@yoroi/common/lib/commonjs/utils/monads.test.js

The Common package of Yoroi SDK

"use strict";

var _monads = require("./monads");
describe('Either helper functions', () => {
  describe('isLeft', () => {
    it('returns true if Either is Left', () => {
      const left = {
        tag: 'left',
        error: new Error('Error')
      };
      expect((0, _monads.isLeft)(left)).toBe(true);
    });
    it('returns false if Either is Right', () => {
      const right = {
        tag: 'right',
        value: 'Success'
      };
      expect((0, _monads.isLeft)(right)).toBe(false);
    });
  });
  describe('isRight', () => {
    it('returns true if Either is Right', () => {
      const right = {
        tag: 'right',
        value: 'Success'
      };
      expect((0, _monads.isRight)(right)).toBe(true);
    });
    it('returns false if Either is Left', () => {
      const left = {
        tag: 'left',
        error: new Error('Error')
      };
      expect((0, _monads.isRight)(left)).toBe(false);
    });
  });
});
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