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test: unit tests for CachedRequestService
Signed-off-by: Josh Richards <josh.t.richards@gmail.com>
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‎tests/lib/Service/CachedRequestServiceTest.php‎

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<?php
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declare(strict_types=1);
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/**
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* SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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namespace Tests\Richdocuments;
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use OCA\Richdocuments\Service\CachedRequestService;
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use OCP\Files\AppData\IAppDataFactory;
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use OCP\Files\IAppData;
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use OCP\Files\SimpleFS\ISimpleFile;
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use OCP\Files\SimpleFS\ISimpleFolder;
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use OCP\Http\Client\IClient;
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use OCP\Http\Client\IClientService;
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use OCP\IAppConfig;
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use OCP\ICache;
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use OCP\ICacheFactory;
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use PHPUnit\Framework\MockObject\MockObject;
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use PHPUnit\Framework\TestCase;
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use Psr\Log\LoggerInterface;
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// Test double for CachedRequestService (abstract)
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class TestCachedRequestService extends CachedRequestService {
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public string $responseToReturn = 'default-response';
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protected function sendRequest(IClient $client): string {
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return $this->responseToReturn;
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}
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}
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class CachedRequestServiceTest extends TestCase {
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private IClientService&MockObject $clientService;
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private ICacheFactory&MockObject $cacheFactory;
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private ICache&MockObject $cache;
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private IAppDataFactory&MockObject $appDataFactory;
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private IAppData&MockObject $appData;
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private ISimpleFolder&MockObject $folder;
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private ISimpleFile&MockObject $file;
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private IAppConfig&MockObject $appConfig;
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private LoggerInterface&MockObject $logger;
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private TestCachedRequestService $service;
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protected function setUp(): void {
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parent::setUp();
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$this->clientService = $this->createMock(IClientService::class);
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$this->cacheFactory = $this->createMock(ICacheFactory::class);
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$this->cache = $this->createMock(ICache::class);
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$this->appDataFactory = $this->createMock(IAppDataFactory::class);
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$this->appData = $this->createMock(IAppData::class);
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$this->folder = $this->createMock(ISimpleFolder::class);
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$this->file = $this->createMock(ISimpleFile::class);
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$this->appConfig = $this->createMock(IAppConfig::class);
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$this->logger = $this->createMock(LoggerInterface::class);
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$this->cacheFactory->method('createDistributed')->willReturn($this->cache);
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$this->appDataFactory->method('get')->willReturn($this->appData);
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$this->appData->method('getFolder')->willReturn($this->folder);
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$this->service = new TestCachedRequestService(
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$this->clientService,
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$this->cacheFactory,
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$this->appDataFactory,
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$this->appConfig,
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$this->logger,
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'unittest-cachekey'
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);
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}
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public function testFetchStoresToCacheAndReturnsResponse(): void {
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$this->cache->expects($this->once())
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->method('set')
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->with('unittest-cachekey', 'default-response');
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$this->folder->expects($this->once())
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->method('newFile')
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->with('unittest-cachekey', 'default-response');
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$result = $this->service->fetch();
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$this->assertEquals('default-response', $result);
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}
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public function testGetReturnsCachedValueIfPresent(): void {
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$this->cache->expects($this->once())
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->method('get')
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->with('unittest-cachekey')
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->willReturn('from-cache');
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$this->folder->expects($this->never())->method('fileExists');
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$this->folder->expects($this->never())->method('getFile');
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$this->cache->expects($this->never())->method('set');
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$result = $this->service->get();
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$this->assertEquals('from-cache', $result);
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}
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public function testGetReturnsFileValueIfCacheMiss(): void {
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$this->cache->expects($this->once())
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->method('get')
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->with('unittest-cachekey')
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->willReturn(null);
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$this->folder->expects($this->once())
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->method('fileExists')
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->with('unittest-cachekey')
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->willReturn(true);
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$this->folder->expects($this->once())
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->method('getFile')
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->with('unittest-cachekey')
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->willReturn($this->file);
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$this->file->expects($this->once())
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->method('getContent')
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->willReturn('from-file');
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$this->cache->expects($this->once())
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->method('set')
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->with('unittest-cachekey', 'from-file', 3600);
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$result = $this->service->get();
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$this->assertEquals('from-file', $result);
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}
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public function testResetCacheRemovesCacheAndFile(): void {
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$this->cache->expects($this->once())->method('remove')->with('unittest-cachekey');
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$this->folder->method('fileExists')->with('unittest-cachekey')->willReturn(true);
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$this->folder->method('getFile')->with('unittest-cachekey')->willReturn($this->file);
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$this->file->expects($this->once())->method('delete');
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$this->service->resetCache();
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$this->assertTrue(true); // No exceptions thrown
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}
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public function testGetLastUpdateReturnsMTimeIfFileExists(): void {
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$this->folder->expects($this->once())
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->method('fileExists')
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->with('unittest-cachekey')
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->willReturn(true);
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$this->folder->expects($this->once())
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->method('getFile')
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->with('unittest-cachekey')
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->willReturn($this->file);
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$this->file->expects($this->once())
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->method('getMTime')
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->willReturn(1700000000); // Some fake timestamp
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$result = $this->service->getLastUpdate();
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$this->assertEquals(1700000000, $result);
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}
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public function testGetLastUpdateReturnsNullIfFileDoesNotExist(): void {
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$this->folder->expects($this->once())
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->method('fileExists')
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->with('unittest-cachekey')
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->willReturn(false);
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$this->folder->expects($this->never())->method('getFile');
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$this->file->expects($this->never())->method('getMTime');
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$result = $this->service->getLastUpdate();
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$this->assertNull($result);
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}
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public function testFetchPropagatesExceptionAndLeavesCacheIntact(): void {
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// Set up a test double that throws
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$service = new class($this->clientService, $this->cacheFactory, $this->appDataFactory, $this->appConfig, $this->logger, 'unittest-cachekey') extends CachedRequestService {
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protected function sendRequest(IClient $client): string {
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throw new \RuntimeException('Remote endpoint unreachable!');
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}
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};
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// Existing cache should not be set, folder->newFile should not be called
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$this->cache->expects($this->never())->method('set');
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$this->folder->expects($this->never())->method('newFile');
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$this->expectException(\RuntimeException::class);
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$this->expectExceptionMessage('Remote endpoint unreachable!');
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$service->fetch();
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}
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}

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