Fix phpUnit

Author: isublimity

README.md

@@ -873,6 +873,7 @@ Edit in phpunit.xml constants:
     <env name="CLICKHOUSE_HOST" value="127.0.0.1" />
     <env name="CLICKHOUSE_PORT" value="8123" />
     <env name="CLICKHOUSE_USER" value="default" />
+    <env name="CLICKHOUSE_DATABASE" value="phpChTestDefault" />
     <env name="CLICKHOUSE_PASSWORD" value="" />
     <env name="CLICKHOUSE_TMPPATH" value="/tmp" />
 </php>

composer.json

@@ -20,7 +20,8 @@
     "php": "^7.1",
     "doctrine/coding-standard": "^4.0",
     "phpstan/phpstan": "^0.9.2",
-    "phpunit/phpunit": "^7.0"
+    "phpunit/phpunit": "^7",
+    "sebastian/comparator": "~3.0"
   },
   "autoload": {
     "psr-4": {

tests/WithClient.php

@@ -33,10 +33,18 @@ public function restartClickHouseClient()
             'password' => getenv('CLICKHOUSE_PASSWORD'),
 
         ];
+
         $this->client = new Client($config);
         $databaseName = getenv('CLICKHOUSE_DATABASE');
-        $this->client->write(sprintf('DROP DATABASE IF EXISTS "%s"', $databaseName));
-        $this->client->write(sprintf('CREATE DATABASE "%s"', $databaseName));
+        if (!$databaseName || $databaseName==='default') {
+            throw new \Exception('Change CLICKHOUSE_DATABASE, not use default');
+        }
+        if (empty($GLOBALS['phpCH_needFirstCreateDB'])) { // hack use Global VAR, for once create DB
+            $GLOBALS['phpCH_needFirstCreateDB']=true;
+            $this->client->write(sprintf('DROP DATABASE IF EXISTS "%s"', $databaseName));
+            $this->client->write(sprintf('CREATE DATABASE "%s"', $databaseName));
+        }
+        // Change Database
         $this->client->database($databaseName);
     }
 }