jonnybarnes.uk/tests/Feature/FeedsTest.php

<?php

namespace Tests\Feature;

use Tests\TestCase;

class FeedsTest extends TestCase
{
    /**
     * Test the blog RSS feed.
     *
     * @return void
     */
    public function test_blog_rss_feed()
    {
        $response = $this->get('/blog/feed.rss');
        $response->assertHeader('Content-Type', 'application/rss+xml; charset=utf-8');
    }

    /**
     * Test the notes RSS feed.
     *
     * @return void
     */
    public function test_notes_rss_feed()
    {
        $response = $this->get('/notes/feed.rss');
        $response->assertHeader('Content-Type', 'application/rss+xml; charset=utf-8');
    }

    /**
     * Test the blog RSS feed.
     *
     * @return void
     */
    public function test_blog_atom_feed()
    {
        $response = $this->get('/blog/feed.atom');
        $response->assertHeader('Content-Type', 'application/atom+xml; charset=utf-8');
    }

    /**
     * Test the notes RSS feed.
     *
     * @return void
     */
    public function test_notes_atom_feed()
    {
        $response = $this->get('/notes/feed.atom');
        $response->assertHeader('Content-Type', 'application/atom+xml; charset=utf-8');
    }

    /**
     * Test the blog JSON feed.
     *
     * @return void
     */
    public function test_blog_json_feed()
    {
        $response = $this->get('/blog/feed.json');
        $response->assertHeader('Content-Type', 'application/json');
    }

    /**
     * Test the notes JSON feed.
     *
     * @return void
     */
    public function test_notes_json_feed()
    {
        $response = $this->get('/notes/feed.json');
        $response->assertHeader('Content-Type', 'application/json');
    }

    /**
     * Each JSON feed item must have one of `content_text` or `content_html`,
     * and whichever one they have can’t be `null`.
     *
     * @return void
     */
    public function test_json_feed_has_one_content_attribute_and_it_isnt_null()
    {
        $response = $this->get('/notes/feed.json');
        $data = json_decode($response->content());
        foreach ($data->items as $item) {
            $this->assertTrue(
                property_exists($item, 'content_text') ||
                property_exists($item, 'content_html')
            );
            if (property_exists($item, 'content_text')) {
                $this->assertNotNull($item->content_text);
            }
            if (property_exists($item, 'content_html')) {
                $this->assertNotNull($item->content_html);
            }
        }
    }
}