From 1c1f8b5a588302a47508cd9702a6c198e7f05bbe Mon Sep 17 00:00:00 2001
From: Yisroel Baum <yisroel.d.baum@gmail.com>
Date: Sat, 18 Apr 2026 21:27:36 +0300
Subject: [PATCH] add tests for node controller

get nodes of text and create node
---
 tests/e2e/Controllers/NodeControllerTest.php | 152 +++++++++++++++++++
 1 file changed, 152 insertions(+)
 create mode 100644 tests/e2e/Controllers/NodeControllerTest.php

diff --git a/tests/e2e/Controllers/NodeControllerTest.php b/tests/e2e/Controllers/NodeControllerTest.php
new file mode 100644
index 0000000..28f0932
--- /dev/null
+++ b/tests/e2e/Controllers/NodeControllerTest.php
@@ -0,0 +1,152 @@
+<?php
+
+namespace Tests\e2e\Controllers;
+
+use App\Node\CreateNodeDto;
+use App\Node\NodeController;
+use App\Node\UseCases\CreateNode;
+use App\Text\CreateTextDto;
+use PHPUnit\Framework\TestCase;
+use Slim\Psr7\Factory\ServerRequestFactory;
+use Slim\Psr7\Response;
+use Tests\Fakes\FakeNodeRepository;
+use Tests\Fakes\FakeTextRepository;
+
+class NodeControllerTest extends TestCase
+{
+    private FakeTextRepository $textRepo;
+    private FakeNodeRepository $nodeRepo;
+    private NodeController $controller;
+
+    public function setUp(): void
+    {
+        $this->textRepo = new FakeTextRepository;
+        $this->textRepo->create(new CreateTextDto(name: 'test text'));
+
+        $this->nodeRepo = new FakeNodeRepository;
+
+        $this->controller = new NodeController($this->nodeRepo, $this->textRepo);
+    }
+
+    public function test_get_nodes_of_text_returns_flat_array(): void
+    {
+        $text = $this->textRepo->find(0);
+        $this->nodeRepo->create(new CreateNodeDto(
+            text: $text,
+            title: 'Root Node',
+            parentNode: null,
+        ));
+
+        $response = $this->controller->getNodesOfText(new Response(), 0);
+
+        $this->assertEquals(200, $response->getStatusCode());
+        $this->assertEquals(
+            json_encode([
+                ['id' => 0, 'title' => 'Root Node', 'parentNodeId' => null],
+            ]),
+            $response->getBody(),
+        );
+    }
+
+    public function test_get_nodes_of_text_returns_empty_array_when_no_nodes(): void
+    {
+        $response = $this->controller->getNodesOfText(new Response(), 0);
+
+        $this->assertEquals(200, $response->getStatusCode());
+        $this->assertEquals(json_encode([]), $response->getBody());
+    }
+
+    public function test_get_nodes_of_text_returns_404_for_unknown_text(): void
+    {
+        $response = $this->controller->getNodesOfText(new Response(), 99);
+
+        $this->assertEquals(404, $response->getStatusCode());
+    }
+
+    public function test_get_nodes_includes_parent_node_id(): void
+    {
+        $text = $this->textRepo->find(0);
+        $rootNode = $this->nodeRepo->create(new CreateNodeDto(
+            text: $text,
+            title: 'Root Node',
+            parentNode: null,
+        ));
+        $this->nodeRepo->create(new CreateNodeDto(
+            text: $text,
+            title: 'Child Node',
+            parentNode: $rootNode,
+        ));
+
+        $response = $this->controller->getNodesOfText(new Response(), 0);
+        $body = json_decode($response->getBody(), true);
+
+        $this->assertEquals(0, $body[1]['parentNodeId']);
+    }
+
+    public function test_create_node_returns_created_node(): void
+    {
+        $text = $this->textRepo->find(0);
+        $rootNode = $this->nodeRepo->create(new CreateNodeDto(
+            text: $text,
+            title: 'Root Node',
+            parentNode: null,
+        ));
+
+        $request = (new ServerRequestFactory())
+            ->createServerRequest('POST', 'http://localhost/api/nodes')
+            ->withParsedBody([
+                'textId' => 0,
+                'title' => 'Child Node',
+                'parentNodeId' => $rootNode->getId(),
+            ]);
+
+        $response = $this->controller->createNode(
+            $request,
+            new Response(),
+            new CreateNode($this->nodeRepo, $this->textRepo),
+        );
+
+        $this->assertEquals(201, $response->getStatusCode());
+        $body = json_decode($response->getBody(), true);
+        $this->assertEquals('Child Node', $body['title']);
+        $this->assertEquals($rootNode->getId(), $body['parentNodeId']);
+        $this->assertArrayHasKey('id', $body);
+    }
+
+    public function test_create_node_returns_400_when_title_missing(): void
+    {
+        $request = (new ServerRequestFactory())
+            ->createServerRequest('POST', 'http://localhost/api/nodes')
+            ->withParsedBody([
+                'textId' => 0,
+                'parentNodeId' => null,
+            ]);
+
+        $response = $this->controller->createNode(
+            $request,
+            new Response(),
+            new CreateNode($this->nodeRepo, $this->textRepo),
+        );
+
+        $this->assertEquals(400, $response->getStatusCode());
+    }
+
+    public function test_create_node_returns_404_when_text_not_found(): void
+    {
+        $request = (new ServerRequestFactory())
+            ->createServerRequest('POST', 'http://localhost/api/nodes')
+            ->withParsedBody([
+                'textId' => 99,
+                'title' => 'Some Node',
+                'parentNodeId' => null,
+            ]);
+
+        $response = $this->controller->createNode(
+            $request,
+            new Response(),
+            new CreateNode($this->nodeRepo, $this->textRepo),
+        );
+
+        $this->assertEquals(404, $response->getStatusCode());
+    }
+}