Adding Shell::hasMethod and tests for it.

cake/console/libs/shell.php

@@ -305,7 +305,21 @@ public function hasTask($task) {
  * @return boolean
  */
 	public function hasMethod($name) {
-
+		if (empty($this->_reflection)) {
+			$this->_reflection = new ReflectionClass($this);
+		}
+		try {
+			$method = $this->_reflection->getMethod($name);
+			if (!$method->isPublic() || substr($name, 0, 1) === '_') {
+				return false;
+			}
+			if ($method->getDeclaringClass() != $this->_reflection) {
+				return false;
+			}
+			return true;
+		} catch (ReflectionException $e) {
+			return false;
+		}
 	}
 
 /**

cake/tests/cases/console/libs/shell.test.php

@@ -57,6 +57,18 @@ class TestShell extends Shell {
 	protected function _stop($status = 0) {
 		$this->stopped = $status;
 	}
+
+	public function do_something() {
+
+	}
+
+	public function _secret() {
+
+	}
+
+	protected function no_access() {
+
+	}
 }
 
 /**
@@ -578,4 +590,16 @@ function testHasTask() {
 		$this->assertTrue($this->Shell->hasTask('db_config'));
 		$this->assertTrue($this->Shell->hasTask('DbConfig'));
 	}
+
+/**
+ * test the hasMethod
+ *
+ * @return void
+ */
+	function testHasMethod() {
+		$this->assertTrue($this->Shell->hasMethod('do_something'));
+		$this->assertFalse($this->Shell->hasMethod('hr'), 'hr is callable');
+		$this->assertFalse($this->Shell->hasMethod('_secret'), '_secret is callable');
+		$this->assertFalse($this->Shell->hasMethod('no_access'), 'no_access is callable');
+	}
 }