From 0c518d3d37434ff6288d51abf9d98e4c074eefb9 Mon Sep 17 00:00:00 2001
From: Oliver Davies <oliver@oliverdavies.uk>
Date: Thu, 19 Mar 2020 21:06:52 +0000
Subject: [PATCH] 4a: Ensure that only articles are returned

Start adding a kernel test that retrieves article nodes from an
`ArticleRepository` and ensures that only articles are returned.

This fails due to a non-existent service.
---
 .../tests/src/Kernel/ArticleRepositoryTest.php | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 web/modules/custom/my_module/tests/src/Kernel/ArticleRepositoryTest.php

diff --git a/web/modules/custom/my_module/tests/src/Kernel/ArticleRepositoryTest.php b/web/modules/custom/my_module/tests/src/Kernel/ArticleRepositoryTest.php
new file mode 100644
index 0000000..d68bf1e
--- /dev/null
+++ b/web/modules/custom/my_module/tests/src/Kernel/ArticleRepositoryTest.php
@@ -0,0 +1,18 @@
+<?php
+
+namespace Drupal\Tests\my_module\Kernel;
+
+use Drupal\KernelTests\Core\Entity\EntityKernelTestBase;
+
+class ArticleRepositoryTest extends EntityKernelTestBase {
+
+  /** @test */
+  public function nodes_that_are_not_articles_are_not_returned() {
+    $repository = $this->container->get(ArticleRepository::class);
+    $articles = $repository->getAll();
+
+    $this->assertCount(3, $articles);
+  }
+
+}
+