def test_load_calib_imgs_paths():
"""
Test load_calib_imgs path creation/checking.
All `calib_imgs_paths` tests are basically the same
"""
global p, o
if not os_exists(testdir+'/raw'):
raise RuntimeError('test \'raw\' directory could not be found')
# Setup
calib = CalibratePSEye()
calib.init_chessboard(p, o)
try:
calib.load_calib_imgs(testdir+'/raw')
# Make sure everything was created properly
for p in ('/raw', '/corners'):
if not isdir(calib.calibpath + p):
raise RuntimeError('path \'%s\' wasn\'t created')
# Make sure raw images were copied correctly
for fn in listdir(testdir + '/raw'):
f1 = calib.calibpath + '/raw/' + fn
f2 = testdir + '/raw/' + fn
g1 = cv_imread(f1)
i2 = cv_imread(f2)
g2 = cvtColor(cvtColor(i2, COLOR_RGB2GRAY), COLOR_GRAY2RGB)
if not array_equal(g1, g2):
raise RuntimeError('frame \'%s\' did not match' % fn)
debug('\'%s\' matched' % fn)
finally:
calib.removepath()
def test_load_calib_imgs_asserts():
"""
Test load_calibs_imgs asserts.
Assert testing
Tests elements that are supposed to pass b/c as long as
`init_chessboard` hasn't been called, a Runtime (not Assertion)
error will be raised.
"""
calib = CalibratePSEye() # do NOT init_chessboard yet
for t in (int, float, complex, list, tuple, range, dict, set,
frozenset, bool, bytes, bytearray, memoryview):
try:
calib.load_calib_imgs(t)
except TypeError:
debug('\'%s\' calibrations' % t.__name__)
else:
raise RuntimeError('Failed to catch %s calibrations' % t.__name__)
try:
calib.load_calib_imgs('asdf', 1.5)
except TypeError:
pass
else:
raise RuntimeError('Failed to catch bad clean param')
# check for elements that do pass
# this works b/c it fails another test w/RuntimeError (not Assertion)
# in the next line
for elem in (True, False, 0, 1):
try:
calib.load_calib_imgs('asdf', elem)
except RuntimeError:
pass
else:
raise RuntimeError('Failed to catch bad img_path')
def test_compute_calibrations():
"""
Test computation to the 4th decimal place on known calibration data.
"""
# Test Asserts
calib = CalibratePSEye()
calib.corners_arr = [1, 2]
calib.objpoints = [1, 2]
calib.w = 320
calib.h = 240
calib.corners_arr = []
try:
calib.compute_calibrations()
except RuntimeError:
pass
else:
raise RuntimeError('Failed to catch len(corners_arr)==0')
calib.corners_arr = [1, 2]
calib.objpoints = []
try:
calib.compute_calibrations()
except RuntimeError:
pass
else:
raise RuntimeError('Failed to catch len(objpoints)==0')
calib.objpoints = [1, 2]
calib.w = None
try:
calib.compute_calibrations()
except RuntimeError:
pass
else:
raise RuntimeError('Failed to catch _w is None')
calib.h = None
calib.w = 320
try:
calib.compute_calibrations()
except RuntimeError:
pass
else:
raise RuntimeError('Failed to catch h is None')
# Test Math
global cpdict
imgpath = testdir + '/raw'
if not os_exists(imgpath):
raise RuntimeError('Could not find imgpath')
calib = CalibratePSEye()
calib.init_chessboard(p, o)
calib.load_calib_imgs(imgpath)
try:
calib.compute_calibrations()
calib.save_calibrations()
for k in cpdict.keys():
k1 = cpdict[k] # already rounded b/c loaded from file
k2 = around(getattr(calib, k), decimals=4)
if not array_equal(k1, k2):
raise RuntimeError('\'%s\' did not match' % k)
debug('\'%s\' matched' % k)
# print(getattr(calib, k))
finally:
calib.removepath()