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###
# Copyright 2008-2011 Diamond Light Source Ltd.
# This file is part of Diffcalc.
#
# Diffcalc is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Diffcalc is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Diffcalc. If not, see <http://www.gnu.org/licenses/>.
###
from diffcalc.hkl.you.calc import YouUbCalcStrategy
from diffcalc.hkl.you.geometry import SixCircle, YouPosition
from diffcalc.ub.calc import UBCalculation
from diffcalc.ub.persistence import UBCalculationJSONPersister
from math import pi
from mock import Mock
from nose.tools import eq_
from test.tools import matrixeq_
import tempfile
import datetime
try:
from numpy import matrix
except ImportError:
from numjy import matrix
def posFromI16sEuler(phi, chi, eta, mu, delta, gamma):
return YouPosition(mu, delta, gamma, eta, chi, phi)
UB1 = matrix(
((0.9996954135095477, -0.01745240643728364, -0.017449748351250637),
(0.01744974835125045, 0.9998476951563913, -0.0003045864904520898),
(0.017452406437283505, -1.1135499981271473e-16, 0.9998476951563912))
) * (2 * pi)
EN1 = 12.39842
REF1a = posFromI16sEuler(1, 1, 30, 0, 60, 0)
REF1b = posFromI16sEuler(1, 91, 30, 0, 60, 0)
class TestUBCalculationWithYouStrategy():
"""Testing the math only here.
"""
def setup_method(self):
self.tempdir = tempfile.mkdtemp()
geometry = SixCircle() # pass through
hardware = Mock()
names = 'm', 'd', 'n', 'e', 'c', 'p'
hardware.get_axes_names.return_value = names
self.tmpdir = tempfile.mkdtemp()
print self.tmpdir
self.ubcalc = UBCalculation(hardware,
geometry,
UBCalculationJSONPersister(self.tmpdir),
YouUbCalcStrategy())
def testAgainstI16Results(self):
self.ubcalc.start_new('cubcalc')
self.ubcalc.set_lattice('latt', 1, 1, 1, 90, 90, 90)
self.ubcalc.add_reflection(1, 0, 0, REF1a, EN1, '100', None)
self.ubcalc.add_reflection(0, 0, 1, REF1b, EN1, '001', None)
matrixeq_(self.ubcalc.UB, UB1)
def test_save_and_restore_empty_ubcalc_with_one_already_started(self):
NAME = 'test_save_and_restore_empty_ubcalc_with_one_already_started'
self.ubcalc.start_new(NAME)
self.ubcalc.start_new(NAME)
def test_save_and_restore_empty_ubcalc(self):
NAME = 'test_save_and_restore_empty_ubcalc'
self.ubcalc.start_new(NAME)
self.ubcalc.start_new(NAME + '2')
self.ubcalc.load(NAME)
eq_(self.ubcalc.name, NAME)
def test_save_and_restore_ubcalc_with_lattice(self):
NAME = 'test_save_and_restore_ubcalc_with_lattice'
self.ubcalc.start_new(NAME)
self.ubcalc.set_lattice('latt', 1, 1, 1, 90, 90, 90)
self.ubcalc.start_new(NAME + '2')
self.ubcalc.load(NAME)
eq_(self.ubcalc._state.crystal.getLattice(), ('latt', 1, 1, 1, 90, 90, 90))
def test_save_and_restore_ubcalc_with_reflections(self):
NAME = 'test_save_and_restore_ubcalc_with_reflections'
self.ubcalc.start_new(NAME)
now = datetime.datetime.now()
self.ubcalc.add_reflection(1, 0, 0, REF1a, EN1, '100', now)
self.ubcalc.add_reflection(0, 0, 1, REF1b, EN1, '001', now)
self.ubcalc.add_reflection(0, 0, 1.5, REF1b, EN1, '001_5', now)
ref1 = self.ubcalc.get_reflection(1)
ref2 = self.ubcalc.get_reflection(2)
ref3 = self.ubcalc.get_reflection(3)
eq_(self.ubcalc.get_reflection(1), ref1)
eq_(self.ubcalc.get_reflection(2), ref2)
eq_(self.ubcalc.get_reflection(3), ref3)
self.ubcalc.start_new(NAME + '2')
self.ubcalc.load(NAME)
eq_(self.ubcalc.get_reflection(1), ref1)
eq_(self.ubcalc.get_reflection(2), ref2)
eq_(self.ubcalc.get_reflection(3), ref3)
def test_save_and_restore_ubcalc_with_UB_from_two_ref(self):
NAME = 'test_save_and_restore_ubcalc_with_UB_from_two_ref'
self.ubcalc.start_new(NAME)
self.ubcalc.set_lattice('latt', 1, 1, 1, 90, 90, 90)
self.ubcalc.add_reflection(1, 0, 0, REF1a, EN1, '100', None)
self.ubcalc.add_reflection(0, 0, 1, REF1b, EN1, '001', None)
matrixeq_(self.ubcalc.UB, UB1)
self.ubcalc.start_new(NAME + '2')
self.ubcalc.load(NAME)
matrixeq_(self.ubcalc.UB, UB1)
def test_save_and_restore_ubcalc_with_UB_from_one_ref(self):
NAME = 'test_save_and_restore_ubcalc_with_UB_from_one_ref'
self.ubcalc.start_new(NAME)
self.ubcalc.set_lattice('latt', 1, 1, 1, 90, 90, 90)
self.ubcalc.add_reflection(1, 0, 0, REF1a, EN1, '100', None)
self.ubcalc.calculate_UB_from_primary_only()
matrixeq_(self.ubcalc.UB, UB1, places=2)
self.ubcalc.start_new(NAME + '2')
self.ubcalc.load(NAME)
matrixeq_(self.ubcalc.UB, UB1, places=2)
def test_save_and_restore_ubcalc_with_manual_ub(self):
NAME = 'test_save_and_restore_ubcalc_with_manual_ub'
UB = matrix([[1, 2, 3], [4, 5, 6], [7, 8, 9]])
self.ubcalc.start_new(NAME)
self.ubcalc.set_UB_manually(UB)
matrixeq_(self.ubcalc.UB, UB)
self.ubcalc.start_new(NAME + '2')
self.ubcalc.load(NAME)
matrixeq_(self.ubcalc.UB, UB)
def test_save_and_restore_ubcalc_with_manual_u(self):
NAME = 'test_save_and_restore_ubcalc_with_manual_u'
U = matrix([[1, 2, 3], [4, 5, 6], [7, 8, 9]])
self.ubcalc.start_new(NAME)
self.ubcalc.set_lattice('latt', 1, 1, 1, 90, 90, 90)
self.ubcalc.set_U_manually(U)
matrixeq_(self.ubcalc.UB, U * 2 * pi)
self.ubcalc.start_new(NAME + '2')
self.ubcalc.load(NAME)
matrixeq_(self.ubcalc.UB, U * 2 * pi)

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###
# Copyright 2008-2011 Diamond Light Source Ltd.
# This file is part of Diffcalc.
#
# Diffcalc is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Diffcalc is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Diffcalc. If not, see <http://www.gnu.org/licenses/>.
