cleanup on command help init and unit test

Author: splitbrain

src/Options.php

@@ -49,7 +49,8 @@ public function __construct(Colors $colors = null)
             '' => array(
                 'opts' => array(),
                 'args' => array(),
-                'help' => ''
+                'help' => '',
+                'commandhelp' => 'This tool accepts a command as first parameter as outlined below:'
             )
         ); // default command
 
@@ -352,8 +353,8 @@ public function help()
         $text = '';
 
         $hascommands = (count($this->setup) > 1);
-        $commandhelp = $this->setup[""]["commandhelp"]
-                     ?: 'This tool accepts a command as first parameter as outlined below:';
+        $commandhelp = $this->setup['']["commandhelp"];
+
         foreach ($this->setup as $command => $config) {
             $hasopts = (bool)$this->setup[$command]['opts'];
             $hasargs = (bool)$this->setup[$command]['args'];

tests/OptionsTest.php

@@ -76,4 +76,15 @@ function test_complex()
         $this->assertTrue($options->getOpt('long'));
         $this->assertEquals(array('foo'), $options->args);
     }
+
+    function test_commandhelp()
+    {
+        $options = new Options();
+        $options->registerCommand('cmd', 'a command');
+        $this->assertStringContainsString('accepts a command as first parameter', $options->help());
+
+        $options->setCommandHelp('foooooobaar');
+        $this->assertStringNotContainsString('accepts a command as first parameter', $options->help());
+        $this->assertStringContainsString('foooooobaar', $options->help());
+    }
 }