add getConfig.

Author: lilianjin

tests/Server/PidManagerFactoryTest.php

@@ -2,8 +2,8 @@
 
 namespace SwooleTW\Http\Tests\Server;
 
-use Mockery as m;
 use Illuminate\Container\Container;
+use Mockery as m;
 use SwooleTW\Http\Server\PidManager;
 use SwooleTW\Http\Server\PidManagerFactory;
 use SwooleTW\Http\Tests\TestCase;
@@ -14,7 +14,7 @@ public function testFactoryReturnsAPidManager()
     {
         $factory = new PidManagerFactory($container = new Container);
 
-        $config = m::mock(ConfigContract::class);
+        $config = $this->getConfig();
 
         $container->singleton(ConfigContract::class, function () use ($config) {
             return $config;
@@ -24,4 +24,21 @@ public function testFactoryReturnsAPidManager()
 
         $this->assertInstanceOf(PidManager::class, $factory($container));
     }
+
+    protected function getConfig()
+    {
+        $config = m::mock(ConfigContract::class);
+        $callback = function ($key) {
+            return $this->config[$key] ?? '';
+        };
+
+        $config->shouldReceive('get')
+               ->with(m::type('string'), m::any())
+               ->andReturnUsing($callback);
+        $config->shouldReceive('get')
+               ->with(m::type('string'))
+               ->andReturnUsing($callback);
+
+        return $config;
+    }
 }