Remove unused :include IncludeDirectives key

Closes gh-1226

Author: lgebhardt

lib/jsonapi/include_directives.rb

@@ -4,14 +4,12 @@ class IncludeDirectives
     # For example ['posts.comments.tags']
     # will transform into =>
     # {
-    #   posts:{
-    #     include:true,
-    #     include_related:{
+    #   posts: {
+    #     include_related: {
     #       comments:{
-    #         include:true,
-    #         include_related:{
-    #           tags:{
-    #             include:true
+    #         include_related: {
+    #           tags: {
+    #             include_related: {}
     #           }
     #         }
     #       }
@@ -44,7 +42,7 @@ def parse_include(include)
       path.segments.each do |segment|
         relationship_name = segment.relationship.name.to_sym
 
-        current[:include_related][relationship_name] ||= { include: true, include_related: {} }
+        current[:include_related][relationship_name] ||= { include_related: {} }
         current = current[:include_related][relationship_name]
       end
 

lib/jsonapi/processor.rb

@@ -429,8 +429,7 @@ def find_resource_id_tree_from_resource_relationship(resource, relationship_name
     def load_included(resource_klass, source_resource_id_tree, include_related, options)
       source_rids = source_resource_id_tree.fragments.keys
 
-      include_related.try(:each_pair) do |key, value|
-        next unless value[:include]
+      include_related.try(:each_key) do |key|
         relationship = resource_klass._relationship(key)
         relationship_name = relationship.name.to_sym
 

test/unit/serializer/include_directives_test.rb

@@ -10,8 +10,7 @@ def test_one_level_one_include
       {
         include_related: {
           posts: {
-            include: true,
-            include_related:{}
+            include_related: {}
           }
         }
       },
@@ -25,34 +24,54 @@ def test_one_level_multiple_includes
       {
         include_related: {
           posts: {
-            include: true,
-            include_related:{}
+            include_related: {}
           },
           comments: {
-            include: true,
-            include_related:{}
+            include_related: {}
           },
           expense_entries: {
-            include: true,
-            include_related:{}
+            include_related: {}
           }
         }
       },
       directives)
   end
 
+  def test_multiple_level_multiple_includes
+    directives = JSONAPI::IncludeDirectives.new(PersonResource, ['posts', 'posts.comments', 'comments', 'expense_entries']).include_directives
+
+    assert_hash_equals(
+      {
+        include_related: {
+          posts: {
+            include_related: {
+              comments: {
+                include_related: {}
+              }
+            }
+          },
+          comments: {
+            include_related: {}
+          },
+          expense_entries: {
+            include_related: {}
+          }
+        }
+      },
+      directives)
+  end
+
+
   def test_two_levels_include_full_path
     directives = JSONAPI::IncludeDirectives.new(PersonResource, ['posts.comments']).include_directives
 
     assert_hash_equals(
       {
         include_related: {
           posts: {
-            include: true,
-            include_related:{
+            include_related: {
               comments: {
-                include: true,
-                include_related:{}
+                include_related: {}
               }
             }
           }
@@ -62,17 +81,15 @@ def test_two_levels_include_full_path
   end
 
   def test_two_levels_include_full_path_redundant
-    directives = JSONAPI::IncludeDirectives.new(PersonResource, ['posts','posts.comments']).include_directives
+    directives = JSONAPI::IncludeDirectives.new(PersonResource, ['posts', 'posts.comments']).include_directives
 
     assert_hash_equals(
       {
         include_related: {
           posts: {
-            include: true,
-            include_related:{
+            include_related: {
               comments: {
-                include: true,
-                include_related:{}
+                include_related: {}
               }
             }
           }
@@ -88,14 +105,11 @@ def test_three_levels_include_full
       {
         include_related: {
           posts: {
-            include: true,
-            include_related:{
+            include_related: {
               comments: {
-                include: true,
-                include_related:{
+                include_related: {
                   tags: {
-                    include: true,
-                    include_related:{}
+                    include_related: {}
                   }
                 }
               }