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‎docs/03-AcceptanceTests.md‎

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## Selenium WebDriver
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A nice feature of Codeception is that most scenarios can be easily ported between the testing backends.
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The PhpBrowser tests we wrote previously can be executed inside a real browser (or PhantomJS) with Selenium WebDriver.
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A nice feature of Codeception is that most scenarios are similar no matter of how they are executed.
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PhpBrowser was emulating browser requests but how to execute such test in a real browser like Chrome or Firefox?
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Selenium WebDriver can drive them so in our acceptance tests we can automate scenarios we used to test manually.
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Such tests we should concentrate more on **testing the UI** than on testing functionality.
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The only thing we need to change is to reconfigure and rebuild the AcceptanceTester class,
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and to use **WebDriver** instead of PhpBrowser.
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To execute test in a browser we need to change suite configuration to use **WebDriver** instead of PhpBrowser.
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Modify your `acceptance.suite.yml` file:
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enabled:
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- WebDriver:
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url: {{your site URL}}
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browser: firefox
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browser: chrome
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- \Helper\Acceptance
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{% endhighlight %}
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In order to run Selenium tests you need to [download Selenium Server](http://seleniumhq.org/download/)
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and get it running. Alternatively you may use [PhantomJS](http://phantomjs.org/) headless browser in `ghostdriver` mode.
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In order to run browser tests you will need Selenium Server or PhantomJS.
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WebDriver module contains a manual on [how to start them](http://codeception.com/docs/modules/WebDriver#Local-Testing).
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If you run your acceptance tests with Selenium, Firefox will be started
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and all the actions will be performed step by step using the browser engine.
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In this case `seeElement` won't just check that the element exists on a page,
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Please note that actions executed in a browser will behave differently. For instance, `seeElement` won't just check that the element exists on a page,
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but it will also check that element is actually visible to the user:
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{% highlight php %}
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{% endhighlight %}
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While WebDriver duplicate the functionality of PhpBrowser it has its limitations: it can't check headers, perform HTTP requests, as browsers don't provide APIs for that.
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WebDriver also adds browser-specific functionality which will be listed in next sections.
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#### Wait
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While testing web application, you may need to wait for JavaScript events to occur. Due to its asynchronous nature,
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The AngularJS module extends WebDriver so that all the configuration options from it are available.
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### Cleaning Things Up
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While testing, your actions may change the data on the site. Tests will fail if trying to create
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or update the same data twice. To avoid this problem, your database should be repopulated for each test.
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Codeception provides a `Db` module for that purpose. It will load a database dump after each passed test.
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To make repopulation work, create an SQL dump of your database and put it into the `tests/_data` directory.
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Set the database connection and path to the dump in the global Codeception config.
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{% highlight yaml %}
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# in codeception.yml:
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modules:
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config:
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Db:
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dsn: '[set PDO DSN here]'
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user: '[set user]'
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password: '[set password]'
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dump: tests/_data/dump.sql
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{% endhighlight %}
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After we have configured the Db module, we should have it enabled in the `acceptance.suite.yml` configuration file.
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### Debugging
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Codeception modules can print valuable information while running.

‎docs/07-AdvancedUsage.md‎

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{% endhighlight %}
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You can also use the `@dataprovider` annotation for creating dynamic examples, using a protected method for providing example data:
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You can also use the `@dataProvider` annotation for creating dynamic examples, using a protected method for providing example data:
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{% highlight php %}
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<?php
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/**
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* @dataprovider pageProvider
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* @dataProvider pageProvider
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*/
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public function staticPages(AcceptanceTester $I, \Codeception\Example $example)
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{
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{% endhighlight %}
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Alternatively, the `@dataprovider` can also be a public method starting with `_` prefix so it will not be considered as a test:
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Alternatively, the `@dataProvider` can also be a public method starting with `_` prefix so it will not be considered as a test:
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{% highlight php %}
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<?php
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* @dataprovider _pageProvider
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* @dataProvider _pageProvider
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*/
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public function staticPages(AcceptanceTester $I, \Codeception\Example $example)
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{

