Work on webmwtion code refactoring

tests/WebMentionsTest.php

@@ -0,0 +1,92 @@
+<?php
+
+namespace App\Tests;
+
+use TestCase;
+use Illuminate\Foundation\Testing\WithoutMiddleware;
+use Illuminate\Foundation\Testing\DatabaseMigrations;
+use Illuminate\Foundation\Testing\DatabaseTransactions;
+
+class WebMentionsTest extends TestCase
+{
+    protected $appurl;
+
+    public function setUp()
+    {
+        parent::setUp();
+        $this->appurl = config('app.url');
+    }
+
+    /**
+     * Test webmentions without source and target are rejected.
+     *
+     * @return void
+     */
+    public function testWebmentionsWithoutSourceAndTargetAreRejected()
+    {
+        $this->call('POST', $this->appurl . '/webmention', ['source' => 'https://example.org/post/123']);
+        $this->assertResponseStatus(400)
+             ->see('You need both the target and source parameters');
+    }
+
+    /**
+     * Test invalid target gets a 400 response.
+     *
+     * @return void
+     */
+    public function testInvalidTargetReturns400Response()
+    {
+        $this->call('POST', $this->appurl . '/webmention', [
+            'source' => 'https://example.org/post/123',
+            'target' => $this->appurl . '/invalid/target'
+        ]);
+        $this->assertResponseStatus(400)
+             ->see('Invalid request');
+    }
+
+    /**
+     * Test blog target gets a 501 response.
+     *
+     * @return void
+     */
+    public function testBlogpostTargetReturns501Response()
+    {
+        $this->call('POST', $this->appurl . '/webmention', [
+            'source' => 'https://example.org/post/123',
+            'target' => $this->appurl . '/blog/target'
+        ]);
+        $this->assertResponseStatus(501)
+             ->see('I don’t accept webmentions for blog posts yet.');
+    }
+
+    /**
+     * Test that a non-existant note gives a 400 response.
+     *
+     * @return void
+     */
+    public function testNonexistantNoteReturns400Response()
+    {
+        $this->call('POST', $this->appurl . '/webmention', [
+            'source' => 'https://example.org/post/123',
+            'target' => $this->appurl . '/notes/ZZZZZ'
+        ]);
+        $this->assertResponseStatus(400)
+             ->see('This note doesn’t exist.');
+    }
+
+    /**
+     * Test a legit webmention triggers the ProcessWebMention job.
+     *
+     * @return void
+     */
+    public function testLegitimateWebmnetionTriggersProcessWebMentionJob()
+    {
+        $this->expectsJobs(\App\Jobs\ProcessWebMention::class);
+        $this->call('POST', $this->appurl . '/webmention', [
+            'source' => 'https://example.org/post/123',
+            'target' => $this->appurl . '/notes/B'
+        ]);
+        $this->assertResponseStatus(202)
+             ->see('Webmention received, it will be processed shortly');
+    }
+}