add GraphQLLong type

andimarek · andimarek · commit 948231fb92ea · 2015-08-15T11:48:06.000+02:00
diff --git a/src/main/java/graphql/Scalars.java b/src/main/java/graphql/Scalars.java
@@ -30,6 +30,28 @@ public Object coerceLiteral(Object input) {
         }
     });
 
+
+    public static GraphQLScalarType GraphQLLong = new GraphQLScalarType("Long", "Long type", new Coercing() {
+        @Override
+        public Object coerce(Object input) {
+            if (input instanceof String) {
+                return Long.parseLong((String) input);
+            } else if (input instanceof Long) {
+                return input;
+            } else if (input instanceof Integer) {
+                return ((Integer) input).longValue();
+            } else {
+                throw new GraphQLException("");
+            }
+        }
+
+        @Override
+        public Object coerceLiteral(Object input) {
+            if (!(input instanceof StringValue)) return null;
+            return Long.parseLong(((StringValue) input).getValue());
+        }
+    });
+
     public static GraphQLScalarType GraphQLFloat = new GraphQLScalarType("Float", "Built-in Float", new Coercing() {
         @Override
         public Object coerce(Object input) {
diff --git a/src/test/groovy/graphql/ScalarsTest.groovy b/src/test/groovy/graphql/ScalarsTest.groovy
@@ -37,6 +37,26 @@ class ScalarsTest extends Specification {
         new IntValue(42) | 42
     }
 
+    def "Long coerce object"() {
+        expect:
+        Scalars.GraphQLLong.getCoercing().coerce(value) == result
+
+        where:
+        value                        | result
+        "42"                         | 42
+        new Long(42345784398534785l) | 42345784398534785l
+        new Integer(42)              | 42
+    }
+
+    def "Long coerce literal"() {
+        expect:
+        Scalars.GraphQLLong.getCoercing().coerceLiteral(literal) == result
+
+        where:
+        literal               | result
+        new StringValue("42") | 42
+    }
+
     def "Int coerce object"() {
         expect:
         Scalars.GraphQLInt.getCoercing().coerce(value) == result
@@ -90,5 +110,4 @@ class ScalarsTest extends Specification {
     }
 
 
-
 }
