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8 files changed

+224
-197
lines changed

‎src/execution/__tests__/executor-test.ts‎

Lines changed: 0 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1323,4 +1323,3 @@ describe('Execute: Handles basic execution tasks', () => {
13231323
expect(possibleTypes).to.deep.equal([fooObject]);
13241324
});
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});
1326-

‎src/execution/__tests__/semantic-nullability-test.ts‎

Lines changed: 178 additions & 168 deletions
Original file line numberDiff line numberDiff line change
@@ -6,205 +6,215 @@ import { GraphQLError } from '../../error/GraphQLError';
66
import type { ExecutableDefinitionNode, FieldNode } from '../../language/ast';
77
import { parse } from '../../language/parser';
88

9-
import { GraphQLNonNull, GraphQLObjectType, GraphQLSemanticNonNull, GraphQLSemanticNullable } from '../../type/definition';
9+
import {
10+
GraphQLNonNull,
11+
GraphQLObjectType,
12+
GraphQLSemanticNonNull,
13+
GraphQLSemanticNullable,
14+
} from '../../type/definition';
1015
import { GraphQLString } from '../../type/scalars';
1116
import { GraphQLSchema } from '../../type/schema';
1217

1318
import { execute } from '../execute';
1419

1520
describe('Execute: Handles Semantic Nullability', () => {
16-
const DeepDataType = new GraphQLObjectType({
17-
name: 'DeepDataType',
18-
fields: {
19-
f: { type: new GraphQLNonNull(GraphQLString) }
20-
},
21-
});
22-
23-
const DataType: GraphQLObjectType = new GraphQLObjectType({
24-
name: 'DataType',
25-
fields: () => ({
26-
a: { type: new GraphQLSemanticNullable(GraphQLString) },
27-
b: { type: new GraphQLSemanticNonNull(GraphQLString) },
28-
c: { type: new GraphQLNonNull(GraphQLString) },
29-
d: { type: new GraphQLSemanticNonNull(DeepDataType) }
30-
}),
31-
});
32-
33-
it('SemanticNonNull throws error on null without error', async () => {
34-
const data = {
35-
a: () => 'Apple',
36-
b: () => null,
37-
c: () => 'Cookie'
38-
};
39-
40-
const document = parse(`
21+
const DeepDataType = new GraphQLObjectType({
22+
name: 'DeepDataType',
23+
fields: {
24+
f: { type: new GraphQLNonNull(GraphQLString) },
25+
},
26+
});
27+
28+
const DataType: GraphQLObjectType = new GraphQLObjectType({
29+
name: 'DataType',
30+
fields: () => ({
31+
a: { type: new GraphQLSemanticNullable(GraphQLString) },
32+
b: { type: new GraphQLSemanticNonNull(GraphQLString) },
33+
c: { type: new GraphQLNonNull(GraphQLString) },
34+
d: { type: new GraphQLSemanticNonNull(DeepDataType) },
35+
}),
36+
});
37+
38+
it('SemanticNonNull throws error on null without error', async () => {
39+
const data = {
40+
a: () => 'Apple',
41+
b: () => null,
42+
c: () => 'Cookie',
43+
};
44+
45+
const document = parse(`
4146
query {
4247
b
4348
}
4449
`);
45-
46-
const result = await execute({
47-
schema: new GraphQLSchema({ query: DataType }),
48-
document,
49-
rootValue: data,
50-
});
51-
52-
const executable = document.definitions?.values().next().value as ExecutableDefinitionNode;
53-
const selectionSet = executable.selectionSet.selections.values().next().value;
54-
55-
expect(result).to.deep.equal({
56-
data: {
57-
b: null
58-
},
59-
errors: [
60-
new GraphQLError(
61-
'Cannot return null for semantic-non-nullable field DataType.b.',
62-
{
63-
nodes: selectionSet,
64-
path: ['b']
65-
}
66-
)
67-
]
68-
});
50+
51+
const result = await execute({
52+
schema: new GraphQLSchema({ query: DataType }),
53+
document,
54+
rootValue: data,
55+
});
56+
57+
const executable = document.definitions?.values().next()
58+
.value as ExecutableDefinitionNode;
59+
const selectionSet = executable.selectionSet.selections
60+
.values()
61+
.next().value;
62+
63+
expect(result).to.deep.equal({
64+
data: {
65+
b: null,
66+
},
67+
errors: [
68+
new GraphQLError(
69+
'Cannot return null for semantic-non-nullable field DataType.b.',
70+
{
71+
nodes: selectionSet,
72+
path: ['b'],
73+
},
74+
),
75+
],
6976
});
70-
71-
it('SemanticNonNull succeeds on null with error', async () => {
72-
const data = {
73-
a: () => 'Apple',
74-
b: () => { throw new Error(
75-
'Something went wrong',
76-
); },
77-
c: () => 'Cookie'
78-
};
79-
80-
const document = parse(`
77+
});
78+
79+
it('SemanticNonNull succeeds on null with error', async () => {
80+
const data = {
81+
a: () => 'Apple',
82+
b: () => {
83+
throw new Error('Something went wrong');
84+
},
85+
c: () => 'Cookie',
86+
};
87+
88+
const document = parse(`
8189
query {
8290
b
8391
}
8492
`);
85-
86-
const executable = document.definitions?.values().next().value as ExecutableDefinitionNode;
87-
const selectionSet = executable.selectionSet.selections.values().next().value;
88-
89-
const result = await execute({
90-
schema: new GraphQLSchema({ query: DataType }),
91-
