test added: response

app/models/response.rb

@@ -4,14 +4,22 @@ class Response < ActiveRecord::Base
   belongs_to :notice
   belongs_to :user
 
-  scope :time, -> (notice) { find_by_notice_id(notice.id).created_at.localtime.strftime("%Y-%m-%d %T") }
+  validates :status, presence: { message: "회답을 선택해주십시오." },
+   inclusion: { in: STATUSES, message: "올바르지 않은 회답입니다." }
 
   scope :responsed_to_go, -> (notice) { notice.responses.where(status: "go") }
 
+  def self.time (notice)
+    response = find_by_notice_id(notice.id)
+
+    if response
+      return response.created_at.localtime.strftime("%Y-%m-%d %T")
+    else
+      return ""
+    end
+  end
+
   def responsed_at
     created_at.localtime.strftime("%Y-%m-%d %T")
   end
-  validates :status, presence: { message: "회답을 선택해주십시오." },
-   inclusion: { in: STATUSES, message: "올바르지 않은 회답입니다." }
-
 end

spec/unit/models/response_spec.rb

@@ -4,11 +4,47 @@
   it "should check validation" do
     expect(Response.new.save).to eq(false)
     expect(Response.new(status: "false", notice: FactoryGirl.create(:notice)).save).to eq(false)
-    
+
     expect(Response.new(status: "yes", notice: FactoryGirl.create(:notice)).save).to eq(true)
     expect(Response.new(status: "maybe", notice: FactoryGirl.create(:notice)).save).to eq(true)
     expect(Response.new(status: "no", notice: FactoryGirl.create(:notice)).save).to eq(true)
     expect(Response.new(status: "go", notice: FactoryGirl.create(:notice)).save).to eq(true)
     expect(Response.new(status: "wait", notice: FactoryGirl.create(:notice)).save).to eq(true)
   end
+
+  describe "#responsed_to_go" do
+    it "should return responsed to go" do
+      user1 = FactoryGirl.create(:user)
+      user2 = FactoryGirl.create(:user)
+      notice = FactoryGirl.create(:notice)
+
+      response1 = Response.create!(user: user1, notice: notice, status: "maybe")
+      expect(Response.responsed_to_go(notice)).to be_empty
+
+      response2 = Response.create!(user: user2, notice: notice, status: "go")
+      expect(Response.responsed_to_go(notice)).to contain_exactly(response2)
+    end
+  end
+
+  describe "#responsed_at" do
+    it "should return created_at with localtime manner" do
+      user = FactoryGirl.create(:user)
+      notice = FactoryGirl.create(:notice)
+
+      response = Response.create!(user: user, notice: notice, status: "maybe", created_at: Date.new(2014, 10, 30))
+      expect(response.responsed_at).to eq("2014-10-30 00:00:00")
+    end
+  end
+
+  describe ".time" do
+    it "should return responsed time to given notice" do
+      user = FactoryGirl.create(:user)
+      notice = FactoryGirl.create(:notice)
+
+      expect(user.responses.time(notice)).to eq("")
+
+      response = Response.create!(user: user, notice: notice, status: "maybe", created_at: Date.new(2014, 10, 30))
+      expect(user.responses.time(notice)).to eq("2014-10-30 00:00:00")
+    end
+  end
 end