1 files changed, 64 insertions, 0 deletions
diff --git a/railties/lib/rails/test_unit/reporter.rb b/railties/lib/rails/test_unit/reporter.rb
new file mode 100644
index 0000000000..e1fe92a11b
--- /dev/null
+++ b/railties/lib/rails/test_unit/reporter.rb
@@ -0,0 +1,64 @@
+require "active_support/core_ext/class/attribute"
+require "minitest"
+
+module Rails
+  class TestUnitReporter < Minitest::StatisticsReporter
+    class_attribute :executable
+    self.executable = "bin/rails test"
+
+    def record(result)
+      super
+
+      if output_inline? && result.failure && (!result.skipped? || options[:verbose])
+        io.puts
+        io.puts
+        io.puts result.failures.map(&:message)
+        io.puts
+        io.puts format_rerun_snippet(result)
+        io.puts
+      end
+
+      if fail_fast? && result.failure && !result.error? && !result.skipped?
+        raise Interrupt
+      end
+    end
+
+    def report
+      return if output_inline? || filtered_results.empty?
+      io.puts
+      io.puts "Failed tests:"
+      io.puts
+      io.puts aggregated_results
+    end
+
+    def aggregated_results # :nodoc:
+      filtered_results.map { |result| format_rerun_snippet(result) }.join "\n"
+    end
+
+    def filtered_results
+      if options[:verbose]
+        results
+      else
+        results.reject(&:skipped?)
+      end
+    end
+
+    def relative_path_for(file)
+      file.sub(/^#{Rails.root}\/?/, '')
+    end
+
+    private
+      def output_inline?
+        options[:output_inline]
+      end
+
+      def fail_fast?
+        options[:fail_fast]
+      end
+
+      def format_rerun_snippet(result)
+        location, line = result.method(result.name).source_location
+        "#{self.executable} #{relative_path_for(location)}:#{line}"
+      end
+  end
+end