spec/integration/rack/app.rb

require "sinatra/base"

class RackApp < Sinatra::Base
  use_in_file_templates!

  get "/" do
    erb :home
  end

  get "/go" do
    erb :go
  end

  get "/internal_redirect" do
    redirect "/"
  end

  get "/external_redirect" do
    redirect "http://google.com"
  end

  get "/absolute_redirect" do
    redirect URI.join(request.url, "foo").to_s
  end

  get "/foo" do
    "spam"
  end

  post "/go" do
    @user = params[:name]
    @email = params[:email]
    erb :hello
  end

  get "/upload" do
    erb :uploader
  end

  post "/upload" do
    uploaded_file = params[:uploaded_file]
    Marshal.dump(:tempfile => uploaded_file[:tempfile].read, :type => uploaded_file[:type], :filename => uploaded_file[:filename])
  end
end

__END__
@@ layout
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
  <title>sinatra testing with webrat</title>
  <body>
    <%= yield %>
  </body>
</html>

@@ home
<p> visit <a href="/go">there</a></p>

<form>
  <label>
    Prefilled
    <input type="text" name="prefilled" value="text" />
  </label>
</form>

@@ go
<form method="post" action="/go">
  <div>
    <label for="name">Name</label>
    <input type="text" name="name" id="name">
  </div>
  <div>
    <label for="email">Email</label>
    <input type="text" name="email" id="email">
  </div>
  <input type="submit" value="Submit" />
</form>

@@ hello
<p>Hello, <%= @user %></p>
<p>Your email is: <%= @email %></p>

@@ uploader
<form action="/upload" method="post">
  <label>
    File <input type="file" name="uploaded_file" />
  </label>
  <input type="submit" value="Upload">
</form>