###
import unittest
from datetime import datetime
from math import cos, sin, pi
from mock import Mock
from nose.tools import raises
try:
from numpy import matrix
except ImportError:
from numjy import matrix
from diffcalc.hkl.vlieg.geometry import SixCircleGammaOnArmGeometry
from diffcalc.hkl.vlieg.geometry import VliegPosition as Pos
from test.tools import matrixeq_, mneq_
from diffcalc.ub.calc import UBCalculation
from diffcalc.ub.persistence import UbCalculationNonPersister
from diffcalc.util import DiffcalcException
from diffcalc.hkl.vlieg.calc import VliegUbCalcStrategy
from test.diffcalc import scenarios
I = matrix('1 0 0; 0 1 0; 0 0 1')
TORAD = pi / 180
class TestUBCalculationWithSixCircleGammaOnArm(object):
def setup_method(self):
self.geometry = SixCircleGammaOnArmGeometry()
mock_hardware = Mock()
mock_hardware.get_axes_names.return_value = ('a', 'd', 'g', 'o', 'c', 'p')
self.ubcalc = UBCalculation(
mock_hardware, self.geometry, UbCalculationNonPersister(),
VliegUbCalcStrategy())
self.time = datetime.now()
### State ###
def testNewCalculation(self):
self.ubcalc.start_new('testcalc')
assert self.ubcalc.name, 'testcalc' == "Name not set by newCalcualtion"
@raises(DiffcalcException)
def testNewCalculationHasNoU(self):
self.ubcalc.start_new('testcalc')
print self.ubcalc.U
@raises(DiffcalcException)
def testNewCalculationHasNoUB(self):
self.ubcalc.start_new('testcalc')
print self.ubcalc.UB
### Lattice ###
def testSetLattice(self):
# Not much to test, just make sure no exceptions
self.ubcalc.start_new('testcalc')
self.ubcalc.set_lattice('testlattice', 4.0004, 4.0004, 2.27, 90, 90, 90)
### Calculations ###
def testset_U_manually(self):
# Test the calculations with U=I
U = [[1, 0, 0], [0, 1, 0], [0, 0, 1]]
for sess in scenarios.sessions():
self.setup_method()
self.ubcalc.start_new('testcalc')
self.ubcalc.set_lattice(sess.name, *sess.lattice)
self.ubcalc.set_U_manually(U)
# Check the U matrix
mneq_(self.ubcalc.U, matrix(U), 4,
note="wrong U after manually setting U")
# Check the UB matrix
if sess.bmatrix is None:
continue
print "U: ", U
print "actual ub: ", self.ubcalc.UB.tolist()
print " desired b: ", sess.bmatrix
mneq_(self.ubcalc.UB, matrix(sess.bmatrix), 4,
note="wrong UB after manually setting U")
@raises(DiffcalcException)
def testGetUMatrix(self):
self.ubcalc.start_new('testcalc')
print self.ubcalc.U
@raises(DiffcalcException)
def testGetUBMatrix(self):
self.ubcalc.start_new('testcalc')
print self.ubcalc.UB
def testCalculateU(self):
for sess in scenarios.sessions():
self.setup_method()
self.ubcalc.start_new('testcalc')
# Skip this test case unless it contains a umatrix
if sess.umatrix is None:
continue
self.ubcalc.set_lattice(sess.name, *sess.lattice)
ref1 = sess.ref1
ref2 = sess.ref2
t = sess.time
self.ubcalc.add_reflection(
ref1.h, ref1.k, ref1.l, ref1.pos, ref1.energy, ref1.tag, t)
self.ubcalc.add_reflection(
ref2.h, ref2.k, ref2.l, ref2.pos, ref2.energy, ref2.tag, t)
self.ubcalc.calculate_UB()
returned = self.ubcalc.U.tolist()
print "*Required:"
print sess.umatrix
print "*Returned:"
print returned
mneq_(self.ubcalc.U, matrix(sess.umatrix), 4,
note="wrong U calulated for sess.name=" + sess.name)
def test__str__(self):
sess = scenarios.sessions()[0]
print "***"
print self.ubcalc.__str__()
print "***"
self.ubcalc.start_new('test')
print self.ubcalc.__str__()
print "***"
self.ubcalc.set_lattice(sess.name, *sess.lattice)
print self.ubcalc.__str__()
print "***"
ref1 = sess.ref1
ref2 = sess.ref2
t = sess.time
self.ubcalc.add_reflection(
ref1.h, ref1.k, ref1.l, ref1.pos, ref1.energy, ref1.tag, t)
self.ubcalc.add_reflection(
ref2.h, ref2.k, ref2.l, ref2.pos, ref2.energy, ref2.tag, t)
print self.ubcalc.__str__()
print "***"
self.ubcalc.calculate_UB()
print self.ubcalc.__str__()
def x_rotation(mu_or_alpha):
mu_or_alpha *= TORAD
return matrix(((1, 0, 0),
(0, cos(mu_or_alpha), -sin(mu_or_alpha)),
(0, sin(mu_or_alpha), cos(mu_or_alpha))))
def y_rotation(chi):
chi *= TORAD
return matrix(((cos(chi), 0, sin(chi)),
(0, 1, 0),
(-sin(chi), 0, cos(chi))))
def z_rotation(th):
eta = -th * TORAD
return matrix(((cos(eta), sin(eta), 0),
(-sin(eta), cos(eta), 0),
(0, 0, 1)))
CUBIC_EN = 12.39842
CUBIC = (1, 1, 1, 90, 90, 90)
ROT = 29
class TestUBCalcWithCubic(object):
def setup_method(self):
print "TestUBCalcWithCubic.setup_method"
hardware = Mock()
hardware.get_axes_names.return_value = \
('a', 'd', 'g', 'o', 'c', 'p')
self.ubcalc = UBCalculation(hardware,
SixCircleGammaOnArmGeometry(),
UbCalculationNonPersister(),
VliegUbCalcStrategy())
self.ubcalc.start_new('xtalubcalc')
self.ubcalc.set_lattice("xtal", *CUBIC)
self.energy = CUBIC_EN
def addref(self, hklref):
hkl, position = hklref
now = datetime.now()
self.ubcalc.add_reflection(
hkl[0], hkl[1], hkl[2], position, self.energy, "ref", now)
class TestUBCalcWithCubicTwoRef(TestUBCalcWithCubic):
def check(self, testname, hklref1, hklref2, expectedUMatrix):
