feat: add CurrencyValidator

fix: add CurrencyValidator

CurrencyValidator

zarad

tests/Validator/CurrencyValidatorTest.php

@@ -0,0 +1,33 @@
+<?php
+declare(strict_types=1);
+
+namespace App\Tests\Validator;
+
+use App\Service\CurrencyListerInterface;
+use App\Validator\Currency;
+use App\Validator\CurrencyValidator;
+
+class CurrencyValidatorTest extends ValidatorTestCase
+{
+    public function testSuccess(): void {
+        $currencyValidator = $this->createCurrencyValidator();
+        $currencyValidator->initialize($this->createExecutionContext(false));
+
+        $currencyValidator->validate('USD', new Currency(['message' => 'foo']));
+    }
+
+    public function testFailure(): void {
+        $currencyValidator = $this->createCurrencyValidator();
+        $currencyValidator->initialize($this->createExecutionContext(true));
+        $currencyValidator->validate('EUR', new Currency(['message' => 'foo']));
+    }
+
+    private function createCurrencyValidator(): CurrencyValidator {
+        $mock = $this->createMock(CurrencyListerInterface::class);
+        $mock->expects($this->once())
+            ->method('getCurrencies')
+            ->will($this->returnValue(['USD', 'CZK']));
+
+        return new CurrencyValidator($mock);
+    }
+}

tests/Validator/ValidatorTestCase.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Tests\Validator;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Validator\Context\ExecutionContextInterface;
+
+abstract class ValidatorTestCase extends TestCase
+{
+    protected function createExecutionContext(bool $violation): ExecutionContextInterface {
+        $expected = $violation ? $this->once() : $this->never();
+
+        $context = $this->createMock(ExecutionContextInterface::class);
+        $context->expects($expected)
+            ->method('buildViolation');
+
+        return $context;
+    }
+}