#!/usr/bin/env python
"""
Test code for the BBox Object
"""
import unittest
from BBox import *
class testCreator(unittest.TestCase):
def testCreates(self):
B = BBox(((0,0),(5,5)))
self.failUnless(isinstance(B, BBox))
def testType(self):
B = N.array(((0,0),(5,5)))
self.failIf(isinstance(B, BBox))
def testDataType(self):
B = BBox(((0,0),(5,5)))
self.failUnless(B.dtype == N.float)
def testShape(self):
B = BBox((0,0,5,5))
self.failUnless(B.shape == (2,2))
def testShape2(self):
self.failUnlessRaises(ValueError, BBox, (0,0,5) )
def testShape3(self):
self.failUnlessRaises(ValueError, BBox, (0,0,5,6,7) )
def testArrayConstruction(self):
A = N.array(((4,5),(10,12)), N.float_)
B = BBox(A)
self.failUnless(isinstance(B, BBox))
def testMinMax(self):
self.failUnlessRaises(ValueError, BBox, (0,0,-1,6) )
def testMinMax2(self):
self.failUnlessRaises(ValueError, BBox, (0,0,1,-6) )
def testMinMax(self):
# OK to have a zero-sized BB
B = BBox(((0,0),(0,5)))
self.failUnless(isinstance(B, BBox))
def testMinMax2(self):
# OK to have a zero-sized BB
B = BBox(((10.0,-34),(10.0,-34.0)))
self.failUnless(isinstance(B, BBox))
def testMinMax3(self):
# OK to have a tiny BB
B = BBox(((0,0),(1e-20,5)))
self.failUnless(isinstance(B, BBox))
def testMinMax4(self):
# Should catch tiny difference
self.failUnlessRaises(ValueError, BBox, ((0,0), (-1e-20,5)) )
class testAsBBox(unittest.TestCase):
def testPassThrough(self):
B = BBox(((0,0),(5,5)))
C = asBBox(B)
self.failUnless(B is C)
def testPassThrough2(self):
B = (((0,0),(5,5)))
C = asBBox(B)
self.failIf(B is C)
def testPassArray(self):
# Different data type
A = N.array( (((0,0),(5,5))) )
C = asBBox(A)
self.failIf(A is C)
def testPassArray2(self):
# same data type -- should be a view
A = N.array( (((0,0),(5,5))), N.float_ )
C = asBBox(A)
A[0,0] = -10
self.failUnless(C[0,0] == A[0,0])
class testIntersect(unittest.TestCase):
def testSame(self):
B = BBox(((-23.5, 456),(56, 532.0)))
C = BBox(((-23.5, 456),(56, 532.0)))
self.failUnless(B.Overlaps(C) )
def testUpperLeft(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (0, 12),(10, 32.0) ) )
self.failUnless(B.Overlaps(C) )
def testUpperRight(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (12, 12),(25, 32.0) ) )
self.failUnless(B.Overlaps(C) )
def testLowerRight(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (12, 5),(25, 15) ) )
self.failUnless(B.Overlaps(C) )
def testLowerLeft(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (-10, 5),(8.5, 15) ) )
self.failUnless(B.Overlaps(C) )
def testBelow(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (-10, 5),(8.5, 9.2) ) )
self.failIf(B.Overlaps(C) )
def testAbove(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (-10, 25.001),(8.5, 32) ) )
self.failIf(B.Overlaps(C) )
def testLeft(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (4, 8),(4.95, 32) ) )
self.failIf(B.Overlaps(C) )
def testRight(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (17.1, 8),(17.95, 32) ) )
self.failIf(B.Overlaps(C) )
def testInside(self):
B = BBox( ( (-15, -25),(-5, -10) ) )
C = BBox( ( (-12, -22), (-6, -8) ) )
self.failUnless(B.Overlaps(C) )
def testOutside(self):
B = BBox( ( (-15, -25),(-5, -10) ) )
C = BBox( ( (-17, -26), (3, 0) ) )
self.failUnless(B.Overlaps(C) )
def testTouch(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (15, 8),(17.95, 32) ) )
