forked from tfoxy/graphene-django-optimizer
-
Notifications
You must be signed in to change notification settings - Fork 0
/
test_resolver.py
196 lines (177 loc) · 5.43 KB
/
test_resolver.py
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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
import pytest
from django.db.models import Prefetch
import graphene_django_optimizer as gql_optimizer
from .graphql_utils import create_resolve_info
from .models import Item
from .schema import schema
from .test_utils import assert_query_equality
@pytest.mark.django_db
def test_should_optimize_non_django_field_if_it_has_an_optimization_hint_in_the_resolver():
# parent = Item.objects.create(name='foo')
# Item.objects.create(name='bar', parent=parent)
# Item.objects.create(name='foobar', parent=parent)
info = create_resolve_info(
schema,
"""
query {
items(name: "foo") {
id
foo
childrenNames
}
}
""",
)
qs = Item.objects.filter(name="foo")
items = gql_optimizer.query(qs, info)
optimized_items = qs.prefetch_related(
Prefetch(
"children",
queryset=Item.objects.only("id", "parent_id"),
),
)
assert_query_equality(items, optimized_items)
@pytest.mark.django_db
def test_should_optimize_with_prefetch_related_as_a_string():
# parent = Item.objects.create(name='foo')
# Item.objects.create(name='bar', parent=parent)
# Item.objects.create(name='foobar', parent=parent)
info = create_resolve_info(
schema,
"""
query {
items(name: "foo") {
id
foo
auxChildrenNames
}
}
""",
)
qs = Item.objects.filter(name="foo")
items = gql_optimizer.query(qs, info)
optimized_items = qs.prefetch_related("children")
assert_query_equality(items, optimized_items)
@pytest.mark.django_db
def test_should_optimize_with_prefetch_related_as_a_function():
# parent = Item.objects.create(name='foo')
# Item.objects.create(name='bar', parent=parent)
# Item.objects.create(name='foobar', parent=parent)
info = create_resolve_info(
schema,
"""
query {
items(name: "foo") {
id
foo
filteredChildren(name: "bar") {
id
foo
}
}
}
""",
)
qs = Item.objects.filter(name="foo")
items = gql_optimizer.query(qs, info)
optimized_items = qs.prefetch_related(
Prefetch(
"children",
queryset=Item.objects.filter(name="bar"),
to_attr="gql_filtered_children_bar",
),
)
assert_query_equality(items, optimized_items)
QUERY_CONNECTION_NESTED_INPUT_OBJECT = """
query($filters: ItemFilterInput) {
items(name: "foo") {
id
foo
childrenCustomFiltered(filterInput: $filters) {
edges {
node {
id
value
}
}
}
}
}
"""
@pytest.mark.parametrize(
"variables, expected_gte",
[
({"filters": {"value": {"gte": 11}}}, 11),
({}, 0),
],
)
@pytest.mark.django_db
def test_should_optimize_with_prefetch_related_as_a_function_with_object_input(
variables, expected_gte
):
"""This test attempt to provide a nested object as a variable and a null value
as a filter. The objective is to ensure null and nested objects are properly
resolved.
"""
query = QUERY_CONNECTION_NESTED_INPUT_OBJECT
info = create_resolve_info(schema, query, variables=variables)
optimized_items = Item.objects.prefetch_related(
Prefetch(
"children",
queryset=Item.objects.only("id", "value").filter(value__gte=expected_gte),
to_attr="gql_custom_filtered_children",
),
)
items = gql_optimizer.query(Item.objects, info)
assert_query_equality(items, optimized_items)
@pytest.mark.django_db
def test_should_return_valid_result_with_prefetch_related_as_a_function():
parent = Item.objects.create(id=1, name="foo")
Item.objects.create(id=2, name="bar", parent=parent)
Item.objects.create(id=3, name="foobar", parent=parent)
result = schema.execute(
"""
query {
items(name: "foo") {
id
foo
filteredChildren(name: "bar") {
id
parentId
foo
}
}
}
"""
)
assert not result.errors
assert result.data["items"][0]["filteredChildren"][0]["id"] == "SXRlbVR5cGU6Mg=="
assert (
result.data["items"][0]["filteredChildren"][0]["parentId"] == "SXRlbVR5cGU6MQ=="
)
@pytest.mark.django_db
def test_should_return_valid_result_with_prefetch_related_as_a_function_using_variable():
parent = Item.objects.create(id=1, name="foo")
Item.objects.create(id=2, name="bar", parent=parent)
Item.objects.create(id=3, name="foobar", parent=parent)
result = schema.execute(
"""
query Foo ($name: String!) {
items(name: "foo") {
id
foo
filteredChildren(name: $name) {
id
parentId
foo
}
}
}
""",
variables={"name": "bar"},
)
assert not result.errors
assert result.data["items"][0]["filteredChildren"][0]["id"] == "SXRlbVR5cGU6Mg=="
assert (
result.data["items"][0]["filteredChildren"][0]["parentId"] == "SXRlbVR5cGU6MQ=="
)