dreamjob/lib/Cake/Console/Command/Task/TestTask.php

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2015-03-31 14:49:03 +02:00
<?php
/**
* The TestTask handles creating and updating test files.
*
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
* @link http://cakephp.org CakePHP(tm) Project
* @since CakePHP(tm) v 1.3
* @license http://www.opensource.org/licenses/mit-license.php MIT License
*/
App::uses('AppShell', 'Console/Command');
App::uses('BakeTask', 'Console/Command/Task');
App::uses('ClassRegistry', 'Utility');
/**
* Task class for creating and updating test files.
*
* @package Cake.Console.Command.Task
*/
class TestTask extends BakeTask {
/**
* path to TESTS directory
*
* @var string
*/
public $path = TESTS;
/**
* Tasks used.
*
* @var array
*/
public $tasks = array('Template');
/**
* class types that methods can be generated for
*
* @var array
*/
public $classTypes = array(
'Model' => 'Model',
'Controller' => 'Controller',
'Component' => 'Controller/Component',
'Behavior' => 'Model/Behavior',
'Helper' => 'View/Helper'
);
/**
* Mapping between packages, and their baseclass + package.
* This is used to generate App::uses() call to autoload base
* classes if a developer has forgotten to do so.
*
* @var array
*/
public $baseTypes = array(
'Model' => array('Model', 'Model'),
'Behavior' => array('ModelBehavior', 'Model'),
'Controller' => array('Controller', 'Controller'),
'Component' => array('Component', 'Controller'),
'Helper' => array('Helper', 'View')
);
/**
* Internal list of fixtures that have been added so far.
*
* @var array
*/
protected $_fixtures = array();
/**
* Execution method always used for tasks
*
* @return void
*/
public function execute() {
parent::execute();
$count = count($this->args);
if (!$count) {
$this->_interactive();
}
if ($count === 1) {
$this->_interactive($this->args[0]);
}
if ($count > 1) {
$type = Inflector::classify($this->args[0]);
if ($this->bake($type, $this->args[1])) {
$this->out('<success>Done</success>');
}
}
}
/**
* Handles interactive baking
*
* @param string $type
* @return string|boolean
*/
protected function _interactive($type = null) {
$this->interactive = true;
$this->hr();
$this->out(__d('cake_console', 'Bake Tests'));
$this->out(__d('cake_console', 'Path: %s', $this->getPath()));
$this->hr();
if ($type) {
$type = Inflector::camelize($type);
if (!isset($this->classTypes[$type])) {
$this->error(__d('cake_console', 'Incorrect type provided. Please choose one of %s', implode(', ', array_keys($this->classTypes))));
}
} else {
$type = $this->getObjectType();
}
$className = $this->getClassName($type);
return $this->bake($type, $className);
}
/**
* Completes final steps for generating data to create test case.
*
* @param string $type Type of object to bake test case for ie. Model, Controller
* @param string $className the 'cake name' for the class ie. Posts for the PostsController
* @return string|boolean
*/
public function bake($type, $className) {
$plugin = null;
if ($this->plugin) {
$plugin = $this->plugin . '.';
}
$realType = $this->mapType($type, $plugin);
$fullClassName = $this->getRealClassName($type, $className);
if ($this->typeCanDetectFixtures($type) && $this->isLoadableClass($realType, $fullClassName)) {
$this->out(__d('cake_console', 'Bake is detecting possible fixtures...'));
$testSubject = $this->buildTestSubject($type, $className);
$this->generateFixtureList($testSubject);
} elseif ($this->interactive) {
$this->getUserFixtures();
}
list($baseClass, $baseType) = $this->getBaseType($type);
App::uses($baseClass, $baseType);
App::uses($fullClassName, $realType);
$methods = array();
if (class_exists($fullClassName)) {
$methods = $this->getTestableMethods($fullClassName);
}
$mock = $this->hasMockClass($type, $fullClassName);
list($preConstruct, $construction, $postConstruct) = $this->generateConstructor($type, $fullClassName, $plugin);
$uses = $this->generateUses($type, $realType, $fullClassName);
$this->out("\n" . __d('cake_console', 'Baking test case for %s %s ...', $className, $type), 1, Shell::QUIET);
$this->Template->set('fixtures', $this->_fixtures);
$this->Template->set('plugin', $plugin);
$this->Template->set(compact(
'className', 'methods', 'type', 'fullClassName', 'mock',
'realType', 'preConstruct', 'postConstruct', 'construction',
'uses'
));
$out = $this->Template->generate('classes', 'test');
$filename = $this->testCaseFileName($type, $className);
$made = $this->createFile($filename, $out);
if ($made) {
return $out;
}
return false;
}
/**
* Interact with the user and get their chosen type. Can exit the script.
