const APNKey = require('../../../lib/credentials/certificate/APNKey');
const forge = require('node-forge');
const fs = require('fs');

describe('APNKey', function () {
  it('initialises with a node-forge public key', function () {
    expect(new APNKey({ n: 12345, e: 65536 })).to.be.an.instanceof(APNKey);
  });

  describe('throws', function () {
    it('missing modulus', function () {
      expect(function () {
        new APNKey({ e: 65536 });
      }).to.throw('key is not a valid public key');
    });

    it('missing exponent', function () {
      expect(function () {
        new APNKey({ n: 12345 });
      }).to.throw('key is not a valid public key');
    });

    it('undefined', function () {
      expect(function () {
        new APNKey();
      }).to.throw('key is not a valid public key');
    });
  });

  describe('fingerprint', function () {
    it('returns the fingerprint of the public key', function () {
      const keyPem = fs.readFileSync('test/credentials/support/key.pem');
      const apnKey = new APNKey(forge.pki.decryptRsaPrivateKey(keyPem));
      expect(apnKey.fingerprint()).to.equal('2d594c9861227dd22ba5ae37cc9354e9117a804d');
    });
  });
});