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
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
import unittest.mock
import pytest
from packaging.requirements import Requirement
from dependency_groups import DependencyGroupInclude, DependencyGroupResolver
def test_resolver_init_handles_bad_type():
with pytest.raises(TypeError):
DependencyGroupResolver([])
def test_resolver_init_catches_normalization_conflict():
groups = {"test": ["pytest"], "Test": ["pytest", "coverage"]}
with pytest.raises(ValueError, match="Duplicate dependency group names"):
DependencyGroupResolver(groups)
def test_lookup_catches_bad_type():
groups = {"test": ["pytest"]}
resolver = DependencyGroupResolver(groups)
with pytest.raises(TypeError):
resolver.lookup(0)
def test_lookup_on_trivial_normalization():
groups = {"test": ["pytest"]}
resolver = DependencyGroupResolver(groups)
parsed_group = resolver.lookup("Test")
assert len(parsed_group) == 1
assert isinstance(parsed_group[0], Requirement)
req = parsed_group[0]
assert req.name == "pytest"
def test_lookup_with_include_result():
groups = {
"test": ["pytest", {"include-group": "runtime"}],
"runtime": ["click"],
}
resolver = DependencyGroupResolver(groups)
parsed_group = resolver.lookup("test")
assert len(parsed_group) == 2
assert isinstance(parsed_group[0], Requirement)
assert parsed_group[0].name == "pytest"
assert isinstance(parsed_group[1], DependencyGroupInclude)
assert parsed_group[1].include_group == "runtime"
def test_lookup_does_not_trigger_cyclic_include():
groups = {
"group1": [{"include-group": "group2"}],
"group2": [{"include-group": "group1"}],
}
resolver = DependencyGroupResolver(groups)
parsed_group = resolver.lookup("group1")
assert len(parsed_group) == 1
assert isinstance(parsed_group[0], DependencyGroupInclude)
assert parsed_group[0].include_group == "group2"
def test_expand_contract_model_only_does_inner_lookup_once():
groups = {
"root": [
{"include-group": "mid1"},
{"include-group": "mid2"},
{"include-group": "mid3"},
{"include-group": "mid4"},
],
"mid1": [{"include-group": "contract"}],
"mid2": [{"include-group": "contract"}],
"mid3": [{"include-group": "contract"}],
"mid4": [{"include-group": "contract"}],
"contract": [{"include-group": "leaf"}],
"leaf": ["attrs"],
}
resolver = DependencyGroupResolver(groups)
real_inner_resolve = resolver._resolve
with unittest.mock.patch(
"dependency_groups.DependencyGroupResolver._resolve",
side_effect=real_inner_resolve,
) as spy:
resolved = resolver.resolve("root")
assert len(resolved) == 4
assert all(item.name == "attrs" for item in resolved)
# each of the `mid` nodes will call resolution with `contract`, but only the
# first of those evaluations should call for resolution of `leaf` -- after that,
# `contract` will be in the cache and `leaf` will not need to be resolved
spy.assert_any_call("leaf", "root")
leaf_calls = [c for c in spy.mock_calls if c.args[0] == "leaf"]
assert len(leaf_calls) == 1
def test_no_double_parse():
groups = {
"test": [{"include-group": "runtime"}],
"runtime": ["click"],
}
resolver = DependencyGroupResolver(groups)
parse = resolver.lookup("test")
assert len(parse) == 1
assert isinstance(parse[0], DependencyGroupInclude)
assert parse[0].include_group == "runtime"
mock_include = DependencyGroupInclude(include_group="perfidy")
with unittest.mock.patch(
"dependency_groups._implementation.DependencyGroupInclude",
return_value=mock_include,
):
# rerunning with that resolver will not re-resolve
reparse = resolver.lookup("test")
assert len(reparse) == 1
assert isinstance(reparse[0], DependencyGroupInclude)
assert reparse[0].include_group == "runtime"
# but verify that a fresh resolver (no cache) will get the mock
deceived_resolver = DependencyGroupResolver(groups)
deceived_parse = deceived_resolver.lookup("test")
assert len(deceived_parse) == 1
assert isinstance(deceived_parse[0], DependencyGroupInclude)
assert deceived_parse[0].include_group == "perfidy"
@pytest.mark.parametrize("group_name_declared", ("foo-bar", "foo_bar", "foo..bar"))
@pytest.mark.parametrize("group_name_used", ("foo-bar", "foo_bar", "foo..bar"))
def test_normalized_name_is_used_for_include_group_lookups(
group_name_declared, group_name_used
):
groups = {
group_name_declared: ["spam"],
"eggs": [{"include-group": group_name_used}],
}
resolver = DependencyGroupResolver(groups)
result = resolver.resolve("eggs")
assert len(result) == 1
assert isinstance(result[0], Requirement)
req = result[0]
assert req.name == "spam"
|
