Adding View::_paths() optimization.

Test cases added.
Refs #49

Author: markstory

cake/libs/view/view.php

@@ -895,11 +895,14 @@ function _paths($plugin = null, $cached = true) {
 		}
 		$paths = array();
 		$viewPaths = Configure::read('viewPaths');
+		$corePaths = array_flip(Configure::corePaths('view'));
 
 		if (!empty($plugin)) {
 			$count = count($viewPaths);
 			for ($i = 0; $i < $count; $i++) {
-				$paths[] = $viewPaths[$i] . 'plugins' . DS . $plugin . DS;
+				if (!isset($corePaths[$viewPaths[$i]])) {
+					$paths[] = $viewPaths[$i] . 'plugins' . DS . $plugin . DS;
+				}
 			}
 			$pluginPaths = Configure::read('pluginPaths');
 			$count = count($pluginPaths);

cake/tests/cases/libs/view/view.test.php

@@ -143,6 +143,18 @@ function getLayoutFileName($name = null) {
 	function loadHelpers(&$loaded, $helpers, $parent = null) {
 		return $this->_loadHelpers($loaded, $helpers, $parent);
 	}
+/**
+ * paths method
+ *
+ * @param string $plugin
+ * @param boolean $cached
+ * @access public
+ * @return void
+ */
+	function paths($plugin = null, $cached = true) {
+		return $this->_paths($plugin, $cached);
+	}
+
 /**
  * cakeError method
  *
@@ -237,7 +249,10 @@ function testPluginGetTemplate() {
 
 		$View = new TestView($this->Controller);
 		Configure::write('pluginPaths', array(TEST_CAKE_CORE_INCLUDE_PATH . 'tests' . DS . 'test_app' . DS . 'plugins' . DS));
-		Configure::write('viewPaths', array(TEST_CAKE_CORE_INCLUDE_PATH . 'tests' . DS . 'test_app' . DS . 'views'. DS));
+		Configure::write('viewPaths', array(
+			TEST_CAKE_CORE_INCLUDE_PATH . 'tests' . DS . 'test_app' . DS . 'views' . DS,
+			TEST_CAKE_CORE_INCLUDE_PATH . 'libs' . DS . 'view' . DS,
+		));
 
 		$expected = TEST_CAKE_CORE_INCLUDE_PATH . 'tests' . DS . 'test_app' . DS . 'plugins' . DS .'test_plugin' . DS . 'views' . DS .'tests' . DS .'index.ctp';
 		$result = $View->getViewFileName('index');
@@ -247,6 +262,36 @@ function testPluginGetTemplate() {
 		$result = $View->getLayoutFileName();
 		$this->assertEqual($result, $expected);
 	}
+/**
+ * test that plugin/$plugin_name is only appended to the paths it should be.
+ *
+ * @return void
+ **/
+	function testPluginPathGeneration() {
+		$this->Controller->plugin = 'test_plugin';
+		$this->Controller->name = 'TestPlugin';
+		$this->Controller->viewPath = 'tests';
+		$this->Controller->action = 'index';
+
+		Configure::write('viewPaths', array(
+			TEST_CAKE_CORE_INCLUDE_PATH . 'tests' . DS . 'test_app' . DS . 'views' . DS,
+			TEST_CAKE_CORE_INCLUDE_PATH . 'libs' . DS . 'view' . DS,
+		));
+
+		$View = new TestView($this->Controller);
+		$paths = $View->paths();
+		$this->assertEqual($paths, Configure::read('viewPaths'));
+
+		$paths = $View->paths('test_plugin');
+		$expected = array(
+			TEST_CAKE_CORE_INCLUDE_PATH . 'tests' . DS . 'test_app' . DS . 'views' . DS . 'plugins' . DS . 'test_plugin' . DS,
+			TEST_CAKE_CORE_INCLUDE_PATH . 'tests' . DS . 'test_app' . DS . 'plugins' . DS . 'test_plugin' . DS . 'views' . DS,
+			TEST_CAKE_CORE_INCLUDE_PATH . 'tests' . DS . 'test_app' . DS . 'views' . DS,
+			TEST_CAKE_CORE_INCLUDE_PATH . 'libs' . DS . 'view' . DS
+		);
+		$this->assertEqual($paths, $expected);
+	}
+
 /**
  * test that CamelCase plugins still find their view files.
  *