This commit fixes the issue #190 Write-a-functional-test-to-check-the…

tests/functional/LegalCommandTest.php

@@ -0,0 +1,62 @@
+<?php
+
+namespace ChessServer\Tests\Functional;
+
+use ChessServer\Tests\AbstractFunctionalTestCase;
+use React\Promise\Deferred;
+use React\Socket\Connector;
+use React\Socket\ConnectionInterface;
+
+include_once __DIR__."/StartCommandTest.php";
+
+
+class LegalCommandTest extends AbstractFunctionalTestCase
+{
+    public static $connector;
+
+    public static $deferred;
+
+    public static $promise;
+
+    public static $startcommandtest;
+
+    protected function setUp(): void
+    {
+        self::$connector = new Connector();
+        self::$deferred = new Deferred();
+        self::$promise = self::$deferred->promise();
+        self::$startcommandtest = new StartCommandTest();
+        self::$startcommandtest->setUp();
+    }
+
+    /**
+     * @test
+    */
+    public function start_classical_fen(){
+        self::$startcommandtest->start_classical_fen();
+    } 
+
+    /**
+     * @depends start_classical_fen
+     */
+
+    public function legal_e2()
+    {
+        self::$connector->connect("$this->host:$this->port")->then(function (ConnectionInterface $conn) {
+            $conn->on('data', function ($data) use ($conn) {
+            self::$deferred->resolve($data);
+            $conn->close();
+            });
+            $conn->write('/legal e2');
+        });
+
+        $response = \React\Async\await(self::$promise->then(function (string $result): string {
+            return $result;
+        }));
+
+        $expected = '{"\/legal":{"color":"w","id":"P","fen":{"e3":"rnbqkbnr\/pppppppp\/8\/8\/8\/4P3\/PPPP1PPP\/RNBQKBNR b KQkq -","e4":"rnbqkbnr\/pppppppp\/8\/8\/4P3\/8\/PPPP1PPP\/RNBQKBNR b KQkq e3"}}}';
+
+        $this->assertEquals($expected, $response);      
+    }
+
+}