Merge pull request #3244 from jekyll/store-messages

lib/jekyll/log_adapter.rb

@@ -1,6 +1,6 @@
 module Jekyll
   class LogAdapter
-    attr_reader :writer
+    attr_reader :writer, :messages
 
     LOG_LEVELS = {
       :debug => ::Logger::DEBUG,
@@ -16,6 +16,7 @@ module Jekyll
     #
     # Returns nothing
     def initialize(writer, level = :info)
+      @messages = []
       @writer = writer
       self.log_level = level
     end
@@ -87,7 +88,9 @@ module Jekyll
     #
     # Returns the formatted message
     def message(topic, message)
-      formatted_topic(topic) + message.to_s.gsub(/\s+/, ' ')
+      msg = formatted_topic(topic) + message.to_s.gsub(/\s+/, ' ')
+      messages << msg
+      msg
     end
 
     # Internal: Format the topic

test/test_log_adapter.rb

@@ -3,6 +3,11 @@ require 'helper'
 class TestLogAdapter < Test::Unit::TestCase
   class LoggerDouble
     attr_accessor :level
+
+    def debug(*); end
+    def info(*); end
+    def warn(*); end
+    def error(*); end
   end
 
   context "#log_level=" do
@@ -56,4 +61,20 @@ class TestLogAdapter < Test::Unit::TestCase
       assert_raise(SystemExit) { logger.abort_with('topic', 'log message') }
     end
   end
+
+  context "#messages" do
+    should "return an array" do
+      assert_equal [], Jekyll::LogAdapter.new(LoggerDouble.new).messages
+    end
+
+    should "store each log value in the array" do
+      logger = Jekyll::LogAdapter.new(LoggerDouble.new)
+      values = %w{one two three four}
+      logger.debug(values[0])
+      logger.info(values[1])
+      logger.warn(values[2])
+      logger.error(values[3])
+      assert_equal values.map { |value| "#{value} ".rjust(20) }, logger.messages
+    end
+  end
 end