*
* @return string Users chosen type.
*/
public function getObjectType() {
$this->hr();
$this->out(__d('cake_console', 'Select an object type:'));
$this->hr();
$keys = array();
$i = 0;
foreach ($this->classTypes as $option => $package) {
$this->out(++$i . '. ' . $option);
$keys[] = $i;
}
$keys[] = 'q';
$selection = $this->in(__d('cake_console', 'Enter the type of object to bake a test for or (q)uit'), $keys, 'q');
if ($selection === 'q') {
return $this->_stop();
}
$types = array_keys($this->classTypes);
return $types[$selection - 1];
}
/**
* Get the user chosen Class name for the chosen type
*
* @param string $objectType Type of object to list classes for i.e. Model, Controller.
* @return string Class name the user chose.
*/
public function getClassName($objectType) {
$type = ucfirst(strtolower($objectType));
$typeLength = strlen($type);
$type = $this->classTypes[$type];
if ($this->plugin) {
$plugin = $this->plugin . '.';
$options = App::objects($plugin . $type);
} else {
$options = App::objects($type);
}
$this->out(__d('cake_console', 'Choose a %s class', $objectType));
$keys = array();
foreach ($options as $key => $option) {
$this->out(++$key . '. ' . $option);
$keys[] = $key;
}
while (empty($selection)) {
$selection = $this->in(__d('cake_console', 'Choose an existing class, or enter the name of a class that does not exist'));
if (is_numeric($selection) && isset($options[$selection - 1])) {
$selection = $options[$selection - 1];
}
if ($type !== 'Model') {
$selection = substr($selection, 0, $typeLength * - 1);
}
}
return $selection;
}
/**
* Checks whether the chosen type can find its own fixtures.
* Currently only model, and controller are supported
*
* @param string $type The Type of object you are generating tests for eg. controller
* @return boolean
*/
public function typeCanDetectFixtures($type) {
$type = strtolower($type);
return in_array($type, array('controller', 'model'));
}
/**
* Check if a class with the given package is loaded or can be loaded.
*
* @param string $package The package of object you are generating tests for eg. controller
* @param string $class the Classname of the class the test is being generated for.
* @return boolean
*/
public function isLoadableClass($package, $class) {
App::uses($class, $package);
list($plugin, $ns) = pluginSplit($package);
if ($plugin) {
App::uses("{$plugin}AppController", $package);
App::uses("{$plugin}AppModel", $package);
App::uses("{$plugin}AppHelper", $package);
}
return class_exists($class);
}
/**
* Construct an instance of the class to be tested.
* So that fixtures can be detected
*
* @param string $type The Type of object you are generating tests for eg. controller
* @param string $class the Classname of the class the test is being generated for.
* @return object And instance of the class that is going to be tested.
*/
public function buildTestSubject($type, $class) {
ClassRegistry::flush();
App::uses($class, $type);
$class = $this->getRealClassName($type, $class);
if (strtolower($type) === 'model') {
$instance = ClassRegistry::init($class);
} else {
$instance = new $class();
}
return $instance;
}
/**
* Gets the real class name from the cake short form. If the class name is already
* suffixed with the type, the type will not be duplicated.
*
* @param string $type The Type of object you are generating tests for eg. controller
* @param string $class the Classname of the class the test is being generated for.
* @return string Real class name
*/
public function getRealClassName($type, $class) {
if (strtolower($type) === 'model' || empty($this->classTypes[$type])) {
return $class;
}
$position = strpos($class, $type);
if ($position !== false && strlen($class) - $position == strlen($type)) {
return $class;
}
return $class . $type;
}
/**
* Map the types that TestTask uses to concrete types that App::uses can use.
