did-manager/tests/Unit/FAIR/DID/DIDManagerTest.php

<?php

/**
 * DIDManager Tests
 *
 * @package DIDManager\Tests\Did
 */

declare(strict_types=1);

namespace Tests\Unit\FAIR\DID;

use FAIR\DID\DIDManager;
use FAIR\DID\PLC\PlcClient;
use FAIR\DID\Storage\KeyStore;
use PHPUnit\Framework\TestCase;

/**
 * Test cases for DIDManager
 */
class DIDManagerTest extends TestCase
{
    /**
     * Path to test store.
     *
     * @var string
     */
    private string $test_store_path;

    /**
     * KeyStore instance.
     *
     * @var KeyStore
     */
    private KeyStore $key_store;

    /**
     * Set up test fixtures.
     */
    protected function setUp(): void
    {
        $this->test_store_path = sys_get_temp_dir() . '/did-manager-test-' . uniqid() . '.json';
        $this->key_store = new KeyStore($this->test_store_path);
    }

    /**
     * Tear down test fixtures.
     */
    protected function tearDown(): void
    {
        if (file_exists($this->test_store_path)) {
            unlink($this->test_store_path);
        }
    }

    /**
     * Test constructor.
     */
    public function testConstructor(): void
    {
        $plc_client = new PlcClient();
        $manager = new DIDManager($this->key_store, $plc_client);

        $this->assertInstanceOf(DIDManager::class, $manager);
    }

    /**
     * Test list local DIDs when empty.
     */
    public function testListLocalDidsWhenEmpty(): void
    {
        $plc_client = new PlcClient();
        $manager = new DIDManager($this->key_store, $plc_client);

        $list = $manager->list_local_dids();

        $this->assertEmpty($list);
    }

    /**
     * Test list local DIDs returns stored DIDs.
     */
    public function testListLocalDidsReturnsStoredDids(): void
    {
        // Pre-populate the key store.
        $this->key_store->store_did(
            'did:plc:test123',
            'rotation-key',
            'zRotation',
            'verification-key',
            'zVerification',
            'plugin',
        );

        $plc_client = new PlcClient();
        $manager = new DIDManager($this->key_store, $plc_client);

        $list = $manager->list_local_dids();

        $this->assertCount(1, $list);
        $this->assertSame('did:plc:test123', $list[0]['did']);
    }

    /**
     * Test resolve DID throws on network error.
     */
    public function testResolveDidThrowsOnNetworkError(): void
    {
        $plc_client = new PlcClient('http://invalid.local.test', 1);
        $manager = new DIDManager($this->key_store, $plc_client);

        $this->expectException(\RuntimeException::class);
        $manager->resolve_did('did:plc:test123');
    }

    /**
     * Test create DID throws on network error.
     */
    public function testCreateDidThrowsOnNetworkError(): void
    {
        $plc_client = new PlcClient('http://invalid.local.test', 1);
        $manager = new DIDManager($this->key_store, $plc_client);

        $this->expectException(\RuntimeException::class);
        $manager->create_did('test-handle');
    }

    /**
     * Test update DID throws when rotation key not found.
     */
    public function testUpdateDidThrowsWhenRotationKeyNotFound(): void
    {
        $plc_client = new PlcClient();
        $manager = new DIDManager($this->key_store, $plc_client);

        $this->expectException(\RuntimeException::class);
        $this->expectExceptionMessage('Rotation key not found');
        $manager->update_did('did:plc:nonexistent', ['handle' => 'new-handle']);
    }

    /**
     * Test rotate keys throws when rotation key not found.
     */
    public function testRotateKeysThrowsWhenRotationKeyNotFound(): void
    {
        $plc_client = new PlcClient();
        $manager = new DIDManager($this->key_store, $plc_client);

        $this->expectException(\RuntimeException::class);
        $this->expectExceptionMessage('Rotation key not found');
        $manager->rotate_keys('did:plc:nonexistent');
    }

    /**
     * Test deactivate DID throws when rotation key not found.
     */
    public function testDeactivateDidThrowsWhenRotationKeyNotFound(): void
    {
        $plc_client = new PlcClient();
        $manager = new DIDManager($this->key_store, $plc_client);

        $this->expectException(\RuntimeException::class);
        $this->expectExceptionMessage('Rotation key not found');
        $manager->deactivate_did('did:plc:nonexistent');
    }
}