Mini Shell

<?php
/**
 * 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         2.8
 * @license       http://www.opensource.org/licenses/mit-license.php MIT License
 */
App::uses("ProgressShellHelper", "Console/Helper");
App::uses("ConsoleOutputStub", "TestSuite/Stub");

/**
 * ProgressHelper test.
 * @property ConsoleOutputStub $consoleOutput
 * @property ProgressShellHelper $helper
 */
class ProgressShellHelperTest extends CakeTestCase {

/**
 * setUp method
 *
 * @return void
 */
	public function setUp() {
		parent::setUp();

		$this->consoleOutput = new ConsoleOutputStub();
		$this->helper = new ProgressShellHelper($this->consoleOutput);
	}

/**
 * Test that a callback is required.*
 *
 * @expectedException \RuntimeException
 * @return void
 */
	public function testOutputFailure() {
		$this->helper->output(array('not a callback'));
	}

/**
 * Test that the callback is invoked until 100 is reached.
 *
 * @return void
 */
	public function testOutputSuccess() {
		$this->helper->output(array(function ($progress) {
			$progress->increment(20);
		}));
		$expected = array(
			'',
			'==============>                                                              20%',
			'',
			'=============================>                                               40%',
			'',
			'============================================>                                60%',
			'',
			'===========================================================>                 80%',
			'',
			'==========================================================================> 100%',
			'',
		);
		$this->assertEquals($expected, $this->consoleOutput->messages());
	}

/**
 * Test output with options
 *
 * @return void
 */
	public function testOutputSuccessOptions() {
		$this->helper->output(array(
			'total' => 10,
			'width' => 20,
			'callback' => function ($progress) {
				$progress->increment(2);
			}
		));
		$expected = array(
			'',
			'==>              20%',
			'',
			'=====>           40%',
			'',
			'========>        60%',
			'',
			'===========>     80%',
			'',
			'==============> 100%',
			'',
		);
		$this->assertEquals($expected, $this->consoleOutput->messages());
	}

/**
 * Test using the helper manually.
 *
 * @return void
 */
	public function testIncrementAndRender() {
		$this->helper->init();
		$this->helper->increment(20);
		$this->helper->draw();
		$this->helper->increment(40);
		$this->helper->draw();
		$this->helper->increment(40);
		$this->helper->draw();
		$expected = array(
			'',
			'==============>                                                              20%',
			'',
			'============================================>                                60%',
			'',
			'==========================================================================> 100%',
		);
		$this->assertEquals($expected, $this->consoleOutput->messages());
	}

/**
 * Test negative numbers
 *
 * @return void
 */
	public function testIncrementWithNegatives() {
		$this->helper->init();
		$this->helper->increment(40);
		$this->helper->draw();
		$this->helper->increment(-60);
		$this->helper->draw();
		$this->helper->increment(80);
		$this->helper->draw();
		$expected = array(
			'',
			'=============================>                                               40%',
			'',
			'                                                                              0%',
			'',
			'===========================================================>                 80%',
		);
		$this->assertEquals($expected, $this->consoleOutput->messages());
	}

/**
 * Test increment and draw with options
 *
 * @return void
 */
	public function testIncrementWithOptions() {
		$this->helper->init(array(
			'total' => 10,
			'width' => 20,
		));
		$this->helper->increment(4);
		$this->helper->draw();
		$this->helper->increment(4);
		$this->helper->draw();
		$this->helper->increment(4);
		$this->helper->draw();

		$expected = array(
			'',
			'=====>           40%',
			'',
			'===========>     80%',
			'',
			'==============> 100%',
		);
		$this->assertEquals($expected, $this->consoleOutput->messages());
	}

/**
 * Test increment and draw with value that makes the pad
 * be a float
 *
 * @return void
 */
	public function testIncrementFloatPad() {
		$this->helper->init(array(
			'total' => 50
		));
		$this->helper->increment(7);
		$this->helper->draw();
		$this->helper->increment(7);
		$this->helper->draw();
		$this->helper->increment(7);
		$this->helper->draw();
		$this->helper->increment(7);
		$this->helper->draw();
		$this->helper->increment(7);
		$this->helper->draw();
		$this->helper->increment(3);
		$this->helper->draw();
		$this->helper->increment(4);
		$this->helper->draw();
		$this->helper->increment(8);
		$this->helper->draw();
		$expected = array(
			'',
			'=========>                                                                   14%',
			'',
			'====================>                                                        28%',
			'',
			'==============================>                                              42%',
			'',
			'=========================================>                                   56%',
			'',
			'===================================================>                         70%',
			'',
			'========================================================>                    76%',
			'',
			'==============================================================>              84%',
			'',
			'==========================================================================> 100%',
		);
		$this->assertEquals($expected, $this->consoleOutput->messages());
	}
}