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Merge pull request #426 from manymotes/multi_query_request
Multi query request
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80 changes: 80 additions & 0 deletions
80
...d-core/src/main/kotlin/com/netflix/graphql/dgs/client/codegen/GraphQLMultiQueryRequest.kt
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| @@ -0,0 +1,80 @@ | ||
| /* | ||
| * | ||
| * Copyright 2020 Netflix, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| * | ||
| */ | ||
|
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| package com.netflix.graphql.dgs.client.codegen | ||
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| import graphql.language.* | ||
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| class GraphQLMultiQueryRequest( | ||
| private val requests: List<GraphQLQueryRequest> | ||
| ) { | ||
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| fun serialize(): String { | ||
| if (requests.isEmpty()) throw AssertionError("Request must have at least one query") | ||
|
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| val operationDef = OperationDefinition.newOperationDefinition() | ||
| requests[0].query.name?.let { operationDef.name(it) } | ||
| requests[0].query.getOperationType()?.let { operationDef.operation(OperationDefinition.Operation.valueOf(it.uppercase())) } | ||
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| val queryType = requests[0].query.getOperationType().toString() | ||
| val variableDefinitions = mutableListOf<VariableDefinition>() | ||
| val selectionList: MutableList<Field.Builder> = mutableListOf() | ||
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| for (request in this.requests) { | ||
| val query = request.query | ||
| // Graphql only supports multiple mutations or multiple queries. Not a combination of the two. | ||
| // Graphql does not support multiple subscriptions in one request http://spec.graphql.org/June2018/#sec-Single-root-field | ||
| if (!query.getOperationType().equals(queryType) || queryType == OperationDefinition.Operation.SUBSCRIPTION.name) { | ||
| throw AssertionError("Request has to have exclusively queries or mutations in a multi operation request") | ||
| } | ||
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| if (request.query.variableDefinitions.isNotEmpty()) { | ||
| variableDefinitions.addAll(request.query.variableDefinitions) | ||
| } | ||
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| val selection = Field.newField(request.query.getOperationName()) | ||
| if (query.input.isNotEmpty()) { | ||
| selection.arguments( | ||
| query.input.map { (name, value) -> | ||
| Argument(name, request.inputValueSerializer.toValue(value)) | ||
| } | ||
| ) | ||
| } | ||
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| if (request.projection != null) { | ||
| val selectionSet = if (request.projection is BaseSubProjectionNode<*, *>) { | ||
| request.projectionSerializer.toSelectionSet(request.projection.root() as BaseProjectionNode) | ||
| } else { | ||
| request.projectionSerializer.toSelectionSet(request.projection) | ||
| } | ||
| if (selectionSet.selections.isNotEmpty()) { | ||
| selection.selectionSet(selectionSet) | ||
| } | ||
| } | ||
| if (query.queryAlias.isNotEmpty()) { | ||
| selection.alias(query.queryAlias) | ||
| } | ||
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| selectionList.add(selection) | ||
| } | ||
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| operationDef.selectionSet(SelectionSet.newSelectionSet(selectionList.map(Field.Builder::build).toList()).build()) | ||
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| return AstPrinter.printAst(operationDef.build()) | ||
| } | ||
| } |
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150 changes: 150 additions & 0 deletions
150
...re/src/test/kotlin/com/netflix/graphql/dgs/client/codegen/GraphQLMultiQueryRequestTest.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,150 @@ | ||
| /* | ||
| * | ||
| * Copyright 2022 Netflix, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| * | ||
| */ | ||
|
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| package com.netflix.graphql.dgs.client.codegen | ||
|
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| import org.assertj.core.api.Assertions | ||
| import org.junit.jupiter.api.Test | ||
| import org.junit.jupiter.api.assertThrows | ||
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| class GraphQLMultiQueryRequestTest { | ||
