Sample rspec test for model

model_spec.rb

describe Article do
  describe ".recent" do
    it "includes articles published less than one week ago" do
      article = Article.create!(:published_at => Date.today - 1.week + 1.second)
      Article.recent.should eq([article])
    end

    it "excludes articles published at midnight one week ago" do
      article = Article.create!(:published_at => Date.today - 1.week)
      Article.recent.should be_empty
    end

    it "excludes articles published more than one week ago" do
      article = Article.create!(:published_at => Date.today - 1.week - 1.second)
      Article.recent.should be_empty
    end
  end
end