self.addref(hklref1)
self.addref(hklref2)
matrixeq_(expectedUMatrix, self.ubcalc.U)
def test_with_squarely_mounted(self):
href = ((1, 0, 0),
Pos(alpha=0, delta=60, gamma=0, omega=30, chi=0, phi=0))
lref = ((0, 0, 1),
Pos(alpha=0, delta=60, gamma=0, omega=30, chi=90, phi=0))
pairs = (("hl", href, lref, I),
("lh", lref, href, I))
for testname, ref1, ref2, u in pairs:
yield self.check, testname, ref1, ref2, u
def test_with_x_mismount(self):
U = x_rotation(ROT)
href = ((1, 0, 0),
Pos(alpha=0, delta=60, gamma=0, omega=30, chi=0, phi=0))
kref = ((0, 1, 0),
Pos(alpha=0, delta=60, gamma=0, omega=30 - ROT + 90, chi=90,
phi=0))
lref = ((0, 0, 1),
Pos(alpha=0, delta=60, gamma=0, omega=30 - ROT, chi=90, phi=0))
pairs = (("hk", href, kref, U),
("hl", href, lref, U),
("kh", kref, href, U),
("kl", kref, lref, U),
("lk", lref, kref, U),
("lh", lref, href, U))
for testname, ref1, ref2, u in pairs:
yield self.check, testname, ref1, ref2, u
def test_with_y_mismount(self):
U = y_rotation(ROT)
href = ((1, 0, 0),
Pos(alpha=0, delta=60, gamma=0, omega=30, chi=0 - ROT, phi=0))
lref = ((0, 0, 1),
Pos(alpha=0, delta=60, gamma=0, omega=30, chi=90 - ROT, phi=0))
pairs = (("hl", href, lref, U),
("lh", lref, href, U))
for testname, ref1, ref2, u in pairs:
yield self.check, testname, ref1, ref2, u
def test_with_z_mismount(self):
U = z_rotation(ROT)
href = ((1, 0, 0),
Pos(alpha=0, delta=60, gamma=0, omega=30, chi=0, phi=0 + ROT))
lref = ((0, 0, 1), # phi degenerate
Pos(alpha=0, delta=60, gamma=0, omega=30, chi=90, phi=67))
pairs = (("hl", href, lref, U),
("lh", lref, href, U))
for testname, ref1, ref2, u in pairs:
yield self.check, testname, ref1, ref2, u
def test_with_zy_mismount(self):
U = z_rotation(ROT) * y_rotation(ROT)
href = ((1, 0, 0),
Pos(alpha=0, delta=60, gamma=0, omega=30, chi=0 - ROT,
phi=0 + ROT))
lref = ((0, 0, 1),
Pos(alpha=0, delta=60, gamma=0, omega=30, chi=90 - ROT,
phi=ROT)) # chi degenerate
pairs = (("hl", href, lref, U),
("lh", lref, href, U))
for testname, ref1, ref2, u in pairs:
yield self.check, testname, ref1, ref2, u
class TestUBCalcWithcubicOneRef(TestUBCalcWithCubic):
def check(self, testname, hklref, expectedUMatrix):
print testname
self.addref(hklref)
self.ubcalc.calculate_UB_from_primary_only()
matrixeq_(expectedUMatrix, self.ubcalc.U)
def test_with_squarely_mounted(self):
href = ((1, 0, 0),
Pos(alpha=0, delta=60, gamma=0, omega=30, chi=0, phi=0))
href_b = ((1, 0, 0),
Pos(alpha=0, delta=60, gamma=0, omega=30 + 90, chi=90,
phi=-90))
lref = ((0, 0, 1), # degenerate in phi
Pos(alpha=0, delta=60, gamma=0, omega=30, chi=90, phi=67))
pairs = (("h", href, I),
("hb", href_b, I),
("l", lref, I))
for testname, ref, u in pairs:
yield self.check, testname, ref, u
def test_with_x_mismount_h(self):
U = x_rotation(ROT)
href = ((1, 0, 0),
Pos(alpha=0, delta=60, gamma=0, omega=30, chi=0, phi=0))
self.check("h", href, I)
def test_with_x_mismount_k(self):
U = x_rotation(ROT)
kref = ((0, 1, 0),
Pos(alpha=0, delta=60, gamma=0, omega=30 - ROT + 90, chi=90,
phi=0))
self.check("k", kref, U)
def test_with_x_mismount_l(self):
U = x_rotation(ROT)
lref = ((0, 0, 1),
Pos(alpha=0, delta=60, gamma=0, omega=30 - ROT, chi=90, phi=0))
self.check("l", lref, U)
def test_with_y_mismount_h(self):
U = y_rotation(ROT)
href = ((1, 0, 0),
Pos(alpha=0, delta=60, gamma=0, omega=30, chi=0 - ROT, phi=0))
self.check("h", href, U)
def test_with_y_mismount_k(self):
U = y_rotation(ROT)
kref = ((0, 1, 0),
Pos(alpha=0, delta=60, gamma=0, omega=30 + 90, chi=90, phi=0))
self.check("k", kref, I) # TODO: can't pass - word instructions
def test_with_y_mismount_l(self):
U = y_rotation(ROT)
lref = ((0, 0, 1),
Pos(alpha=0, delta=60, gamma=0, omega=30, chi=90 - ROT, phi=0))
self.check("l", lref, U)
def test_with_z_mismount_h(self):
U = z_rotation(ROT)
href = ((1, 0, 0),
Pos(alpha=0, delta=60, gamma=0, omega=30, chi=0, phi=0 + ROT))
self.check("h", href, U)
def test_with_z_mismount_k(self):
U = z_rotation(ROT)
kref = ((0, 1, 0),
Pos(alpha=0, delta=60, gamma=0, omega=30 + 90, chi=0,
phi=0 + ROT))
self.check("k", kref, U),
def test_with_z_mismount_l(self):
U = z_rotation(ROT)
lref = ((0, 0, 1), # phi degenerate
Pos(alpha=0, delta=60, gamma=0, omega=30, chi=90, phi=67))
self.check("l", lref, I) # TODO: can't pass - word instructions
#Probably lost cause, conclusion is be careful and return the angle and
#direction of resulting u matrix
# def skip_test_with_zy_mismount(self):
# U = z_rotation(ROT) * y_rotation(ROT)
# href = ((1, 0, 0),
# Pos(alpha=0, delta=60, gamma=0, omega=30, chi=0 - ROT,
# phi=0 + ROT))
# kref = ((0, 1, 0),
# Pos(alpha=0, delta=60, gamma=0, omega=30 + 90, chi=90 - ROT,
# phi=0 + ROT))
# lref = ((0, 0, 1),
# Pos(alpha=0, delta=60, gamma=0, omega=30, chi=90 - ROT,
# phi=ROT)) # chi degenerate
# pairs = (("h", href, U),
# ("k", kref, U),
# ("l", lref, U))
# for testname, ref, u in pairs:
# yield self.check, testname, ref, u

