Add IBAN validator with QA workflows

2026-09-16 14:22:55 +02:00
commit 1295f234e4
15 changed files with 900 additions and 0 deletions
@@ -0,0 +1,58 @@
+<?php
+
+declare(strict_types = 1);
+
+namespace Systopia\PipelineTest;
+
+use PHPUnit\Framework\TestCase;
+
+/**
+ * @covers \Systopia\PipelineTest\IbanValidator
+ */
+final class IbanValidatorTest extends TestCase {
+
+  /**
+   * @dataProvider validIbans
+   */
+  public function testAValidIban(string $iban): void {
+    static::assertTrue((new IbanValidator())->isValid($iban));
+  }
+
+  /**
+   * @return array<string, array{0: string}>
+   */
+  public static function validIbans(): array {
+    return [
+      'germany' => ['DE89370400440532013000'],
+      'grouped' => ['DE89 3704 0044 0532 0130 00'],
+      'lowercase' => ['de89370400440532013000'],
+      'austria' => ['AT611904300234573201'],
+      'netherlands with letters' => ['NL91ABNA0417164300'],
+    ];
+  }
+
+  /**
+   * @dataProvider invalidIbans
+   */
+  public function testAnInvalidIban(string $iban): void {
+    static::assertFalse((new IbanValidator())->isValid($iban));
+  }
+
+  /**
+   * @return array<string, array{0: string}>
+   */
+  public static function invalidIbans(): array {
+    return [
+      'wrong checksum' => ['DE88370400440532013000'],
+      'too short' => ['DE8937040044053201300'],
+      'unknown country' => ['XX89370400440532013000'],
+      'invalid character' => ['DE89370400440532013!00'],
+      'empty' => [''],
+    ];
+  }
+
+  public function testNormalizeStripsSeparatorsAndUppercases(): void {
+    static::assertSame('DE89370400440532013000', (new IbanValidator())->normalize(' de89 3704-0044 0532 0130 00 '));
+  }
+
+}