self.failUnless(B.Overlaps(C) )
def testCorner(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (15, 25),(17.95, 32) ) )
self.failUnless(B.Overlaps(C) )
def testZeroSize(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (15, 25),(15, 25) ) )
self.failUnless(B.Overlaps(C) )
def testZeroSize2(self):
B = BBox( ( (5, 10),(5, 10) ) )
C = BBox( ( (15, 25),(15, 25) ) )
self.failIf(B.Overlaps(C) )
def testZeroSize3(self):
B = BBox( ( (5, 10),(5, 10) ) )
C = BBox( ( (0, 8),(10, 12) ) )
self.failUnless(B.Overlaps(C) )
def testZeroSize4(self):
B = BBox( ( (5, 1),(10, 25) ) )
C = BBox( ( (8, 8),(8, 8) ) )
self.failUnless(B.Overlaps(C) )
class testEquality(unittest.TestCase):
def testSame(self):
B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
C = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
self.failUnless(B == C)
def testIdentical(self):
B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
self.failUnless(B == B)
def testNotSame(self):
B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
C = BBox( ( (1.0, 2.0), (5.0, 10.1) ) )
self.failIf(B == C)
def testWithArray(self):
B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
C = N.array( ( (1.0, 2.0), (5.0, 10.0) ) )
self.failUnless(B == C)
def testWithArray2(self):
B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
C = N.array( ( (1.0, 2.0), (5.0, 10.0) ) )
self.failUnless(C == B)
def testWithArray2(self):
B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
C = N.array( ( (1.01, 2.0), (5.0, 10.0) ) )
self.failIf(C == B)
class testInside(unittest.TestCase):
def testSame(self):
B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
C = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
self.failUnless(B.Inside(C))
def testPoint(self):
B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
C = BBox( ( (3.0, 4.0), (3.0, 4.0) ) )
self.failUnless(B.Inside(C))
def testPointOutside(self):
B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
C = BBox( ( (-3.0, 4.0), (0.10, 4.0) ) )
self.failIf(B.Inside(C))
def testUpperLeft(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (0, 12),(10, 32.0) ) )
self.failIf(B.Inside(C) )
def testUpperRight(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (12, 12),(25, 32.0) ) )
self.failIf(B.Inside(C) )
def testLowerRight(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (12, 5),(25, 15) ) )
self.failIf(B.Inside(C) )
def testLowerLeft(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (-10, 5),(8.5, 15) ) )
self.failIf(B.Inside(C) )
def testBelow(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (-10, 5),(8.5, 9.2) ) )
self.failIf(B.Inside(C) )
def testAbove(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (-10, 25.001),(8.5, 32) ) )
self.failIf(B.Inside(C) )
def testLeft(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (4, 8),(4.95, 32) ) )
self.failIf(B.Inside(C) )
def testRight(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (17.1, 8),(17.95, 32) ) )
self.failIf(B.Inside(C) )
class testPointInside(unittest.TestCase):
def testPointIn(self):
B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
P = (3.0, 4.0)
self.failUnless(B.PointInside(P))
def testUpperLeft(self):
B = BBox( ( (5, 10),(15, 25) ) )
P = (4, 30)
self.failIf(B.PointInside(P))
def testUpperRight(self):
B = BBox( ( (5, 10),(15, 25) ) )
P = (16, 30)
self.failIf(B.PointInside(P))