*
* @param string $type The type of thing having a test generated.
* @param string $plugin The plugin name.
* @return string
* @throws CakeException When invalid object types are requested.
*/
public function mapType($type, $plugin) {
$type = ucfirst($type);
if (empty($this->classTypes[$type])) {
throw new CakeException(__d('cake_dev', 'Invalid object type.'));
}
$real = $this->classTypes[$type];
if ($plugin) {
$real = trim($plugin, '.') . '.' . $real;
}
return $real;
}
/**
* Get the base class and package name for a given type.
*
* @param string $type The type the class having a test
* generated for is in.
* @return array Array of (class, type)
* @throws CakeException on invalid types.
*/
public function getBaseType($type) {
if (empty($this->baseTypes[$type])) {
throw new CakeException(__d('cake_dev', 'Invalid type name'));
}
return $this->baseTypes[$type];
}
/**
* Get methods declared in the class given.
* No parent methods will be returned
*
* @param string $className Name of class to look at.
* @return array Array of method names.
*/
public function getTestableMethods($className) {
$classMethods = get_class_methods($className);
$parentMethods = get_class_methods(get_parent_class($className));
$thisMethods = array_diff($classMethods, $parentMethods);
$out = array();
foreach ($thisMethods as $method) {
if (substr($method, 0, 1) !== '_' && $method != strtolower($className)) {
$out[] = $method;
}
}
return $out;
}
/**
* Generate the list of fixtures that will be required to run this test based on
* loaded models.
*
* @param object $subject The object you want to generate fixtures for.
* @return array Array of fixtures to be included in the test.
*/
public function generateFixtureList($subject) {
$this->_fixtures = array();
if ($subject instanceof Model) {
$this->_processModel($subject);
} elseif ($subject instanceof Controller) {
$this->_processController($subject);
}
return array_values($this->_fixtures);
}
/**
* Process a model recursively and pull out all the
* model names converting them to fixture names.
*
* @param Model $subject A Model class to scan for associations and pull fixtures off of.
* @return void
*/
protected function _processModel($subject) {
$this->_addFixture($subject->name);
$associated = $subject->getAssociated();
foreach ($associated as $alias => $type) {
$className = $subject->{$alias}->name;
if (!isset($this->_fixtures[$className])) {
$this->_processModel($subject->{$alias});
}
if ($type === 'hasAndBelongsToMany') {
if (!empty($subject->hasAndBelongsToMany[$alias]['with'])) {
list(, $joinModel) = pluginSplit($subject->hasAndBelongsToMany[$alias]['with']);
} else {
$joinModel = Inflector::classify($subject->hasAndBelongsToMany[$alias]['joinTable']);
}
if (!isset($this->_fixtures[$joinModel])) {
$this->_processModel($subject->{$joinModel});
}
}
}
}
/**
* Process all the models attached to a controller
* and generate a fixture list.
*
* @param Controller $subject A controller to pull model names off of.
* @return void
*/
protected function _processController($subject) {
$subject->constructClasses();
$models = array(Inflector::classify($subject->name));
if (!empty($subject->uses)) {
$models = $subject->uses;
}
foreach ($models as $model) {
list(, $model) = pluginSplit($model);
$this->_processModel($subject->{$model});
}
}
/**
* Add class name to the fixture list.
* Sets the app. or plugin.plugin_name. prefix.
*
* @param string $name Name of the Model class that a fixture might be required for.
* @return void
*/
protected function _addFixture($name) {
if ($this->plugin) {
$prefix = 'plugin.' . Inflector::underscore($this->plugin) . '.';
} else {
$prefix = 'app.';
}
$fixture = $prefix . Inflector::underscore($name);
$this->_fixtures[$name] = $fixture;
}
/**
* Interact with the user to get additional fixtures they want to use.
*
* @return array Array of fixtures the user wants to add.
