public void OAuth_PostOAuthRefresh()
{
// ARRANGE
string clientId = "GS36SG653FDAY", clientSecret = "H7BD5D6G56", grand = "pw", refreshToken = "things";
IRequestBuilder builder = new DracoonRequestBuilder(FactoryClients.OAuthMock);
RestRequest expected = FactoryRestSharp.RestRequestWithoutAuth(OAuthConfig.OAuthPostRefreshToken, Method.POST);
expected.AddHeader("Authorization", "Basic " + Convert.ToBase64String(Encoding.UTF8.GetBytes(clientId + ":" + clientSecret)));
expected.AddParameter("grant_type", grand, ParameterType.GetOrPost);
expected.AddParameter("refresh_token", refreshToken, ParameterType.GetOrPost);
// ACT
IRestRequest actual = builder.PostOAuthRefresh(clientId, clientSecret, grand, refreshToken);
// ASSERT
Assert.Equal(expected, actual, new RestRequestComparer());
}