document,
92-
rootValue: data,
93-
});
94-
95-
expect(result).to.deep.equal({
96-
data: {
97-
b: null
98-
},
99-
errors: [
100-
new GraphQLError(
101-
'Something went wrong',
102-
{
103-
nodes: selectionSet,
104-
path: ['b']
105-
}
106-
)
107-
]
108-
});
93+
94+
const executable = document.definitions?.values().next()
95+
.value as ExecutableDefinitionNode;
96+
const selectionSet = executable.selectionSet.selections
97+
.values()
98+
.next().value;
99+
100+
const result = await execute({
101+
schema: new GraphQLSchema({ query: DataType }),
102+
document,
103+
rootValue: data,
104+
});
105+
106+
expect(result).to.deep.equal({
107+
data: {
108+
b: null,
109+
},
110+
errors: [
111+
new GraphQLError('Something went wrong', {
112+
nodes: selectionSet,
113+
path: ['b'],
114+
}),
115+
],
109116
});
110-
111-
it('SemanticNonNull halts null propagation', async () => {
112-
const deepData = {
113-
f: () => null
114-
};
115-
116-
const data = {
117-
a: () => 'Apple',
118-
b: () => null,
119-
c: () => 'Cookie',
120-
d: () => deepData
121-
};
122-
123-
124-
const document = parse(`
117+
});
118+
119+
it('SemanticNonNull halts null propagation', async () => {
120+
const deepData = {
121+
f: () => null,
122+
};
123+
124+
const data = {
125+
a: () => 'Apple',
126+
b: () => null,
127+
c: () => 'Cookie',
128+
d: () => deepData,
129+
};
130+
131+
const document = parse(`
125132
query {
126133
d {
127134
f
128135
}
129136
}
130137
`);
131-
132-
const result = await execute({
133-
schema: new GraphQLSchema({ query: DataType }),
134-
document,
135-
rootValue: data,
136-
});
137-
138-
const executable = document.definitions?.values().next().value as ExecutableDefinitionNode;
139-
const dSelectionSet = executable.selectionSet.selections.values().next().value as FieldNode;
140-
const fSelectionSet = dSelectionSet.selectionSet?.selections.values().next().value;
141-
142-
expect(result).to.deep.equal({
143-
data: {
144-
d: null
145-
},
146-
errors: [
147-
new GraphQLError(
148-
'Cannot return null for non-nullable field DeepDataType.f.',
149-
{
150-
nodes: fSelectionSet,
151-
path: ['d', 'f']
152-
}
153-
)
154-
]
155-
});
138+
139+
const result = await execute({
140+
schema: new GraphQLSchema({ query: DataType }),
141+
document,
142+
rootValue: data,
143+
});
144+
145+
const executable = document.definitions?.values().next()
146+
.value as ExecutableDefinitionNode;
147+
const dSelectionSet = executable.selectionSet.selections.values().next()
148+
.value as FieldNode;
149+
const fSelectionSet = dSelectionSet.selectionSet?.selections
150+
.values()
151+
.next().value;
152+
153+
expect(result).to.deep.equal({
154+
data: {
155+
d: null,
156+
},
157+
errors: [
158+
new GraphQLError(
159+
'Cannot return null for non-nullable field DeepDataType.f.',
160+
{
161+
nodes: fSelectionSet,
162+
path: ['d', 'f'],
163+
},
164+
),
165+
],
156166
});
157-
158-
it('SemanticNullable allows null values', async () => {
159-
const data = {
160-
a: () => null,
161-
b: () => null,
162-
c: () => 'Cookie'
163-
};
164-
165-
const document = parse(`
167+
});
168+
169+
it('SemanticNullable allows null values', async () => {
170+
const data = {
171+
a: () => null,
172+
b: () => null,
173+
c: () => 'Cookie',
174+
};
175+
176+
const document = parse(`
166177
query {
167178
a
168179
}
169180
`);
170-
171-
const result = await execute({
172-
schema: new GraphQLSchema({ query: DataType }),
173-
document,
174-
rootValue: data,
175-
});
176-
177-
expect(result).to.deep.equal({
178-
data: {
179-
a: null
180-
}
181-
});
181+
182+
const result = await execute({
183+
schema: new GraphQLSchema({ query: DataType }),
184+
document,
185+
rootValue: data,
182186
});
183-
184-
it('SemanticNullable allows non-null values', async () => {
185-
const data = {
186-
a: () => 'Apple',
187-
b: () => null,
188-
c: () => 'Cookie'
189-
};
190-
191-
const document = parse(`
187+
188+
expect(result).to.deep.equal({
189+
data: {
190+
a: null,
191+
},
192+
});
193+
});
194+
195+
it('SemanticNullable allows non-null values', async () => {
196+
const data = {
197+
a: () => 'Apple',
198+
b: () => null,
199+
c: () => 'Cookie',
200+
};
201+
202+
const document = parse(`
192203
query {
193204
a
194205
}
195206
`);
196-
197-
const result = await execute({
198-
schema: new GraphQLSchema({ query: DataType }),
199-
document,
200-
rootValue: data,
201-
});
202-
203-
expect(result).to.deep.equal({
204-
data: {
205-
a: 'Apple'
206-
}
207-
});
207+
208+
const result = await execute({
209+
schema: new GraphQLSchema({ query: DataType }),
210+
document,
211+
rootValue: data,
212+
});
213+
214+
expect(result).to.deep.equal({
215+
data: {
216+
a: 'Apple',
217+
},
208218
});
209219
});
210-
220+
});

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