diff --git a/spec/lib/code_candy/judgement_spec.rb b/spec/lib/code_candy/judgement_spec.rb
new file mode 100644
index 0000000..3caaa33
--- /dev/null
+++ b/spec/lib/code_candy/judgement_spec.rb
@@ -0,0 +1,22 @@
+require 'spec_helper'
+require './lib/code_candy/judgement'
+
+describe "judgement" do
+  before do
+    @uesr = create(:user, id: 1)
+    @question = create(:question, id: 1)
+    @question.answers.create(
+      input: 'hello',
+      output: 'hello'
+    )
+  end
+
+  context "実行したプログラムが正解になること" do
+    it "Ruby", code_runner: true do
+      @source_code = "a = gets \n print a"
+      judgement = CodeCandy::Judgement.new("ruby", @source_code, 1, 1)
+      result = judgement.exec
+      expect(result[:answer]).to eq "正解"
+    end
+  end
+end