main.com.netflix.graphql.mocking.DgsSchemaTransformer.kt Maven / Gradle / Ivy
/*
* Copyright 2021 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.
*/
package com.netflix.graphql.mocking
import graphql.schema.*
class DgsSchemaTransformer {
fun transformSchemaWithMockProviders(schema: GraphQLSchema, mockProviders: Set): GraphQLSchema {
val mockConfig = mutableMapOf()
mockProviders.forEach { p -> mockConfig.putAll(p.provide()) }
return transformSchema(schema, mockConfig)
}
fun transformSchema(schema: GraphQLSchema, mockConfig: Map): GraphQLSchema {
val mockFetchers = mutableMapOf>()
val graphQLTypeVisitorStub = MockGraphQLVisitor(mockConfig, mockFetchers)
SchemaTraverser().depthFirstFullSchema(graphQLTypeVisitorStub, schema)
return schema.transform { schemaBuilder ->
val newCodeRegistry = schema.codeRegistry.transform { codeRegistryBuilder ->
mockFetchers.forEach { (coordinates, dataFetcher) -> codeRegistryBuilder.dataFetcher(coordinates, dataFetcher) }
}
schemaBuilder.codeRegistry(newCodeRegistry)
}
}
}