1 files changed, 77 insertions, 0 deletions
diff --git a/activemodel/test/cases/serializeration/json_serialization_test.rb b/activemodel/test/cases/serializeration/json_serialization_test.rb
new file mode 100644
index 0000000000..3e69db110e
--- /dev/null
+++ b/activemodel/test/cases/serializeration/json_serialization_test.rb
@@ -0,0 +1,77 @@
+require 'cases/helper'
+require 'models/contact'
+
+class Contact
+  include ActiveModel::Serializers::JSON
+end
+
+class JsonSerializationTest < ActiveModel::TestCase
+  def setup
+    @contact = Contact.new
+    @contact.name = 'Konata Izumi'
+    @contact.age = 16
+    @contact.created_at = Time.utc(2006, 8, 1)
+    @contact.awesome = true
+    @contact.preferences = { 'shows' => 'anime' }
+  end
+
+  test "should include root in json" do
+    begin
+      Contact.include_root_in_json = true
+      json = @contact.to_json
+
+      assert_match %r{^\{"contact":\{}, json
+      assert_match %r{"name":"Konata Izumi"}, json
+      assert_match %r{"age":16}, json
+      assert json.include?(%("created_at":#{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))}))
+      assert_match %r{"awesome":true}, json
+      assert_match %r{"preferences":\{"shows":"anime"\}}, json
+    ensure
+      Contact.include_root_in_json = false
+    end
+  end
+
+  test "should encode all encodable attributes" do
+    json = @contact.to_json
+
+    assert_match %r{"name":"Konata Izumi"}, json
+    assert_match %r{"age":16}, json
+    assert json.include?(%("created_at":#{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))}))
+    assert_match %r{"awesome":true}, json
+    assert_match %r{"preferences":\{"shows":"anime"\}}, json
+  end
+
+  test "should allow attribute filtering with only" do
+    json = @contact.to_json(:only => [:name, :age])
+
+    assert_match %r{"name":"Konata Izumi"}, json
+    assert_match %r{"age":16}, json
+    assert_no_match %r{"awesome":true}, json
+    assert !json.include?(%("created_at":#{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))}))
+    assert_no_match %r{"preferences":\{"shows":"anime"\}}, json
+  end
+
+  test "should allow attribute filtering with except" do
+    json = @contact.to_json(:except => [:name, :age])
+
+    assert_no_match %r{"name":"Konata Izumi"}, json
+    assert_no_match %r{"age":16}, json
+    assert_match %r{"awesome":true}, json
+    assert json.include?(%("created_at":#{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))}))
+    assert_match %r{"preferences":\{"shows":"anime"\}}, json
+  end
+
+  test "methds are called on object" do
+    # Define methods on fixture.
+    def @contact.label; "Has cheezburger"; end
+    def @contact.favorite_quote; "Constraints are liberating"; end
+
+    # Single method.
+    assert_match %r{"label":"Has cheezburger"}, @contact.to_json(:only => :name, :methods => :label)
+
+    # Both methods.
+    methods_json = @contact.to_json(:only => :name, :methods => [:label, :favorite_quote])
+    assert_match %r{"label":"Has cheezburger"}, methods_json
+    assert_match %r{"favorite_quote":"Constraints are liberating"}, methods_json
+  end
+end