Add React::Test::Utils

Author: zetachang

lib/react/test/utils.rb

@@ -0,0 +1,33 @@
+module React
+  module Test
+    class Utils
+      `var ReactTestUtils = React.addons.TestUtils`
+
+      def self.render_into_document(element, options = {})
+        raise "You should pass a valid React::Element" unless React.is_valid_element(element)
+        native_instance = `ReactTestUtils.renderIntoDocument(#{element.to_n})`
+
+        if `#{native_instance}._getOpalInstance !== undefined`
+          `#{native_instance}._getOpalInstance()`
+        else
+          native_instance
+        end
+      end
+
+      def self.simulate(event, element)
+        Simulate.new.click(element)
+      end
+
+      class Simulate
+        include Native
+        def initialize
+          super(`ReactTestUtils.Simulate`)
+        end
+
+        def click(component_instance)
+          `#{@native}['click']`.call(component_instance.dom_node, {})
+        end
+      end
+    end
+  end
+end

spec/react/test/utils_spec.rb

@@ -1,26 +1,6 @@
 require 'spec_helper'
 
 if opal?
-  module React
-    module Test
-      class Utils
-        def self.simulate(event, element)
-          Simulate.new.click(element)
-        end
-
-        class Simulate
-          include Native
-          def initialize
-            super(`React.addons.TestUtils.Simulate`)
-          end
-
-          def click(component_instance)
-            `#{@native}['click']`.call(component_instance.dom_node, {})
-          end
-        end
-      end
-    end
-  end
   RSpec.describe React::Test::Utils do
     it 'simulates' do
       stub_const 'Foo', Class.new
@@ -41,5 +21,13 @@ def render
       expect_any_instance_of(Foo).to receive(:click)
       described_class.simulate(:click, instance)
     end
+
+    describe "render_into_document" do
+      it "works with native element" do
+        expect {
+          described_class.render_into_document(React.create_element('div'))
+        }.to_not raise_error
+      end
+    end
   end
 end

spec/spec_helper.rb

@@ -18,6 +18,7 @@ def ruby?
   require 'react/react-source'
   require 'hyper-react'
   require 'react/test/rspec'
+  require 'react/test/utils'
 
   require File.expand_path('../support/react/spec_helpers', __FILE__)