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# -*- coding: utf-8 -*-
# Copyright © 2014, German Neuroinformatics Node (G-Node)
#
# All rights reserved.
#
# Redistribution and use in section and binary forms, with or without
# modification, are permitted under the terms of the BSD License. See
# LICENSE file in the root of the Project.
import unittest
from nixio.util import names, units
class TestUtil(unittest.TestCase):
def setUp(self):
pass
def tearDown(self):
pass
def test_name_sanitizer(self):
assert names.sanitizer("validName") == "validName"
assert names.sanitizer("invalid/name") == "invalid_name"
def test_name_check(self):
assert names.check("validName")
assert not names.check("invalid/name")
def test_unit_sanitizer(self):
assert units.sanitizer("µV") == "uV"
assert units.sanitizer("muOhm") == "uOhm"
def test_unit_is_si(self):
assert units.is_si('V')
assert units.is_si('mV')
assert units.is_si('kV')
assert not units.is_si('Kv')
assert not units.is_si('in')
assert not units.is_si('pt')
assert not units.is_si('ft')
assert not units.is_si('yrd')
def test_unit_is_atomic(self):
assert units.is_atomic('mV')
assert units.is_atomic('mV^2')
assert not units.is_atomic('mV^2/Hz')
def test_unit_is_compound(self):
assert units.is_compound('mV^2/Hz')
assert not units.is_compound('mV')
def test_unit_split_compound(self):
unit_1 = "mV^2/Hz"
unit_2 = "mV^2 * Hz^-1"
assert len(units.split_compound('mV')) == 1
atomics = units.split_compound(unit_1)
assert len(atomics) == 2
# FIXME the following is not entirely correct should be Hz^-1
# needs to be fixed in nix!
assert atomics[0] == "mV^2" and atomics[1] == "Hz^-1"
atomics = units.split_compound(unit_2)
assert len(atomics) == 2
assert atomics[0] == "mV^2" and atomics[1] == "Hz^-1"
def test_unit_scalable(self):
base_unit = 'V'
scalable_1 = 'kV'
scalable_2 = 'uV'
inscalable = 'g'
assert units.scalable([base_unit], [scalable_1])
assert units.scalable([base_unit], [scalable_2])
assert units.scalable([base_unit], [base_unit])
assert not units.scalable([base_unit], [inscalable])
assert(units.scalable([base_unit, scalable_1],
[base_unit, scalable_2]))
def test_unit_scaling(self):
base_unit = 'V'
scalable_1 = 'kV'
scalable_2 = 'uV'
assert units.scaling(base_unit, scalable_1) == 1e-03
assert units.scaling(base_unit, scalable_2) == 1e06
def test_unit_split(self):
unit_1 = 'kV'
unit_2 = 'mV^2'
unit_3 = 'Hz^-1'
prefix, base, power = units.split(unit_1)
assert prefix == 'k' and base == 'V' and power == ''
prefix, base, power = units.split(unit_2)
assert prefix == 'm' and base == 'V' and power == '2'
prefix, base, power = units.split(unit_3)
assert prefix == '' and base == 'Hz' and power == '-1'
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