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# coding: utf-8
"""
Testing copy and deepcopy, instigated by Issue 84 (Peter Amstutz)
"""
import copy
import pytest # NOQA
from roundtrip import dedent, round_trip_load, round_trip_dump
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
"""
)
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