Provide an option to specify command with

README.md

@@ -82,6 +82,10 @@ The following options can be passed to Guard::PHPUnit:
 :cli => '--colors'            # The options passed to the phpunit command
                               # when running the tests.
                               # default: nil
+
+:command => "./bin/phpunit"   # specify alternative phpunit location
+                              # that is not on the path.
+                              # Useful if running phpunit from composer
 ```
 
 Development

lib/guard/phpunit/runner.rb

@@ -172,9 +172,12 @@ def symlink_paths_to_tests_folder(paths, folder)
         #
         def phpunit_command(path, options)
           formatter_path = File.join( File.dirname(__FILE__), 'formatters', 'PHPUnit-Progress')
+
+          command = "phpunit"
+          command = options[:command] if options[:command]
 
           cmd_parts = []
-          cmd_parts << "phpunit"
+          cmd_parts << command
           cmd_parts << "--include-path #{formatter_path}"
           cmd_parts << "--printer PHPUnit_Extensions_Progress_ResultPrinter"
           cmd_parts << options[:cli] if options[:cli]
@@ -194,4 +197,4 @@ def execute_command(command)
       end
     end
   end
-end
+end

spec/guard/phpunit/runner_spec.rb

@@ -50,6 +50,14 @@
         subject.run( ['tests'] )
       end
 
+      it 'runs phpunit tests with provided command' do
+        formatter_path = @project_path.join('lib', 'guard', 'phpunit', 'formatters', 'PHPUnit-Progress')
+        subject.should_receive(:execute_command).with(
+          %r{^/usr/local/bin/phpunit --include-path #{formatter_path} --printer PHPUnit_Extensions_Progress_ResultPrinter .+$}
+        ).and_return(true)
+        subject.run( ['tests'] , {:command => '/usr/local/bin/phpunit'} )
+      end
+
       it 'prints the tests output to the console' do
           output = load_phpunit_output('passing')
           subject.stub(:notify_start)