[CMS-845] Don't recommend Native PHP Sessions if it's already installed

features/general.feature

@@ -45,6 +45,13 @@ Feature: General tests of WP Launch Check
   Scenario: WordPress is up to date
     Given a WP install
 
+    When I run `wp core version`
+    # This check is here to remind us to update versions when new releases are available.
+    Then STDOUT should contain:
+      """
+      6.0
+      """
+
     When I run `wp launchcheck general`
     Then STDOUT should contain:
       """
@@ -64,7 +71,7 @@ Feature: General tests of WP Launch Check
 
   Scenario: WordPress has a new major version but no new minor version
     Given a WP install
-    And I run `wp core download --version=5.8.4 --force`
+    And I run `wp core download --version=5.8.5 --force`
     And I run `wp theme activate twentytwentytwo`
 
     When I run `wp launchcheck general`

features/sessions.feature

@@ -0,0 +1,31 @@
+Feature: Test for the existence of the PHP Native Sessions plugin
+
+  Scenario: A WordPress install without the native sessions plugin
+    Given a WP install
+
+    When I run `wp launchcheck sessions`
+    Then STDOUT should contain:
+      """
+      Recommendation: You should install the Native PHP Sessions plugin - https://wordpress.org/plugins/wp-native-php-sessions/
+      """
+
+  Scenario: A WordPress install with the native sessions plugin installed but not active
+    Given a WP install
+	And I run `wp plugin install wp-native-php-sessions`
+
+	When I run `wp launchcheck sessions`
+	Then STDOUT should contain:
+	  """
+	  Recommendation: You should install the Native PHP Sessions plugin - https://wordpress.org/plugins/wp-native-php-sessions/
+	  """
+
+  Scenario: A WordPress install with the native sessions plugin installed and active
+	Given a WP install
+	And I run `wp plugin install wp-native-php-sessions`
+	And I run `wp plugin activate wp-native-php-sessions`
+
+	When I run `wp launchcheck sessions`
+	Then STDOUT should contain:
+	  """
+	  Recommendation: No action required
+	  """

php/pantheon/checks/general.php

@@ -37,7 +37,7 @@ public function checkCaching() {
 				'class' => 'warning',
 				'message' => 'W3 Total Cache plugin found. This plugin is not needed on Pantheon and should be removed.',
 			);
-		} else {  
+		} else {
 			$this->alerts[] = array(
 				'code' => 0,
 				'class' => 'ok',
@@ -50,7 +50,7 @@ public function checkCaching() {
 				'class' => 'warning',
 				'message' => 'WP Super Cache plugin found. This plugin is not needed on Pantheon and should be removed.',
 			);
-		} else { 
+		} else {
 			$this->alerts[] = array(
 				'code' => 0,
 				'class' => 'ok',
@@ -64,13 +64,13 @@ public function checkURLS() {
 		$siteurl = \get_option('siteurl');
 		$home = \get_option('home');
 		if ( $siteurl !== $home ) {
-			$this->alerts[] = array( 
+			$this->alerts[] = array(
 				'code'  =>  2,
 				'class' => 'error',
 				'message' => "Site url and home settings do not match. ( 'siteurl'=$siteurl and 'home'=>$home )",
 			);
 		} else {
-			$this->alerts[] = array( 
+			$this->alerts[] = array(
 				'code'  =>  0,
 				'class' => 'ok',
 				'message' => "Site and home url settings match. ( $siteurl )",
@@ -82,19 +82,19 @@ public function checkPluginCount() {
 		$active = get_option('active_plugins');
 		$plugins = count($active);
 		if ( 100 <= $plugins ) {
-			$this->alerts[] = array(  
+			$this->alerts[] = array(
 				'code' => 1,
 				'class' => 'warning',
 				'message' =>  sprintf('%d active plugins found. You are running more than 100 plugins. The more plugins you run the worse your performance will be. You should uninstall any plugin that is not necessary.', $plugins),
 			);
-		} else { 
+		} else {
 			$this->alerts[] = array(
 				'code'  => 0,
 				'class' => 'ok',
 				'message' => sprintf('%d active plugins found.',$plugins),
 			);
 		}
-	} 
+	}
 
 	public function checkDebug() {
 
@@ -113,7 +113,7 @@ public function checkDebug() {
 				);
 			}
 		} else {
-			$this->alerts[]  = array( 
+			$this->alerts[]  = array(
 				'code'  => 0,
 				'class' => 'ok',
 				'message' => 'WP_DEBUG not found or is set to false.',
@@ -132,7 +132,7 @@ public function checkDebug() {
 					 'message' => 'Looks like you are running the debug bar plugin. You should disable this plugin in the live environment'
 				);
 			}
-		}   
+		}
 
