public void Constructors()
{
Assert.Throws<ArgumentNullException>(() => new ApiCaller(ApiDataFormat.Xml, null));
Assert.Throws<ArgumentException>(() => new ApiCaller(ApiDataFormat.Xml, string.Empty));
var caller = new ApiCaller(ApiDataFormat.Xml, "apiToken", "appToken");
Assert.Equal("apiToken", caller.ApiToken);
Assert.Equal("appToken", caller.AppToken);
Assert.Equal(ApiDataFormat.Xml, caller.Format);
Assert.True(caller.Field("jsonSerializer").To<ISerializer>() is RuLawJsonSerializer);
Assert.True(caller.Field("jsonDeserializer").To<IDeserializer>() is RuLawJsonDeserializer);
Assert.True(caller.Field("xmlSerializer").To<ISerializer>() is RuLawXmlSerializer);
Assert.True(caller.Field("xmlDeserializer").To<IDeserializer>() is RuLawXmlDeserializer);
var client = caller.Field("restClient").To<RestClient>();
Assert.Equal("http://api.duma.gov.ru/api", client.BaseUrl.ToString());
var token = client.DefaultParameters.FirstOrDefault(x => x.Name == "app_token");
Assert.NotNull(token);
Assert.Equal("appToken", token.Value);
}