feat: #4 create iteration

composer.json

@@ -9,6 +9,7 @@
     },
     "require-dev": {
         "fakerphp/faker": "^1.16",
+        "mockery/mockery": "^1.4",
         "phpmd/phpmd": "^2.10",
         "phpunit/phpunit": "^9.5",
         "squizlabs/php_codesniffer": "^3.6"

src/Core.php

@@ -9,7 +9,7 @@ class Core
     protected string $token;
     protected Client $client;
 
-    public function __construct(string $token, Client $client = null)
+    public function __construct(string $token = '', Client $client = null)
     {
         $this->token = $token;
         $this->client = $client ?? new Client();

src/Iteration.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Coding;
+
+class Iteration
+{
+    private Core $core;
+
+    public function __construct(string $token, Core $core = null)
+    {
+        $this->core = $core ?? new Core($token);
+    }
+
+    public function create(array $data)
+    {
+        $response = $this->core->request('CreateIteration', $data);
+        return $response['Iteration'];
+    }
+}

tests/IterationTest.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace Coding\Tests;
+
+use Coding\Core;
+use Coding\Iteration;
+
+class IterationTest extends TestCase
+{
+    public function testCreateSuccess()
+    {
+        $coreMock = \Mockery::mock(Core::class, [])->makePartial();
+
+        $response = json_decode(
+            file_get_contents($this->dataPath('CreateIterationResponse.json')),
+            true
+        )['Response'];
+        $data = [
+            'ProjectName' => $this->projectName,
+            'Name' => $this->faker->title,
+        ];
+        $coreMock->shouldReceive('request')->times(1)->withArgs([
+            'CreateIteration',
+            $data
+        ])->andReturn($response);
+
+        $iteration = new Iteration($this->token, $coreMock);
+        $result = $iteration->create($data);
+        $this->assertEquals($response['Iteration'], $result);
+    }
+}