Fix Tests

- Added npm package.json to the helper_files folder.
- Update Rakefile to install npm packages in the
  helper_files folder.
- Added a new test for passing components.

Author: aaronvb

Rakefile

@@ -1,5 +1,9 @@
 require 'rake/testtask'
 
+# make sure we load NPM dependencies in the helper_files directory
+config_path = File.expand_path('../test/helper_files', __FILE__)
+`cd #{config_path} && npm install`
+
 Rake::TestTask.new do |task|
   task.libs << %w(test lib)
   task.pattern = 'test/**/*_test.rb'

test/helper_files/package.json

@@ -0,0 +1,11 @@
+{
+  "repository": {},
+  "dependencies": {},
+  "devDependencies": {
+    "react": "^0.14.5",
+    "babel-core": "^6.3.26",
+    "babel-loader": "^6.2.0",
+    "babel-preset-es2015": "^6.3.13",
+    "babel-preset-react": "^6.3.13"
+  }
+}

test/react/render_test.rb

@@ -9,7 +9,7 @@ class ReactRenderTest < Minitest::Test
     end
   end
 
-  context ' a rails react studio render' do
+  context 'a rails react studio render' do
     setup do
       @path_to_component =
         File.expand_path('../../helper_files/Hello.jsx', __FILE__)
@@ -29,5 +29,13 @@ class ReactRenderTest < Minitest::Test
       result = RailsReactStdio::React.render('', {})
       assert_includes result, 'Cannot load component'
     end
+
+    should 'pass props to component' do
+      result =
+        RailsReactStdio::React.render(
+          @path_to_component, message: 'foobar_message'
+        )
+      assert_includes result, 'foobar_message'
+    end
   end
 end