rspec 1 before / let for context

gistfile1.txt

describe "3 users exist"
  let(:users) {(1..3).map {User.make}}

  specify "user count should be 3" do
    pending "this will fail because users hasn't been called" do
      User.count.should == 3
    end
  end

  specify "3 users should exist" do
    users
    User.count.should == 3
  end
  
  specify "ordering matches creation" do
    users
    User.all.should == users
  end
end

#vs

describe "3 users exist"
  let(:users) {(1..3).map {User.make}}
  before(:each) { users.should be_present }
  specify "user count should be 3" do
    User.count.should == 3
  end
  specify "ordering matches creation" do
    User.all.should == users
  end
end

#vs

describe "3 users exist"
  before(:each) { @users = (1..3).map {User.make} }
  specify "user count should be 3" do
    User.count.should == 3
  end
  specify "ordering matches creation" do
    User.all.should == @users
  end
end