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###
# Copyright 2008-2011 Diamond Light Source Ltd.
# This file is part of Diffcalc.
#
# Diffcalc is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Diffcalc is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Diffcalc. If not, see <http://www.gnu.org/licenses/>.
###
from math import pi
from mock import Mock
try:
from numpy import matrix
except ImportError:
from numjy import matrix
from diffcalc.hkl.you.geometry import SixCircle
from diffcalc.hkl.you.geometry import YouPosition
from diffcalc.hkl.you.calc import YouUbCalcStrategy
from test.tools import matrixeq_
from diffcalc.ub.calc import UBCalculation
from diffcalc.ub.persistence import UbCalculationNonPersister
#newub 'cubic' <--> reffile('cubic)
#setlat 'cubic' 1 1 1 90 90 90 <--> latt([1,1,1,90,90,90])
#pos wl 1 <--> BLi.setWavelength(1)
# <--> c2th([0,0,1]) --> 60
#pos sixc [0 60 0 30 1 1] <--> pos euler [1 1 30 0 60 0]
#addref 1 0 0 <--> saveref('100',[1, 0, 0])
#pos chi 91 <-->
#addref 0 0 1 <--> saveref('100',[1, 0, 0]) ; showref()
# ubm('100','001')
# ubm() ->
#array('d', [0.9996954135095477, -0.01745240643728364, -0.017449748351250637,
#0.01744974835125045, 0.9998476951563913, -0.0003045864904520898,
#0.017452406437283505, -1.1135499981271473e-16, 0.9998476951563912])
def posFromI16sEuler(phi, chi, eta, mu, delta, gamma):
return YouPosition(mu, delta, gamma, eta, chi, phi)
UB1 = matrix(
((0.9996954135095477, -0.01745240643728364, -0.017449748351250637),
(0.01744974835125045, 0.9998476951563913, -0.0003045864904520898),
(0.017452406437283505, -1.1135499981271473e-16, 0.9998476951563912))
) * (2 * pi)
EN1 = 12.39842
REF1a = posFromI16sEuler(1, 1, 30, 0, 60, 0)
REF1b = posFromI16sEuler(1, 91, 30, 0, 60, 0)
class TestUBCalculationWithYouStrategy():
"""Testing the math only here.
"""
def setup_method(self):
geometry = SixCircle() # pass through
hardware = Mock()
names = 'm', 'd', 'n', 'e', 'c', 'p'
hardware.get_axes_names.return_value = names
self.ubcalc = UBCalculation(hardware,
geometry,
UbCalculationNonPersister(),
YouUbCalcStrategy())
def testAgainstI16Results(self):
self.ubcalc.start_new('cubcalc')
self.ubcalc.set_lattice('latt', 1, 1, 1, 90, 90, 90)
self.ubcalc.add_reflection(1, 0, 0, REF1a, EN1, '100', None)
self.ubcalc.add_reflection(0, 0, 1, REF1b, EN1, '001', None)
self.ubcalc.calculate_UB()
matrixeq_(self.ubcalc.UB, UB1)

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###
# Copyright 2008-2011 Diamond Light Source Ltd.
# This file is part of Diffcalc.
#
# Diffcalc is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Diffcalc is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Diffcalc. If not, see <http://www.gnu.org/licenses/>.
###
import unittest
try:
from numpy import matrix
except ImportError:
from numjy import matrix
from test.tools import assert_dict_almost_equal, mneq_
from diffcalc.ub.crystal import CrystalUnderTest
from test.diffcalc import scenarios
class TestCrystalUnderTest(object):
def setup_method(self):
self.tclatt = []
self.tcbmat = []
# From the dif_init.mat next to dif_dos.exe on Vlieg's cd
#self.tclatt.append([4.0004, 4.0004, 2.270000, 90, 90, 90])
#self.tcbmat.append([[1.570639, 0, 0] ,[0.0, 1.570639, 0] ,
# [0.0, 0.0, 2.767923]])
# From b16 on 27June2008 (From Chris Nicklin)
# self.tclatt.append([3.8401, 3.8401, 5.43072, 90, 90, 90])
# self.tcbmat.append([[1.636204, 0, 0],[0, 1.636204, 0],
# [0, 0, 1.156971]])
def testGetBMatrix(self):
# Check the calculated B Matrix
for sess in scenarios.sessions():
if sess.bmatrix is None:
continue
cut = CrystalUnderTest('tc', *sess.lattice)
desired = matrix(sess.bmatrix)
print desired.tolist()
answer = cut.B
print answer.tolist()
note = "Incorrect B matrix calculation for scenario " + sess.name
mneq_(answer, desired, 4, note=note)
def test__str__(self):
cut = CrystalUnderTest("HCl", 1, 2, 3, 4, 5, 6)
print cut.__str__()

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###
# Copyright 2008-2011 Diamond Light Source Ltd.
# This file is part of Diffcalc.
#
# Diffcalc is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Diffcalc is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Diffcalc. If not, see <http://www.gnu.org/licenses/>.
