test/test_cli.rb in is_master-1.0.0 vs test/test_cli.rb in is_master-1.1.0

@@ -1,13 +1,33 @@
 require 'test/unit'
 
 class TestCli < Test::Unit::TestCase
+  def test_missing_arg
+    output = %x(is_master 127.0.0.1)
+    assert_match('Usage: ', output)
+
+    output = %x(is_master)
+    assert_match('Usage: ', output)
+  end
+
   def test_slave_mode
     output = %x(is_master 10.255.255.0 echo 'GOOD!')
     assert_match('I am slave', output)
   end
 
   def test_master_mode
     output = %x(is_master 127.0.0.1 echo 'GOOD!')
     assert_match('GOOD!', output)
+  end
+
+  def test_file_slave_mode
+    output = %x(is_master /tmp/test.txt echo 'GOOD!')
+    assert_match('I am slave', output)
+  end
+
+  def test_file_master_mode
+    File.write('/tmp/test.txt', '')
+    output = %x(is_master /tmp/test.txt echo 'GOOD!')
+    assert_match('GOOD!', output)
+    File.unlink('/tmp/test.txt')
   end
 end