# coding: utf-8

"""
Testing copy and deepcopy, instigated by Issue 84 (Peter Amstutz)
"""

import copy

import pytest  # NOQA

from .roundtrip import dedent, round_trip_dump, round_trip_load


class TestDeepCopy:
    def test_preserve_flow_style_simple(self):
        x = dedent(
            """\
        {foo: bar, baz: quux}
        """
        )
        data = round_trip_load(x)
        data_copy = copy.deepcopy(data)
        y = round_trip_dump(data_copy)
        print('x [{}]'.format(x))
        print('y [{}]'.format(y))
        assert y == x
        assert data.fa.flow_style() == data_copy.fa.flow_style()

    def test_deepcopy_flow_style_nested_dict(self):
        x = dedent(
            """\
        a: {foo: bar, baz: quux}
        """
        )
        data = round_trip_load(x)
        assert data['a'].fa.flow_style() is True
        data_copy = copy.deepcopy(data)
        assert data_copy['a'].fa.flow_style() is True
        data_copy['a'].fa.set_block_style()
        assert data['a'].fa.flow_style() != data_copy['a'].fa.flow_style()
        assert data['a'].fa._flow_style is True
        assert data_copy['a'].fa._flow_style is False
        y = round_trip_dump(data_copy)

        print('x [{}]'.format(x))
        print('y [{}]'.format(y))
        assert y == dedent(
            """\
        a:
          foo: bar
          baz: quux
        """
        )

    def test_deepcopy_flow_style_nested_list(self):
        x = dedent(
            """\
        a: [1, 2, 3]
        """
        )
        data = round_trip_load(x)
        assert data['a'].fa.flow_style() is True
        data_copy = copy.deepcopy(data)
        assert data_copy['a'].fa.flow_style() is True
        data_copy['a'].fa.set_block_style()
        assert data['a'].fa.flow_style() != data_copy['a'].fa.flow_style()
        assert data['a'].fa._flow_style is True
        assert data_copy['a'].fa._flow_style is False
        y = round_trip_dump(data_copy)

        print('x [{}]'.format(x))
        print('y [{}]'.format(y))
        assert y == dedent(
            """\
        a:
        - 1
        - 2
        - 3
        """
        )


class TestCopy:
    def test_copy_flow_style_nested_dict(self):
        x = dedent(
            """\
        a: {foo: bar, baz: quux}
        """
        )
        data = round_trip_load(x)
        assert data['a'].fa.flow_style() is True
        data_copy = copy.copy(data)
        assert data_copy['a'].fa.flow_style() is True
        data_copy['a'].fa.set_block_style()
        assert data['a'].fa.flow_style() == data_copy['a'].fa.flow_style()
        assert data['a'].fa._flow_style is False
        assert data_copy['a'].fa._flow_style is False
        y = round_trip_dump(data_copy)
        z = round_trip_dump(data)
        assert y == z

        assert y == dedent(
            """\
        a:
          foo: bar
          baz: quux
        """
        )

    def test_copy_flow_style_nested_list(self):
        x = dedent(
            """\
        a: [1, 2, 3]
        """
        )
        data = round_trip_load(x)
        assert data['a'].fa.flow_style() is True
        data_copy = copy.copy(data)
        assert data_copy['a'].fa.flow_style() is True
        data_copy['a'].fa.set_block_style()
        assert data['a'].fa.flow_style() == data_copy['a'].fa.flow_style()
        assert data['a'].fa._flow_style is False
        assert data_copy['a'].fa._flow_style is False
        y = round_trip_dump(data_copy)

        print('x [{}]'.format(x))
        print('y [{}]'.format(y))
        assert y == dedent(
            """\
        a:
        - 1
        - 2
        - 3
        """
        )