UnitTests.py

Go to the documentation of this file.
00001 #   (c) Juergen Riegel (juergen.riegel@web.de) 20010 LGPL   
00002 
00003 import FreeCAD, os, unittest, math
00004 
00005 
00006 #---------------------------------------------------------------------------
00007 # define the functions to test the FreeCAD UnitApi code
00008 #---------------------------------------------------------------------------
00009 
00010 def compare(x,y): return math.fabs(x-y)<0.00001
00011 
00012 class UnitBasicCases(unittest.TestCase):
00013 
00014     def testConversions(self):
00015         tu = FreeCAD.Units.translateUnit
00016         self.failUnless(compare(  tu('10 m')                 , 10000.0          ) )
00017         self.failUnless(compare(  tu('3/8 in')               , 0.014763779527   ) )
00018         self.failUnless(compare(  tu('100 km/h')             , 27777.77777777   ) )
00019         self.failUnless(compare(  tu('m^2*kg*s^-3*A^-2')     , 1000000.0        ) )
00020         self.failUnless(compare(  tu('(m^2*kg)/(A^2*s^3)')   , 1000000.0        ) )
00021         self.failUnless(compare(  tu('2*pi rad')             , 360.0            ) )
00022         self.failUnless(compare(  tu('2*pi rad') / tu('gon') , 400.0            ) )
00023 
00024     def testImperial(self):
00025         tu = FreeCAD.Units.translateUnit
00026         self.failUnless(compare(  tu('3/8 in')         , 0.014763779527   ) )
00027         self.failUnless(compare(  tu('1fo+(3+7/16)in') , 392.112500       ) )
00028         self.failUnless(compare(  tu('1\'+(3+7/16)"')  , 392.112500       ) )
00029 
00030     def testTrigonometric(self):
00031         tu = FreeCAD.Units.translateUnit
00032         self.failUnless(compare(  tu('sin(pi)')        ,  math.sin(math.pi) ) )
00033         self.failUnless(compare(  tu('cos(pi)')        ,  math.cos(math.pi) ) )
00034         self.failUnless(compare(  tu('tan(pi)')        ,  math.tan(math.pi) ) )
00035 
00036 
00037 
00038