import difflib

import pytest

import jedi.parser as parser

code_basic_features = '''
"""A mod docstring"""

def a_function(a_argument, a_default = "default"):
    """A func docstring"""

    a_result = 3 * a_argument
    print(a_result)  # a comment
    b = """
from
to""" + "huhu"


    if a_default == "default":
        return str(a_result)
    else
        return None
'''


def diff_code_assert(a, b, n=4):
    if a != b:
        diff = "\n".join(difflib.unified_diff(
            a.splitlines(),
            b.splitlines(),
            n=n,
            lineterm=""
        ))
        assert False, "Code does not match:\n%s\n\ncreated code:\n%s" % (
            diff,
            b
        )
    pass


@pytest.mark.skipif('True', reason='Refactor a few parser things first.')
def test_basic_parsing():
    """Validate the parsing features"""

    prs = parser.Parser(code_basic_features)
    diff_code_assert(
        code_basic_features,
        prs.module.get_code2()
    )


@pytest.mark.skipif('True', reason='Not yet working.')
def test_operators():
    src = '5  * 3'
    prs = parser.Parser(src)
    diff_code_assert(src, prs.module.get_code())