utest_manipulations.py @ d520f1b

ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.1.1release-4.1.2release-4.2.2release_4.0.1ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload

Last change on this file since d520f1b was 442f42f, checked in by Mathieu Doucet <doucetm@…>, 16 years ago
Working on 2D manipulations
Property mode set to `100644`
File size: 8.0 KB

Rev	Line
[9198b83]	1	"""
	2	Unit tests for data manipulations
	3	"""
[442f42f]	4	#TODO: what happens if you add a Data1D to a Data2D?
[9198b83]	5
	6	import unittest
	7	import numpy, math
	8	from DataLoader.loader import Loader
[442f42f]	9	from DataLoader.data_info import Data1D, Data2D
[9198b83]	10
	11	import os.path
	12
	13	class data_info_tests(unittest.TestCase):
	14
	15	def setUp(self):
	16	self.data = Loader().load("cansas1d.xml")
	17
	18	def test_clone1D(self):
	19	"""
	20	Test basic cloning
	21	"""
	22	clone = self.data.clone_without_data()
	23
	24	for i in range(len(self.data.detector)):
	25	self.assertEqual(self.data.detector[i].distance, clone.detector[i].distance)
	26
	27
	28	class manip_tests(unittest.TestCase):
	29
	30	def setUp(self):
	31	# Create two data sets to play with
	32	x_0 = numpy.ones(5)
	33	for i in range(5):
	34	x_0[i] = x_0[i]*(i+1.0)
	35
	36	y_0 = 2.0*numpy.ones(5)
	37	dy_0 = 0.5*numpy.ones(5)
	38	self.data = Data1D(x_0, y_0, dy=dy_0)
	39
	40	x = self.data.x
	41	y = numpy.ones(5)
	42	dy = numpy.ones(5)
	43	self.data2 = Data1D(x, y, dy=dy)
	44
	45
	46	def test_load(self):
	47	"""
	48	Test whether the test file was loaded properly
	49	"""
	50	# There should be 5 entries in the file
	51	self.assertEqual(len(self.data.x), 5)
	52
	53	for i in range(5):
	54	# The x values should be from 1 to 5
	55	self.assertEqual(self.data.x[i], float(i+1))
	56
	57	# All y-error values should be 0.5
	58	self.assertEqual(self.data.dy[i], 0.5)
	59
	60	# All y values should be 2.0
	61	self.assertEqual(self.data.y[i], 2.0)
	62
	63	def test_add(self):
	64	result = self.data2+self.data
	65	for i in range(5):
	66	self.assertEqual(result.y[i], 3.0)
	67	self.assertEqual(result.dy[i], math.sqrt(0.5**2+1.0))
	68
	69	def test_sub(self):
	70	result = self.data2-self.data
	71	for i in range(5):
	72	self.assertEqual(result.y[i], -1.0)
	73	self.assertEqual(result.dy[i], math.sqrt(0.5**2+1.0))
	74
	75	def test_mul(self):
	76	result = self.data2*self.data
	77	for i in range(5):
	78	self.assertEqual(result.y[i], 2.0)
	79	self.assertEqual(result.dy[i], math.sqrt((0.51.0)2+(1.02.0)**2))
	80
	81	def test_div(self):
	82	result = self.data2/self.data
	83	for i in range(5):
	84	self.assertEqual(result.y[i], 0.5)
	85	self.assertEqual(result.dy[i], math.sqrt((1.0/2.0)*2+(0.51.0/4.0)**2))
	86
	87	def test_radd(self):
	88	result = self.data+3.0
	89	for i in range(5):
	90	self.assertEqual(result.y[i], 5.0)
	91	self.assertEqual(result.dy[i], 0.5)
	92
	93	result = 3.0+self.data
	94	for i in range(5):
	95	self.assertEqual(result.y[i], 5.0)
	96	self.assertEqual(result.dy[i], 0.5)
	97
	98	def test_rsub(self):
	99	result = self.data-3.0
	100	for i in range(5):
	101	self.assertEqual(result.y[i], -1.0)
	102	self.assertEqual(result.dy[i], 0.5)
	103
	104	result = 3.0-self.data
	105	for i in range(5):
	106	self.assertEqual(result.y[i], 1.0)
	107	self.assertEqual(result.dy[i], 0.5)
	108
	109	def test_rmul(self):
	110	result = self.data*3.0
	111	for i in range(5):
	112	self.assertEqual(result.y[i], 6.0)
	113	self.assertEqual(result.dy[i], 1.5)
	114
	115	result = 3.0*self.data
	116	for i in range(5):
	117	self.assertEqual(result.y[i], 6.0)
	118	self.assertEqual(result.dy[i], 1.5)
	119
	120	def test_rdiv(self):
	121	result = self.data/4.0
	122	for i in range(5):
	123	self.assertEqual(result.y[i], 0.5)