def testLowerRight(self):
B = BBox( ( (5, 10),(15, 25) ) )
P = (16, 4)
self.failIf(B.PointInside(P))
def testLowerLeft(self):
B = BBox( ( (5, 10),(15, 25) ) )
P = (-10, 5)
self.failIf(B.PointInside(P))
def testBelow(self):
B = BBox( ( (5, 10),(15, 25) ) )
P = (10, 5)
self.failIf(B.PointInside(P))
def testAbove(self):
B = BBox( ( (5, 10),(15, 25) ) )
P = ( 10, 25.001)
self.failIf(B.PointInside(P))
def testLeft(self):
B = BBox( ( (5, 10),(15, 25) ) )
P = (4, 12)
self.failIf(B.PointInside(P))
def testRight(self):
B = BBox( ( (5, 10),(15, 25) ) )
P = (17.1, 12.3)
self.failIf(B.PointInside(P))
def testPointOnTopLine(self):
B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
P = (3.0, 10.0)
self.failUnless(B.PointInside(P))
def testPointLeftTopLine(self):
B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
P = (-3.0, 10.0)
self.failIf(B.PointInside(P))
def testPointOnBottomLine(self):
B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
P = (3.0, 5.0)
self.failUnless(B.PointInside(P))
def testPointOnLeft(self):
B = BBox( ( (-10.0, -10.0), (-1.0, -1.0) ) )
P = (-10, -5.0)
self.failUnless(B.PointInside(P))
def testPointOnRight(self):
B = BBox( ( (-10.0, -10.0), (-1.0, -1.0) ) )
P = (-1, -5.0)
self.failUnless(B.PointInside(P))
def testPointOnBottomRight(self):
B = BBox( ( (-10.0, -10.0), (-1.0, -1.0) ) )
P = (-1, -10.0)
self.failUnless(B.PointInside(P))
class testFromPoints(unittest.TestCase):
def testCreate(self):
Pts = N.array( ((5,2),
(3,4),
(1,6),
), N.float_ )
B = fromPoints(Pts)
#B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
self.failUnless(B[0,0] == 1.0 and
B[0,1] == 2.0 and
B[1,0] == 5.0 and
B[1,1] == 6.0
)
def testCreateInts(self):
Pts = N.array( ((5,2),
(3,4),
(1,6),
) )
B = fromPoints(Pts)
self.failUnless(B[0,0] == 1.0 and
B[0,1] == 2.0 and
B[1,0] == 5.0 and
B[1,1] == 6.0
)
def testSinglePoint(self):
Pts = N.array( (5,2), N.float_ )
B = fromPoints(Pts)
self.failUnless(B[0,0] == 5.0 and
B[0,1] == 2.0 and
B[1,0] == 5.0 and
B[1,1] == 2.0
)
def testListTuples(self):
Pts = [ (3, 6.5),
(13, 43.2),
(-4.32, -4),
(65, -23),
(-0.0001, 23.432),
]
B = fromPoints(Pts)
self.failUnless(B[0,0] == -4.32 and
B[0,1] == -23.0 and
B[1,0] == 65.0 and
B[1,1] == 43.2
)
class testMerge(unittest.TestCase):
A = BBox( ((-23.5, 456), (56, 532.0)) )
B = BBox( ((-20.3, 460), (54, 465 )) )# B should be completely inside A
C = BBox( ((-23.5, 456), (58, 540.0)) )# up and to the right or A
D = BBox( ((-26.5, 12), (56, 532.0)) )
def testInside(self):
C = self.A.copy()
C.Merge(self.B)
self.failUnless(C == self.A)
def testFullOutside(self):
C = self.B.copy()
C.Merge(self.A)
self.failUnless(C == self.A)
def testUpRight(self):
A = self.A.copy()
A.Merge(self.C)
self.failUnless(A[0] == self.A[0] and A[1] == self.C[1])
def testDownLeft(self):
A = self.A.copy()
A.Merge(self.D)
self.failUnless(A[0] == self.D[0] and A[1] == self.A[1])
class testWidthHeight(unittest.TestCase):
B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
def testWidth(self):
self.failUnless(self.B.Width == 4.0)
def testWidth(self):
self.failUnless(self.B.Height == 8.0)
def attemptSetWidth(self):
self.B.Width = 6
def attemptSetHeight(self):
self.B.Height = 6
def testSetW(self):
self.failUnlessRaises(AttributeError, self.attemptSetWidth)
def testSetH(self):
self.failUnlessRaises(AttributeError, self.attemptSetHeight)
