add pre-migration hook when setting up databases in parallel tests

Author: philipheimboeck

src/Illuminate/Support/Facades/ParallelTesting.php

@@ -7,11 +7,13 @@
  * @method static void resolveTokenUsing(\Closure|null $resolver)
  * @method static void setUpProcess(callable $callback)
  * @method static void setUpTestCase(callable $callback)
+ * @method static void setUpTestDatabasePreMigration(callable $callback)
  * @method static void setUpTestDatabase(callable $callback)
  * @method static void tearDownProcess(callable $callback)
  * @method static void tearDownTestCase(callable $callback)
  * @method static void callSetUpProcessCallbacks()
  * @method static void callSetUpTestCaseCallbacks(\Illuminate\Foundation\Testing\TestCase $testCase)
+ * @method static void callSetUpTestDatabasePreMigrationCallbacks(string $database)
  * @method static void callSetUpTestDatabaseCallbacks(string $database)
  * @method static void callTearDownProcessCallbacks()
  * @method static void callTearDownTestCaseCallbacks(\Illuminate\Foundation\Testing\TestCase $testCase)

src/Illuminate/Testing/Concerns/TestDatabases.php

@@ -59,6 +59,10 @@ protected function bootTestDatabase()
 
                     $this->switchToDatabase($testDatabase);
 
+                    if ($created) {
+                        ParallelTesting::callSetUpTestDatabasePreMigrationCallbacks($testDatabase);
+                    }
+
                     if (isset($uses[Testing\DatabaseTransactions::class])) {
                         $this->ensureSchemaIsUpToDate();
                     }

src/Illuminate/Testing/ParallelTesting.php

@@ -42,6 +42,13 @@ class ParallelTesting
      */
     protected $setUpTestCaseCallbacks = [];
 
+    /**
+     * All of the registered "setUp" test database callbacks prior the migrations
+     *
+     * @var array
+     */
+    protected $setUpTestDatabasePreMigrationCallbacks = [];
+
     /**
      * All of the registered "setUp" test database callbacks.
      *
@@ -117,6 +124,17 @@ public function setUpTestCase($callback)
         $this->setUpTestCaseCallbacks[] = $callback;
     }
 
+    /**
+     * Register a "setUp" test database prior the migration callback.
+     *
+     * @param  callable  $callback
+     * @return void
+     */
+    public function setUpTestDatabasePreMigration($callback)
+    {
+        $this->setUpTestDatabasePreMigrationCallbacks[] = $callback;
+    }
+
     /**
      * Register a "setUp" test database callback.
      *
@@ -184,6 +202,24 @@ public function callSetUpTestCaseCallbacks($testCase)
         });
     }
 
+    /**
+     * Call all of the "setUp" test database callbacks.
+     *
+     * @param  string  $database
+     * @return void
+     */
+    public function callSetUpTestDatabasePreMigrationCallbacks($database)
+    {
+        $this->whenRunningInParallel(function () use ($database) {
+            foreach ($this->setUpTestDatabasePreMigrationCallbacks as $callback) {
+                $this->container->call($callback, [
+                    'database' => $database,
+                    'token' => $this->token(),
+                ]);
+            }
+        });
+    }
+
     /**
      * Call all of the "setUp" test database callbacks.
      *

tests/Testing/ParallelTestingTest.php

@@ -91,6 +91,7 @@ public static function callbacks()
             ['setUpProcess'],
             ['setUpTestCase'],
             ['setUpTestDatabase'],
+            ['setUpTestDatabasePreMigration'],
             ['tearDownTestCase'],
             ['tearDownProcess'],
         ];