Add HTTP endpoint (#1)

Author: yoanm

composer.json

@@ -27,7 +27,9 @@
         }
     },
     "require": {
-        "php": ">7.0"
+        "php": ">7.0",
+        "yoanm/jsonrpc-server-sdk": "^1.0",
+        "symfony/http-foundation": "^3.0 || ^4.0"
     },
     "require-dev": {
         "behat/behat": "~3.0",

src/Infra/Endpoint/JsonRpcHttpEndpoint.php

@@ -0,0 +1,31 @@
+<?php
+namespace Yoanm\SymfonyJsonRpcHttpServer\Infra\Endpoint;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Yoanm\JsonRpcServer\Infra\Endpoint\JsonRpcEndpoint as SDKJsonRpcEndpoint;
+
+/**
+ * Class JsonRpcHttpEndpoint
+ */
+class JsonRpcHttpEndpoint
+{
+    /** @var SdkJsonRpcEndpoint */
+    private $sdkEndpoint;
+
+    public function __construct(SDKJsonRpcEndpoint $sdkEndpoint)
+    {
+        $this->sdkEndpoint = $sdkEndpoint;
+    }
+
+    public function index(Request $request) : Response
+    {
+        if (Request::METHOD_POST !== $request->getMethod()) {
+            return new Response('A JSON-RPC HTTP call must use POST', Response::HTTP_METHOD_NOT_ALLOWED);
+        }
+
+        return new Response(
+            $this->sdkEndpoint->index($request->getContent())
+        );
+    }
+}

tests/Functional/Infra/Endpoint/JsonRpcHttpEndpointTest.php

@@ -0,0 +1,72 @@
+<?php
+namespace Tests\Functional\Infra\Endpoint\JsonRpcHttpEndpoint;
+
+use PHPUnit\Framework\TestCase;
+use Prophecy\Argument;
+use Prophecy\Prophecy\ObjectProphecy;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Yoanm\SymfonyJsonRpcHttpServer\Infra\Endpoint\JsonRpcHttpEndpoint;
+use Yoanm\JsonRpcServer\Infra\Endpoint\JsonRpcEndpoint as SDKJsonRpcEndpoint;
+
+/**
+ * @covers \Yoanm\SymfonyJsonRpcHttpServer\Infra\Endpoint\JsonRpcHttpEndpoint
+ */
+class JsonRpcHttpEndpointTest extends TestCase
+{
+    /** @var JsonRpcHttpEndpoint */
+    private $endpoint;
+
+    /** @var SdkJsonRpcEndpoint|ObjectProphecy */
+    private $sdkEndpoint;
+
+    protected function setUp()
+    {
+        $this->sdkEndpoint = $this->prophesize(SdkJsonRpcEndpoint::class);
+
+        $this->endpoint = new JsonRpcHttpEndpoint(
+            $this->sdkEndpoint->reveal()
+        );
+    }
+
+    public function testShouldHandleRequestContentAndReturnA200ResponseContainingSDKEndpointReturnedValue()
+    {
+        $requestContent = 'request-content';
+        $expextedResponseContent = 'expected-response-content';
+
+        /** @var Request|ObjectProphecy $request */
+        $request = $this->prophesize(Request::class);
+
+        $request->getMethod()
+            ->willReturn(Request::METHOD_POST)
+            ->shouldBeCalled();
+
+        $request->getContent()
+            ->willReturn($requestContent)
+            ->shouldBeCalled();
+
+        $this->sdkEndpoint->index($requestContent)
+            ->willReturn($expextedResponseContent)
+            ->shouldBeCalled();
+
+        $response = $this->endpoint->index($request->reveal());
+
+        $this->assertSame(Response::HTTP_OK, $response->getStatusCode());
+        $this->assertSame($expextedResponseContent, $response->getContent());
+    }
+
+    public function testShouldCheckIfRequestUsePostMethodAndReturnErrorResponseIfNot()
+    {
+        /** @var Request|ObjectProphecy $request */
+        $request = $this->prophesize(Request::class);
+
+        $request->getMethod()
+            ->willReturn(Request::METHOD_GET)
+            ->shouldBeCalled();
+
+        $response = $this->endpoint->index($request->reveal());
+
+        $this->assertSame(Response::HTTP_METHOD_NOT_ALLOWED, $response->getStatusCode());
+        $this->assertSame('A JSON-RPC HTTP call must use POST', $response->getContent());
+    }
+}