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JoviDeCroockmjmahone
JoviDeCroock
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mjmahone
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implement execution for fragment arguments syntax
Co-authored-by: mjmahone <[email protected]>
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-36
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4 files changed

+467
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‎src/execution/__tests__/variables-test.ts‎

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@@ -59,6 +59,13 @@ const TestComplexScalar = new GraphQLScalarType({
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},
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});
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const NestedType: GraphQLObjectType = new GraphQLObjectType({
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name: 'NestedType',
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fields: {
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echo: fieldWithInputArg({ type: GraphQLString }),
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},
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});
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const TestInputObject = new GraphQLInputObjectType({
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name: 'TestInputObject',
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fields: {
@@ -129,6 +136,10 @@ const TestType = new GraphQLObjectType({
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defaultValue: 'Hello World',
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}),
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list: fieldWithInputArg({ type: new GraphQLList(GraphQLString) }),
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nested: {
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type: NestedType,
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resolve: () => ({}),
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},
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nnList: fieldWithInputArg({
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type: new GraphQLNonNull(new GraphQLList(GraphQLString)),
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}),
@@ -153,6 +164,14 @@ function executeQuery(
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return executeSync({ schema, document, variableValues });
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}
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function executeQueryWithFragmentArguments(
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query: string,
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variableValues?: { [variable: string]: unknown },
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) {
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const document = parse(query, { experimentalFragmentArguments: true });
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return executeSync({ schema, document, variableValues });
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}
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describe('Execute: Handles inputs', () => {
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describe('Handles objects and nullability', () => {
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describe('using inline structs', () => {
@@ -1136,4 +1155,284 @@ describe('Execute: Handles inputs', () => {
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});
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});
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});
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describe('using fragment arguments', () => {
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it('when there are no fragment arguments', () => {
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const result = executeQueryWithFragmentArguments(`
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query {
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...a
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}
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fragment a on TestType {
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fieldWithNonNullableStringInput(input: "A")
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}
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`);
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expect(result).to.deep.equal({
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data: {
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fieldWithNonNullableStringInput: '"A"',
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},
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});
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});
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it('when a value is required and provided', () => {
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const result = executeQueryWithFragmentArguments(`
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query {
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...a(value: "A")
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}
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fragment a($value: String!) on TestType {
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fieldWithNonNullableStringInput(input: $value)
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}
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`);
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expect(result).to.deep.equal({
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data: {
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fieldWithNonNullableStringInput: '"A"',
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},
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});
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});
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it('when a value is required and not provided', () => {
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const result = executeQueryWithFragmentArguments(`
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query {
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...a
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}
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fragment a($value: String!) on TestType {
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fieldWithNullableStringInput(input: $value)
1199+
}
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`);
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expect(result).to.have.property('errors');
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expect(result.errors).to.have.length(1);
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expect(result.errors?.at(0)?.message).to.match(
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/Argument "value" of required type "String!"/,
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);
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});
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it('when the definition has a default and is provided', () => {
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const result = executeQueryWithFragmentArguments(`
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query {
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...a(value: "A")
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}
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fragment a($value: String! = "B") on TestType {
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fieldWithNonNullableStringInput(input: $value)
1216+
}
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`);
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expect(result).to.deep.equal({
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data: {
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fieldWithNonNullableStringInput: '"A"',
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},
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});
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});
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it('when the definition has a default and is not provided', () => {
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const result = executeQueryWithFragmentArguments(`
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query {
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...a
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}
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fragment a($value: String! = "B") on TestType {
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fieldWithNonNullableStringInput(input: $value)
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}
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`);
1234+
expect(result).to.deep.equal({
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data: {
