Add helper for loading seed data for engine and application

Signed-off-by: José Valim <jose.valim@gmail.com>

2 files changed, 10 insertions, 0 deletions

diff --git a/railties/lib/rails/engine.rb b/railties/lib/rails/engine.rb
index 10df9b3a6c..8387f277c9 100644
--- a/railties/lib/rails/engine.rb
+++ b/railties/lib/rails/engine.rb
@@ -380,6 +380,15 @@ module Rails
       @config ||= Engine::Configuration.new(find_root_with_flag("lib"))
     end
 
+    # Load data from db/seeds.rb file. It can be used in to load engines'
+    # seeds, e.g.:
+    #
+    # Blog::Engine.load_seed
+    def load_seed
+      seed_file = config.paths.db.seeds.to_a.first
+      load(seed_file) if File.exist?(seed_file)
+    end
+
     # Add configured load paths to ruby load paths and remove duplicates.
     initializer :set_load_path, :before => :bootstrap_hook do
       _all_load_paths.reverse_each do |path|
diff --git a/railties/lib/rails/engine/configuration.rb b/railties/lib/rails/engine/configuration.rb
index 3ac8911ba8..d4d87be527 100644
--- a/railties/lib/rails/engine/configuration.rb
+++ b/railties/lib/rails/engine/configuration.rb
@@ -37,6 +37,7 @@ module Rails
           paths.vendor.plugins      "vendor/plugins"
           paths.db                  "db"
           paths.db.migrate          "db/migrate"
+          paths.db.seeds            "db/seeds.rb"
           paths
         end
       end