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
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
from pytest import raises
from ..argument import Argument
from ..dynamic import Dynamic
from ..mutation import Mutation
from ..objecttype import ObjectType
from ..scalars import String
from ..schema import Schema
from ..structures import NonNull
from ..interface import Interface
class MyType(Interface):
pass
def test_generate_mutation_no_args():
class MyMutation(Mutation):
"""Documentation"""
def mutate(self, info, **args):
return args
assert issubclass(MyMutation, ObjectType)
assert MyMutation._meta.name == "MyMutation"
assert MyMutation._meta.description == "Documentation"
resolved = MyMutation.Field().resolver(None, None, name="Peter")
assert resolved == {"name": "Peter"}
def test_generate_mutation_with_meta():
class MyMutation(Mutation):
class Meta:
name = "MyOtherMutation"
description = "Documentation"
interfaces = (MyType,)
def mutate(self, info, **args):
return args
assert MyMutation._meta.name == "MyOtherMutation"
assert MyMutation._meta.description == "Documentation"
assert MyMutation._meta.interfaces == (MyType,)
resolved = MyMutation.Field().resolver(None, None, name="Peter")
assert resolved == {"name": "Peter"}
def test_mutation_raises_exception_if_no_mutate():
with raises(AssertionError) as excinfo:
class MyMutation(Mutation):
pass
assert "All mutations must define a mutate method in it" == str(excinfo.value)
def test_mutation_custom_output_type():
class User(ObjectType):
name = String()
class CreateUser(Mutation):
class Arguments:
name = String()
Output = User
def mutate(self, info, name):
return User(name=name)
field = CreateUser.Field()
assert field.type == User
assert field.args == {"name": Argument(String)}
resolved = field.resolver(None, None, name="Peter")
assert isinstance(resolved, User)
assert resolved.name == "Peter"
def test_mutation_execution():
class CreateUser(Mutation):
class Arguments:
name = String()
dynamic = Dynamic(lambda: String())
dynamic_none = Dynamic(lambda: None)
name = String()
dynamic = Dynamic(lambda: String())
def mutate(self, info, name, dynamic):
return CreateUser(name=name, dynamic=dynamic)
class Query(ObjectType):
a = String()
class MyMutation(ObjectType):
create_user = CreateUser.Field()
schema = Schema(query=Query, mutation=MyMutation)
result = schema.execute(
""" mutation mymutation {
createUser(name:"Peter", dynamic: "dynamic") {
name
dynamic
}
}
"""
)
assert not result.errors
assert result.data == {"createUser": {"name": "Peter", "dynamic": "dynamic"}}
def test_mutation_no_fields_output():
class CreateUser(Mutation):
name = String()
def mutate(self, info):
return CreateUser()
class Query(ObjectType):
a = String()
class MyMutation(ObjectType):
create_user = CreateUser.Field()
schema = Schema(query=Query, mutation=MyMutation)
result = schema.execute(
""" mutation mymutation {
createUser {
name
}
}
"""
)
assert not result.errors
assert result.data == {"createUser": {"name": None}}
def test_mutation_allow_to_have_custom_args():
class CreateUser(Mutation):
class Arguments:
name = String()
name = String()
def mutate(self, info, name):
return CreateUser(name=name)
class MyMutation(ObjectType):
create_user = CreateUser.Field(
name="createUser",
description="Create a user",
deprecation_reason="Is deprecated",
required=True,
)
field = MyMutation._meta.fields["create_user"]
assert field.name == "createUser"
assert field.description == "Create a user"
assert field.deprecation_reason == "Is deprecated"
assert field.type == NonNull(CreateUser)
def test_mutation_default_args_output():
class CreateUser(Mutation):
"""Description."""
class Arguments:
name = String()
name = String()
def mutate(self, info, name):
return CreateUser(name=name)
class MyMutation(ObjectType):
create_user = CreateUser.Field()
field = MyMutation._meta.fields["create_user"]
assert field.name is None
assert field.description == "Description."
assert field.deprecation_reason is None
assert field.type == CreateUser
def test_mutation_as_subclass():
class BaseCreateUser(Mutation):
class Arguments:
name = String()
name = String()
def mutate(self, info, **args):
return args
class CreateUserWithPlanet(BaseCreateUser):
class Arguments(BaseCreateUser.Arguments):
planet = String()
planet = String()
def mutate(self, info, **args):
return CreateUserWithPlanet(**args)
class MyMutation(ObjectType):
create_user_with_planet = CreateUserWithPlanet.Field()
class Query(ObjectType):
a = String()
schema = Schema(query=Query, mutation=MyMutation)
result = schema.execute(
""" mutation mymutation {
createUserWithPlanet(name:"Peter", planet: "earth") {
name
planet
}
}
"""
)
assert not result.errors
assert result.data == {"createUserWithPlanet": {"name": "Peter", "planet": "earth"}}
|
