add test for HandShakeHandler

tests/Websocket/HandShakeHandlerTest.php

@@ -0,0 +1,71 @@
+<?php
+
+namespace SwooleTW\Http\Tests\Websocket;
+
+use Mockery as m;
+use Swoole\Http\Request;
+use Swoole\Http\Response;
+use SwooleTW\Http\Tests\TestCase;
+use SwooleTW\Http\Websocket\HandShakeHandler;
+
+class HandShakeHandlerTest extends TestCase
+{
+    public function testHandle()
+    {
+        // arrange
+        $request = m::mock(Request::class);
+        $request->header['sec-websocket-key'] = 'Bet8DkPFq9ZxvIBvPcNy1A==';
+
+        $response = m::mock(Response::class);
+        $response->shouldReceive('header')->withAnyArgs()->times(4)->andReturnSelf();
+        $response->shouldReceive('status')->with(101)->once()->andReturnSelf();
+        $response->shouldReceive('end')->withAnyArgs()->once()->andReturnSelf();
+
+        $handler = new HandShakeHandler;
+
+        // act
+        $actual = $handler->handle($request, $response);
+
+        // assert
+        $this->assertTrue($actual);
+    }
+
+    public function testHandleReturnFalse()
+    {
+        // arrange
+        $request = m::mock(Request::class);
+        $request->header['sec-websocket-key'] = 'test';
+
+        $response = m::mock(Response::class);
+        $response->shouldReceive('end')->withAnyArgs()->once()->andReturnSelf();
+
+        $handler = new HandShakeHandler;
+
+        // act
+        $actual = $handler->handle($request, $response);
+
+        // assert
+        $this->assertFalse($actual);
+    }
+
+    public function testHandleWithSecWebsocketProtocol()
+    {
+        // arrange
+        $request = m::mock(Request::class);
+        $request->header['sec-websocket-key'] = 'Bet8DkPFq9ZxvIBvPcNy1A==';
+        $request->header['sec-websocket-protocol'] = 'graphql-ws';
+
+        $response = m::mock(Response::class);
+        $response->shouldReceive('header')->withAnyArgs()->times(5)->andReturnSelf();
+        $response->shouldReceive('status')->with(101)->once()->andReturnSelf();
+        $response->shouldReceive('end')->withAnyArgs()->once()->andReturnSelf();
+
+        $handler = new HandShakeHandler;
+
+        // act
+        $actual = $handler->handle($request, $response);
+
+        // assert
+        $this->assertTrue($actual);
+    }
+}