const resolve = require('../../lib/credentials/resolve');
const fs = require('fs');

describe('resolve', function () {
  let pfx, cert, key;
  before(function () {
    pfx = fs.readFileSync('test/support/initializeTest.pfx');
    cert = fs.readFileSync('test/support/initializeTest.crt');
    key = fs.readFileSync('test/support/initializeTest.key');
  });

  it('returns PEM string as supplied', function () {
    expect(resolve(cert.toString())).to.be.a('string').and.to.equal(cert.toString());
  });

  it('returns Buffer as supplied', function () {
    expect(resolve(pfx)).to.satisfy(Buffer.isBuffer).and.to.equal(pfx);
  });

  describe('with file path', function () {
    it('returns a Buffer for valid path', function () {
      return expect(resolve('test/support/initializeTest.key')).to.satisfy(Buffer.isBuffer);
    });

    it('returns contents for value path', function () {
      return expect(resolve('test/support/initializeTest.key').toString()).to.equal(key.toString());
    });

    it('throws for invalid path', function () {
      return expect(() => {
        resolve('test/support/fail/initializeTest.key');
      }).to.throw;
    });
  });

  it('returns null/undefined as supplied', function () {
    expect(resolve(null)).to.be.null;
    expect(resolve()).to.be.undefined;
  });
});