from hypothesis import given
from hypothesis.strategies import binary

from mitmproxy.contentviews import json
from . import full_eval


def test_parse_json():
    assert json.parse_json(b'{"foo": 1}')
    assert json.parse_json(b'null') is None
    assert json.parse_json(b"moo") is json.PARSE_ERROR
    assert json.parse_json(b'{"foo" : "\xe4\xb8\x96\xe7\x95\x8c"}')  # utf8 with chinese characters
    assert json.parse_json(b'{"foo" : "\xFF"}') is json.PARSE_ERROR


def test_format_json():
    assert list(json.format_json({
        "data": [
            "str",
            42,
            True,
            False,
            None,
            {},
            []
        ]
    }))


def test_view_json():
    v = full_eval(json.ViewJSON())
    assert v(b"null")
    assert v(b"{}")
    assert not v(b"{")
    assert v(b"[1, 2, 3, 4, 5]")
    assert v(b'{"foo" : 3}')
    assert v(b'{"foo": true, "nullvalue": null}')


@given(binary())
def test_view_json_doesnt_crash(data):
    v = full_eval(json.ViewJSON())
    v(data)