def test_complement():
"""
Test function complement
"""
introcs.assert_equals(introcs.RGB(255-250, 255-0, 255-71),
a2.complement_rgb(introcs.RGB(250, 0, 71)))
introcs.assert_equals(introcs.RGB(255-92, 255-128, 255-255),
a2.complement_rgb(introcs.RGB(92, 128, 255)))
# Make sure we are not modifying the color
rgb = introcs.RGB(128,128,128)
introcs.assert_not_equals(id(rgb),id(a2.complement_rgb(rgb)))
def test_cluster_a():
"""
Tests Part A of the Cluster class assignment.
"""
print(' Testing Part A of class Cluster')
# TEST CASE 1
# Create and test a cluster (always empty)
dset = a6dataset.Dataset(3)
point = [0.0, 1.0, 0.0]
cluster1 = a6cluster.Cluster(dset, point)
# Compare centroid and contents
introcs.assert_float_lists_equal(point, cluster1.getCentroid())
introcs.assert_equals([], cluster1.getIndices())
# Make sure centroid COPIED
introcs.assert_not_equals(id(point), id(cluster1.getCentroid()))
print(' Basic cluster methods look okay')
# Add something to cluster (and check it was added)
extra = [[0.0, 0.5, 4.2], [0.0, 1.0, 0.0]]
dset.addPoint(extra[0])
dset.addPoint(extra[1])
cluster1.addIndex(1)
introcs.assert_equals([1], cluster1.getIndices())
cluster1.addIndex(0)
introcs.assert_equals([1, 0], cluster1.getIndices())
# Make sure we can handle duplicates!
cluster1.addIndex(1)
introcs.assert_equals([1, 0], cluster1.getIndices())
print(' Method Cluster.addIndex look okay')
# And clear it
contents = cluster1.getContents()
introcs.assert_equals(2, len(contents))
introcs.assert_float_lists_equal(extra[1], contents[0])
introcs.assert_float_lists_equal(extra[0], contents[1])
print(' Method Cluster.getContents look okay')
# And clear it
cluster1.clear()
introcs.assert_equals([], cluster1.getIndices())
print(' Method Cluster.clear look okay')
print(' Part A of class Cluster appears correct')
print()
def test_image_other():
"""
Tests the copy and swapPixel methods in class Image
"""
print('Testing image extra methods')
p = [(255, 64, 0),(0, 255, 64),(64, 0, 255),(64, 255, 128),(128, 64, 255),(255, 128, 64)]
q = p[:] # Need to copy this
# Test the copy
image = a6image.Image(p,2)
copy = image.copy()
introcs.assert_equals(len(image),len(copy))
introcs.assert_equals(image.getWidth(),copy.getWidth())
introcs.assert_not_equals(id(image), id(copy))
introcs.assert_not_equals(id(image._data), id(copy._data))
for pos in range(len(copy)):
introcs.assert_equals(image[pos],copy[pos])
# Test swap pixels
image.swapPixels(0,0,2,1)
introcs.assert_equals(q[5],image.getPixel(0,0))
introcs.assert_equals(q[0],image.getPixel(2,1))
image.swapPixels(0,0,2,1)
introcs.assert_equals(q[0],image.getPixel(0,0))
introcs.assert_equals(q[5],image.getPixel(2,1))
image.swapPixels(0,1,2,0)
introcs.assert_equals(q[4],image.getPixel(0,1))
introcs.assert_equals(q[1],image.getPixel(2,0))
image.swapPixels(0,1,2,0)
introcs.assert_equals(q[1],image.getPixel(0,1))
introcs.assert_equals(q[4],image.getPixel(2,0))
image.swapPixels(0,0,0,0)
introcs.assert_equals(q[0],image.getPixel(0,0))
# Test enforcement
introcs.assert_error(image.swapPixels, 'a', 1, 0, 0, message='swapPixels does not enforce the precondition on row type')
introcs.assert_error(image.swapPixels, 8, 1, 0, 0, message='swapPixels does not enforce the precondition on row value')
introcs.assert_error(image.swapPixels, 0, 1, 'a', 0, message='swapPixels does not enforce the precondition on row type')
introcs.assert_error(image.swapPixels, 0, 1, 8, 0, message='swapPixels does not enforce the precondition on row value')
introcs.assert_error(image.swapPixels, 0, 'a', 0, 0, message='swapPixels does not enforce the precondition on column type')
introcs.assert_error(image.swapPixels, 0, 8, 0, 0, message='swapPixels does not enforce the precondition on column value')
introcs.assert_error(image.swapPixels, 0, 1, 0, 'a', message='swapPixels does not enforce the precondition on column type')
introcs.assert_error(image.swapPixels, 0, 1, 0, 8, message='swapPixels does not enforce the precondition on column value')
def test_image_init():
"""
Tests the __init__ method and getters for class Image
"""
print('Testing image initializer')
p = [(0,0,0)]*6
image = a6image.Image(p,3)
# Normally it is bad to test things that are hidden
# But without this you will not find the error until test_image_operators
introcs.assert_equals(id(p),id(image._data))
introcs.assert_not_equals(id(p),id(image.getData()))
introcs.assert_equals(p,image.getData())
introcs.assert_equals(3,image.getWidth())
introcs.assert_equals(2,image.getHeight())
image = a6image.Image(p,2)
introcs.assert_equals(id(p),id(image._data))
introcs.assert_not_equals(id(p),id(image.getData()))
introcs.assert_equals(p,image.getData())
introcs.assert_equals(2,image.getWidth())
introcs.assert_equals(3,image.getHeight())
image = a6image.Image(p,1)
introcs.assert_equals(id(p),id(image._data))
introcs.assert_not_equals(id(p),id(image.getData()))
introcs.assert_equals(p,image.getData())
introcs.assert_equals(1,image.getWidth())
introcs.assert_equals(6,image.getHeight())
# Test enforcement
introcs.assert_error(a6image.Image,'aaa',3,message='Image does not enforce the precondition on data')
introcs.assert_error(a6image.Image,p,'a', message='Image does not enforce the precondition width type')
introcs.assert_error(a6image.Image,p,5, message='Image does not enforce the precondition width validity')
def test_wild_eq():
"""
Tests that __eq__ works properly for WildCard.
"""
import wild
card1 = wild.WildCard(1, 12, False)
card2 = card.Card(1, 12)
introcs.assert_equals(card1, card1)
introcs.assert_not_equals(card1, card2)
card2 = wild.WildCard(1, 12)
introcs.assert_equals(card1, card1)
card2 = wild.WildCard(1, 12, True)
introcs.assert_not_equals(card1, card2)
card2 = wild.WildCard(3, 12)
introcs.assert_not_equals(card1, card2)
card2 = wild.WildCard(1, 1)
introcs.assert_not_equals(card1, card2)
print('The wild __eq__ tests passed')