run-pace/test/parse-argv-test.js

Calculate running pace

"use strict";

const expect = require("chai").expect;
const parseArgv = require("../lib/parse-argv.js");

const baseArgs = [ "/path/to/node", "/path/to/script.js" ];

describe("parseArgv", () => {
  it("incorrect argv", () => {
    const result = parseArgv.bind(null);
    expect(result).to.throw(Error, "Argv is malformed");
  });

  it("incorrect flags object", () => {
    const result = parseArgv.bind(null, baseArgs, "incorrect");
    expect(result).to.throw(Error, "Flags is malformed");
  });

  it("unrecognized argument", () => {
    const argv = baseArgs.concat([ "--invalid" ]);
    const flags = [];
    const result = parseArgv.bind(null, argv, flags);
    expect(result).to.throw(Error, "Unrecognized argument: --invalid");
  });

  it("unrecognized argument", () => {
    const argv = baseArgs.concat([ "invalid" ]);
    const flags = [];
    const result = parseArgv.bind(null, argv, flags);
    expect(result).to.throw(Error, "Unrecognized argument: invalid");
  });

  it("short form", () => {
    const argv = baseArgs.concat([
      "-a",
      "-bBB",
      "-d=ddd",
      "-g",
      "GAMMA",
    ]);
    const flags = [
      { short: "a", long: "alpha" },
      { short: "b", long: "beta" },
      { short: "d", long: "delta" },
      { short: "g", long: "gamma" },
    ];
    const result = parseArgv(argv, flags);
    expect(result).to.deep.equal({
      alpha: true,
      beta: "BB",
      delta: "ddd",
      gamma: "GAMMA",
    });
  });

  it("long form", () => {
    const argv = baseArgs.concat([
      "--alpha",
      "--betaBB",
      "--delta=ddd",
      "--gamma",
      "GAMMA",
    ]);
    const flags = [
      { short: "a", long: "alpha" },
      { short: "b", long: "beta" },
      { short: "d", long: "delta" },
      { short: "g", long: "gamma" },
    ];
    const result = parseArgv(argv, flags);
    expect(result).to.deep.equal({
      alpha: true,
      beta: "BB",
      delta: "ddd",
      gamma: "GAMMA",
    });
  });

  it("short form, boolean last parameter", () => {
    const argv = baseArgs.concat([
      "-aA",
      "-b",
    ]);
    const flags = [
      { short: "a", long: "alpha" },
      { short: "b", long: "beta" },
    ];
    const result = parseArgv(argv, flags);
    expect(result).to.deep.equal({
      alpha: "A",
      beta: true,
    });
  });
});