sleep vs. wait_until

my_sample.rb

#my_target_page.rb

def add_and_save_notes notes
  fill_in("my_target_text_box", :with => notes)
  click_button "Save"  # This makes an AJAX request and adds new row to the table upon successfully saving
  sleep(3) #<-- This is BAD code. You should have the line below in place of this one.
  #wait_until { has_text?(notes) } #<-- This is GOOD practice that enables test stability and hence faith in test results
end

def has_note? notes
  has_text?(notes)
end


#my_target_spec.rb

describe "save notes" do
  it "should add notes as new row to table upon successful save" do
    notes = "sample notes"
    @my_target_page. add_and_save_notes notes
    @my_target_page.has_note?(notes).should be_true
  end
end