Implemented detection of duplicate task name

Cronner/Cronner.php

@@ -181,7 +181,11 @@ public function addTasks($tasks)
 		$methods = $reflection->getMethods(ReflectionMethod::IS_PUBLIC);
 		foreach ($methods as $method) {
 			if (!Strings::startsWith($method->getName(), '__') && $method->hasAnnotation(Parameters::TASK)) {
-				$this->tasks[] = new Task($tasks, $method, $this->timestampStorage);
+				$task =  new Task($tasks, $method, $this->timestampStorage);
+				if (array_key_exists($task->getName(), $this->tasks)) {
+					throw new DuplicateTaskNameException('Cannot use more tasks with the same name "' . $task->getName() . '".');
+				}
+				$this->tasks[$task->getName()] = $task;
 			}
 		}
 		$this->registeredTaskObjects[] = $tasksId;

Cronner/exceptions.php

@@ -44,6 +44,16 @@ class EmptyTaskNameException extends InvalidArgumentException
 
 
 
+/**
+ * @author Martin Štekl <[email protected]>
+ */
+class DuplicateTaskNameException extends InvalidArgumentException
+{
+
+}
+
+
+
 /**
  * @author Martin Štekl <[email protected]>
  */

tests/CronnerTests/objects/AnotherSimpleTestObject.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace stekycz\Cronner\tests\objects;
+
+use Nette\Object;
+
+
+/**
+ * @author Martin Štekl <[email protected]>
+ */
+class AnotherSimpleTestObject extends Object
+{
+
+	/**
+	 * @cronner-task Test
+	 */
+	public function test01()
+	{
+	}
+
+}

tests/CronnerTests/objects/NextSimpleTestObject.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace stekycz\Cronner\tests\objects;
+
+use Nette\Object;
+
+
+/**
+ * @author Martin Štekl <[email protected]>
+ */
+class NextSimpleTestObject extends Object
+{
+
+	/**
+	 * @cronner-task Test
+	 */
+	public function test01()
+	{
+	}
+
+}

tests/CronnerTests/objects/SameTaskNameObject.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace stekycz\Cronner\tests\objects;
+
+use Nette\Object;
+
+
+
+/**
+ * @author Martin Štekl <[email protected]>
+ */
+class SameTaskNameObject extends Object
+{
+
+	/**
+	 * @cronner-task Test
+	 */
+	public function test01()
+	{
+	}
+
+
+
+	/**
+	 * @cronner-task Test
+	 */
+	public function test02()
+	{
+	}
+
+}