def test_multiply(self):
us = UnitSystem()
Meter = us.new_dimension("Length", "Meter",)
Length = Meter.dimension
Msq = us.add_derived_dimension(Length * Length, "Area", "Meter^2")
self.assertEquals(
Meter(10) * Meter(10), Msq(100))
def test_unlike_addition(self):
us = UnitSystem()
LLength = us.new_dimension("LLength", "Meter")
LTime = us.new_dimension("LTime", "Second")
def unlike():
no_answer = LLength(10) + LTime(20)
self.assertRaises(InvalidType, unlike)
def test_convert_to(self):
us = UnitSystem()
Meter = us.new_dimension("Length", "Meter")
Feet = us.add_unit("Feet", Meter / 3.208)
Yard = us.add_unit("Yard", Feet * 3)
self.assertUnitAlmostEqual(Feet(1), Feet(1).convert_to(Meter))
self.assertAlmostEqual(Feet(3), Yard(1))
self.assertAlmostEqual(Feet(3), Feet(1) * 3)
self.assertAlmostEqual(Feet(3), 3 * Feet(1))
self.assertAlmostEqual(Feet(1), Feet(3) / 3)
self.assertAlmostEqual(Feet(1), Feet(3) / 3)
def test_conversion(self):
us = UnitSystem()
Meter = us.new_dimension("Length", "Meter")
Feet = us.add_unit("Feet", Meter / 3.208)
Yard = us.add_unit("Yard", Feet * 3)
f, m = Feet(3.208), Meter(1)
print f.real_quantity, m.real_quantity
self.assertAlmostEqual(f.real_quantity,m.real_quantity)
self.assertUnitAlmostEqual(f,m)
self.assertAlmostEqual(Feet(3), Yard(1))
self.assertAlmostEqual(Feet(3), Feet(1) * 3)
self.assertAlmostEqual(Feet(3), 3 * Feet(1))
self.assertAlmostEqual(Feet(1), Feet(3) / 3)
self.assertAlmostEqual(Feet(1), Feet(3) / 3)
def test_derived_dimension_unit(self):
us = UnitSystem()
Meter = us.new_dimension("Length", "Meter")
Second = us.new_dimension("Time", "Second")
Length = us.Dimensions.Length
Msq = us.add_derived_dimension(Length * Length, "Area", "Meter^2")
self.assertAlmostEqual(
Meter(10), (Msq(100) / Meter(10)))
Area = us.Dimensions.Area
Mcb = us.add_derived_dimension(Area * Length, "Volume", "Meter^3")
self.assertAlmostEqual(
Msq(100), Mcb(1000)/(Meter(10)))
def test_like_addition(self):
us = UnitSystem()
LLength = us.new_dimension("LLength", "Meter")
expected20 = LLength(10) + LLength(10)
self.assertEquals(expected20, LLength(20))
def test_equality(self):
us = UnitSystem()
Meter = us.new_dimension("Length", "Meter",)
self.assertEquals(
Meter(10), Meter(10))
import unittest
from simple_units.base import (BaseDimension, _fill_relational_table,
UnitSystem, InvalidType, InvalidExpressionException)
us = UnitSystem()
Meter = us.new_dimension("Length", "Meter")
Second= us.new_dimension("Time", "Second")
#Minute = Second.dimension.add_unit(60 * Second, "Minute")
Length = Meter.dimension
Meter_2 = us.add_derived_dimension(Length * Length, "Area", "Meter^2")
print Meter(1)
print Meter_2(1)
Feet = us.add_unit("Feet", Meter / 3.208)
print Meter(1), Meter(1).convert_to(Feet)
class TestUnits(unittest.TestCase):
def test_conversion(self):
us = UnitSystem()
Meter = us.new_dimension("Length", "Meter")
Feet = us.add_unit("Feet", Meter / 3.208)
Yard = us.add_unit("Yard", Feet * 3)
f, m = Feet(3.208), Meter(1)
print f.real_quantity, m.real_quantity
self.assertAlmostEqual(f.real_quantity,m.real_quantity)
self.assertUnitAlmostEqual(f,m)
self.assertAlmostEqual(Feet(3), Yard(1))
self.assertAlmostEqual(Feet(3), Feet(1) * 3)
self.assertAlmostEqual(Feet(3), 3 * Feet(1))
