literal_input_spec.rb in graphql-1.6.4

- old
+ new

@@ -18,10 +18,23 @@
                 arg + ctx[:val]
               end
             end
             resolve ->(t, a, c) { a[:value] }
           end
+
+          field :fieldWithArgumentThatIsBadByDefault do
+            type types.Int
+            argument :value do
+              type types.Int
+              default_value 7
+              prepare ->(arg, ctx) do
+                GraphQL::ExecutionError.new("Always bad")
+              end
+            end
+
+            resolve ->(*args) { 42 }
+          end
         end
 
         GraphQL::Schema.define(query: query)
       }
 
@@ -31,9 +44,14 @@
       end
 
       it "prepares default values" do
         result = schema.execute("{ addToArgumentValue }", context: { val: 4 })
         assert_equal(7, result["data"]["addToArgumentValue"])
+      end
+
+      it "raises an execution error if the default value is bad" do
+        result = schema.execute("{ fieldWithArgumentThatIsBadByDefault }", context: { })
+        assert_equal(result["errors"], [{"message" => "Always bad"}])
       end
 
       it "prepares values from variables" do
         result = schema.execute("query ($value: Int!) { addToArgumentValue(value: $value) }", variables: { "value" => 1}, context: { val: 2 } )
         assert_equal(result["data"]["addToArgumentValue"], 3)