###
import os
import shutil
import unittest
import tempfile
import time
from nose.tools import eq_ # @UnresolvedImport
try:
from gda.configuration.properties import LocalProperties
except ImportError:
print "Could not import LocalProperties to configure database locations."
from diffcalc.ub.persistence import UbCalculationNonPersister, UBCalculationJSONPersister
def prepareEmptyGdaVarFolder():
vartest_dir = os.path.join(os.getcwd(), 'var_test')
LocalProperties.set('gda.var', vartest_dir)
if os.path.exists(vartest_dir):
print "Removing existing gda.var: ", vartest_dir
shutil.rmtree(vartest_dir)
print "Creating gda.var: ", vartest_dir
os.mkdir(vartest_dir)
class TestUBCalculationNonPersister(object):
def setup_method(self):
self.persister = UbCalculationNonPersister()
def testSaveAndLoad(self):
self.persister.save('string1', 'ub1')
class TestUBCalculationJSONPersister(object):
def setup_method(self):
self.tmpdir = tempfile.mkdtemp()
print self.tmpdir
self.persister = UBCalculationJSONPersister(self.tmpdir)
f = open(os.path.join(self.tmpdir, 'unexpected_file'), 'w')
f.close()
def test_list_with_empty_dir(self):
eq_(self.persister.list(), [])
def test_save_load(self):
d = {'a' : 1, 'b': 2}
self.persister.save(d, 'first')
eq_(self.persister.load('first'), d)
def test_save_overwites(self):
d1 = {'a' : 1, 'b': 2}
self.persister.save(d1, 'first')
eq_(self.persister.load('first'), d1)
d2 = {'a' : 3, 'b': 4, 'c' : 5}
self.persister.save(d2, 'first')
eq_(self.persister.load('first'), d2)
def test_list(self):
d = {'a' : 1, 'b': 2}
self.persister.save(d, 'first')
eq_(self.persister.list(), ['first'])
def test_multiple_list(self):
d = {'a' : 1, 'b': 2}
self.persister.save(d, 'first_written')
time.sleep(.5)
self.persister.save(d, 'second_written')
time.sleep(.5)
self.persister.save(d, 'third_written')
eq_(self.persister.list(), ['third_written', 'second_written', 'first_written'])
def test_remove_list(self):
d = {'a' : 1, 'b': 2}
self.persister.save(d, 'first')
self.persister.remove('first')
eq_(self.persister.list(), [])

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###
# Copyright 2008-2011 Diamond Light Source Ltd.
# This file is part of Diffcalc.
#
# Diffcalc is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Diffcalc is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Diffcalc. If not, see <http://www.gnu.org/licenses/>.
###
from mock import Mock
from diffcalc.ub.reference import YouReference
from test.tools import assert_array_almost_equal, assert_2darray_almost_equal
try:
from numpy import matrix, hstack
from numpy.linalg import norm
except ImportError:
from numjy import matrix, hstack
from numjy.linalg import norm
class TestYouReference():
def setup_method(self):
self.get_UB = Mock()
self.reference = YouReference(self.get_UB)
self.get_UB.return_value = matrix('1 0 0; 0 1 0; 0 0 1')
def test_default_n_phi(self):
assert_2darray_almost_equal(self.reference.n_phi.tolist(), matrix('0; 0; 1').tolist())
def test__str__with_phi_configured(self):
print self.reference
def test__str__with_hkl_configured(self):
self.reference.n_hkl_configured = matrix('0; 1; 1')
print self.reference
def test_n_phi_from_hkl_with_unity_matrix_001(self):
self.get_UB.return_value = matrix('1 0 0; 0 1 0; 0 0 1')
self.reference.n_hkl_configured = matrix('0; 0; 1')
assert_2darray_almost_equal(self.reference.n_phi.tolist(), matrix('0; 0; 1').tolist())
def test_n_phi_from_hkl_with_unity_matrix_010(self):
self.get_UB.return_value = matrix('1 0 0; 0 1 0; 0 0 1')
self.reference.n_hkl_configured = matrix('0; 1; 0')
assert_2darray_almost_equal(self.reference.n_phi.tolist(), matrix('0; 1; 0').tolist())

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@@ -0,0 +1,91 @@
###
# Copyright 2008-2011 Diamond Light Source Ltd.
# This file is part of Diffcalc.
#
# Diffcalc is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Diffcalc is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Diffcalc. If not, see <http://www.gnu.org/licenses/>.
###
from datetime import datetime
from diffcalc.hkl.vlieg.geometry import SixCircleGammaOnArmGeometry
from diffcalc.ub.reflections import ReflectionList
from diffcalc.hkl.vlieg.geometry import VliegPosition as Pos
import unittest
class TestReflectionList(object):
def setup_method(self):
self._geometry = SixCircleGammaOnArmGeometry()
self.reflist = ReflectionList(self._geometry,
['a', 'd', 'g', 'o', 'c', 'p'])
self.time = datetime.now()
pos = Pos(0.1, 0.2, 0.3, 0.4, 0.5, 0.6)
self.reflist.add_reflection(1, 2, 3, pos, 1000, "ref1", self.time)
pos = Pos(0.11, 0.22, 0.33, 0.44, 0.55, 0.66)
self.reflist.add_reflection(1.1, 2.2, 3.3, pos, 1100, "ref2", self.time)
def test_add_reflection(self):
assert len(self.reflist) == 2
def testGetReflection(self):
answered = self.reflist.getReflection(1)
pos = Pos(0.1, 0.2, 0.3, 0.4, 0.5, 0.6)
desired = ([1, 2, 3], pos, 1000, "ref1", self.time)
assert answered == desired
def testRemoveReflection(self):
self.reflist.removeReflection(1)
answered = self.reflist.getReflection(1)
pos = Pos(0.11, 0.22, 0.33, 0.44, 0.55, 0.66)
desired = ([1.1, 2.2, 3.3], pos, 1100, "ref2", self.time)
assert answered == desired
def testedit_reflection(self):
ps = Pos(0.1, 0.2, 0.3, 0.4, 0.5, 0.6)
self.reflist.edit_reflection(1, 10, 20, 30, ps, 1000, "new1", self.time)
assert (self.reflist.getReflection(1)
== ([10, 20, 30], ps, 1000, "new1", self.time))
pos = Pos(0.11, 0.22, 0.33, 0.44, 0.55, 0.66)
assert (self.reflist.getReflection(2)
== ([1.1, 2.2, 3.3], pos, 1100, "ref2", self.time))
def testSwapReflection(self):
self.reflist.swap_reflections(1, 2)
pos = Pos(0.11, 0.22, 0.33, 0.44, 0.55, 0.66)
assert (self.reflist.getReflection(1)
== ([1.1, 2.2, 3.3], pos, 1100, "ref2", self.time))
pos = Pos(0.1, 0.2, 0.3, 0.4, 0.5, 0.6)
assert (self.reflist.getReflection(2)
== ([1, 2, 3], pos, 1000, "ref1", self.time))
def createRefStateDicts(self):
ref_0 = {
'h': 1,
'k': 2,
'l': 3,
'position': (0.1, 0.2, 0.3, 0.4, 0.5, 0.6),
'energy': 1000,
'tag': "ref1",
'time': repr(self.time)
}
ref_1 = {
'h': 1.1,
'k': 2.2,
'l': 3.3,
'position': (0.11, 0.22, 0.33, 0.44, 0.55, 0.66),
'energy': 1100,
'tag': "ref2",
'time': repr(self.time)
}
return ref_0, ref_1

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###
# Copyright 2008-2011 Diamond Light Source Ltd.
# This file is part of Diffcalc.
#
# Diffcalc is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Diffcalc is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Diffcalc. If not, see <http://www.gnu.org/licenses/>.
