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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"How to validate graphql query against the schema without execution?","articleBody":"How to validate graphql query against the schema without execution?\r\n\r\nI tried below methods and all failed.\r\n\r\n@bbakerman  @andimarek  Any pointers?\r\n\r\n**Schema:** No mutations defined\r\n**Request:** mutation\r\n**Method:** ParseAndValidate.validate\r\nReturns it as `valid`. If I add mutation with dummy `FieldDefinition` it works. \r\n\r\n```\r\n\t@Test\r\n\tpublic void testValidateWithInvalidRequestUsingSchemaWithOnlyQueryAndInputWithMutation()\r\n\t\t\tthrows SchemaProblem, FileNotFoundException {\r\n\r\n\t\tInputStream in = this.getClass().getResourceAsStream(\"/only-query.graphql\");\r\n\r\n\t\tTypeDefinitionRegistry typeDefinitionRegistry = new SchemaParser().parse(in);\r\n\r\n\t\tGraphQLSchema schema = UnExecutableSchemaGenerator.makeUnExecutableSchema(typeDefinitionRegistry);\r\n\r\n\t\tString request = \"mutation MyMutation { mymutation }\";\r\n\r\n\t\tDocument inputDocument = new Parser().parseDocument(request);\r\n\r\n\t\tList\u003cValidationError\u003e errors = ParseAndValidate.validate(schema, inputDocument);\r\n\r\n\t\tassertEquals(1, errors.size());\r\n\t}\r\n\r\n```\r\n**Schema:** No mutations defined\r\n**Request:** mutation\r\n**Method:** ParseAndValidate.parseAndValidate\r\nReturns it as `valid`. If I add mutation with dummy `FieldDefinition` it works. \r\n```\r\n\t@Test\r\n\tpublic void testParseAndValidateWithInvalidRequestUsingSchemaWithOnlyQueryAndInputWithMutation()\r\n\t\t\tthrows SchemaProblem, FileNotFoundException {\r\n\t\tInputStream in = this.getClass().getResourceAsStream(\"/only-query.graphql\");\r\n\r\n\t\tTypeDefinitionRegistry typeDefinitionRegistry = new SchemaParser().parse(in);\r\n\r\n\t\tGraphQLSchema schema = UnExecutableSchemaGenerator.makeUnExecutableSchema(typeDefinitionRegistry);\r\n\r\n\t\tString request = \"mutation MyMutation { mymutation }\";\r\n\r\n\t\tExecutionInput input = ExecutionInput.newExecutionInput(request).build();\r\n\r\n\t\tParseAndValidateResult result = ParseAndValidate.parseAndValidate(schema, input);\r\n\r\n\t\tassertEquals(1, result.getErrors().size());\r\n\t}\r\n```\r\n**Schema:** Has mutation with not null return type\r\n**Request:** mutation\r\n**Method:** ParseAndValidate.parseAndValidate\r\nMockedWiringFactory is expecting the actual return.\r\n**Error:** \r\n```\r\njava.lang.AssertionError: expected same:\u003c\u003e was not:\u003c[graphql.execution.MissingRootTypeException: \r\nSchema is not configured for mutations.]\u003e\r\n```\r\n\r\n```\r\n\t@Test\r\n\tpublic void testMockedWiringFactoryWithValidRequest() throws SchemaProblem, FileNotFoundException {\r\n\t\tInputStream in = this.getClass().getResourceAsStream(\"/mutation-query.graphql\");\r\n\r\n\t\tTypeDefinitionRegistry typeDefinitionRegistry = new SchemaParser().parse(in);\r\n\r\n\t\tRuntimeWiring runtimeWiring = RuntimeWiring.newRuntimeWiring().wiringFactory(new MockedWiringFactory()).build();\r\n\r\n\t\tSchemaGenerator schemaGenerator = new SchemaGenerator();\r\n\r\n\t\tGraphQLSchema graphQLSchema = schemaGenerator.makeExecutableSchema(typeDefinitionRegistry, runtimeWiring);\r\n\r\n\t\tGraphQL graphQL = GraphQL.newGraphQL(graphQLSchema).build();\r\n\r\n\t\tString request = \"mutation MyMutation { mymutation }\";\r\n\r\n\t\tExecutionInput input = ExecutionInput.newExecutionInput(request).build();\r\n\r\n\t\tExecutionResult executionResult = graphQL.execute(input);\r\n\r\n\t\tassertSame(\"\", executionResult.getErrors().toString());\r\n\r\n\t\tassertEquals(0, executionResult.getErrors().size());\r\n\t}\r\n```\r\n\r\n\r\n\r\n","author":{"url":"https://github.com/arjunballa","@type":"Person","name":"arjunballa"},"datePublished":"2022-02-25T05:49:45.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/2737/graphql-java/issues/2737"}