1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
# coding: utf-8
"""
testing of anchors and the aliases referring to them
"""
import sys
import pytest # type: ignore
from typing import Any
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() -> Any:
from ruamel.yaml import YAML
return YAML()
class TestOldStyle:
def test_single_load(self) -> None:
d = get_yaml().load(single_doc)
print(d)
print(type(d[0]))
assert d == single_data
def test_single_load_no_arg(self) -> None:
with pytest.raises(TypeError):
assert get_yaml().load() == single_data
def test_multi_load(self) -> None:
data = list(get_yaml().load_all(multi_doc))
assert data == multi_doc_data
def test_single_dump(self, capsys: Any) -> None:
get_yaml().dump(single_data, sys.stdout)
out, err = capsys.readouterr()
assert out == single_doc
def test_multi_dump(self, capsys: Any) -> None:
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: Any) -> None:
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: Any) -> None:
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: Any) -> None:
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
|