###
from nose.tools import eq_ # @UnresolvedImport
import tempfile
import os.path
import pytest
try:
from numpy import matrix
except ImportError:
from numjy import matrix
import diffcalc.util # @UnusedImport
from diffcalc.hkl.vlieg.geometry import SixCircleGammaOnArmGeometry
from diffcalc.hardware import DummyHardwareAdapter
from test.tools import assert_iterable_almost_equal, mneq_, arrayeq_
from diffcalc.ub.persistence import UbCalculationNonPersister,\
UBCalculationJSONPersister
from diffcalc.util import DiffcalcException, MockRawInput
from diffcalc.ub.calc import UBCalculation
from diffcalc.hkl.vlieg.calc import VliegUbCalcStrategy
from test.diffcalc import scenarios
import diffcalc.hkl.vlieg.calc
diffcalc.util.DEBUG = True
def prepareRawInput(listOfStrings):
diffcalc.util.raw_input = MockRawInput(listOfStrings)
prepareRawInput([])
from diffcalc import settings
from diffcalc.hkl.you.geometry import SixCircle
from mock import Mock
from diffcalc.ub.persistence import UbCalculationNonPersister
class TestUBCommandsBase():
def setup_method(self):
names = 'alpha', 'delta', 'gamma', 'omega', 'chi', 'phi'
self.hardware = DummyHardwareAdapter(names)
_geometry = SixCircleGammaOnArmGeometry()
_ubcalc_persister = self._createPersister()
settings.hardware = self.hardware
settings.geometry = _geometry
settings.ubcalc_persister = _ubcalc_persister
#settings.set_engine_name('vlieg')
settings.ubcalc_strategy = diffcalc.hkl.vlieg.calc.VliegUbCalcStrategy()
settings.angles_to_hkl_function = diffcalc.hkl.vlieg.calc.vliegAnglesToHkl
from diffcalc.ub import ub
reload(ub)
self.ub = ub
#self.ub.ubcalc = ub.ubcalc
prepareRawInput([])
diffcalc.util.RAISE_EXCEPTIONS_FOR_ALL_ERRORS = True
class TestUbCommands(TestUBCommandsBase):
def _createPersister(self):
return UbCalculationNonPersister()
def testNewUb(self):
self.ub.newub('test1')
eq_(self.ub.ubcalc._state.name, 'test1')
with pytest.raises(TypeError):
self.ub.newub(1)
def testNewUbInteractively(self):
prepareRawInput(['ubcalcname', 'xtal', '1', '2', '3', '91', '92',
'93'])
self.ub.newub()
def testLoadub(self):
with pytest.raises(TypeError):
self.ub.loadub((1, 2))
def testSaveubcalcas(self):
with pytest.raises(TypeError):
self.ub.saveubas(1)
with pytest.raises(TypeError):
self.ub.saveubas((1, 2))
self.ub.saveubas('blarghh')
def testUb(self):
with pytest.raises(TypeError):
self.ub.showref((1))
self.ub.ub()
self.ub.newub('testubcalc')
self.ub.ub()
def testSetlat(self):
# "Exception should result if no UBCalculation started")
with pytest.raises(DiffcalcException):
self.ub.setlat('HCl', 2)
self.ub.newub('testing_setlat')
with pytest.raises(TypeError):
self.ub.setlat(1)
with pytest.raises(TypeError):
self.ub.setlat(1, 2)
with pytest.raises(TypeError):
self.ub.setlat('HCl')
self.ub.setlat('NaCl', 1.1)
ubcalc = self.ub.ubcalc
eq_(('NaCl', 1.1, 1.1, 1.1, 90, 90, 90), ubcalc._state.crystal.getLattice())
self.ub.setlat('NaCl', 1.1, 2.2)
eq_(('NaCl', 1.1, 1.1, 2.2, 90, 90, 90), ubcalc._state.crystal.getLattice())
self.ub.setlat('NaCl', 1.1, 2.2, 3.3)
eq_(('NaCl', 1.1, 2.2, 3.3, 90, 90, 90), ubcalc._state.crystal.getLattice())
self.ub.setlat('NaCl', 1.1, 2.2, 3.3, 91)
eq_(('NaCl', 1.1, 2.2, 3.3, 90, 90, 91), ubcalc._state.crystal.getLattice())
with pytest.raises(TypeError):
self.ub.setlat(('NaCl', 1.1, 2.2, 3.3, 91, 92))
self.ub.setlat('NaCl', 1.1, 2.2, 3.3, 91, 92, 93)
assert_iterable_almost_equal(
('NaCl', 1.1, 2.2, 3.3, 91, 92, 92.99999999999999),
ubcalc._state.crystal.getLattice())
def testSetlatInteractive(self):
self.ub.newub('testing_setlatinteractive')
prepareRawInput(['xtal', '1', '2', '3', '91', '92', '93'])
self.ub.setlat()
getLattice = self.ub.ubcalc._state.crystal.getLattice
assert_iterable_almost_equal(getLattice(),
('xtal', 1., 2., 3., 91, 92, 92.999999999999986))
#Defaults:
prepareRawInput(['xtal', '', '', '', '', '', ''])
self.ub.setlat()
getLattice = self.ub.ubcalc._state.crystal.getLattice
eq_(getLattice(), ('xtal', 1., 1., 1., 90, 90, 90))
def testShowref(self):
with pytest.raises(TypeError):
self.ub.showref((1))
eq_(self.ub.showref(), None) # No UBCalculation loaded
# will be tested, for exceptions at least, implicitely below
self.ub.newub('testing_showref')
eq_(self.ub.showref(), None) # No UBCalculation loaded"
def testAddref(self):
with pytest.raises(TypeError):
self.ub.addref(1)
with pytest.raises(TypeError):
self.ub.addref(1, 2)
with pytest.raises(TypeError):
self.ub.addref(1, 2, 'blarghh')
