def test_print_string(capsys):
program = 'print("to moj string")'
interpreter = Interpreter(program)
interpreter.interprete()
out, err = capsys.readouterr()
assert out == 'to moj string\n'
def test_operation_plus():
z = '777'
t = '666'
program = 'var z = ' + z + ' var t = ' + t + ' var p = 0 p = z + t'
interpreter2 = Interpreter(program)
interpreter2.interprete()
vars2 = interpreter2.variables
assert int(z) + int(t) == vars2['p']
def test_while_loop_currency(capsys):
program = 'var x = 0 [USD]' \
'while( x < 5 [USD]){' \
'x = x + 1[USD] }' \
'print(x)'
interpreter = Interpreter(program)
interpreter.interprete()
out, err = capsys.readouterr()
assert out == '5.0 USD\n'
def test_while_loop(capsys):
program = 'var x = 0' \
'while( 5 > x){' \
'x = 1 + x }' \
'print(x)'
interpreter = Interpreter(program)
interpreter.interprete()
out, err = capsys.readouterr()
assert out == '5\n'
def test_condition_or_and_false(capsys):
program = 'var x = 0' \
'var y = 5 [USD]' \
'if( 0 != x & y < 10 [USD] | 0 != 0 ){' \
'print(x) } '
interpreter = Interpreter(program)
interpreter.interprete()
out, err = capsys.readouterr()
assert out == ''
def test_condition_or_false(capsys):
program = 'var x = 10' \
'var y = 1 [USD]' \
'if( 0 > x | y < 0[USD]){' \
'print( x) }' \
interpreter = Interpreter(program)
interpreter.interprete()
out, err = capsys.readouterr()
assert out == ''
def test_condition_and_true(capsys):
program = 'var x = 10' \
'var y = 1 [USD]' \
'if( 0 < x & y > 0[USD]){' \
'print( x) }' \
interpreter = Interpreter(program)
interpreter.interprete()
out, err = capsys.readouterr()
assert out == '10\n'
def test_if_condition_false(capsys):
program = 'var x = 0' \
'var y = 10' \
'if( x > y){' \
'print(y) }'
interpreter = Interpreter(program)
interpreter.interprete()
out, err = capsys.readouterr()
assert out == ''
def test_function_return_currency(capsys):
program = 'def func(x, y, z){' \
'return x + y + z }' \
'var result = 0 [USD]' \
'result = func(1 [USD], 1 [USD] , 1 [USD])' \
'print(result)'
interpreter = Interpreter(program)
interpreter.interprete()
out, err = capsys.readouterr()
assert out == '3.0 USD\n'
def test_function_return(capsys):
program = 'def func(x, y){' \
'return x + y }' \
'var x = 0' \
'x = func(10, 10)' \
'print(x)'
interpreter = Interpreter(program)
interpreter.interprete()
out, err = capsys.readouterr()
assert out == str(10 + 10) + '\n'
def test_function_call_currencies(capsys):
program = 'def func(x, y, z) { ' \
'print(x) ' \
'print(y) ' \
'print(z) } ' \
'func(1 [USD], 2 [CHF], 3 [DKK]) '
interpreter = Interpreter(program)
interpreter.interprete()
out, err = capsys.readouterr()
assert out == '1.0 USD\n2.0 CHF\n3.0 DKK\n'
def test_variable_assignment(capsys):
x = 'var x = 100 '
y = 'var y = 200 [USD] '
print = 'print(y) print(x)'
interpreter = Interpreter(x + y + print)
interpreter.interprete()
out, err = capsys.readouterr()
varss = interpreter.variables
assert varss['x'] == 100
assert out == '200.0 USD\n100\n'
def test_function_call(capsys):
program = 'def func(x, y, z) { ' \
'print(x) ' \
'print(y) ' \
'print(z) } ' \
'func(1, 2 ,3) '
interpreter = Interpreter(program)
interpreter.interprete()
out, err = capsys.readouterr()
assert out == '1\n2\n3\n'
def test_basic_operations(capsys):
program = 'var x = 0' \
'x = 2 + 2 * 2' \
'var t = 10' \
'var y = 10 [CHF]' \
'y = y /2 + y * 10' \
'print(y)' \
interpreter = Interpreter(program)
interpreter.interprete()
out, err = capsys.readouterr()
variables = interpreter.variables
assert variables['x'] == 6
assert out == '105.0 CHF\n'
from interpreter.interpreter import Interpreter
import sys
if len(sys.argv) == 2:
file = sys.argv[1]
else:
file = 'program.txt'
interpreter = Interpreter(file)
interpreter.interprete()