*/
public function getUserFixtures() {
$proceed = $this->in(__d('cake_console', 'Bake could not detect fixtures, would you like to add some?'), array('y', 'n'), 'n');
$fixtures = array();
if (strtolower($proceed) === 'y') {
$fixtureList = $this->in(__d('cake_console', "Please provide a comma separated list of the fixtures names you'd like to use.\nExample: 'app.comment, app.post, plugin.forums.post'"));
$fixtureListTrimmed = str_replace(' ', '', $fixtureList);
$fixtures = explode(',', $fixtureListTrimmed);
}
$this->_fixtures = array_merge($this->_fixtures, $fixtures);
return $fixtures;
}
/**
* Is a mock class required for this type of test?
* Controllers require a mock class.
*
* @param string $type The type of object tests are being generated for eg. controller.
* @return boolean
*/
public function hasMockClass($type) {
$type = strtolower($type);
return $type === 'controller';
}
/**
* Generate a constructor code snippet for the type and class name
*
* @param string $type The Type of object you are generating tests for eg. controller
* @param string $fullClassName The Classname of the class the test is being generated for.
* @param string $plugin The plugin name.
* @return array Constructor snippets for the thing you are building.
*/
public function generateConstructor($type, $fullClassName, $plugin) {
$type = strtolower($type);
$pre = $construct = $post = '';
if ($type === 'model') {
$construct = "ClassRegistry::init('{$plugin}$fullClassName');\n";
}
if ($type === 'behavior') {
$construct = "new $fullClassName();\n";
}
if ($type === 'helper') {
$pre = "\$View = new View();\n";
$construct = "new {$fullClassName}(\$View);\n";
}
if ($type === 'component') {
$pre = "\$Collection = new ComponentCollection();\n";
$construct = "new {$fullClassName}(\$Collection);\n";
}
return array($pre, $construct, $post);
}
/**
* Generate the uses() calls for a type & class name
*
* @param string $type The Type of object you are generating tests for eg. controller
* @param string $realType The package name for the class.
* @param string $className The Classname of the class the test is being generated for.
* @return array An array containing used classes
*/
public function generateUses($type, $realType, $className) {
$uses = array();
$type = strtolower($type);
if ($type === 'component') {
$uses[] = array('ComponentCollection', 'Controller');
$uses[] = array('Component', 'Controller');
}
if ($type === 'helper') {
$uses[] = array('View', 'View');
$uses[] = array('Helper', 'View');
}
$uses[] = array($className, $realType);
return $uses;
}
/**
* Make the filename for the test case. resolve the suffixes for controllers
* and get the plugin path if needed.
*
* @param string $type The Type of object you are generating tests for eg. controller
* @param string $className the Classname of the class the test is being generated for.
* @return string filename the test should be created on.
*/
public function testCaseFileName($type, $className) {
$path = $this->getPath() . 'Case' . DS;
$type = Inflector::camelize($type);
if (isset($this->classTypes[$type])) {
$path .= $this->classTypes[$type] . DS;
}
$className = $this->getRealClassName($type, $className);
return str_replace('/', DS, $path) . Inflector::camelize($className) . 'Test.php';
}
/**
* get the option parser.
*
* @return void
*/
public function getOptionParser() {
$parser = parent::getOptionParser();
return $parser->description(__d('cake_console', 'Bake test case skeletons for classes.'))
->addArgument('type', array(
'help' => __d('cake_console', 'Type of class to bake, can be any of the following: controller, model, helper, component or behavior.'),
'choices' => array(
'Controller', 'controller',
'Model', 'model',
'Helper', 'helper',
'Component', 'component',
'Behavior', 'behavior'
)
))->addArgument('name', array(
'help' => __d('cake_console', 'An existing class to bake tests for.')
))->addOption('theme', array(
'short' => 't',
'help' => __d('cake_console', 'Theme to use when baking code.')
))->addOption('plugin', array(
'short' => 'p',
'help' => __d('cake_console', 'CamelCased name of the plugin to bake tests for.')
))->addOption('force', array(
'short' => 'f',
'help' => __d('cake_console', 'Force overwriting existing files without prompting.')
))->epilog(__d('cake_console', 'Omitting all arguments and options will enter into an interactive mode.'));
}
}