 	}
 
@@ -178,7 +178,7 @@ public function message(Messenger $messenger) {
 				$avg = $total/count($this->alerts);
 				$this->result = View::make('checklist', array('rows'=> $rows) );
 				$this->score = $avg;
-				$this->action = "You should use object caching";
+				$this->action = $this->action ?? "You should use object caching";
 		}
 		$messenger->addMessage(get_object_vars($this));
 	}
@@ -198,17 +198,21 @@ public function checkCoreUpdates() {
 		}
 
 		if ( $has_minor ) {
+			$action = "Updating to WordPress' newest minor version is strongly recommended.";
 			$this->alerts[] = array(
 				'code'  =>  2,
 				'class' => 'error',
-				'message' => "Updating to WordPress' newest minor version is strongly recommended.",
+				'message' => $action,
 			);
+			$this->action = $action;
 		} else if ( $has_major ) {
+			$action = 'A new major version of WordPress is available for update.';
 			$this->alerts[] = array(
 				'code'    => 1,
 				'class'   => 'warning',
-				'message' => 'A new major version of WordPress is available for update.'
+				'message' => $action,
 			);
+			$this->action = $action;
 		} else {
 			$this->alerts[]  = array(
 				'code'  => 0,

php/pantheon/checks/sessions.php

@@ -10,12 +10,15 @@ class Sessions extends Checkimplementation {
 	public $name = 'sessions';
 
 	public function init() {
-		$this->action = 'You should install the Native PHP Sessions plugin - https://wordpress.org/plugins/wp-native-php-sessions/';
-		$this->description = 'Sessions only work with sessions plugin is enabled';
+		$this->description = 'Sessions only work when sessions plugin is enabled';
 		$this->score = 0;
 		$this->result = '';
 		$this->label = 'PHP Sessions';
 		$this->has_plugin = class_exists("Pantheon_Sessions");
+		// If the plugin was not found, define the recommended action.
+		// Otherwise, we don't want to recommend anything, we're all good here.
+		$this->action = ! $this->has_plugin ? 'You should install the Native PHP Sessions plugin - https://wordpress.org/plugins/wp-native-php-sessions/' : 'No action required';
+
 		return $this;
 	}
 
@@ -32,7 +35,7 @@ public function run($file) {
 			foreach ($matches as $match) {
 				$this->alerts[] = array( 'class' => 'error','data'=>array($file->getRelativePathname(),$match[1] + 1, substr($match[0],0,50)));
 			}
-		} 
+		}
 		return $this;
 	}
 

php/pantheon/messenger.php

@@ -55,14 +55,17 @@ public static function emit($format='raw') {
 						$color = "%R";
 					}
 
+					$recommendation = isset( $message['action'] ) ? sprintf( "Recommendation: %s", $message['action'] ) : '';
+
 					// @todo might be a better way to do this
-					echo \cli\Colors::colorize( sprintf(str_repeat('-',80).PHP_EOL."%s: (%s) \n%s\nResult:%s %s\nRecommendation: %s\n\n".PHP_EOL,
+					echo \cli\Colors::colorize( sprintf(str_repeat('-',80).PHP_EOL."%s: (%s) \n%s\nResult:%s %s\n%s\n\n".PHP_EOL,
 						strtoupper($message['label']),
 						$message['description'],
 						str_repeat('-',80),
 						$color,
 						$message['result'].'%n', // ugly
-						$message['action'])
+						// Check for a recommended action before printing something.
+						$recommendation )
 					);
 				}
 				break;