[Console] Added more semantic commands to detect verbosity

Author: lyrixx

src/Symfony/Component/Console/CHANGELOG.md

@@ -4,6 +4,7 @@ CHANGELOG
 2.4.0
 -----
 
+ * added convevient method to detect verbosity level
  * [BC BREAK] made descriptors use output instead of returning a string
 
 2.3.0

src/Symfony/Component/Console/Output/Output.php

@@ -98,6 +98,26 @@ public function getVerbosity()
         return $this->verbosity;
     }
 
+    public function isQuiet()
+    {
+        return self::VERBOSITY_QUIET === $this->verbosity;
+    }
+
+    public function isVerbose()
+    {
+        return self::VERBOSITY_VERBOSE <= $this->verbosity;
+    }
+
+    public function isVeryVerbose()
+    {
+        return self::VERBOSITY_VERY_VERBOSE <= $this->verbosity;
+    }
+
+    public function isDebug()
+    {
+        return self::VERBOSITY_DEBUG <= $this->verbosity;
+    }
+
     /**
      * {@inheritdoc}
      */

src/Symfony/Component/Console/Tests/Output/OutputTest.php

@@ -35,6 +35,35 @@ public function testSetGetVerbosity()
         $output = new TestOutput();
         $output->setVerbosity(Output::VERBOSITY_QUIET);
         $this->assertEquals(Output::VERBOSITY_QUIET, $output->getVerbosity(), '->setVerbosity() sets the verbosity');
+
+        $this->assertTrue($output->isQuiet());
+        $this->assertFalse($output->isVerbose());
+        $this->assertFalse($output->isVeryVerbose());
+        $this->assertFalse($output->isDebug());
+
+        $output->setVerbosity(Output::VERBOSITY_NORMAL);
+        $this->assertFalse($output->isQuiet());
+        $this->assertFalse($output->isVerbose());
+        $this->assertFalse($output->isVeryVerbose());
+        $this->assertFalse($output->isDebug());
+
+        $output->setVerbosity(Output::VERBOSITY_VERBOSE);
+        $this->assertFalse($output->isQuiet());
+        $this->assertTrue($output->isVerbose());
+        $this->assertFalse($output->isVeryVerbose());
+        $this->assertFalse($output->isDebug());
+
+        $output->setVerbosity(Output::VERBOSITY_VERY_VERBOSE);
+        $this->assertFalse($output->isQuiet());
+        $this->assertTrue($output->isVerbose());
+        $this->assertTrue($output->isVeryVerbose());
+        $this->assertFalse($output->isDebug());
+
+        $output->setVerbosity(Output::VERBOSITY_DEBUG);
+        $this->assertFalse($output->isQuiet());
+        $this->assertTrue($output->isVerbose());
+        $this->assertTrue($output->isVeryVerbose());
+        $this->assertTrue($output->isDebug());
     }
 
     public function testWriteWithVerbosityQuiet()