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fieldWithNonNullableStringInput: '"B"',
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},
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});
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});
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it('when a definition has a default, is not provided, and spreads another fragment', () => {
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const result = executeQueryWithFragmentArguments(`
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query {
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...a
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}
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fragment a($a: String! = "B") on TestType {
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...b(b: $a)
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}
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fragment b($b: String!) on TestType {
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fieldWithNonNullableStringInput(input: $b)
1251+
}
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`);
1253+
expect(result).to.deep.equal({
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data: {
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fieldWithNonNullableStringInput: '"B"',
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},
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});
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});
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1260+
it('when the definition has a non-nullable default and is provided null', () => {
1261+
const result = executeQueryWithFragmentArguments(`
1262+
query {
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...a(value: null)
1264+
}
1265+
fragment a($value: String! = "B") on TestType {
1266+
fieldWithNullableStringInput(input: $value)
1267+
}
1268+
`);
1269+
1270+
expect(result).to.have.property('errors');
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expect(result.errors).to.have.length(1);
1272+
expect(result.errors?.at(0)?.message).to.match(
1273+
/Argument "value" of non-null type "String!"/,
1274+
);
1275+
});
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1277+
it('when the definition has no default and is not provided', () => {
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const result = executeQueryWithFragmentArguments(`
1279+
query {
1280+
...a
1281+
}
1282+
fragment a($value: String) on TestType {
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fieldWithNonNullableStringInputAndDefaultArgumentValue(input: $value)
1284+
}
1285+
`);
1286+
expect(result).to.deep.equal({
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data: {
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fieldWithNonNullableStringInputAndDefaultArgumentValue:
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'"Hello World"',
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},
1291+
});
1292+
});
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1294+
it('when an argument is shadowed by an operation variable', () => {
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const result = executeQueryWithFragmentArguments(`
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query($x: String! = "A") {
1297+
...a(x: "B")
1298+
}
1299+
fragment a($x: String) on TestType {
1300+
fieldWithNullableStringInput(input: $x)
1301+
}
1302+
`);
1303+
expect(result).to.deep.equal({
1304+
data: {
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fieldWithNullableStringInput: '"B"',
1306+
},
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});
1308+
});
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1310+
it('when a nullable argument with a field default is not provided and shadowed by an operation variable', () => {
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const result = executeQueryWithFragmentArguments(`
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query($x: String = "A") {
1313+
...a
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}
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fragment a($x: String) on TestType {
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fieldWithNonNullableStringInputAndDefaultArgumentValue(input: $x)
1317+
}
1318+
`);
1319+
expect(result).to.deep.equal({
1320+
data: {
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fieldWithNonNullableStringInputAndDefaultArgumentValue:
1322+
'"Hello World"',
1323+
},
1324+
});
1325+
});
1326+
1327+
it('when a fragment-variable is shadowed by an intermediate fragment-spread but defined in the operation-variables', () => {
1328+
const result = executeQueryWithFragmentArguments(`
1329+
query($x: String = "A") {
1330+
...a
1331+
}
1332+
fragment a($x: String) on TestType {
1333+
...b
1334+
}
1335+
1336+
fragment b on TestType {
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fieldWithNullableStringInput(input: $x)
1338+
}
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`);
1340+
expect(result).to.deep.equal({
1341+
data: {
1342+
fieldWithNullableStringInput: '"A"',
1343+
},
1344+
});
1345+
});
1346+
1347+
it('when a fragment is used with different args', () => {
1348+
const result = executeQueryWithFragmentArguments(`
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query($x: String = "Hello") {
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a: nested {
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...a(x: "a")
1352+
}
1353+
b: nested {
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...a(x: "b", b: true)
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}
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hello: nested {
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...a(x: $x)
1358+
}
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}
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fragment a($x: String, $b: Boolean = false) on NestedType {
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a: echo(input: $x) @skip(if: $b)
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b: echo(input: $x) @include(if: $b)
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}
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`);
1365+
expect(result).to.deep.equal({
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data: {
1367+
a: {
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a: '"a"',
1369+
},
1370+
b: {
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b: '"b"',
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},
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hello: {
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a: '"Hello"',
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},
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},
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});
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});
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1380+
it('when the argument variable is nested in a complex type', () => {
1381+
const result = executeQueryWithFragmentArguments(`
1382+
query {
1383+
...a(value: "C")
1384+
}
1385+
fragment a($value: String) on TestType {
1386+
list(input: ["A", "B", $value, "D"])
1387+
}
1388+
`);
1389+
expect(result).to.deep.equal({
1390+
data: {
1391+
list: '["A", "B", "C", "D"]',
1392+
},
1393+
});
1394+
});
1395+
1396+
it('when argument variables are used recursively', () => {
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const result = executeQueryWithFragmentArguments(`
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query {
1399+
...a(aValue: "C")
1400+
}
1401+
fragment a($aValue: String) on TestType {
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...b(bValue: $aValue)
1403+
}
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fragment b($bValue: String) on TestType {
1405+
list(input: ["A", "B", $bValue, "D"])
1406+
}
1407+
`);
1408+
expect(result).to.deep.equal({
1409+
data: {
1410+
list: '["A", "B", "C", "D"]',
1411+
},
1412+
});
1413+
});
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1415+
it('when argument passed in as list', () => {
1416+
const result = executeQueryWithFragmentArguments(`
1417+
query Q($opValue: String = "op") {
1418+
...a(aValue: "A")
1419+
}
1420+
fragment a($aValue: String, $bValue: String) on TestType {
1421+
...b(aValue: [$aValue, "B"], bValue: [$bValue, $opValue])
1422+
}
1423+
fragment b($aValue: [String], $bValue: [String], $cValue: String) on TestType {
1424+
aList: list(input: $aValue)
1425+
bList: list(input: $bValue)
1426+
cList: list(input: [$cValue])
1427+
}
1428+
`);
1429+
expect(result).to.deep.equal({
1430+
data: {
1431+
aList: '["A", "B"]',
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bList: '[null, "op"]',
1433+
cList: '[null]',
1434+
},
1435+
});
1436+
});
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});
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});

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