Repository is supposed to generate IDs

More/Repository/Tests/PostRepositoryTest.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace DesignPatterns\More\Repository\Tests;
+
+use DesignPatterns\More\Repository\MemoryStorage;
+use DesignPatterns\More\Repository\Domain\Post;
+use DesignPatterns\More\Repository\PostRepository;
+use PHPUnit\Framework\TestCase;
+
+class PostRepositoryTest extends TestCase
+{
+    /**
+     * @var PostRepository
+     */
+    private $repository;
+
+    protected function setUp()
+    {
+        $this->repository = new PostRepository(new MemoryStorage());
+    }
+
+    public function testCanGenerateId()
+    {
+        $this->assertEquals(1, $this->repository->generateId());
+    }
+
+    /**
+     * @expectedException \OutOfBoundsException
+     * @expectedExceptionMessage Post with id 42 does not exist
+     */
+    public function testThrowsExceptionWhenTryingToFindPostWhichDoesNotExist()
+    {
+        $this->repository->findById(42);
+    }
+
+    public function testCanPersistPostDraft()
+    {
+        $postId = $this->repository->generateId();
+        $post = Post::draft($postId, 'Repository Pattern', 'Design Patterns PHP');
+        $this->repository->save($post);
+
+        $this->assertEquals($postId, $this->repository->findById($postId)->getId());
+    }
+}

More/Repository/Tests/RepositoryTest.php

@@ -1,22 +0,0 @@
-<?php
-
-namespace DesignPatterns\More\Repository\Tests;
-
-use DesignPatterns\More\Repository\MemoryStorage;
-use DesignPatterns\More\Repository\Domain\Post;
-use DesignPatterns\More\Repository\PostRepository;
-use PHPUnit\Framework\TestCase;
-
-class RepositoryTest extends TestCase
-{
-    public function testCanPersistAndFindPost()
-    {
-        $repository = new PostRepository(new MemoryStorage());
-        $post = new Post(null, 'Repository Pattern', 'Design Patterns PHP');
-
-        $repository->save($post);
-
-        $this->assertEquals(1, $post->getId());
-        $this->assertEquals($post->getId(), $repository->findById(1)->getId());
-    }
-}