def test_assignment_visa_variabel(self):
line = "3 = a"
line1 = "a"
wtok = TokenizeWrapper( line )
result = my_calculator.assignment( wtok )
wtok1 = TokenizeWrapper(line1)
self.assertEqual( my_calculator.assignment(wtok1) , 3 )
def test_assignment_full(self):
line = "(2=x) + (3=y=z) = a"
wtok = TokenizeWrapper( line )
result = my_calculator.assignment( wtok )
self.assertEqual(my_calculator.vardict.get('x') , 2 )
self.assertEqual(my_calculator.vardict.get('y') , 3 )
self.assertEqual(my_calculator.vardict.get('z') , 3 )
self.assertEqual(my_calculator.vardict.get('a') , 5 )
def test_korrekt_expression(self):
while True:
line = "1 + 1 + 1"
try:
wtok = TokenizeWrapper(line)
result = my_calculator.expression(wtok)
self.assertEqual( result , 3)
except TokenError:
print('*** Error. Unbalanced parentheses')
except CalculatorException as e:
print(e)
def main():
print("Very simple calculator")
while True:
line = input('HAL 9000 :')
try:
wtok = TokenizeWrapper(line)
result = statement(wtok)
print('Result: ', result)
except TokenError:
print('*** Error. Unbalanced parentheses')
except CalculatorException as e:
print(e)
def test_assignment_pythagoras(self):
line = "sin(2)*sin(2) + cos(2)*cos(2)"
wtok = TokenizeWrapper( line )
result = my_calculator.assignment( wtok )
self.assertEqual(result , 1.0 )
def test_term_mul(self) :
line = "2 * 3"
wtok = TokenizeWrapper( line )
result = my_calculator.term( wtok )
self.assertEqual( result , 6 )
def test_assignment_dubbel_parantes_V(self):
line = "((1+3)"
wtok = TokenizeWrapper( line )
self.assertRaises(my_calculator.TokenError, my_calculator.assignment , wtok)
def test_assignment_parantes(self):
line = "(3 = z)"
wtok = TokenizeWrapper( line )
result = my_calculator.assignment( wtok )
self.assertEqual( my_calculator.vardict.get('z') , 3 )
def test_assingment_log_negativ_input(self):
line = "log( -1 )"
wtok = TokenizeWrapper( line )
self.assertRaises( my_calculator.CalculatorException , my_calculator.assignment, wtok )
def test_assingment_cos(self):
line = "cos(3.141592653589793)"
wtok = TokenizeWrapper( line )
result = my_calculator.assignment( wtok )
self.assertEqual( result , math.cos(math.pi))
def test_assingment_sin(self):
line = 'sin( 10 )'
wtok = TokenizeWrapper( line )
result = my_calculator.assignment( wtok )
self.assertEqual( result , math.sin( 10 ) )
def test_assignment_saknar_parantes(self):
line = "1+(2+7 = h"
wtok = TokenizeWrapper( line )
self.assertRaises(my_calculator.TokenError, my_calculator.assignment , wtok)
def test_assingment_funktion_utan_parantes(self):
line = "sin 4"
wtok = TokenizeWrapper( line )
self.assertRaises( my_calculator.CalculatorException , my_calculator.assignment, wtok )
def test_function_false(self):
line = 'roger';
wtok = TokenizeWrapper( line )
self.assertFalse( my_calculator.is_function( wtok ),msg=None )
def test_function_true(self):
line = 'sin';
wtok = TokenizeWrapper( line )
self.assertTrue( my_calculator.is_function( wtok ),msg=None )
def test_assignment_z(self):
line = "1 + 2 + 3 = z"
wtok = TokenizeWrapper( line )
result = my_calculator.assignment( wtok )
self.assertEqual( my_calculator.vardict.get('z') , 6 )
def test_assignment_inget_lika_med(self):
line = "1 - (5 - 2*2)/(1+1) - (-2 + 1)"
wtok = TokenizeWrapper( line )
result = my_calculator.assignment( wtok )
self.assertEqual(result , 1.5 )
def test_assignment_log(self):
line = "log( 2.718281828459045 )"
wtok = TokenizeWrapper( line )
result = my_calculator.assignment(wtok)
self.assertEqual( result , 1.0)
def test_assignment_two_equal_vars(self):
line = "(2=x=y)"
wtok = TokenizeWrapper( line )
result = my_calculator.assignment( wtok )
self.assertEqual(my_calculator.vardict.get('x') , 2 )
self.assertEqual(my_calculator.vardict.get('y') , 2 )
def test_assignment_exp(self):
line = 'exp( 0 )'
wtok = TokenizeWrapper( line )
result = my_calculator.assignment( wtok )
self.assertEqual( result , 1.0)
def test_expression_sju(self):
line = "7"
wtok = TokenizeWrapper( line )
result = my_calculator.expression( wtok )
self.assertEqual( result , 7 )
def test_assignment_minus(self):
line = "-(2+2)"
wtok = TokenizeWrapper( line )
result = my_calculator.assignment( wtok )
self.assertEqual( result , -4.0)
def test_expression_minus(self):
line = "2-3"
wtok = TokenizeWrapper( line )
result = my_calculator.expression( wtok )
self.assertEqual( result , -1 )
def test_statement_dubbel_parantes_H(self):
line = "(1+3))"
wtok = TokenizeWrapper( line )
self.assertRaises(my_calculator.CalculatorException, my_calculator.statement , wtok)
def test_term_sinus(self) :
line = "sin(2)*sin(2)"
wtok = TokenizeWrapper( line )
result = my_calculator.term( wtok )
self.assertEqual( result , math.sin(2)*math.sin(2) )
def test_statement_quit(self):
line = "quit"
wtok = TokenizeWrapper( line )
self.assertRaises(SystemExit, my_calculator.statement, wtok)