Date.beginning_of_week thread local and beginning_of_week application config option added (default is Monday)

2 files changed, 24 insertions, 1 deletions

diff --git a/railties/lib/rails/application/configuration.rb b/railties/lib/rails/application/configuration.rb
index c4c1fcca40..580d7c6c77 100644
--- a/railties/lib/rails/application/configuration.rb
+++ b/railties/lib/rails/application/configuration.rb
@@ -13,7 +13,7 @@ module Rails
                     :railties_order, :relative_url_root, :secret_token,
                     :serve_static_assets, :ssl_options, :static_cache_control, :session_options,
                     :time_zone, :reload_classes_only_on_change,
-                    :queue, :queue_consumer
+                    :queue, :queue_consumer, :beginning_of_week
 
       attr_writer :log_level
       attr_reader :encoding
@@ -31,6 +31,7 @@ module Rails
         @session_store                 = :cookie_store
         @session_options               = {}
         @time_zone                     = "UTC"
+        @beginning_of_week             = :monday
         @log_level                     = nil
         @middleware                    = app_middleware
         @generators                    = app_generators
diff --git a/railties/test/application/configuration_test.rb b/railties/test/application/configuration_test.rb
index 039b08c723..428c90afd0 100644
--- a/railties/test/application/configuration_test.rb
+++ b/railties/test/application/configuration_test.rb
@@ -445,6 +445,28 @@ module ApplicationTests
       end
     end
 
+    test "valid beginning of week is setup correctly" do
+      add_to_config <<-RUBY
+        config.root = "#{app_path}"
+          config.beginning_of_week = :wednesday
+      RUBY
+
+      require "#{app_path}/config/environment"
+
+      assert_equal :wednesday, Rails.application.config.beginning_of_week
+    end
+
+    test "raises when an invalid beginning of week is defined in the config" do
+      add_to_config <<-RUBY
+        config.root = "#{app_path}"
+          config.beginning_of_week = :invalid
+      RUBY
+
+      assert_raise(ArgumentError) do
+        require "#{app_path}/config/environment"
+      end
+    end
+
     test "config.action_controller.perform_caching = false" do
       make_basic_app do |app|
         app.config.action_controller.perform_caching = false