Move/rename files to follow naming conventions

1 files changed, 56 insertions, 0 deletions

diff --git a/activerecord/lib/active_record/fixture_set/file.rb b/activerecord/lib/active_record/fixture_set/file.rb
new file mode 100644
index 0000000000..11b53275e1
--- /dev/null
+++ b/activerecord/lib/active_record/fixture_set/file.rb
@@ -0,0 +1,56 @@
+require 'erb'
+require 'yaml'
+
+module ActiveRecord
+  class FixtureSet
+    class File # :nodoc:
+      include Enumerable
+
+      ##
+      # Open a fixture file named +file+.  When called with a block, the block
+      # is called with the filehandle and the filehandle is automatically closed
+      # when the block finishes.
+      def self.open(file)
+        x = new file
+        block_given? ? yield(x) : x
+      end
+
+      def initialize(file)
+        @file = file
+        @rows = nil
+      end
+
+      def each(&block)
+        rows.each(&block)
+      end
+
+      RESCUE_ERRORS = [ ArgumentError, Psych::SyntaxError ] # :nodoc:
+
+      private
+        def rows
+          return @rows if @rows
+
+          begin
+            data = YAML.load(render(IO.read(@file)))
+          rescue *RESCUE_ERRORS => error
+            raise Fixture::FormatError, "a YAML error occurred parsing #{@file}. Please note that YAML must be consistently indented using spaces. Tabs are not allowed. Please have a look at http://www.yaml.org/faq.html\nThe exact error was:\n  #{error.class}: #{error}", error.backtrace
+          end
+          @rows = data ? validate(data).to_a : []
+        end
+
+        def render(content)
+          ERB.new(content).result
+        end
+
+        # Validate our unmarshalled data.
+        def validate(data)
+          unless Hash === data || YAML::Omap === data
+            raise Fixture::FormatError, 'fixture is not a hash'
+          end
+
+          raise Fixture::FormatError unless data.all? { |name, row| Hash === row }
+          data
+        end
+    end
+  end
+end