Add Console::hasCommand method

Author: natanfelles

src/Console.php

@@ -233,6 +233,18 @@ public function removeCommands(array $names) : static
         return $this;
     }
 
+    /**
+     * Tells if it has a command.
+     *
+     * @param string $name Command name
+     *
+     * @return bool
+     */
+    public function hasCommand(string $name) : bool
+    {
+        return $this->getCommand($name) !== null;
+    }
+
     /**
      * Run the Console.
      */

tests/ConsoleTest.php

@@ -165,6 +165,13 @@ public function testRemoveCommands() : void
         self::assertNull($this->console->getCommand('help'));
     }
 
+    public function testHasCommand() : void
+    {
+        self::assertTrue($this->console->hasCommand('about'));
+        $this->console->removeCommand('about');
+        self::assertFalse($this->console->hasCommand('about'));
+    }
+
     public function testCommandString() : void
     {
         $this->console->addCommands([