class testCenter(unittest.TestCase):
B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
def testCenter(self):
self.failUnless( (self.B.Center == (3.0, 6.0)).all() )
def attemptSetCenter(self):
self.B.Center = (6, 5)
def testSetCenter(self):
self.failUnlessRaises(AttributeError, self.attemptSetCenter)
class testBBarray(unittest.TestCase):
BBarray = N.array( ( ((-23.5, 456), (56, 532.0)),
((-20.3, 460), (54, 465 )),
((-23.5, 456), (58, 540.0)),
((-26.5, 12), (56, 532.0)),
),
dtype=N.float)
BB = asBBox( ((-26.5, 12.), ( 58. , 540.)) )
def testJoin(self):
BB = fromBBArray(self.BBarray)
self.failUnless(BB == self.BB, "Wrong BB was created. It was:\n%s \nit should have been:\n%s"%(BB, self.BB))
class testNullBBox(unittest.TestCase):
B1 = NullBBox()
B2 = NullBBox()
B3 = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
def testValues(self):
self.failUnless( N.alltrue(N.isnan(self.B1)) )
def testIsNull(self):
self.failUnless( self.B1.IsNull )
def testEquals(self):
self.failUnless( (self.B1 == self.B2) == True )
def testNotEquals(self):
self.failUnless ( (self.B1 == self.B3) == False,
"NotEquals failed for\n%s,\n %s:%s"%(self.B1, self.B3, (self.B1 == self.B3)) )
def testNotEquals2(self):
self.failUnless ( (self.B3 == self.B1) == False,
"NotEquals failed for\n%s,\n %s:%s"%(self.B3, self.B1, (self.B3 == self.B1)) )
def testMerge(self):
C = self.B1.copy()
C.Merge(self.B3)
self.failUnless( C == self.B3,
"merge failed, got: %s"%C )
def testOverlaps(self):
self.failUnless( self.B1.Overlaps(self.B3) == False)
def testOverlaps2(self):
self.failUnless( self.B3.Overlaps(self.B1) == False)
class testInfBBox(unittest.TestCase):
B1 = InfBBox()
B2 = InfBBox()
B3 = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
NB = NullBBox()
def testValues(self):
self.failUnless( N.alltrue(N.isinf(self.B1)) )
# def testIsNull(self):
# self.failUnless( self.B1.IsNull )
def testEquals(self):
self.failUnless( (self.B1 == self.B2) == True )
def testNotEquals(self):
print (self.B1 == self.B3) == False
self.failUnless ( (self.B1 == self.B3) == False,
"NotEquals failed for\n%s,\n %s:%s"%(self.B1, self.B3, (self.B1 == self.B3)) )
def testNotEquals2(self):
self.failUnless ( (self.B3 == self.B1) == False,
"NotEquals failed for\n%s,\n %s:%s"%(self.B3, self.B1, (self.B3 == self.B1)) )
def testMerge(self):
C = self.B1.copy()
C.Merge(self.B3)
self.failUnless( C == self.B2,
"merge failed, got: %s"%C )
def testMerge2(self):
C = self.B3.copy()
C.Merge(self.B1)
self.failUnless( C == self.B1,
"merge failed, got: %s"%C )
def testOverlaps(self):
self.failUnless( self.B1.Overlaps(self.B2) == True)
def testOverlaps2(self):
self.failUnless( self.B3.Overlaps(self.B1) == True)
def testOverlaps3(self):
self.failUnless( self.B1.Overlaps(self.B3) == True)
def testOverlaps4(self):
self.failUnless( self.B1.Overlaps(self.NB) == True)
def testOverlaps5(self):
self.failUnless( self.NB.Overlaps(self.B1) == True)
class testSides(unittest.TestCase):
B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
def testLeft(self):
self.failUnless( self.B.Left == 1.0 )
def testRight(self):
self.failUnless( self.B.Right == 5.0 )
def testBottom(self):
self.failUnless( self.B.Bottom == 2.0 )
def testTop(self):
self.failUnless( self.B.Top == 10.0 )
if __name__ == "__main__":
unittest.main()
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