New tutorial for adding CircleCI support

README.md

@@ -115,6 +115,7 @@ For example, if you want to start a Chrome Browser you can following the instruc
 
  * [Tutorial: Testing Form Submissions](docs/tutorial.md)
  * [Tutorial: Webservice Mocking with Phockito and TestSession](docs/webservice-mocking.md)
+ * [Tutorial: Setting up Behat on CircleCI](docs/circleci-tutorial.md)
 
 ## Configuration
 

docs/circleci-tutorial.md

@@ -0,0 +1,123 @@
+#Setting up CircleCI and Behat
+If you'd like to run SilverStripe Behat tests on CircleCI, this can be achieved (along with screenshot artifacts on 
+error) reasonably easily.
+ 
+The below extract is a full `circle.yml` configuration file that gets the environment setup and running for Behat tests. 
+Please review it thoroughly as there are a few things you'll need to change for your individual project. Notably:
+
+ * If you already have a behat.yml, you should ensure your local requirements are reflected as the following script will
+ overwrite the behat.yml file in order to ensure screenshot failures are stored in a CircleCI-appropriate directory, 
+ even if you don't store screenshots locally.
+ * There is one variable required below (`REPO-NAME`) that you need to fill out yourself depending on the name of your 
+ repository (CircleCI will check out your code into a sub-directory of the user's homedir based on the repository name).
+ * This assumes your Behat fixtures are located under the mysite/ directory. If not, check the `test.override` section 
+ below.
+
+```
+machine:
+  php:
+    version: 5.6.14
+dependencies:
+  cache_directories:
+    - vendor
+    - ~/.composer/cache
+
+  pre:
+    # Enable xdebug - this is for code coverage and may not be necessary for you. Remove if you don't need it, it can 
+    # drastically slow down tests
+    - sed -i 's/^;//' ~/.phpenv/versions/$(phpenv global)/etc/conf.d/xdebug.ini
+    
+    # We found that some machines have outdated composer versions, so we self-update before running install just in case 
+    - sudo composer self-update
+    - composer install --prefer-source --no-interaction
+    
+    # Behat and SilverStripe often require a reasonably large amount of memory, tune to your specific needs
+    - echo "memory_limit = 512M" > ~/.phpenv/versions/$(phpenv global)/etc/conf.d/memory.ini
+    
+    # Setup the _ss_environment.php file per https://docs.silverstripe.org/en/3.4/getting_started/environment_management
+    - |
+      cat << 'EOF' > _ss_environment.php
+      <?php
+      define('SS_DATABASE_SERVER', '127.0.0.1');
+      define('SS_DATABASE_CLASS', 'MySQLPDODatabase');
+      define('SS_DATABASE_USERNAME', 'ubuntu');
+      define('SS_DATABASE_PASSWORD', '');
+      define('SS_ENVIRONMENT_TYPE', 'dev');
+      
+      global $_FILE_TO_URL_MAPPING;
+      $_FILE_TO_URL_MAPPING['/home/ubuntu/REPO-NAME'] = 'http://localhost:8080/';
+      EOF
+
+    # Create Apache vhost config
+    - |
+      cat << 'EOF' > /etc/apache2/sites-available/website.conf
+      Listen 8080
+      <VirtualHost *:8080>
+        DocumentRoot /home/ubuntu/REPO-NAME
+        ServerName localhost
+        <FilesMatch \.php$>
+          SetHandler application/x-httpd-php
+        </FilesMatch>
+        <Directory /home/ubuntu/REPO-NAME>
+          AllowOverride All
+        </Directory>
+      </VirtualHost>
+      EOF
+
+    # Restart Apache to pickup new config
+    - a2ensite website.conf
+    - a2enmod rewrite
+    - sudo service apache2 restart
+
+    # Get Selenium setup - we currently do this everytime but ideally we could store in the cache_directories and only 
+    # grab if it doesn't exist to save time - an exercise left to the reader!
+    - wget http://selenium-release.storage.googleapis.com/2.52/selenium-server-standalone-2.52.0.jar
+    - 'java -jar selenium-server-standalone-2.52.0.jar > /dev/null 2>&1':
+        background: true
+
+    # Clear and/or create artifacts directory
+    - mkdir $CIRCLE_ARTIFACTS/_behat_results
+
+    # Create silverstipe-cache directory and add group perms
+    - if [ -d silverstripe-cache ]; then rm -rf silverstripe-cache; fi
+    - mkdir silverstripe-cache
+    - chmod 775 silverstripe-cache
+
+    # Create assets directory and add group perms
+    - if [ ! -d assets ]; then mkdir assets && chmod 777 assets; fi
+    
+    # Setup behat.yml - you will need to merge your current behat.yml into this configuration
+    - |
+      cat > behat.yml <<EOF
+      default:
+        paths:
+          features: features
+          bootstrap: %behat.paths.features%/bootstrap
+        formatter:
+          name: pretty
+          parameters:
+            snippets: false
+        extensions:
+          SilverStripe\BehatExtension\Extension:
+            screenshot_path: $CIRCLE_ARTIFACTS/_behat_results/
+            ajax_timeout: 10000
+          SilverStripe\BehatExtension\MinkExtension:
+            base_url:  http://localhost:8080/
+            files_path: %%behat.paths.base%%/framework/tests/behat/features/files/
+            default_session: selenium2
+            javascript_session: selenium2
+            selenium2:
+              browser: firefox
+      EOF
+
+    # Create database via dev/build
+    - framework/sake dev/build flush=1
+
+test:
+  override:
+    # We override the CircleCI defaults to run both PHPUnit and Behat tests
+    - vendor/bin/phpunit
+    
+    # You may need to change the @mysite below to the name of your Behat test base
+    - vendor/bin/behat --verbose --out=null,$CIRCLE_ARTIFACTS/_behat_results/framework.html,$CIRCLE_ARTIFACTS/_behat_results --format=pretty,html,junit @mysite --tags="~@todo"
+```