feat(server): medium tests (#13289)

server/test/medium/metadata.service.spec.ts

@@ -0,0 +1,137 @@
+import { Stats } from 'node:fs';
+import { writeFile } from 'node:fs/promises';
+import { tmpdir } from 'node:os';
+import { join } from 'node:path';
+import { AssetEntity } from 'src/entities/asset.entity';
+import { IAssetRepository } from 'src/interfaces/asset.interface';
+import { IStorageRepository } from 'src/interfaces/storage.interface';
+import { MetadataRepository } from 'src/repositories/metadata.repository';
+import { MetadataService } from 'src/services/metadata.service';
+import { newLoggerRepositoryMock } from 'test/repositories/logger.repository.mock';
+import { newRandomImage, newTestService } from 'test/utils';
+import { Mocked } from 'vitest';
+
+const metadataRepository = new MetadataRepository(newLoggerRepositoryMock());
+
+const createTestFile = async (exifData: Record<string, any>) => {
+  const data = newRandomImage();
+  const filePath = join(tmpdir(), 'test.png');
+  await writeFile(filePath, data);
+  await metadataRepository.writeTags(filePath, exifData);
+  return { filePath };
+};
+
+type TimeZoneTest = {
+  description: string;
+  serverTimeZone?: string;
+  exifData: Record<string, any>;
+  expected: {
+    localDateTime: string;
+    dateTimeOriginal: string;
+    timeZone: string | null;
+  };
+};
+
+describe(MetadataService.name, () => {
+  let sut: MetadataService;
+
+  let assetMock: Mocked<IAssetRepository>;
+  let storageMock: Mocked<IStorageRepository>;
+
+  beforeEach(() => {
+    ({ sut, assetMock, storageMock } = newTestService(MetadataService, { metadataRepository }));
+
+    storageMock.stat.mockResolvedValue({ size: 123_456 } as Stats);
+
+    delete process.env.TZ;
+  });
+
+  it('should be defined', () => {
+    expect(sut).toBeDefined();
+  });
+
+  describe('handleMetadataExtraction', () => {
+    const timeZoneTests: TimeZoneTest[] = [
+      {
+        description: 'should handle no time zone information',
+        exifData: {
+          DateTimeOriginal: '2022:01:01 00:00:00',
+        },
+        expected: {
+          localDateTime: '2022-01-01T00:00:00.000Z',
+          dateTimeOriginal: '2022-01-01T00:00:00.000Z',
+          timeZone: null,
+        },
+      },
+      {
+        description: 'should handle no time zone information and server behind UTC',
+        serverTimeZone: 'America/Los_Angeles',
+        exifData: {
+          DateTimeOriginal: '2022:01:01 00:00:00',
+        },
+        expected: {
+          localDateTime: '2022-01-01T00:00:00.000Z',
+          dateTimeOriginal: '2022-01-01T08:00:00.000Z',
+          timeZone: null,
+        },
+      },
+      {
+        description: 'should handle no time zone information and server ahead of UTC',
+        serverTimeZone: 'Europe/Brussels',
+        exifData: {
+          DateTimeOriginal: '2022:01:01 00:00:00',
+        },
+        expected: {
+          localDateTime: '2022-01-01T00:00:00.000Z',
+          dateTimeOriginal: '2021-12-31T23:00:00.000Z',
+          timeZone: null,
+        },
+      },
+      {
+        description: 'should handle no time zone information and server ahead of UTC in the summer',
+        serverTimeZone: 'Europe/Brussels',
+        exifData: {
+          DateTimeOriginal: '2022:06:01 00:00:00',
+        },
+        expected: {
+          localDateTime: '2022-06-01T00:00:00.000Z',
+          dateTimeOriginal: '2022-05-31T22:00:00.000Z',
+          timeZone: null,
+        },
+      },
+      {
+        description: 'should handle a +13:00 time zone',
+        exifData: {
+          DateTimeOriginal: '2022:01:01 00:00:00+13:00',
+        },
+        expected: {
+          localDateTime: '2022-01-01T00:00:00.000Z',
+          dateTimeOriginal: '2021-12-31T11:00:00.000Z',
+          timeZone: 'UTC+13',
+        },
+      },
+    ];
+
+    it.each(timeZoneTests)('$description', async ({ exifData, serverTimeZone, expected }) => {
+      process.env.TZ = serverTimeZone ?? undefined;
+
+      const { filePath } = await createTestFile(exifData);
+      assetMock.getByIds.mockResolvedValue([{ id: 'asset-1', originalPath: filePath } as AssetEntity]);
+
+      await sut.handleMetadataExtraction({ id: 'asset-1' });
+
+      expect(assetMock.upsertExif).toHaveBeenCalledWith(
+        expect.objectContaining({
+          dateTimeOriginal: new Date(expected.dateTimeOriginal),
+          timeZone: expected.timeZone,
+        }),
+      );
+
+      expect(assetMock.update).toHaveBeenCalledWith(
+        expect.objectContaining({
+          localDateTime: new Date(expected.localDateTime),
+        }),
+      );
+    });
+  });
+});