Exemple #1
0
 def test_simplest_form(self):
   fq1 = FractionWithConstant()
   fq1.const = -2
   fq1.num = 3
   fq1.denom = 2
   fq1.save()
   fq2 = fq1.simplest_form()
   self.assertEquals(fq2.const, -3)
   self.assertEquals(fq2.num, 1)      
   self.assertEquals(fq2.denom, 2)
Exemple #2
0
 def test_two_fractions_not_equal(self):
   fq1 = FractionWithConstant()
   fq1.const = 1
   fq1.num = 4
   fq1.denom = 2
   fq1.save()
   fq2 = FractionWithConstant()
   fq2.const = 2
   fq2.num = 1
   fq2.denom = 2
   fq2.save()
   tst = fq1 == fq2
   self.assertEquals(tst,False)
Exemple #3
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 def test_zero_division_error(self):
   fq1 = FractionWithConstant()
   fq1.const = 1
   fq1.num = 4
   fq1.denom = 2
   fq1.save()
   fq2 = FractionWithConstant()
   fq2.const = 2
   fq2.num = 0
   fq2.denom = 0
   fq2.save()
   tst = fq1 == fq2
   self.assertEquals(tst,'ZeroDivisionError')
Exemple #4
0
 def test_basic_creation(self):
   fq = FractionWithConstant()
   fq.const = 1
   fq.num = 2
   fq.denom = 3
   fq.save()
   fqs = FractionWithConstant.objects.all()
   fq = fqs[0]
   self.assertEquals(fq.const,1)      
   self.assertEquals(fq.num,2)      
   self.assertEquals(fq.denom,3)
   desc = fq.describe()
   self.assertEquals(desc,'1 2/3')