gistfile1.txt

├── bin
│   ├── myappd
│   └── 
├── conf
│   └── myapp.conf
├── Gemfile
├── Gemfile.lock
├── lib
│   ├── myapp
│   │   └── myapp_utilities
│   │       ├── configuration_management.rb
│   │       ├── file_proc.rb
│   │       ├── logging.rb
│   │       ├── mirror_sync_utilities.rb
│   │       └── notification.rb
├── README.md
└── spec
    └── unit
        ├── lib
        │   │   └── mirror_sync_utilities
        │   │       └── TestMyApp.rb

===========================================================
  1 require "minitest/autorun"                                 
  2 
  3 class TestMyApp < Minitest::Test
  4 
  5         def setup
  6                 @dummy_class = Class.new do
  7     
  8                         include MyAppUtilities::Logging
  9                 end     
 10         end     
 11         
 12         def test_that_log_method_outputs_messages_in_correct_format
 13                 Time.stub :now, '2016-11-15 11:42:54 +0800' do
 14                         Process.stub :pid, 123 do
 15                                 assert_equal "2016-11-15 11:42:54 +0800 > [123]This is a test", @dummy_class.log("This is a test")
 16                         end     
 17                 end     
 18         end     
 19 end            
 =========================================================
   1 module MyAppUtilities::Logging
  2 
  3         LOG_DIR = BASE_DIR + '/logs'
  4         DAEMON_LOG = LOG_DIR + '/myapp.log'
  5                 
  6         def log(msg)    
  7                 puts "#{Time.now} > [#{Process.pid}] #{msg}"
  8         end     
  9         
 10         def log_error(error)
 11                 log "#{error}\n\t#{error.backtrace.join("\n\t")}"
 12         end     
 13 end