A brief introduction to using Behat with PHP for Behaviour Driven Development

1. BDD with Behat
Rob Ingram

2. Image credit: J Williams

3. Outline
Narrative
Background
Scenarios

4. Outline
In order to <achieve a business goal>
As a <stakeholder>
I want <something>

5. Outline
Feature: store locator
In order to shop at the closest store
As a customer
I want to search for stores in my city

6. Alternative format
Feature: store locator
As a customer
I want to search for stores in my city
So that I can shop at the closest store

7. Scenario
Given <a context>
When <something happens>
Then <I expect some outcomes>

8. Scenario
Scenario: search by city name
Given I am on the homepage
When I fill in "location" with "Christchurch"
And I press "Locate"
Then I should be on the “Store Locator” page
And I should see “Kathmandu Christchurch CBD Re:START”
And I should see “0.2km”

9. Scenario
Scenario: search by city name
Given I am on the homepage
When I fill in "location" with "Christchurch"
And I press “Locate"
Then I should be on the “Store Locator” page
And I should see the following store results:
| name | distance |
| Kathmandu Christchurch CBD Re:START | 0.2km |
| Kathmandu Tower Junction | 2.5km |

10. Background
Background:
Given I am logged in

11. Image credit: PittCaleb

13. PHPSpec
<?php
namespace spec;
use PhpSpecObjectBehavior;
class MarkdownSpec extends ObjectBehavior
{
function it_converts_plain_text_to_html_paragraphs()
{
$this->toHtml("Hi, there")->shouldReturn("<p>Hi,
there</p>");
}
}

14. Live coding
Kinda

16. Image credit: @joefoodie

17. Links
Behat: http://docs.behat.org/en/v3.0/
Behat Silverstripe: https://github.com/silverstripe-
labs/silverstripe-behat-extension
PHPSpec: http://www.phpspec.net/en/stable/