add Klicktipp class tests

src/Klicktipp.php

@@ -44,7 +44,7 @@ class Klicktipp
         $this->account()->login();
     }
 
-    private function getConnection(): Connection
+    protected function getConnection(): Connection
     {
         if (!$this->connection) {
             $this->connection = new Connection($this->client_key, $this->secret_key);

tests/unit/KlicktippTest.php

@@ -0,0 +1,151 @@
+<?php
+
+/**
+ * Copyright (c) D3 Data Development (Inh. Thomas Dartsch)
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ *
+ * https://www.d3data.de
+ *
+ * @copyright (C) D3 Data Development (Inh. Thomas Dartsch)
+ * @author    D3 Data Development - Daniel Seifert <info@shopmodule.com>
+ * @link      https://www.oxidmodule.com
+ */
+
+declare(strict_types=1);
+
+namespace D3\KlicktippPhpClient\tests\unit;
+
+use D3\KlicktippPhpClient\Connection;
+use D3\KlicktippPhpClient\Klicktipp;
+use D3\KlicktippPhpClient\Resources\Account;
+use D3\KlicktippPhpClient\Resources\Field;
+use D3\KlicktippPhpClient\Resources\Subscriber;
+use D3\KlicktippPhpClient\Resources\SubscriptionProcess;
+use D3\KlicktippPhpClient\Resources\Tag;
+use D3\KlicktippPhpClient\tests\TestCase;
+use Generator;
+use GuzzleHttp\Client;
+use GuzzleHttp\ClientInterface;
+use ReflectionException;
+
+/**
+ * @covers \D3\KlicktippPhpClient\Klicktipp
+ */
+class KlicktippTest extends TestCase
+{
+    /**
+     * @test
+     * @throws ReflectionException
+     * @covers \D3\KlicktippPhpClient\Klicktipp::__construct
+     * @dataProvider constructDataProvider
+     */
+    public function testConstruct(?ClientInterface $client): void
+    {
+        $accountMock = $this->getMockBuilder(Account::class)
+            ->disableOriginalConstructor()
+            ->onlyMethods(['login'])
+            ->getMock();
+        $accountMock->expects($this->once())->method('login');
+
+        $connectionMock = $this->getMockBuilder(Connection::class)
+            ->disableOriginalConstructor()
+            ->onlyMethods(['setClient'])
+            ->getMock();
+        $connectionMock->expects($client ? $this->once() : $this->never())->method('setClient');
+
+        $sut = $this->getMockBuilder(Klicktipp::class)
+            ->onlyMethods(['account', 'getConnection'])
+            ->disableOriginalConstructor()
+            ->getMock();
+        $sut->method('account')->willReturn($accountMock);
+        $sut->method('getConnection')->willReturn($connectionMock);
+
+        $this->callMethod(
+            $sut,
+            '__construct',
+            ['client', 'secret', $client]
+        );
+    }
+
+    public static function constructDataProvider(): Generator
+    {
+        yield 'no client'   => [null];
+        yield 'has client'   => [new Client()];
+    }
+
+    /**
+     * @test
+     * @throws ReflectionException
+     * @covers \D3\KlicktippPhpClient\Klicktipp::getConnection
+     */
+    public function testGetConnection(): void
+    {
+        $accountMock = $this->getMockBuilder(Account::class)
+            ->disableOriginalConstructor()
+            ->onlyMethods(['login'])
+            ->getMock();
+        $accountMock->expects($this->never())->method('login');
+
+        $sutMock = $this->getMockBuilder(Klicktipp::class)
+            ->setConstructorArgs(['foo', 'bar'])
+            ->onlyMethods(['account'])
+            ->getMock();
+        $sutMock->method('account')->willReturn($accountMock);
+
+        // not set property
+        $firstReturn = $this->callMethod(
+            $sutMock,
+            'getConnection',
+        );
+
+        // already set property
+        $secondReturn = $this->callMethod(
+            $sutMock,
+            'getConnection',
+        );
+
+        $this->assertSame($firstReturn, $secondReturn);
+    }
+
+    /**
+     * @test
+     * @throws ReflectionException
+     * @covers \D3\KlicktippPhpClient\Klicktipp::subscription
+     * @covers \D3\KlicktippPhpClient\Klicktipp::account
+     * @covers \D3\KlicktippPhpClient\Klicktipp::field
+     * @covers \D3\KlicktippPhpClient\Klicktipp::subscriber
+     * @covers \D3\KlicktippPhpClient\Klicktipp::tag
+     * @dataProvider instanceGetterDataProvider
+     */
+    public function testInstanceGetter(string $testMethodName, string $expectedClassName)
+    {
+        $connectionMock = $this->getMockBuilder(Connection::class)
+            ->disableOriginalConstructor()
+            ->getMock();
+
+        $sutMock = $this->getMockBuilder(Klicktipp::class)
+            ->disableOriginalConstructor()
+            ->onlyMethods(['getConnection'])
+            ->getMock();
+        $sutMock->expects($this->once())->method('getConnection')->willReturn($connectionMock);
+
+        $this->assertInstanceOf(
+            $expectedClassName,
+            $this->callMethod(
+                $sutMock,
+                $testMethodName,
+            )
+        );
+    }
+
+    public static function instanceGetterDataProvider(): Generator
+    {
+        yield ['subscription', SubscriptionProcess::class];
+        yield ['account', Account::class];
+        yield ['field', Field::class];
+        yield ['subscriber', Subscriber::class];
+        yield ['tag', Tag::class];
+    }
+}