상위 디렉터리 및 카테고리의 소유권을 검증하지 않던 문제 등 버그 수정 및 Vitest 기반 테스트 추가

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

tests/setup/database.ts

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+import { PostgreSqlContainer, type StartedPostgreSqlContainer } from "@testcontainers/postgresql";
+import { Kysely, PostgresDialect } from "kysely";
+import { Migrator } from "kysely/migration";
+import pg from "pg";
+import type { TestProject } from "vitest/node";
+import migrations from "../../src/lib/server/db/migrations";
+
+declare module "vitest" {
+  export interface ProvidedContext {
+    database: {
+      host: string;
+      port: number;
+      user: string;
+      password: string;
+      name: string;
+    };
+  }
+}
+
+let container: StartedPostgreSqlContainer | undefined;
+
+export const setup = async (project: TestProject) => {
+  container = await new PostgreSqlContainer("postgres:17").start();
+
+  const database = {
+    host: container.getHost(),
+    port: container.getPort(),
+    user: container.getUsername(),
+    password: container.getPassword(),
+    name: container.getDatabase(),
+  };
+
+  const db = new Kysely({
+    dialect: new PostgresDialect({
+      pool: new pg.Pool({ ...database, database: database.name }),
+    }),
+  });
+  try {
+    const { error } = await new Migrator({
+      db,
+      provider: { getMigrations: async () => migrations },
+    }).migrateToLatest();
+    if (error) throw error;
+  } finally {
+    await db.destroy();
+  }
+
+  project.provide("database", database);
+};
+
+export const teardown = async () => {
+  await container?.stop();
+};

tests/setup/polyfills.ts

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+// Node.js 22 doesn't support base64 conversion of Uint8Array yet (latest Chromium does)
+
+if (!Uint8Array.prototype.toBase64) {
+  Uint8Array.prototype.toBase64 = function () {
+    return Buffer.from(this.buffer, this.byteOffset, this.byteLength).toString("base64");
+  };
+}
+
+if (!Uint8Array.fromBase64) {
+  Uint8Array.fromBase64 = (data: string) => {
+    return new Uint8Array(Buffer.from(data, "base64"));
+  };
+}

tests/setup/server.ts

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+import { mkdtemp } from "fs/promises";
+import { tmpdir } from "os";
+import { join } from "path";
+import { vi } from "vitest";
+
+const storagePath = await mkdtemp(join(tmpdir(), "arkvault-test-"));
+
+vi.mock("#lib/server/loadenv.js", async () => {
+  const { inject } = await import("vitest");
+  return {
+    default: {
+      nodeEnv: "test",
+      database: inject("database"),
+      session: { secret: "test-secret", exp: 14 * 24 * 3600 * 1000 },
+      challenge: { userClientExp: 5 * 60 * 1000, sessionUpgradeExp: 5 * 60 * 1000 },
+      libraryPath: join(storagePath, "library"),
+      thumbnailsPath: join(storagePath, "thumbnails"),
+    },
+  };
+});