const tag = require('..').templateTags[0];

function assertTemplate (args, expected) {
  return async function () {
    const result = await tag.run(null, ...args);
    expect(result).toBe(expected);
  };
}

function assertTemplateFails (args, expected) {
  return async function () {
    try {
      await tag.run(null, ...args);
      fail(`Render should have thrown ${expected}`);
    } catch (err) {
      expect(err.message).toContain(expected);
    }
  };
}

describe('Plugin', () => {
  // Algorithms
  it('hashes sha1', assertTemplate(
    ['sha1', 'hex', 'foo'],
    '0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33'
  ));
  it('hashes sha256', assertTemplate(
    ['sha256', 'hex', 'foo'],
    '2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae'
  ));
  it('hashes md5', assertTemplate(
    ['md5', 'hex', 'foo'],
    'acbd18db4cc2f85cedef654fccc4a4d8'
  ));
  it('fails to hash invalid algorithm', assertTemplateFails(
    ['bad', 'hex', 'foo'],
    'Digest method not supported'
  ));

  // Digests
  it('hashes to latin1', assertTemplate(
    ['md5', 'latin1', 'foo'],
    '¬½ÛLÂø\\íïeOÌĤØ'
  ));
  it('hashes to hex', assertTemplate(
    ['md5', 'hex', 'foo'],
    'acbd18db4cc2f85cedef654fccc4a4d8'
  ));
  it('hashes to base64', assertTemplate(
    ['md5', 'base64', 'foo'],
    'rL0Y20zC+Fzt72VPzMSk2A=='
  ));
  it('fails to hash to invalid', assertTemplateFails(
    ['md5', 'bad', 'foo'],
    'Invalid encoding bad. Choices are hex, latin1, base64'
  ));

  // Values
  it('hashes empty string', assertTemplate(
    ['md5', 'hex', ''],
    'd41d8cd98f00b204e9800998ecf8427e'
  ));
  it('hashes no string', assertTemplate(
    ['md5', 'hex'],
    'd41d8cd98f00b204e9800998ecf8427e'
  ));
  it('fails to hash non string', assertTemplateFails(
    ['md5', 'hex', true],
    'Cannot hash value of type "boolean"'
  ));
});