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| @Test | ||
| fun testSerializeInputClassWithProjectionAndMultipleQueries() { | ||
| val query = TestGraphQLQuery().apply { | ||
| input["movie"] = Movie(1234, "testMovie") | ||
| } | ||
| val query2 = TestGraphQLQuery().apply { | ||
| input["actors"] = "actorA" | ||
| input["movies"] = listOf("movie1", "movie2") | ||
| } | ||
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| query.queryAlias = "alias1" | ||
| query2.queryAlias = "alias2" | ||
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| val multiRequest = GraphQLMultiQueryRequest( | ||
| listOf( | ||
| GraphQLQueryRequest(query, MovieProjection().name().movieId()), | ||
| GraphQLQueryRequest(query2, MovieProjection().name()) | ||
| ) | ||
| ) | ||
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| val result = multiRequest.serialize() | ||
| GraphQLQueryRequestTest.assertValidQuery(result) | ||
| Assertions.assertThat(result).isEqualTo( | ||
| """query { | ||
| | alias1: test(movie: {movieId : 1234, name : "testMovie"}) { | ||
| | name | ||
| | movieId | ||
| | } | ||
| | alias2: test(actors: "actorA", movies: ["movie1", "movie2"]) { | ||
| | name | ||
| | } | ||
| |} | ||
| """.trimMargin() | ||
| ) | ||
| } | ||
|
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| @Test | ||
| fun testSerializeInputClassWithProjectionAndMultipleMutations() { | ||
| val query = TestGraphQLMutation().apply { | ||
| input["movie"] = Movie(1234, "testMovie") | ||
| } | ||
| val query2 = TestGraphQLMutation().apply { | ||
| input["actors"] = "actorA" | ||
| input["movies"] = listOf("movie1", "movie2") | ||
| } | ||
| val query3 = TestGraphQLMutation().apply { | ||
| input["actors"] = "actorA" | ||
| input["movies"] = listOf("movie1", "movie2") | ||
| } | ||
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| query.queryAlias = "alias1" | ||
| query2.queryAlias = "alias2" | ||
| query3.queryAlias = "alias3" | ||
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| val multiRequest = GraphQLMultiQueryRequest( | ||
| listOf( | ||
| GraphQLQueryRequest(query), | ||
| GraphQLQueryRequest(query2), | ||
| GraphQLQueryRequest(query3) | ||
| ) | ||
| ) | ||
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| val result = multiRequest.serialize() | ||
| GraphQLQueryRequestTest.assertValidQuery(result) | ||
| Assertions.assertThat(result).isEqualTo( | ||
| """mutation { | ||
| | alias1: testMutation(movie: {movieId : 1234, name : "testMovie"}) | ||
| | alias2: testMutation(actors: "actorA", movies: ["movie1", "movie2"]) | ||
| | alias3: testMutation(actors: "actorA", movies: ["movie1", "movie2"]) | ||
| |} | ||
| """.trimMargin() | ||
| ) | ||
| } | ||
|
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| @Test | ||
| fun testSerializeInputClassWithProjectionAndMultipleMutations_MismatchOperationType() { | ||
| val query = TestGraphQLMutation().apply { | ||
| input["movie"] = Movie(1234, "testMovie") | ||
| } | ||
|
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| val query2 = TestGraphQLQuery().apply { | ||
| input["actors"] = "actorA" | ||
| input["movies"] = listOf("movie1", "movie2") | ||
| } | ||
|
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| val multiRequest = GraphQLMultiQueryRequest( | ||
| listOf( | ||
| GraphQLQueryRequest(query), | ||
| GraphQLQueryRequest(query2) | ||
| ) | ||
| ) | ||
|
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| assertThrows<AssertionError> { | ||
| multiRequest.serialize() | ||
| } | ||
| } | ||
|
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| @Test | ||
| fun testSerializeInputClassWithProjectionAndSingleQueriesAndAlias() { | ||
| val query = TestGraphQLQuery().apply { | ||
| input["movie"] = Movie(1234, "testMovie") | ||
| } | ||
|
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| query.queryAlias = "alias1" | ||
|
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| val multiRequest = GraphQLMultiQueryRequest( | ||
| listOf( | ||
| GraphQLQueryRequest(query, MovieProjection().name().movieId()) | ||
| ) | ||
| ) | ||
|
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| val result = multiRequest.serialize() | ||
| GraphQLQueryRequestTest.assertValidQuery(result) | ||
| Assertions.assertThat(result).isEqualTo( | ||
| """query { | ||
| | alias1: test(movie: {movieId : 1234, name : "testMovie"}) { | ||
| | name | ||
| | movieId | ||
| | } | ||
| |} | ||
| """.trimMargin() | ||
| ) | ||
| } | ||
| } |
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