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|
# coding: utf-8
from __future__ import print_function
"""
testing of anchors and the aliases referring to them
"""
import sys
import pytest
single_doc = """\
- a: 1
- b:
- 2
- 3
"""
single_data = [dict(a=1), dict(b=[2, 3])]
multi_doc = """\
---
- abc
- xyz
---
- a: 1
- b:
- 2
- 3
"""
multi_doc_data = [['abc', 'xyz'], single_data]
def get_yaml():
from ruamel.yaml import YAML
return YAML()
class TestOldStyle:
def test_single_load(self):
d = get_yaml().load(single_doc)
print(d)
print(type(d[0]))
assert d == single_data
def test_single_load_no_arg(self):
with pytest.raises(TypeError):
assert get_yaml().load() == single_data
def test_multi_load(self):
data = list(get_yaml().load_all(multi_doc))
assert data == multi_doc_data
def test_single_dump(self, capsys):
get_yaml().dump(single_data, sys.stdout)
out, err = capsys.readouterr()
assert out == single_doc
def test_multi_dump(self, capsys):
yaml = get_yaml()
yaml.explicit_start = True
yaml.dump_all(multi_doc_data, sys.stdout)
out, err = capsys.readouterr()
assert out == multi_doc
class TestContextManager:
def test_single_dump(self, capsys):
from ruamel.yaml import YAML
with YAML(output=sys.stdout) as yaml:
yaml.dump(single_data)
out, err = capsys.readouterr()
print(err)
assert out == single_doc
def test_multi_dump(self, capsys):
from ruamel.yaml import YAML
with YAML(output=sys.stdout) as yaml:
yaml.explicit_start = True
yaml.dump(multi_doc_data[0])
yaml.dump(multi_doc_data[1])
out, err = capsys.readouterr()
print(err)
assert out == multi_doc
# input is not as simple with a context manager
# you need to indicate what you expect hence load and load_all
# @pytest.mark.xfail(strict=True)
# def test_single_load(self):
# from ruamel.yaml import YAML
# with YAML(input=single_doc) as yaml:
# assert yaml.load() == single_data
#
# @pytest.mark.xfail(strict=True)
# def test_multi_load(self):
# from ruamel.yaml import YAML
# with YAML(input=multi_doc) as yaml:
# for idx, data in enumerate(yaml.load()):
# assert data == multi_doc_data[0]
def test_roundtrip(self, capsys):
from ruamel.yaml import YAML
with YAML(output=sys.stdout) as yaml:
yaml.explicit_start = True
for data in yaml.load_all(multi_doc):
yaml.dump(data)
out, err = capsys.readouterr()
print(err)
assert out == multi_doc
|
