def test_get_inverse(self):
""" test get_inverse_family_name and get_inverse_name """
# Try with family_names provided
self.assertEqual(unit_manager.get_inverse_family_name("psonic"), "pvelocity")
self.assertEqual(unit_manager.get_inverse_name("psonic"), "vp")
# Now try with family_members provided
self.assertEqual(unit_manager.get_inverse_family_name("dt"), "pvelocity")
self.assertEqual(unit_manager.get_inverse_name("dt"), "vp")
def test_get_inverse(self):
""" test get_inverse_family_name and get_inverse_name """
# Try with family_names provided
self.assertEqual (unit_manager.get_inverse_family_name('psonic'), 'pvelocity')
self.assertEqual (unit_manager.get_inverse_name('psonic'), 'vp')
# Now try with family_members provided
self.assertEqual (unit_manager.get_inverse_family_name('dt'), 'pvelocity')
self.assertEqual (unit_manager.get_inverse_name('dt'), 'vp')
def test_get_inverse(self):
""" test get_inverse_family_name and get_inverse_name """
# Try with family_names provided
self.assertEqual(unit_manager.get_inverse_family_name('psonic'),
'pvelocity')
self.assertEqual(unit_manager.get_inverse_name('psonic'), 'vp')
# Now try with family_members provided
self.assertEqual(unit_manager.get_inverse_family_name('dt'),
'pvelocity')
self.assertEqual(unit_manager.get_inverse_name('dt'), 'vp')
def invert(self, unit_system=None):
""" Inverts quantity to units, family and name listed by unit manager
as the quantity inverse. """
try:
inverse_family = unit_manager.get_inverse_family_name(self.family_name)
inverse_name = unit_manager.get_inverse_name(self.family_name)
new_quantity = self.clone()
new_quantity.data = 1.0/self.data
new_quantity.units = 1.0/self.units
new_quantity.family_name = inverse_family
new_quantity.name = inverse_name
# Call to set the inverted quantity to the units of the current
# unit system.
result = new_quantity.change_unit_system()
return result
except KeyError:
logger.warn("Could not find inverse of family %s" % \
self.family_name)
def invert(self, unit_system=None):
""" Inverts quantity to units, family and name listed by unit manager
as the quantity inverse. """
try:
inverse_family = unit_manager.get_inverse_family_name(
self.family_name)
inverse_name = unit_manager.get_inverse_name(self.family_name)
new_quantity = self.clone()
new_quantity.data = 1.0 / self.data
new_quantity.units = 1.0 / self.units
new_quantity.family_name = inverse_family
new_quantity.name = inverse_name
# Call to set the inverted quantity to the units of the current
# unit system.
result = new_quantity.change_unit_system()
return result
except KeyError:
logger.warn("Could not find inverse of family %s" % \
self.family_name)
