akito0107/favalid

import * as assert from "power-assert";
import required from "../required";

describe("required", () => {
  test("strings", () => {
    const messager = () => "error";
    const result = required(messager)("str");
    assert.deepStrictEqual(result, {
      error: false,
      message: ""
    });
  });
  test("number", () => {
    const messager = () => "error";
    const result = required(messager)(123);
    assert.deepStrictEqual(result, {
      error: false,
      message: ""
    });
  });
  test("blank strings", () => {
    const messager = () => "error";
    const result = required(messager)("");
    assert.deepStrictEqual(result, {
      error: true,
      message: "error"
    });
  });
  test("white space strings", () => {
    const messager = () => "error";
    const result = required(messager)(" ");
    assert.deepStrictEqual(result, {
      error: true,
      message: "error"
    });
  });
  test("null value", () => {
    const messager = () => "error";
    const result = required(messager)(null);
    assert.deepStrictEqual(result, {
      error: true,
      message: "error"
    });
  });
  test("undefined value", () => {
    const messager = () => "error";
    const result = required(messager)(void 0);
    assert.deepStrictEqual(result, {
      error: true,
      message: "error"
    });
  });
  test("multiple value", () => {
    const messager = () => "error";
    const result = required(messager)(null, "hoge");
    assert.deepStrictEqual(result, {
      error: true,
      message: "error"
    });
  });
});