class ComplexRepositoryTest(TestCase):
repo = ComplexRepository()
assert repo.size() == 0
c1 = ComplexNumber(1, 2)
repo.store(c1)
assert repo.size() == 1
repo.store(ComplexNumber(130, 23))
assert repo.size() == 2
repo.delete_everything()
assert repo.size() == 0
def test_multiply(self):
complex = ComplexNumber(3, 4)
multiply = complex.multiplyReal(3)
self.assertEqual(multiply.getRealPart(), 9)
self.assertEqual(multiply.getImagPart(), 12)
multiply = complex.multiplyImag(3)
self.assertEqual(multiply.getRealPart(), -12)
self.assertEqual(multiply.getImagPart(), 9)
complex.setRealPart(-3)
complex.setImagPart(-4)
multiply = complex.multiplyReal(3)
self.assertEqual(multiply.getRealPart(), -9)
self.assertEqual(multiply.getImagPart(), -12)
multiply = complex.multiplyImag(3)
self.assertEqual(multiply.getRealPart(), 12)
self.assertEqual(multiply.getImagPart(), -9)
def test_exponentialComplex(self):
c1 = ComplexNumber(3, 4)
c2 = c1.exponentialComplex()
self.assertAlmostEqual(c2.getRealPart(), -13, 0)
self.assertAlmostEqual(c2.getImagPart(), -15, 0)
c2 = ComplexNumber(1, 0)
c2 = c2.exponentialComplex()
self.assertAlmostEqual(c2.getRealPart(), 2.7, 0)
self.assertAlmostEqual(c2.getImagPart(), 0, 0)
def test_squarerootComplex(self):
c1 = ComplexNumber(3, 4)
c2 = c1.squarerootComplex()
self.assertEqual(c2.getRealPart(), 2)
self.assertEqual(c2.getImagPart(), 1)
c2 = ComplexNumber(1, 0)
c2 = c2.squarerootComplex()
self.assertEqual(c2.getRealPart(), 1)
self.assertEqual(c2.getImagPart(), 0)
def createNumber(self, real=0, imag=0):
'''
Creates an object Complex Number
Input:The real part and the imaginary part of the number
Output: the number created and stored into the repo
'''
c = ComplexNumber(real, imag)
self.__repo.store(c)
def test_multiplyNumbers(self):
c1 = ComplexNumber(3, 4)
c2 = ComplexNumber(1, 1)
c3 = c1.multiplyNumbers(c2)
self.assertEqual(c3.getRealPart(), -1)
self.assertEqual(c3.getImagPart(), 7)
c4 = ComplexNumber(-1, 2)
c5 = ComplexNumber(2, -4)
c6 = c4.multiplyNumbers(c5)
self.assertEqual(c6.getRealPart(), 6)
self.assertEqual(c6.getImagPart(), 8)
def test_addNumbers(self):
c1 = ComplexNumber(3, 4)
c2 = ComplexNumber(1, 1)
c3 = c1.addNumbers(c2)
self.assertEqual(c3.getRealPart(), 4)
self.assertEqual(c3.getImagPart(), 5)
c4 = ComplexNumber(-1, 2)
c5 = ComplexNumber(2, -4)
c6 = c4.addNumbers(c5)
self.assertEqual(c6.getRealPart(), 1)
self.assertEqual(c6.getImagPart(), -2)
def use9(self):
'''
We multiply two complex numbers
'''
c1 = ComplexNumber(user_input(), user_input())
print('We multiply two complex numbers:')
l = self.__repo.iterate()
for i in range(len(l)):
print('For the number : ', l[i])
print("The result is: ", l[i].multiplyNumbers(c1))
l[i] = l[i].multiplyNumbers(c1)
print(".....................................................")
def test_powerComplex(self):
c1 = ComplexNumber(3, 4)
c3 = c1.powerComplex(3)
self.assertEqual(c3.getRealPart(), -84)
self.assertEqual(c3.getImagPart(), 92)
c2 = ComplexNumber(100, 32)
c4 = c2.powerComplex(0)
self.assertEqual(c4.getRealPart(), 1)
self.assertEqual(c4.getImagPart(), 0)
try:
c1.powerComplex(-1)
assert False
except:
assert True
def read_nr(self, filename):
'''
We read the numbers from a file
We split the text and we find the numbers using a regex
'''
try:
filename = open(filename, 'r')
c1 = filename.read()
filename.close()
c1 = [line.split() for line in c1.split('\n')]
for item in c1:
nr = re.findall('\d+', str(item))
if len(nr) > 2:
raise IOError
self.__repo.add_nr(ComplexNumber(nr[0], nr[1]))
except IOError:
print('Error while opening the file')
print('Fix the error then try again')
exit()
'''
Created on 27 Nov 2017
@author: tothi
'''
from Domain.Repo import ComplexRepository
from Controller.ComplexNumberController import ComplexNumberController
from UI.Menu import ComplexNumberMenu
from Domain.ComplexNumber import ComplexNumber
def start():
repo = ComplexRepository()
ctrl = ComplexNumberController(repo)
ui = ComplexNumberMenu(ctrl)
ui.menu()
#start()
c = ComplexNumber(5, 2)
print(c.exponentialComplex())
def test_matrixRepresentation(self):
c1 = ComplexNumber(3, 4)
c2 = ComplexNumber(1, 1)
self.assertEqual(c1.matrixComplex(), [[3, -4], [4, 3]])
self.assertEqual(c2.matrixComplex(), [[1, -1], [1, 1]])
c4 = ComplexNumber(-1, 2)
c5 = ComplexNumber(2, -4)
self.assertEqual(c4.matrixComplex(), [[-1, -2], [2, -1]])
self.assertEqual(c5.matrixComplex(), [[2, 4], [-4, 2]])
def test_conjugate(self):
complex = ComplexNumber(3, 4)
self.assertEqual(complex.getConjugate(), '3 -4i')
complex.setImagPart(-4)
self.assertEqual(complex.getConjugate(), '3 +4i')
def test_modulus_argument_polar(self):
complex = ComplexNumber(3, 4)
self.assertEqual(complex.getModulus(), 5)
self.assertAlmostEqual(complex.getArgument(), 53.13)
self.assertEqual(complex.getPolarForm(), '5(cos(53.13) + isin(53.13))')
complex.setRealPart(-4)
complex.setImagPart(-3)
self.assertEqual(complex.getModulus(), 5)
self.assertAlmostEqual(complex.getArgument(), 36.87)
self.assertEqual(complex.getPolarForm(), '5(cos(36.87) + isin(36.87))')
def test_gets_sets_str(self):
complex = ComplexNumber(1, 2)
complex1 = ComplexNumber(1, -1)
self.assertEqual(complex.getRealPart(), 1)
self.assertEqual(complex.getImagPart(), 2)
self.assertEqual(complex1.getRealPart(), 1)
self.assertEqual(complex1.getImagPart(), -1)
self.assertEqual(str(complex), '1 +2i')
complex.setRealPart(4)
complex.setImagPart(-100)
self.assertEqual(complex.getRealPart(), 4)
self.assertEqual(complex.getImagPart(), -100)
self.assertEqual(str(complex), '4 -100i')