testMaxBadList(self):
        "Test max function with bad list"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        max = Matrix.__dict__[self.typeStr + "Max"]
        matrix = [[6, "five", 4], ["three", 2, "one"]]
        self.assertRaises(BadListError, max, matrix)

    # Test (type* IN_ARRAY2, int DIM1, int DIM2) typemap
    def testMaxNonContainer(self):
        "Test max function with non-container"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        max = Matrix.__dict__[self.typeStr + "Max"]
        self.assertRaises(TypeError, max, None)

    # Test (type* IN_ARRAY2, int DIM1, int DIM2) typemap
    def testMaxWrongDim(self):
        "Test max function with wrong dimensions"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        max = Matrix.__dict__[self.typeStr + "Max"]
        self.assertRaises(TypeError, max, [0, 1, 2, 3])

    # Test (int DIM1, int DIM2, type* IN_ARRAY2) typemap
    def testMin(self):
        "Test min function"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        min = Matrix.__dict__[self.typeStr + "Min"]
        matrix = [[9, 8], [7, 6], [5, 4]]
        self.assertEqual(min(matrix), 4)

    # Test (int DIM1, int DIM2, type* IN_ARRAY2) typemap
    def testMinBadList(self):
        "Test min function with bad list"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        min = Matrix.__dict__[self.typeStr + "Min"]
        matrix = [["nine", "eight"], ["seven", "six"]]
        self.assertRaises(BadListError, min, matrix)

    # Test (int DIM1, int DIM2, type* IN_ARRAY2) typemap
    def testMinWrongDim(self):
        "Test min function with wrong dimensions"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        min = Matrix.__dict__[self.typeStr + "Min"]
        self.assertRaises(TypeError, min, [1, 3, 5, 7, 9])

    # Test (int DIM1, int DIM2, type* IN_ARRAY2) typemap
    def testMinNonContainer(self):
        "Test min function with non-container"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        min = Matrix.__dict__[self.typeStr + "Min"]
        self.assertRaises(TypeError, min, False)

    # Test (type INPLACE_ARRAY2[ANY][ANY]) typemap
    def testScale(self):
        "Test scale function"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        scale = Matrix.__dict__[self.typeStr + "Scale"]
        matrix = np.array([[1, 2, 3], [2, 1, 2], [3, 2, 1]], self.typeCode)
        scale(matrix, 4)
        self.assertEqual((matrix == [[4, 8, 12], [8, 4, 8], [12, 8, 4]]).all(), True)

    # Test (type INPLACE_ARRAY2[ANY][ANY]) typemap
    def testScaleWrongDim(self):
        "Test scale function with wrong dimensions"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        scale = Matrix.__dict__[self.typeStr + "Scale"]
        matrix = np.array([1, 2, 2, 1], self.typeCode)
        self.assertRaises(TypeError, scale, matrix)

    # Test (type INPLACE_ARRAY2[ANY][ANY]) typemap
    def testScaleWrongSize(self):
        "Test scale function with wrong size"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        scale = Matrix.__dict__[self.typeStr + "Scale"]
        matrix = np.array([[1, 2], [2, 1]], self.typeCode)
        self.assertRaises(TypeError, scale, matrix)

    # Test (type INPLACE_ARRAY2[ANY][ANY]) typemap
    def testScaleWrongType(self):
        "Test scale function with wrong type"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        scale = Matrix.__dict__[self.typeStr + "Scale"]
        matrix = np.array([[1, 2, 3], [2, 1, 2], [3, 2, 1]], 'c')
        self.assertRaises(TypeError, scale, matrix)

    # Test (type INPLACE_ARRAY2[ANY][ANY]) typemap
    def testScaleNonArray(self):
        "Test scale function with non-array"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        scale = Matrix.__dict__[self.typeStr + "Scale"]
        matrix = [[1, 2, 3], [2, 1, 2], [3, 2, 1]]
        self.assertRaises(TypeError, scale, matrix)

    # Test (type* INPLACE_ARRAY2, int DIM1, int DIM2) typemap
    def testFloor(self):
        "Test floor function"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        floor = Matrix.__dict__[self.typeStr + "Floor"]
        matrix = np.array([[6, 7], [8, 9]], self.typeCode)
        floor(matrix, 7)
        np.testing.assert_array_equal(matrix, np.array([[7, 7], [8, 9]]))

    # Test (type* INPLACE_ARRAY2, int DIM1, int DIM2) typemap
    def testFloorWrongDim(self):
        "Test floor function with wrong dimensions"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        floor = Matrix.__dict__[self.typeStr + "Floor"]
        matrix = np.array([6, 7, 8, 9], self.typeCode)
        self.assertRaises(TypeError, floor, matrix)

    # Test (type* INPLACE_ARRAY2, int DIM1, int DIM2) typemap
    def testFloorWrongType(self):
        "Test floor function with wrong type"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        floor = Matrix.__dict__[self.typeStr + "Floor"]
        matrix = np.array([[6, 7], [8, 9]], 'c')
        self.assertRaises(TypeError, floor, matrix)

    # Test (type* INPLACE_ARRAY2, int DIM1, int DIM2) typemap
    def testFloorNonArray(self):
        "Test floor function with non-array"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        floor = Matrix.__dict__[self.typeStr + "Floor"]
        matrix = [[6, 7], [8, 9]]
        self.assertRaises(TypeError, floor, matrix)

    # Test (int DIM1, int DIM2, type* INPLACE_ARRAY2) typemap
    def testCeil(self):
        "Test ceil function"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        ceil = Matrix.__dict__[self.typeStr + "Ceil"]
        matrix = np.array([[1, 2], [3, 4]], self.typeCode)
        ceil(matrix, 3)
        np.testing.assert_array_equal(matrix, np.array([[1, 2], [3, 3]]))

