/// <summary>
/// Creates a new instance of an Astronomy Picture of the Day client, overriding the internal logic.
/// </summary>
/// <remarks>
/// This constructor can be used for overriding internal logic in the client.
/// The average user should not need to call this constructor.
/// </remarks>
/// <param name="apiKey">Your API key from https://api.nasa.gov.</param>
/// <param name="httpRequester">The <see cref="IHttpRequester"/> to use for interacting with the API.</param>
/// <param name="httpResponseParser">The <see cref="IHttpResponseParser"/> to use for parsing the data from the <paramref name="httpRequester"/>.</param>
/// <param name="errorHandler">The <see cref="IErrorHandler"/> to handle any errors with the request.</param>
/// <example>
/// See <a href="../examples/errorhandler.md">Override the IErrorHandler</a> for an example on how to implement and use any of these interfaces.
/// </example>
public ApodClient(string apiKey, IHttpRequester httpRequester = null, IHttpResponseParser httpResponseParser = null, IErrorHandler errorHandler = null)
{
_httpRequester = httpRequester ?? DefaultsFactory.GetHttpRequester(apiKey);
_httpResponseParser = httpResponseParser ?? DefaultsFactory.GetHttpResponseParser();
_errorHandler = errorHandler ?? DefaultsFactory.GetErrorHandler();
}
public void GetErrorHandler_NotNull()
{
var result = DefaultsFactory.GetErrorHandler();
Assert.NotNull(result);
}