fix(database): hydrate deferred writes before staging values

Author: michalsn

src/Handlers/DatabaseHandler.php

@@ -81,6 +81,7 @@ public function get(string $class, string $property, ?string $context = null)
     public function set(string $class, string $property, $value = null, ?string $context = null): void
     {
         if ($this->deferWrites) {
+            $this->hydrate($context);
             $this->markPending($class, $property, $value, $context);
         } else {
             $this->persist($class, $property, $value, $context);
@@ -104,6 +105,8 @@ public function setMany(array $settings, ?string $context = null): void
         }
 
         if ($this->deferWrites) {
+            $this->hydrate($context);
+
             foreach ($settings as $setting) {
                 $this->markPending($setting['class'], $setting['property'], $setting['value'], $context);
                 $this->setStored($setting['class'], $setting['property'], $setting['value'], $context);

tests/DatabaseHandlerTest.php

@@ -490,6 +490,30 @@ public function testDeferredSetManyPersistsAfterPersist(): void
         ]);
     }
 
+    public function testDeferredSetReturnsPendingValueBeforePersist(): void
+    {
+        $this->settings->set('Example.siteName', 'StoredSingle');
+
+        $deferredSettings = $this->createDeferredSettings();
+
+        $deferredSettings->set('Example.siteName', 'PendingSingle');
+
+        $this->assertSame('PendingSingle', $deferredSettings->get('Example.siteName'));
+    }
+
+    public function testDeferredSetManyReturnsPendingValueBeforePersist(): void
+    {
+        $this->settings->set('Example.siteName', 'StoredBatch');
+
+        $deferredSettings = $this->createDeferredSettings();
+
+        $deferredSettings->setMany([
+            'Example.siteName' => 'PendingBatch',
+        ]);
+
+        $this->assertSame('PendingBatch', $deferredSettings->get('Example.siteName'));
+    }
+
     public function testDeferredSetManyPersistsDifferentClassesAfterPersist(): void
     {
         $deferredSettings = $this->createDeferredSettings();