import unittest

from curtsies.fmtfuncs import bold, green, magenta, cyan, red, plain

from bpython.curtsiesfrontend import interpreter

class Interpreter(interpreter.Interp):

def __init__(self):

super().__init__()

self.a = []

self.write = self.a.append

class TestInterpreter(unittest.TestCase):

def test_syntaxerror(self):

i = Interpreter()

i.runsource("1.1.1.1")

expected = (

" File "

+ green('"<input>"')

+ ", line "

+ bold(magenta("1"))

+ "\n 1.1.1.1\n ^^\n"

+ bold(red("SyntaxError"))

+ ": "

+ cyan("invalid syntax")

+ "\n"

)

a = i.a

self.assertMultiLineEqual(str(plain("").join(a)), str(expected))

self.assertEqual(plain("").join(a), expected)

def test_traceback(self):

i = Interpreter()

def f():

return 1 / 0

def gfunc():

return f()

i.runsource("gfunc()")

a = str(plain("").join(i.a))

self.assertIn("name 'gfunc' is not defined", a)

self.assertIn("NameErro", a)

def test_getsource_works_on_interactively_defined_functions(self):

source = "def foo(x):\n return x + 1\n"

i = interpreter.Interp()

i.runsource(source)

import inspect

inspected_source = inspect.getsource(i.locals["foo"])

self.assertEqual(inspected_source, source)