"use strict";

const { run } = require("../../../utils/test-utils");

describe("mode flags", () => {
  it("should not set mode=production by default", async () => {
    const { exitCode, stderr, stdout } = await run(__dirname);

    expect(exitCode).toBe(0);
    expect(stderr).toBeFalsy();
    expect(stdout).not.toContain("mode: 'production'");
    expect(stdout).toContain(
      "The 'mode' option has not been set, webpack will fallback to 'production' for this value.",
    );
  });

  it("should load a development config when --mode=development is passed", async () => {
    const { exitCode, stderr, stdout } = await run(__dirname, ["--mode", "development"]);

    expect(exitCode).toBe(0);
    expect(stderr).toBeFalsy();
    expect(stdout).toContain("mode: 'development'");
  });

  it("should load a production config when --mode=production is passed", async () => {
    const { exitCode, stderr, stdout } = await run(__dirname, ["--mode", "production"]);

    expect(exitCode).toBe(0);
    expect(stderr).toBeFalsy();
    expect(stdout).toContain("mode: 'production'");
  });

  it("should load a none config when --mode=none is passed", async () => {
    const { exitCode, stderr, stdout } = await run(__dirname, ["--mode", "none"]);

    expect(exitCode).toBe(0);
    expect(stderr).toBeFalsy();
    expect(stdout).toContain("mode: 'none'");
  });

  it("should pick mode form NODE_ENV", async () => {
    const { exitCode, stderr, stdout } = await run(__dirname, [], {
      env: { NODE_ENV: "development" },
    });

    expect(exitCode).toBe(0);
    expect(stderr).toBeFalsy();
    expect(stdout).toContain("mode: 'development'");
  });

  it("should throw error when --mode=abcd is passed", async () => {
    const { exitCode, stderr, stdout } = await run(__dirname, ["--mode", "abcd"]);

    expect(exitCode).toBe(2);
    expect(stderr).toContain("Invalid value 'abcd' for the '--mode' option");
    expect(stderr).toContain("Expected: 'development | production | none'");
    expect(stdout).toBeFalsy();
  });
});
