def test_simplest_form(self): fq1 = FractionQ() 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)
def test_basic_creation(self): fq = FractionQ() fq.const = 1 fq.num = 2 fq.denom = 3 fq.save() fqs = FractionQ.objects.all() fq = fqs[0] self.assertEquals(fq.const,1) self.assertEquals(fq.num,2) self.assertEquals(fq.denom,3)
def test_multiplication(self): fq1 = FractionQ() fq1.const = 0 fq1.num = -1 fq1.denom = 2 fq1.save() fq2 = FractionQ() fq2.const = 0 fq2.num = 1 fq2.denom = 4 fq2.save() ans = fq1.multiply(fq2) self.assertEquals(ans.const, 0) self.assertEquals(ans.num, -1) self.assertEquals(ans.denom, 8)
def test_zero_division_error(self): fq1 = FractionQ() fq1.const = 1 fq1.num = 4 fq1.denom = 2 fq1.save() fq2 = FractionQ() fq2.const = 2 fq2.num = 0 fq2.denom = 0 fq2.save() tst = fq1 == fq2 self.assertEquals(tst,'ZeroDivisionError')
def test_two_fractions_not_equal(self): fq1 = FractionQ() fq1.const = 1 fq1.num = 4 fq1.denom = 2 fq1.save() fq2 = FractionQ() fq2.const = 2 fq2.num = 1 fq2.denom = 2 fq2.save() tst = fq1 == fq2 self.assertEquals(tst,False)
def createFraction(oper):
fs = (1,0,1),(1,0,1)
ans = (2,0,1),(1,0,1),(0,0,1),(1,0,1)
q1 = FractionQ()
q1.const = fs(0)(0)
q1.num = fs(0)(1)
q1.denom = fs(0)(2)
q2 = FractionQ()
q2.const = fs(1)(0)
q2.num = fs(1)(1)
q2.denom = fs(1)(2)
ans = FractionQ()
ans.const = ans(oper,0)
ans.num = ans(oper,1)
ans.denom = ans(oper,2)
return[q1,q2,ans]
