integration test for logging

test/integration_test.rb

@@ -26,10 +26,15 @@ class IntegrationTest < Test::Unit::TestCase
   end
 
   def display_output(pipe)
+    out = read_output(pipe)
+    $stderr.puts command, out unless out.empty?
+  end
+
+  def read_output(pipe)
     out = ""
     loop { out <<  pipe.read_nonblock(1) }
   rescue
-    $stderr.puts command, out unless out.empty?
+    out
   end
 
   def kill(pid, signal = "TERM")
@@ -41,6 +46,7 @@ class IntegrationTest < Test::Unit::TestCase
   def with_server
     pipe = IO.popen(command)
     error = nil
+
     Timeout.timeout(120) do
       begin
         yield
@@ -50,20 +56,29 @@ class IntegrationTest < Test::Unit::TestCase
         retry
       end
     end
+
+    output = read_output(pipe)
     kill(pipe.pid) if pipe
+    output
   rescue Timeout::Error => e
     display_output pipe
     kill(pipe.pid, "KILL") if pipe
     raise error || e
   end
 
-  def assert_content(url, content)
-    with_server do
-      response = open("http://127.0.0.1:#{port}#{url}")
-      assert_equal response.read, content
+  def get(url)
+    open("http://127.0.0.1:#{port}#{url}").read
   end
+
+  def assert_content(url, content)
+    with_server { assert_equal get(url), content }
   end
 
   it('sets the app_file') { assert_content "/app_file", app_file }
   it('only extends main') { assert_content "/mainonly", "true"   }
+
+  it 'logs once in development mode' do
+    log = with_server { get('/app_file') }
+    assert_equal 1, log.scan('/app_file').count
+  end
 end