Add a test for generated JSON

tests/Feature/MicropubClientControllerTest.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace Tests\Feature;
+
+use Mockery;
+use Tests\TestCase;
+use App\IndieWebUser;
+use IndieAuth\Client as IndieClient;
+use GuzzleHttp\Client as GuzzleClient;
+use GuzzleHttp\Middleware;
+use GuzzleHttp\HandlerStack;
+use GuzzleHttp\Psr7\Response;
+use GuzzleHttp\Handler\MockHandler;
+use Illuminate\Foundation\Testing\WithoutMiddleware;
+use Illuminate\Foundation\Testing\DatabaseMigrations;
+use Illuminate\Foundation\Testing\DatabaseTransactions;
+
+class MicropubClientControllerTest extends TestCase
+{
+    use DatabaseTransactions;
+
+    public function test_json_syntax_is_created_correctly()
+    {
+        $container = [];
+        $history = Middleware::history($container);
+
+        $mock = new MockHandler([
+            new Response(201, ['Location' => 'http://example.org/a'], 'Created'),
+        ]);
+
+        $stack = HandlerStack::create($mock);
+        $stack->push($history);
+        $guzzleClient = new GuzzleClient(['handler' => $stack]);
+
+        $this->app->instance(GuzzleClient::class, $guzzleClient);
+
+        $response = $this->post(
+            '/micropub',
+            [
+                'content' => 'Hello Fred',
+                'in-reply-to' => 'https://fredbloggs.com/note/abc',
+                'mp-syndicate-to' => ['https://twitter.com/jonnybarnes', 'https://facebook.com/jonnybarnes'],
+            ]
+        );
+
+        $expected = '{"type":["h-entry"],"properties":{"content":["Hello Fred"],"in-reply-to":["https:\/\/fredbloggs.com\/note\/abc"],"mp-syndicate-to":["https:\/\/twitter.com\/jonnybarnes","https:\/\/facebook.com\/jonnybarnes"]}}';
+        foreach ($container as $transaction) {
+            $this->assertEquals($expected, $transaction['request']->getBody()->getContents());
+        }
+    }
+}