Merged updates from trunk into stable branch

[feedcatcher.git] / vendor / rails / railties / lib / rails / backtrace_cleaner.rb

diff --git a/vendor/rails/railties/lib/rails/backtrace_cleaner.rb b/vendor/rails/railties/lib/rails/backtrace_cleaner.rb
new file mode 100644 (file)
index 0000000..923ed8b
--- /dev/null
+++ b/vendor/rails/railties/lib/rails/backtrace_cleaner.rb
@@ -0,0 +1,54 @@
+module Rails
+  class BacktraceCleaner < ActiveSupport::BacktraceCleaner
+    ERB_METHOD_SIG = /:in `_run_erb_.*/
+
+    RAILS_GEMS   = %w( actionpack activerecord actionmailer activesupport activeresource rails )
+
+    VENDOR_DIRS  = %w( vendor/rails )
+    SERVER_DIRS  = %w( lib/mongrel bin/mongrel
+                       lib/passenger bin/passenger-spawn-server
+                       lib/rack )
+    RAILS_NOISE  = %w( script/server )
+    RUBY_NOISE   = %w( rubygems/custom_require benchmark.rb )
+
+    ALL_NOISE    = VENDOR_DIRS + SERVER_DIRS + RAILS_NOISE + RUBY_NOISE
+
+    def initialize
+      super
+      add_filter   { |line| line.sub("#{RAILS_ROOT}/", '') }
+      add_filter   { |line| line.sub(ERB_METHOD_SIG, '') }
+      add_filter   { |line| line.sub('./', '/') } # for tests
+
+      add_gem_filters
+
+      add_silencer { |line| ALL_NOISE.any? { |dir| line.include?(dir) } }
+      add_silencer { |line| RAILS_GEMS.any? { |gem| line =~ /^#{gem} / } }
+      add_silencer { |line| line =~ %r(vendor/plugins/[^\/]+/lib) }
+    end
+    
+    
+    private
+      def add_gem_filters
+        Gem.path.each do |path|
+          # http://gist.github.com/30430
+          add_filter { |line| line.sub(/(#{path})\/gems\/([a-z]+)-([0-9.]+)\/(.*)/, '\2 (\3) \4')}
+        end
+
+        vendor_gems_path = Rails::GemDependency.unpacked_path.sub("#{RAILS_ROOT}/",'')
+        add_filter { |line| line.sub(/(#{vendor_gems_path})\/([a-z]+)-([0-9.]+)\/(.*)/, '\2 (\3) [v] \4')}
+      end
+  end
+
+  # For installing the BacktraceCleaner in the test/unit
+  module BacktraceFilterForTestUnit #:nodoc:
+    def self.included(klass)
+      klass.send :alias_method_chain, :filter_backtrace, :cleaning
+    end
+
+    def filter_backtrace_with_cleaning(backtrace, prefix=nil)
+      backtrace = filter_backtrace_without_cleaning(backtrace, prefix)
+      backtrace = backtrace.first.split("\n") if backtrace.size == 1
+      Rails.backtrace_cleaner.clean(backtrace)
+    end
+  end
+end