Merge pull request #66 from aPureBase/65-top-field-directives

Fixed issue top level fields with directives are being ignored

Author: jeggy

kgraphql/src/main/kotlin/com/apurebase/kgraphql/schema/execution/ParallelRequestExecutor.kt

@@ -52,16 +52,19 @@ class ParallelRequestExecutor(val schema: DefaultSchema) : RequestExecutor, Coro
         val data = root.putObject("data")
 
         val resultMap = plan.toMapAsync {
-            writeOperation(
+            val ctx = ExecutionContext(Variables(schema, variables, it.variables), context)
+            if (determineInclude(ctx, it)) writeOperation(
                 isSubscription = plan.isSubscription,
-                ctx = ExecutionContext(Variables(schema, variables, it.variables), context),
+                ctx = ctx,
                 node = it,
                 operation = it.field as Field.Function<*, *>
-            )
+            ) else null
         }
 
         for (operation in plan) {
-            data.set(operation.aliasOrKey, resultMap[operation])
+            if (resultMap[operation] != null) { // Remove all by skip/include directives
+                data.set(operation.aliasOrKey, resultMap[operation])
+            }
         }
 
         return objectWriter.writeValueAsString(root)

kgraphql/src/test/kotlin/com/apurebase/kgraphql/specification/typesystem/DirectivesSpecificationTest.kt

@@ -1,8 +1,8 @@
 package com.apurebase.kgraphql.specification.typesystem
 
-import com.apurebase.kgraphql.Specification
-import com.apurebase.kgraphql.extractOrNull
+import com.apurebase.kgraphql.*
 import com.apurebase.kgraphql.integration.BaseSchemaTest
+import org.amshove.kluent.shouldEqual
 import org.hamcrest.CoreMatchers.notNullValue
 import org.hamcrest.CoreMatchers.nullValue
 import org.hamcrest.MatcherAssert.assertThat
@@ -38,6 +38,21 @@ class DirectivesSpecificationTest : BaseSchemaTest() {
         assertThat(extractOrNull(mapNeither, "data/film/year"), notNullValue())
     }
 
+    @Test
+    fun `query with @include and @skip directive on field object`() {
+        val mapWithSkip = execute("{ number(big: true), film @skip(if: true) { title } }")
+        mapWithSkip.extract<String?>("data/film") shouldEqual null
+
+        val mapWithoutSkip = execute("{ number(big: true), film @skip(if: false) { title } }")
+        mapWithoutSkip.extract<String>("data/film/title") shouldEqual "Prestige"
+
+        val mapWithInclude = execute("{ number(big: true), film @include(if: true) { title } }")
+        mapWithInclude.extract<String?>("data/film/title") shouldEqual "Prestige"
+
+        val mapWithoutInclude = execute("{ number(big: true), film @include(if: false) { title } }")
+        mapWithoutInclude.extract<String>("data/film") shouldEqual null
+    }
+
     @Test
     fun `query with @include directive on field with variable`(){
         val map = execute(