Prove Postgres cache store has bug with integration test

tests/Integration/Database/DatabaseCacheStoreTest.php

@@ -0,0 +1,70 @@
+<?php
+
+namespace Illuminate\Tests\Integration\Database;
+
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Cache;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+class DatabaseCacheStoreTest extends DatabaseTestCase
+{
+    protected function defineDatabaseMigrationsAfterDatabaseRefreshed()
+    {
+        Schema::create('cache', function (Blueprint $table) {
+            $table->string('key')->primary();
+            $table->mediumText('value');
+            $table->integer('expiration');
+        });
+
+
+        Schema::create('cache_locks', function (Blueprint $table) {
+            $table->string('key')->primary();
+            $table->string('owner');
+            $table->integer('expiration');
+        });
+    }
+
+    protected function destroyDatabaseMigrations()
+    {
+        Schema::dropIfExists('cache');
+        Schema::dropIfExists('cache_locks');
+    }
+
+    public function testValueCanBePut()
+    {
+        $store = $this->getStore();
+
+        $store->put('foo', 'bar', 60);
+
+        $this->assertSame('bar', $store->get('foo'));
+    }
+
+    public function testValueCanBeUpdate()
+    {
+        $store = $this->getStore();
+
+        $store->put('foo', 'bar', 60);
+        $store->put('foo', 'new-bar', 60);
+
+        $this->assertSame('new-bar', $store->get('foo'));
+    }
+
+    public function testValueCanBeUpdateInTransaction()
+    {
+        $store = $this->getStore();
+
+        $store->put('foo', 'bar', 60);
+
+        DB::beginTransaction();
+        $store->put('foo', 'new-bar', 60);
+        DB::commit();
+
+        $this->assertSame('new-bar', $store->get('foo'));
+    }
+
+    protected function getStore()
+    {
+        return Cache::store('database');
+    }
+}