# start new ubcalc
self.ub.newub('testing_addref')
reflist = self.ub.ubcalc._state.reflist # for conveniance
pos1 = (1.1, 1.2, 1.3, 1.4, 1.5, 1.6)
pos2 = (2.1, 2.2, 2.3, 2.4, 2.5, 2.6)
pos3 = (3.1, 3.2, 3.3, 3.4, 3.5, 3.6)
pos4 = (4.1, 4.2, 4.3, 4.4, 4.5, 4.6)
#
self.hardware.energy = 1.10
self.hardware.position = pos1
self.ub.addref([1.1, 1.2, 1.3])
result = reflist.get_reflection_in_external_angles(1)
eq_(result[:-1], ([1.1, 1.2, 1.3], pos1, 1.10, None))
self.hardware.energy = 2.10
self.hardware.position = pos2
self.ub.addref([2.1, 2.2, 2.3], 'atag')
result = reflist.get_reflection_in_external_angles(2)
eq_(result[:-1], ([2.1, 2.2, 2.3], pos2, 2.10, 'atag'))
self.ub.addref([3.1, 3.2, 3.3], pos3, 3.10)
result = reflist.get_reflection_in_external_angles(3)
eq_(result[:-1], ([3.1, 3.2, 3.3], pos3, 3.10, None))
self.ub.addref([4.1, 4.2, 4.3], pos4, 4.10, 'tag2')
result = reflist.get_reflection_in_external_angles(4)
eq_(result[:-1], ([4.1, 4.2, 4.3], pos4, 4.10, 'tag2'))
def testAddrefInteractively(self):
prepareRawInput([])
# start new ubcalc
self.ub.newub('testing_addref')
reflist = self.ub.ubcalc._state.reflist # for conveniance
pos1 = (1.1, 1.2, 1.3, 1.4, 1.5, 1.6)
pos2 = (2.1, 2.2, 2.3, 2.4, 2.5, 2.6)
pos3 = (3.1, 3.2, 3.3, 3.4, 3.5, 3.6)
pos3s = ['3.1', '3.2', '3.3', '3.4', '3.5', '3.6']
pos4 = (4.1, 4.2, 4.3, 4.4, 4.5, 4.6)
pos4s = ['4.1', '4.2', '4.3', '4.4', '4.5', '4.6']
#
self.hardware.energy = 1.10
self.hardware.position = pos1
prepareRawInput(['1.1', '1.2', '1.3', '', ''])
self.ub.addref()
result = reflist.get_reflection_in_external_angles(1)
eq_(result[:-1], ([1.1, 1.2, 1.3], pos1, 1.10, None))
self.hardware.energy = 2.10
self.hardware.position = pos2
prepareRawInput(['2.1', '2.2', '2.3', '', 'atag'])
self.ub.addref()
result = reflist.get_reflection_in_external_angles(2)
eq_(result[:-1], ([2.1, 2.2, 2.3], pos2, 2.10, 'atag'))
prepareRawInput(['3.1', '3.2', '3.3', 'n'] + pos3s + ['3.10', ''])
self.ub.addref()
result = reflist.get_reflection_in_external_angles(3)
eq_(result[:-1], ([3.1, 3.2, 3.3], pos3, 3.10, None))
prepareRawInput(['4.1', '4.2', '4.3', 'n'] + pos4s + ['4.10', 'tag2'])
self.ub.addref()
result = reflist.get_reflection_in_external_angles(4)
eq_(result[:-1], ([4.1, 4.2, 4.3], pos4, 4.10, 'tag2'))
def testEditRefInteractivelyWithCurrentPosition(self):
pos1 = (1.1, 1.2, 1.3, 1.4, 1.5, 1.6)
pos2 = (2.1, 2.2, 2.3, 2.4, 2.5, 2.6)
self.ub.newub('testing_editref')
self.ub.addref([1, 2, 3], pos1, 10, 'tag1')
self.hardware.energy = 11
self.hardware.position = pos2
prepareRawInput(['1.1', '', '3.1', 'y', ''])
self.ub.editref(1)
reflist = self.ub.ubcalc._state.reflist # for conveniance
result = reflist.get_reflection_in_external_angles(1)
eq_(result[:-1], ([1.1, 2, 3.1], pos2, 11, 'tag1'))
def testEditRefInteractivelyWithEditedPosition(self):
pos1 = (1.1, 1.2, 1.3, 1.4, 1.5, 1.6)
pos2 = (2.1, 2.2, 2.3, 2.4, 2.5, 2.6)
pos2s = ['2.1', '2.2', '2.3', '2.4', '2.5', '2.6']
self.ub.newub('testing_editref')
self.ub.addref([1, 2, 3], pos1, 10, 'tag1')
prepareRawInput(['1.1', '', '3.1', 'n'] + pos2s + ['12', 'newtag'])
self.ub.editref(1)
reflist = self.ub.ubcalc._state.reflist
result = reflist.get_reflection_in_external_angles(1)
eq_(result[:-1], ([1.1, 2, 3.1], pos2, 12, 'newtag'))
def testSwapref(self):
with pytest.raises(TypeError):
self.ub.swapref(1)
with pytest.raises(TypeError):
self.ub.swapref(1, 2, 3)
with pytest.raises(TypeError):
self.ub.swapref(1, 1.1)
self.ub.newub('testing_swapref')
pos = (1.1, 1.2, 1.3, 1.4, 1.5, 1.6)
self.ub.addref([1, 2, 3], pos, 10, 'tag1')
self.ub.addref([1, 2, 3], pos, 10, 'tag2')
self.ub.addref([1, 2, 3], pos, 10, 'tag3')
self.ub.swapref(1, 3)
self.ub.swapref(1, 3)
self.ub.swapref(3, 1) # end flipped
reflist = self.ub.ubcalc._state.reflist
tag1 = reflist.get_reflection_in_external_angles(1)[3]
tag2 = reflist.get_reflection_in_external_angles(2)[3]
tag3 = reflist.get_reflection_in_external_angles(3)[3]
eq_(tag1, 'tag3')
eq_(tag2, 'tag2')
eq_(tag3, 'tag1')
self.ub.swapref()
tag1 = reflist.get_reflection_in_external_angles(1)[3]
tag2 = reflist.get_reflection_in_external_angles(2)[3]
eq_(tag1, 'tag2')
eq_(tag2, 'tag3')
def testDelref(self):
self.ub.newub('testing_swapref')
pos = (1.1, 1.2, 1.3, 1.4, 1.5, 1.6)
self.ub.addref([1, 2, 3], pos, 10, 'tag1')
reflist = self.ub.ubcalc._state.reflist
reflist.get_reflection_in_external_angles(1)
self.ub.delref(1)
with pytest.raises(IndexError):
reflist.get_reflection_in_external_angles(1)
