[api] some measures to increase coverage

src/api/app/helpers/application_helper.rb

@@ -1,6 +1,3 @@
 # Methods added to this helper will be available to all templates in the application.
 module ApplicationHelper
-  def http_user
-    return @http_user
-  end
 end

src/api/app/helpers/status_helper.rb

@@ -319,10 +319,6 @@ def self.filter_by_package_name(name)
     return true
   end
 
-  def self.memory_usage
-    number_to_human_size(`ps -o rss= -p #{Process.pid}`.to_i * 1024)
-  end
-
   def self.calc_status(dbproj, backend)
     mypackages = Hash.new
 

src/api/test/functional/status_controller_test.rb

@@ -62,4 +62,13 @@ def test_bsrequest
     assert_response :success
   end
 
+  def test_history
+    get "/status/history"
+    assert_response 400
+
+    get "/status/history?hours=24&key=idle_i586"
+    assert_response :success
+    # there is no history in fixtures so the result doesn't matter
+  end
 end
+