Added logging test.

- Related to #4 and #12.

test/unit/test_logging.rb

@@ -0,0 +1,35 @@
+require 'minitest/autorun'
+
+# I assume cat'ing to the LOAD path goes away when we're a real gem.
+$LOAD_PATH.unshift File.join(File.dirname(__FILE__), '..', '..', 'lib')
+require 'nagios-herald'
+require 'nagios-herald/config'
+require 'nagios-herald/logging'
+
+# Test the Config module.
+class TestLogging < MiniTest::Unit::TestCase
+  include NagiosHerald::Logging
+
+  # Initial setup before we execute tests
+  def setup
+    @options = {}
+    @options['config_file'] = File.expand_path(File.join(File.dirname(__FILE__), '..', '..', 'etc', 'config.yml.example'))
+    @tmp_logfile = '/tmp/nagios-herald-logging.log'
+    # Specify a log file
+    @options['logfile'] = @tmp_logfile
+    # Load the config
+    NagiosHerald::Config.load(@options)
+  end
+
+  def test_info_message
+    #INFO -- test_logging.rb (TestLogging): Testing nagios-herald logging
+    logger.info "Testing nagios-herald logging"
+    @log_message = File.new(@tmp_logfile, 'r').read
+    assert_match /INFO.+Testing nagios-herald logging/, @log_message
+  end
+
+  def teardown
+    File.delete(@tmp_logfile)
+  end
+
+end