Class FailingWriteFs

packages/shell/src/tests/memory.test.ts:825–924

});

class FailingWriteFs {
  constructor(
    private readonly inner: InMemoryFs,
    private readonly failPath: string
  ) {}

  async readFile(path: string) {
    return this.inner.readFile(path);
  }

  async readFileBytes(path: string) {
    return this.inner.readFileBytes(path);
  }

  async writeFile(path: string, content: string) {
    if (path === this.failPath) {
      throw new Error(`simulated write failure: ${path}`);
    }
    return this.inner.writeFile(path, content);
  }

  async writeFileBytes(path: string, content: Uint8Array) {
    if (path === this.failPath) {
      throw new Error(`simulated write failure: ${path}`);
    }
    return this.inner.writeFileBytes(path, content);
  }

  async appendFile(path: string, content: string | Uint8Array) {
    return this.inner.appendFile(path, content);
  }

  async exists(path: string) {
    return this.inner.exists(path);
  }

  async stat(path: string) {
    return this.inner.stat(path);
  }

  async lstat(path: string) {
    return this.inner.lstat(path);
  }

  async mkdir(path: string, options?: { recursive?: boolean }) {
    return this.inner.mkdir(path, options);
  }

  async readdir(path: string) {
    return this.inner.readdir(path);
  }

  async readdirWithFileTypes(path: string) {
    return this.inner.readdirWithFileTypes(path);
  }

  async rm(path: string, options?: { recursive?: boolean; force?: boolean }) {
    return this.inner.rm(path, options);