add adapter patterns tests

Author: git-growthdev

tests/Structural/Adapter/CurrencyAdapterTest.php

@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Growthdev\DesignPatterns\Tests\Structural\Adapter;
+
+use Growthdev\DesignPatterns\Structural\Adapter\CurrencyConverterAdapter;
+use Growthdev\DesignPatterns\Structural\Adapter\CurrencyToDollarConverter;
+use Growthdev\DesignPatterns\Structural\Adapter\CurrencyToEuroConverter;
+use PHPUnit\Framework\TestCase;
+
+final class CurrencyAdapterTest extends TestCase
+{
+ public function testCurrencyConverterToEuro(): void
+ {
+ $currencyConverter = new CurrencyConverterAdapter(new CurrencyToEuroConverter);
+ $this->assertEquals(6.35, $currencyConverter->convert(1.0));
+ }
+
+ public function testCurrencyConverterToDollar(): void
+ {
+ $currencyConverter = new CurrencyConverterAdapter(new CurrencyToDollarConverter);
+ $this->assertEquals(5.61, $currencyConverter->convert(1.0));
+ }
+}