def testSetu(self):
# just test calling this method
#self.ub.setu([[1,2,3],[1,2,3],[1,2,3]])
self.ub.newub('testsetu')
setu = self.ub.setu
with pytest.raises(TypeError):
setu(1, 2)
with pytest.raises(TypeError):
setu(1)
with pytest.raises(TypeError):
setu('a')
with pytest.raises(TypeError):
setu([1, 2, 3])
with pytest.raises(TypeError):
setu([[1, 2, 3], [1, 2, 3], [1, 2]])
# diffCalcException expected if no lattice set yet
with pytest.raises(DiffcalcException):
setu([[1, 2, 3], [1, 2, 3], [1, 2, 3]])
self.ub.setlat('NaCl', 1.1)
setu([[1, 2, 3], [1, 2, 3], [1, 2, 3]]) # check no exceptions only
setu(((1, 2, 3), (1, 2, 3), (1, 2, 3))) # check no exceptions only
def testSetuInteractive(self):
self.ub.newub('testsetu')
self.ub.setlat('NaCl', 1.1)
prepareRawInput(['1 2 3', '4 5 6', '7 8 9'])
self.ub.setu()
a = self.ub.ubcalc.U.tolist()
eq_([list(a[0]), list(a[1]), list(a[2])],
[[1, 2, 3], [4, 5, 6], [7, 8, 9]])
prepareRawInput(['', ' 9 9.9 99', ''])
self.ub.setu()
a = self.ub.ubcalc.U.tolist()
eq_([list(a[0]), list(a[1]), list(a[2])],
[[1, 0, 0], [9, 9.9, 99], [0, 0, 1]])
def testSetub(self):
# just test calling this method
self.ub.newub('testsetub')
setub = self.ub.setub
with pytest.raises(TypeError):
setub(1, 2)
with pytest.raises(TypeError):
setub(1)
with pytest.raises(TypeError):
setub('a')
with pytest.raises(TypeError):
setub([1, 2, 3])
with pytest.raises(TypeError):
setub([[1, 2, 3], [1, 2, 3], [1, 2]])
setub([[1, 2, 3], [1, 2, 3], [1, 2, 3]]) # check no exceptions only
setub(((1, 2, 3), (1, 2, 3), (1, 2, 3))) # check no exceptions only
def testSetUbInteractive(self):
self.ub.newub('testsetu')
self.ub.setlat('NaCl', 1.1)
prepareRawInput(['1 2 3', '4 5 6', '7 8 9'])
self.ub.setub()
a = self.ub.ubcalc.UB.tolist()
eq_([list(a[0]), list(a[1]), list(a[2])],
[[1, 2, 3], [4, 5, 6], [7, 8, 9]])
prepareRawInput(['', ' 9 9.9 99', ''])
self.ub.setub()
a = self.ub.ubcalc.UB.tolist()
eq_([list(a[0]), list(a[1]), list(a[2])],
[[1, 0, 0], [9, 9.9, 99], [0, 0, 1]])
def testCalcub(self):
with pytest.raises(TypeError):
self.ub.calcub(1) # wrong input
# no ubcalc started:
with pytest.raises(DiffcalcException):
self.ub.calcub()
self.ub.newub('testcalcub')
# not enougth reflections:
with pytest.raises(DiffcalcException):
self.ub.calcub()
s = scenarios.sessions()[0]
self.ub.setlat(s.name, *s.lattice)
r = s.ref1
self.ub.addref(
[r.h, r.k, r.l], r.pos.totuple(), r.energy, r.tag)
r = s.ref2
self.ub.addref(
[r.h, r.k, r.l], r.pos.totuple(), r.energy, r.tag)
self.ub.calcub()
mneq_(self.ub.ubcalc.UB, matrix(s.umatrix) * matrix(s.bmatrix),
4, note="wrong UB matrix after calculating U")
def testC2th(self):
self.ub.newub('testcalcub')
self.ub.setlat('cube', 1, 1, 1, 90, 90, 90)
assert self.ub.c2th((0, 0, 1)) == pytest.approx(60)
def testSigtau(self):
# sigtau [sig tau]
with pytest.raises(TypeError):
self.ub.sigtau(1)
with pytest.raises(ValueError):
self.ub.sigtau(1, 'a')
self.ub.sigtau(1, 2)
self.ub.sigtau(1, 2.0)
eq_(self.ub.ubcalc.sigma, 1)
eq_(self.ub.ubcalc.tau, 2.0)
def testSigtauInteractive(self):
prepareRawInput(['1', '2.'])
self.ub.sigtau()
eq_(self.ub.ubcalc.sigma, 1)
eq_(self.ub.ubcalc.tau, 2.0)
#Defaults:
prepareRawInput(['', ''])
self.hardware.position = [None, None, None, None, 3, 4.]
self.ub.sigtau()
eq_(self.ub.ubcalc.sigma, -3.)
eq_(self.ub.ubcalc.tau, -4.)
def testSetWithString(self):
with pytest.raises(TypeError):
self.ub.setlat('alpha', 'a')
with pytest.raises(TypeError):
self.ub.setlat('alpha', 1, 'a')
def test_setnphihkl_at_various_phases(self):
self.ub.setnphi([1, 0, 1])
self.ub.setnhkl([1, 0, 1])
self.ub.newub('test')
self.ub.setnphi([1, 0, 1])
self.ub.setnhkl([1, 0, 1])
self.ub.setlat('cube', 1, 1, 1, 90, 90, 90)
self.ub.setnphi([1, 0, 1])
self.ub.setnhkl([1, 0, 1])
self.ub.setu([[1, 0, 0], [0, 1, 0], [0, 0, 1]])
self.ub.setnphi([1, 0, 1])
self.ub.setnhkl([1, 0, 1])
class TestUbCommandsJsonPersistence(TestUBCommandsBase):
def _createPersister(self):
self.tmpdir = tempfile.mkdtemp()
print self.tmpdir
self.persister = UBCalculationJSONPersister(self.tmpdir)
f = open(os.path.join(self.tmpdir, 'unexpected_file'), 'w')
f.close()
return self.persister
def testNewUb(self):
self.ub.newub('test1')
self.ub.loadub('test1')
self.ub.ub()
def test_n_phi_persistance(self):
self.ub.newub('test1')
self.ub.setnphi([0, 1, 0])
arrayeq_(self.ub.ubcalc.n_phi.T.tolist()[0], [0, 1, 0])
self.ub.loadub('test1')
arrayeq_(self.ub.ubcalc.n_phi.T.tolist()[0], [0, 1, 0])