.gitlab-ci.yml

@@ -2,6 +2,7 @@ variables:
   # Configure mysql service (https://hub.docker.com/_/mysql/)
   MYSQL_DATABASE: wordpress_tests
   MYSQL_ROOT_PASSWORD: mysql
+  PECL_REDIS_VERSION: 'redis'
   WP_VERSION: latest
 
 cache:
@@ -13,6 +14,10 @@ before_script:
   # Set up WordPress tests
   - bash bin/install-wp-tests.sh $MYSQL_DATABASE root $MYSQL_ROOT_PASSWORD mysql $WP_VERSION true
 
+  # Install PECL extension we rely on
+  - pecl config-set php_ini /tmp/php.ini
+  - yes '' | pecl install -f $PECL_REDIS_VERSION
+
   # PHPUnit
   - |
     if [[ $(php -v) =~ "PHP 7." ]]; then
@@ -25,18 +30,23 @@ PHPunit:PHP5.3:MySQL:
   stage: test
   variables:
     WP_VERSION: '5.1'
+    PECL_REDIS_VERSION: 'redis-2.2.8'
   image: containers.ethitter.com:443/docker/images/php:5.3
   services:
     - mysql:5.6
+    - redis:latest
   script:
     - find . -type "f" -iname "*.php" | xargs -L "1" php -l
     - phpunit
 
 PHPunit:PHP5.6:MySQL:
   stage: test
+  variables:
+    PECL_REDIS_VERSION: 'redis-2.2.8'
   image: containers.ethitter.com:443/docker/images/php:5.6
   services:
     - mysql:5.6
+    - redis:latest
   script:
     - find . -type "f" -iname "*.php" | xargs -L "1" php -l
     - phpunit
@@ -46,6 +56,7 @@ PHPunit:PHP7.0:MySQL:
   image: containers.ethitter.com:443/docker/images/php:7.0
   services:
     - mysql:5.6
+    - redis:latest
   script:
     - find . -type "f" -iname "*.php" | xargs -L "1" php -l
     - phpunit
@@ -55,6 +66,7 @@ PHPunit:PHP7.1:MySQL:
   image: containers.ethitter.com:443/docker/images/php:7.1
   services:
     - mysql:5.6
+    - redis:latest
   script:
     - find . -type "f" -iname "*.php" | xargs -L "1" php -l
     - phpunit
@@ -64,6 +76,7 @@ PHPunit:PHP7.2:MySQL:
   image: containers.ethitter.com:443/docker/images/php:7.2
   services:
     - mysql:5.6
+    - redis:latest
   script:
     - find . -type "f" -iname "*.php" | xargs -L "1" php -l
     - phpunit
@@ -73,6 +86,7 @@ PHPunit:PHP7.3:MySQL:
   image: containers.ethitter.com:443/docker/images/php:7.3
   services:
     - mysql:5.6
+    - redis:latest
   script:
     - find . -type "f" -iname "*.php" | xargs -L "1" php -l
     - phpunit

README.md

@@ -16,7 +16,7 @@ Store WordPress user session tokens in Redis rather than the usermeta table.
 
 ## Installation ##
 
-1. Install and configure Redis. There is a good tutorial [here](http://www.saltwebsites.com/2012/install-redis-245-service-centos-6).
+1. Install and configure Redis. There is a good tutorial [here](https://serverpilot.io/docs/how-to-install-the-php-redis-extension).
 2. Install the [Redis PECL module](http://pecl.php.net/package/redis).
 3. Activate the plugin network-wide or by placing it in `mu-plugins`.
 4. By default, the script will connect to Redis at 127.0.0.1:6379. See the *Connecting to Redis* section for further options.

inc/class-wp-redis-user-session-storage.php

@@ -269,6 +269,15 @@ class WP_Redis_User_Session_Storage extends WP_Session_Tokens {
 	protected function get_key() {
 		return $this->prefix . ':' . $this->user_id;
 	}
+
+	/**
+	 * Is Redis connected?
+	 *
+	 * @return bool
+	 */
+	public function redis_connected() {
+		return $this->redis_connected;
+	}
 }
 
 /**

tests/test-plugin.php

+<?php
+/**
+ * Plugin tests
+ *
+ * @package WP_Redis_User_Session_Storage
+ */
+
+/**
+ * Class Test_Plugin.
+ */
+class Test_Plugin extends WP_UnitTestCase {
+	/**
+	 * Check that Redis backend is available.
+	 */
+	public function test_connection() {
+		$this->assertTrue(
+			WP_Session_Tokens::get_instance( 0 )->redis_connected(),
+			'Failed to assert that Redis is available.'
+		);
+	}
+}

tests/test-sample.php

-<?php
-/**
- * Class SampleTest
- *
- * @package WP_Redis_User_Session_Storage
- */
-
-/**
- * Sample test case.
- */
-class SampleTest extends WP_UnitTestCase {
-
-	/**
-	 * A single example test.
-	 */
-	public function test_sample() {
-		// Replace this with some actual testing code.
-		$this->assertTrue( true );
-	}
-}