# coding: utf-8


import pytest  # NOQA


class TestNone:
    def test_dump00(self):
        import srsly.ruamel_yaml  # NOQA

        data = None
        s = srsly.ruamel_yaml.round_trip_dump(data)
        assert s == "null\n...\n"
        d = srsly.ruamel_yaml.round_trip_load(s)
        assert d == data

    def test_dump01(self):
        import srsly.ruamel_yaml  # NOQA

        data = None
        s = srsly.ruamel_yaml.round_trip_dump(data, explicit_end=True)
        assert s == "null\n...\n"
        d = srsly.ruamel_yaml.round_trip_load(s)
        assert d == data

    def test_dump02(self):
        import srsly.ruamel_yaml  # NOQA

        data = None
        s = srsly.ruamel_yaml.round_trip_dump(data, explicit_end=False)
        assert s == "null\n...\n"
        d = srsly.ruamel_yaml.round_trip_load(s)
        assert d == data

    def test_dump03(self):
        import srsly.ruamel_yaml  # NOQA

        data = None
        s = srsly.ruamel_yaml.round_trip_dump(data, explicit_start=True)
        assert s == "---\n...\n"
        d = srsly.ruamel_yaml.round_trip_load(s)
        assert d == data

    def test_dump04(self):
        import srsly.ruamel_yaml  # NOQA

        data = None
        s = srsly.ruamel_yaml.round_trip_dump(
            data, explicit_start=True, explicit_end=False
        )
        assert s == "---\n...\n"
        d = srsly.ruamel_yaml.round_trip_load(s)
        assert d == data