Add support for ignored_paths configuration and corresponding tests

README.md

@@ -81,6 +81,13 @@ RailsPerformance.setup do |config|
   # for example when you have `current_user`
   # config.verify_access_proc = proc { |controller| controller.current_user && controller.current_user.admin? }
 
+  # You can ignore endpoints with Rails standard notation controller#action
+  # config.ignored_endpoints = ['HomeController#contact']
+
+  # You can ignore request paths by specifying the beginning of the path.
+  # For example, all routes starting with '/admin' can be ignored:
+  # config.ignored_paths = ['/admin']
+
   # store custom data for the request
   # config.custom_data_proc = proc do |env|
   #   request = Rack::Request.new(env)

lib/generators/rails_performance/install/templates/initializer.rb

@@ -21,6 +21,10 @@
   # You can ignore endpoints with Rails standard notation controller#action
   # config.ignored_endpoints = ['HomeController#contact']
 
+  # You can ignore request paths by specifying the beginning of the path.
+  # For example, all routes starting with '/admin' can be ignored:
+  # config.ignored_paths = ['/admin']
+
   # store custom data for the request
   # config.custom_data_proc = proc do |env|
   #   request = Rack::Request.new(env)

lib/rails_performance.rb

@@ -83,6 +83,12 @@ def RailsPerformance.ignored_endpoints=(endpoints)
   end
   @@ignored_endpoints = []
 
+  mattr_reader :ignored_paths
+  def RailsPerformance.ignored_paths=(paths)
+    @@ignored_paths = Set.new(paths)
+  end
+  @@ignored_paths = []
+
   # skip requests if it's inside Rails Performance view
   mattr_accessor :skip
   @@skip = false

lib/rails_performance/instrument/metrics_collector.rb

@@ -23,6 +23,7 @@ def call(event_name, started, finished, event_id, payload)
         event = ActiveSupport::Notifications::Event.new(event_name, started, finished, event_id, payload)
 
         return if RailsPerformance.ignored_endpoints.include? "#{event.payload[:controller]}##{event.payload[:action]}"
+        return if RailsPerformance.ignored_paths.any? { |p| event.payload[:path].start_with?(p) }
 
         record = {
           controller: event.payload[:controller],

test/rails_performance_controller_test.rb

@@ -36,6 +36,14 @@ def requests_report_data
     RailsPerformance.ignored_endpoints = original_ignored_endpoints
   end
 
+  test "should respect ignored_paths configuration value" do
+    original_ignored_paths = RailsPerformance.ignored_paths
+    RailsPerformance.ignored_paths = ['/home']
+    get '/home/contact'
+    assert_equal requests_report_data.size, 0
+    RailsPerformance.ignored_paths = original_ignored_paths
+  end
+
   test "should get index" do
     setup_db
     assert_equal requests_report_data.size, 1