‎docs/07-BDD.md‎

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# Behavior Driven Development
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Behavior Driven Development is a popular methodology of software development. It is considered to be an extension to TDD, and is much inspired by [Agile](http://agilemanifesto.org/) practices. The main reason for choosing BDD for development process is breaking communication barer between business and technical teams. BDD encourages usage of automated testing to make all documented features of a project to be tested from the very beginning. This is why it is common to talk about BDD in the context of a test frameworks (like Codeception). However, BDD is much beyond the testing at all, and is more about managing the development process.
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Behavior Driven Development (BDD) is a popular software development methodology. BDD is considered an extension of TDD, and is greatly inspired by [Agile](http://agilemanifesto.org/) practices. The primary reason to choose BDD as your development process is to break down communication barriers between business and technical teams. BDD encourages the use of automated testing to verify all documented features of a project from the very beginning. This is why it is common to talk about BDD in the context of test frameworks (like Codeception). The BDD approach, however, is about much more than testing - it is a common language for all team members to use during the development process.
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## What is Behavior Driven Development
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‎docs/modules/Asserts.md‎

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#### assertEquals
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Checks that two variables are equal.
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Checks that two variables are equal. If you're comparing floating-point values,
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you can specify the optional "delta" parameter which dictates how great of a precision
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error are you willing to tolerate in order to consider the two values equal.
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Regular example:
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{% highlight php %}
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<?php
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$I->assertEquals($element->getChildrenCount(), 5);
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{% endhighlight %}
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Floating-point example:
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{% highlight php %}
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<?php
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$I->assertEquals($calculator->add(0.1, 0.2), 0.3, 'Calculator should add the two numbers correctly.', 0.01);
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{% endhighlight %}
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* `param` $expected
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* `param float` $delta
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#### assertFalse
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Checks that two variables are not equal
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Checks that two variables are not equal. If you're comparing floating-point values,
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you can specify the optional "delta" parameter which dictates how great of a precision
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error are you willing to tolerate in order to consider the two values not equal.
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Regular example:
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{% highlight php %}
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<?php
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$I->assertNotEquals($element->getChildrenCount(), 0);
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{% endhighlight %}
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Floating-point example:
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{% highlight php %}
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$I->assertNotEquals($calculator->add(0.1, 0.2), 0.4, 'Calculator should add the two numbers correctly.', 0.01);
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{% endhighlight %}
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‎docs/modules/Lumen.md‎

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#### clearApplicationHandlers
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Clear the registered application handlers.
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?>
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#### haveApplicationHandler
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Register a handler than can be used to modify the Laravel application object after it is initialized.
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The Laravel application object will be passed as an argument to the handler.
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{% highlight php %}
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$app->make('config')->set(['test_value' => '10']);
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});
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?>
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{% endhighlight %}
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* `param` $handler
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#### haveBinding
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Add a binding to the Laravel service container.
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(https://laravel.com/docs/master/container)
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{% highlight php %}
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$I->haveBinding('My\Interface', 'My\Implementation');
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?>
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* `param` $abstract
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Add a contextual binding to the Laravel service container.
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(https://laravel.com/docs/master/container)
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$I->haveContextualBinding('My\Class', '$variable', 'value');
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->needs('$variable')
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->give('value');
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?>
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#### haveInstance
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Add an instance binding to the Laravel service container.
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(https://laravel.com/docs/master/container)
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?>
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‎docs/modules/Silex.md‎

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‎docs/modules/WebDriver.md‎

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To run Selenium Server you will need Java and Chrome or Firefox browser installed.
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2. For Chrome browser install [ChromeDriver](https://sites.google.com/a/chromium.org/chromedriver/getting-started), for Firefox browser install [GeckoDriver](https://github.com/mozilla/geckodriver).
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3. Launch the server: `java -jar selenium-server-standalone-3.xx.xxx.jar`. To locate Chromedriver binary use `-Dwebdriver.chrome.driver=./chromedriver` option. For Geckodriver use `-Dwebdriver.gecko.driver=`.
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##### Headless Selenium in Docker
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Docker can ship Selenium Server with all its dependencies and browsers inside a single container.
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Running tests inside Docker is as easy as pulling [official selenium image](https://github.com/SeleniumHQ/docker-selenium) and starting a container with Chrome:
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* `capabilities` - Sets Selenium [desired capabilities](https://github.com/SeleniumHQ/selenium/wiki/DesiredCapabilities). Should be a key-value array.
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#### Status
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Based on [facebook php-webdriver](https://github.com/facebook/php-webdriver)
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### Usage
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#### Locating Elements

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