Improving validation.

src/Robo/Commands/Tests/BehatCommand.php

@@ -79,7 +79,7 @@ public function initialize() {
    * @interactConfigureBehat
    * @validateMySqlAvailable
    * @validateDrupalIsInstalled
-   * @validateHashSaltIsPresent
+   * @validateSettingsFilesPresent
    * @validateBehatIsConfigured
    * @validateInsideVm
    * @launchWebServer
@@ -168,6 +168,7 @@ protected function launchSelenium() {
       ->get('executor')
       ->execute($this->getConfigValue('composer.bin') . "/selenium-server-standalone -port {$this->seleniumPort} -log {$this->seleniumLogFile}  > /dev/null 2>&1")
       ->background(TRUE)
+      // @todo Print output when this command fails.
       ->printOutput(TRUE)
       ->dir($this->getConfigValue('repo.root'))
       ->run();

src/Robo/Common/Executor.php

@@ -3,6 +3,7 @@
 namespace Acquia\Blt\Robo\Common;
 
 use Acquia\Blt\Robo\Config\ConfigAwareTrait;
+use Acquia\Blt\Robo\Exceptions\BltException;
 use GuzzleHttp\Client;
 use Psr\Log\LoggerAwareInterface;
 use Psr\Log\LoggerAwareTrait;
@@ -189,7 +190,7 @@ public function wait(callable $callable, array $args, $message = '') {
       usleep($checkEvery * 1000);
     }
 
-    throw new BltException("Timed out");
+    throw new BltException("Timed out.");
   }
 
   /**

src/Robo/Hooks/ValidateHook.php

@@ -74,9 +74,7 @@ public function validateDrupalIsInstalled(CommandData $commandData) {
    * @hook validate @validateSettingsFileIsValid
    */
   public function validateSettingsFileIsValid(CommandData $commandData) {
-    if (!$this->getInspector()
-      ->isDrupalSettingsFilePresent()
-    ) {
+    if (!$this->getInspector()->isDrupalSettingsFilePresent()) {
       throw new BltException("Could not find settings.php for this site.");
     }
 
@@ -107,16 +105,20 @@ public function validateMySqlAvailable() {
       throw new BltException("MySql is not available. Please run `blt doctor` to diagnose the issue.");
     }
   }
+
   /**
-   * Validates that salt.txt exists.
+   * Validates that required settings files exist.
    *
-   * @hook validate @validateHashSaltIsPresent
+   * @hook validate @validateSettingsFilesPresent
    */
-  public function validateHashSaltIsPresent() {
+  public function validateSettingsFilesPresent() {
     if (!$this->getInspector()->isHashSaltPresent()) {
-      // @todo Prompt to fix.
       throw new BltException("salt.txt is not present. Please run `blt setup:settings` to generate it.");
     }
+    if (!$this->getInspector()->isDrupalLocalSettingsFilePresent()) {
+      throw new BltException("Could not find settings.php for this site.");
+    }
+    // @todo Look for local.drushrc.php.
   }
 
   /**

src/Robo/Inspector/Inspector.php

@@ -148,6 +148,7 @@ public function isDrupalSettingsFilePresent() {
   public function isHashSaltPresent() {
     return file_exists($this->getConfigValue('repo.root') . '/salt.txt');
   }
+
   /**
    * Determines if Drupal local.settings.php file exists.
    *