    # Test (int DIM1, int DIM2, type* INPLACE_ARRAY2) typemap
    def testCeilWrongDim(self):
        "Test ceil function with wrong dimensions"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        ceil = Matrix.__dict__[self.typeStr + "Ceil"]
        matrix = np.array([1, 2, 3, 4], self.typeCode)
        self.assertRaises(TypeError, ceil, matrix)

    # Test (int DIM1, int DIM2, type* INPLACE_ARRAY2) typemap
    def testCeilWrongType(self):
        "Test ceil function with wrong dimensions"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        ceil = Matrix.__dict__[self.typeStr + "Ceil"]
        matrix = np.array([[1, 2], [3, 4]], 'c')
        self.assertRaises(TypeError, ceil, matrix)

    # Test (int DIM1, int DIM2, type* INPLACE_ARRAY2) typemap
    def testCeilNonArray(self):
        "Test ceil function with non-array"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        ceil = Matrix.__dict__[self.typeStr + "Ceil"]
        matrix = [[1, 2], [3, 4]]
        self.assertRaises(TypeError, ceil, matrix)

    # Test (type ARGOUT_ARRAY2[ANY][ANY]) typemap
    def testLUSplit(self):
        "Test luSplit function"
        print(self.typeStr, "... ", end=' ', file=sys.stderr)
        luSplit = Matrix.__dict__[self.typeStr + "LUSplit"]
        lower, upper = luSplit([[1, 2, 3], [4, 5, 6], [7, 8, 9]])
        self.assertEqual((lower == [[1, 0, 0], [4, 5, 0], [7, 8, 9]]).all(), True)
        self.assertEqual((upper == [[0, 2, 3], [0, 0, 6], [0, 0, 0]]).all(), True)

######################################################################

class scharTestCase(MatrixTestCase):
    def __init__(self, methodName="runTest"):
        MatrixTestCase.__init__(self, methodName)
        self.typeStr  = "schar"
        self.typeCode = "b"

######################################################################

class ucharTestCase(MatrixTestCase):
    def __init__(self, methodName="runTest"):
        MatrixTestCase.__init__(self, methodName)
        self.typeStr  = "uchar"
        self.typeCode = "B"

######################################################################

class shortTestCase(MatrixTestCase):
    def __init__(self, methodName="runTest"):
        MatrixTestCase.__init__(self, methodName)
        self.typeStr  = "short"
        self.typeCode = "h"

######################################################################

class ushortTestCase(MatrixTestCase):
    def __init__(self, methodName="runTest"):
        MatrixTestCase.__init__(self, methodName)
        self.typeStr  = "ushort"
        self.typeCode = "H"

######################################################################

class intTestCase(MatrixTestCase):
    def __init__(self, methodName="runTest"):
        MatrixTestCase.__init__(self, methodName)
        self.typeStr  = "int"
        self.typeCode = "i"

######################################################################

class uintTestCase(MatrixTestCase):
    def __init__(self, methodName="runTest"):
        MatrixTestCase.__init__(self, methodName)
        self.typeStr  = "uint"
        self.typeCode = "I"

######################################################################

class longTestCase(MatrixTestCase):
    def __init__(self, methodName="runTest"):
        MatrixTestCase.__init__(self, methodName)
        self.typeStr  = "long"
        self.typeCode = "l"

######################################################################

class ulongTestCase(MatrixTestCase):
    def __init__(self, methodName="runTest"):
        MatrixTestCase.__init__(self, methodName)
        self.typeStr  = "ulong"
        self.typeCode = "L"

######################################################################

class longLongTestCase(MatrixTestCase):
    def __init__(self, methodName="runTest"):
        MatrixTestCase.__init__(self, methodName)
        self.typeStr  = "longLong"
        self.typeCode = "q"

######################################################################

class ulongLongTestCase(MatrixTestCase):
    def __init__(self, methodName="runTest"):
        MatrixTestCase.__init__(self, methodName)
        self.typeStr  = "ulongLong"
        self.typeCode = "Q"

######################################################################

class floatTestCase(MatrixTestCase):
    def __init__(self, methodName="runTest"):
        MatrixTestCase.__init__(self, methodName)
        self.typeStr  = "float"
        self.typeCode = "f"

######################################################################

class doubleTestCase(MatrixTestCase):
    def __init__(self, methodName="runTest"):
        MatrixTestCase.__init__(self, methodName)
        self.typeStr  = "double"
        self.typeCode = "d"

######################################################################

if __name__ == "__main__":

    # Build the test suite
    suite = unittest.TestSuite()
    suite.addTest(unittest.makeSuite(    scharTestCase))
    suite.addTest(unittest.makeSuite(    ucharTestCase))
    suite.addTest(unittest.makeSuite(    shortTestCase))
    suite.addTest(unittest.makeSuite(   ushortTestCase))
    suite.addTest(unittest.makeSuite(      intTestCase))
    suite.addTest(unittest.makeSuite(     uintTestCase))
    suite.addTest(unittest.makeSuite(     longTestCase))
    suite.addTest(unittest.makeSuite(    ulongTestCase))
    suite.addTest(unittest.makeSuite( longLongTestCase))
    suite.addTest(unittest.makeSuite(ulongLongTestCase))
    suite.addTest(unittest.makeSuite(    floatTestCase))
    suite.addTest(unittest.makeSuite(   doubleTestCase))

    # Execute the test suite
    print("Testing 2D Functions of Module Matrix")
    print("NumPy version", np.__version__)
    print()
    result = unittest.TextTestRunner(verbosity=2).run(suite)
    sys.exit(bool(result.errors + result.failures))
