diff --git a/tests/Feature/WebMentionsControllerTest.php b/tests/Feature/WebMentionsControllerTest.php
new file mode 100644
index 00000000..163eb4ce
--- /dev/null
+++ b/tests/Feature/WebMentionsControllerTest.php
@@ -0,0 +1,84 @@
+<?php
+
+namespace Tests\Feature;
+
+use Tests\TestCase;
+use App\Jobs\ProcessWebMention;
+use Illuminate\Support\Facades\Queue;
+use Illuminate\Foundation\Testing\WithoutMiddleware;
+use Illuminate\Foundation\Testing\DatabaseMigrations;
+use Illuminate\Foundation\Testing\DatabaseTransactions;
+
+class WebMentionsControllerTest extends TestCase
+{
+    /**
+     * Test webmentions without source and target are rejected.
+     *
+     * @return void
+     */
+    public function test_webmentions_without_source_and_target_are_rejected()
+    {
+        $response = $this->call('POST', '/webmention', ['source' => 'https://example.org/post/123']);
+        $response->assertStatus(400);
+    }
+
+    /**
+     * Test invalid target gets a 400 response.
+     *
+     * @return void
+     */
+    public function test_invalid_target_returns_400_response()
+    {
+        $response = $this->call('POST', '/webmention', [
+            'source' => 'https://example.org/post/123',
+            'target' => config('app.url') . '/invalid/target'
+        ]);
+        $response->assertStatus(400);
+    }
+
+    /**
+     * Test blog target gets a 501 response due to me not supporting it.
+     *
+     * @return void
+     */
+    public function test_blog_target_returns_501_response()
+    {
+        $response = $this->call('POST', '/webmention', [
+            'source' => 'https://example.org/post/123',
+            'target' => config('app.url') . '/blog/target'
+        ]);
+        $response->assertStatus(501);
+    }
+
+    /**
+     * Test that a non-existant note gives a 400 response.
+     *
+     * @return void
+     */
+    public function test_nonexistant_note_returns_400_response()
+    {
+        $response = $this->call('POST', '/webmention', [
+            'source' => 'https://example.org/post/123',
+            'target' => config('app.url') . '/notes/ZZZZZ'
+        ]);
+        $response->assertStatus(400);
+    }
+
+    /**
+     * Test a legit webmention triggers the ProcessWebMention job.
+     *
+     * @return void
+     */
+    public function test_legitimate_webmnetion_triggers_processwebmention_job()
+    {
+        Queue::fake();
+
+        $response = $this->call('POST', '/webmention', [
+            'source' => 'https://example.org/post/123',
+            'target' => config('app.url') . '/notes/B'
+        ]);
+        $response->assertStatus(202);
+
+        Queue::assertPushed(ProcessWebMention::class);
+    }
+}