import execa from "execa";
import Builder from "../../src/build";
import fse, { readJSON } from "fs-extra";
import { join } from "path";
import { DEFAULT_LAMBDA_CODE_DIR } from "../../src/build";
import { cleanupDir } from "../test-utils";
import { OriginRequestDefaultHandlerManifest } from "../../src/types";
import { jest } from "@jest/globals";

jest.mock("execa");

describe("When public and static directories do not exist", () => {
  let defaultBuildManifest: OriginRequestDefaultHandlerManifest;
  let fseRemoveSpy: jest.SpyInstance;

  const fixturePath = join(
    __dirname,
    "./app-with-no-static-or-public-dir-fixture"
  );
  const outputDir = join(fixturePath, ".test_sls_next_output");

  beforeEach(async () => {
    const mockExeca = execa as jest.Mock;
    mockExeca.mockResolvedValueOnce();
    fseRemoveSpy = jest.spyOn(fse, "remove").mockImplementation(() => {
      return;
    });

    const builder = new Builder(fixturePath, outputDir);
    await builder.build();

    defaultBuildManifest = await readJSON(
      join(outputDir, `${DEFAULT_LAMBDA_CODE_DIR}/manifest.json`)
    );
  });

  afterEach(() => {
    fseRemoveSpy.mockRestore();
    return cleanupDir(outputDir);
  });

  it("does not put any public files in the build manifest", () => {
    expect(defaultBuildManifest.publicFiles).toEqual({});
  });
});