More example code

Author: bbakerman

src/test/java/examples/SchemaWiringExample.java

@@ -3,6 +3,7 @@
 import graphql.ExecutionInput;
 import graphql.ExecutionResult;
 import graphql.GraphQL;
+import graphql.GraphQLError;
 import graphql.schema.GraphQLSchema;
 import graphql.schema.idl.RuntimeWiring;
 import graphql.schema.idl.SchemaGenerator;
@@ -15,9 +16,12 @@
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.Reader;
-import java.util.HashMap;
+import java.util.Arrays;
+import java.util.Collections;
 import java.util.Map;
 
+import static graphql.validation.util.Util.mkMap;
+
 @SuppressWarnings("UnnecessaryLocalVariable")
 public class SchemaWiringExample {
 
@@ -27,17 +31,26 @@ public static void main(String[] args) {
             GraphQLSchema graphQLSchema = buildSchemaAndWiring();
             GraphQL graphQL = GraphQL.newGraphQL(graphQLSchema).build();
 
-            Map<String, Object> variables = new HashMap<>();
-            variables.put("x", "y");
+            Object applications = Arrays.asList(
+                    mkMap("name", "Brad"),
+                    mkMap("name", "Andi"),
+                    mkMap("name", "Bill"),
+                    mkMap("name", repeatString("x", 200)) // too long
+            );
+            Map<String, Object> variables = mkMap("applications", applications);
 
             ExecutionInput ei = ExecutionInput.newExecutionInput()
-                    .query("{field}")
+                    .query("query X($applications : [Application!]) {" +
+                            "   hired(applications : $applications)" +
+                            "}")
                     .variables(variables)
                     .build();
 
             ExecutionResult result = graphQL.execute(ei);
 
-            System.out.println(result);
+            for (GraphQLError error : result.getErrors()) {
+                System.out.println(error.getMessage());
+            }
         } catch (RuntimeException rte) {
             rte.printStackTrace(System.out);
         }
@@ -62,10 +75,14 @@ private static GraphQLSchema buildSchemaAndWiring() {
         Reader sdl = buildSDL();
         TypeDefinitionRegistry typeDefinitionRegistry = new SchemaParser().parse(sdl);
         GraphQLSchema graphQLSchema = new SchemaGenerator().makeExecutableSchema(typeDefinitionRegistry, runtimeWiring);
-        
+
         return graphQLSchema;
     }
 
+    private static String repeatString(String s, int n) {
+        return String.join("", Collections.nCopies(n, s));
+    }
+
     private static Reader buildSDL() {
         InputStream is = SchemaWiringExample.class.getResourceAsStream("/examples/example.graphqls");
         return new InputStreamReader(is);

src/test/resources/examples/example.graphqls

@@ -1,6 +1,11 @@
 
+directive @Size(min : Int = 0, max : Int = 2147483647, message : String = "graphql.validation.Size.message")
+   on ARGUMENT_DEFINITION | INPUT_FIELD_DEFINITION
 
+input Application {
+    name : String @Size(min : 3, max : 100)
+}
 
 type Query {
-    field : String
-}
+    hired (applications : [Application!] @Size(max : 3 )) : [Boolean]
+}