	124	self.assertEqual(result.dy[i], 0.125)
	125
	126	result = 6.0/self.data
	127	for i in range(5):
	128	self.assertEqual(result.y[i], 3.0)
	129	self.assertEqual(result.dy[i], 6.0*0.5/4.0)
	130
[442f42f]	131	class manip_2D(unittest.TestCase):
	132
	133	def setUp(self):
	134	# Create two data sets to play with
	135	x_0 = 2.0*numpy.ones([5,4])
	136	dx_0 = 0.5*numpy.ones([5,4])
	137	self.data = Data2D(x_0, dx_0)
	138
	139	y = numpy.ones([5,4])
	140	dy = numpy.ones([5,4])
	141	self.data2 = Data2D(y, dy)
	142
	143
	144	def test_load(self):
	145	"""
	146	Test whether the test file was loaded properly
	147	"""
	148	# There should be 5 entries in the file
	149	self.assertEqual(numpy.size(self.data.data, 0), 5)
	150	self.assertEqual(numpy.size(self.data.data, 1), 4)
	151
	152	for i in range(5):
	153	for j in range(4):
	154	# All y-error values should be 0.5
	155	self.assertEqual(self.data.err_data[i][j], 0.5)
	156
	157	# All y values should be 2.0
	158	self.assertEqual(self.data.data[i][j], 2.0)
	159
	160	def test_add(self):
	161	result = self.data2+self.data
	162	for i in range(5):
	163	for j in range(4):
	164	self.assertEqual(result.data[i][j], 3.0)
	165	self.assertEqual(result.err_data[i][j], math.sqrt(0.5**2+1.0))
	166
	167	def test_sub(self):
	168	result = self.data2-self.data
	169	for i in range(5):
	170	for j in range(4):
	171	self.assertEqual(result.data[i][j], -1.0)
	172	self.assertEqual(result.err_data[i][j], math.sqrt(0.5**2+1.0))
	173
	174	def test_mul(self):
	175	result = self.data2*self.data
	176	for i in range(5):
	177	for j in range(4):
	178	self.assertEqual(result.data[i][j], 2.0)
	179	self.assertEqual(result.err_data[i][j], math.sqrt((0.51.0)2+(1.02.0)**2))
	180
	181	def test_div(self):
	182	result = self.data2/self.data
	183	for i in range(5):
	184	for j in range(4):
	185	self.assertEqual(result.data[i][j], 0.5)
	186	self.assertEqual(result.err_data[i][j], math.sqrt((1.0/2.0)*2+(0.51.0/4.0)**2))
	187
	188	def test_radd(self):
	189	result = self.data+3.0
	190	for i in range(5):
	191	for j in range(4):
	192	self.assertEqual(result.data[i][j], 5.0)
	193	self.assertEqual(result.err_data[i][j], 0.5)
	194
	195	result = 3.0+self.data
	196	for i in range(5):
	197	for j in range(4):
	198	self.assertEqual(result.data[i][j], 5.0)
	199	self.assertEqual(result.err_data[i][j], 0.5)
	200
	201	def test_rsub(self):
	202	result = self.data-3.0
	203	for i in range(5):
	204	for j in range(4):
	205	self.assertEqual(result.data[i][j], -1.0)
	206	self.assertEqual(result.err_data[i][j], 0.5)
	207
	208	result = 3.0-self.data
	209	for i in range(5):
	210	for j in range(4):
	211	self.assertEqual(result.data[i][j], 1.0)
	212	self.assertEqual(result.err_data[i][j], 0.5)
	213
	214	def test_rmul(self):
	215	result = self.data*3.0
	216	for i in range(5):
	217	for j in range(4):
	218	self.assertEqual(result.data[i][j], 6.0)
	219	self.assertEqual(result.err_data[i][j], 1.5)
	220
	221	result = 3.0*self.data
	222	for i in range(5):
	223	for j in range(4):
	224	self.assertEqual(result.data[i][j], 6.0)
	225	self.assertEqual(result.err_data[i][j], 1.5)
	226
	227	def test_rdiv(self):
	228	result = self.data/4.0
	229	for i in range(5):
	230	for j in range(4):
	231	self.assertEqual(result.data[i][j], 0.5)
	232	self.assertEqual(result.err_data[i][j], 0.125)
	233
	234	result = 6.0/self.data
	235	for i in range(5):
	236	for j in range(4):
	237	self.assertEqual(result.data[i][j], 3.0)
	238	self.assertEqual(result.err_data[i][j], 6.0*0.5/4.0)
	239
[9198b83]	240
	241	if __name__ == '__main__':
	242	unittest.main()
	243

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source: sasview/DataLoader/test/utest_manipulations.py @ d520f1b

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