public void EnsuresNonNullArguments()
{
var gitHubClient = Substitute.For <IGitHubClient>();
var client = new ObservableRepositoryContentsClient(gitHubClient);
Assert.Throws <ArgumentNullException>(() => client.GetReadmeHtml(null, "name"));
Assert.Throws <ArgumentNullException>(() => client.GetReadmeHtml("owner", null));
Assert.Throws <ArgumentException>(() => client.GetReadmeHtml("", "name"));
Assert.Throws <ArgumentException>(() => client.GetReadmeHtml("owner", ""));
}
public async Task ReturnsReadmeHtmlWithRepositoryId()
{
var connection = Substitute.For <IConnection>();
var gitHubClient = new GitHubClient(connection);
var contentsClient = new ObservableRepositoryContentsClient(gitHubClient);
IApiResponse <string> apiResponse = new ApiResponse <string>(new Response(), "<html>README</html>");
connection.GetHtml(Args.Uri, null).Returns(Task.FromResult(apiResponse));
var readme = await contentsClient.GetReadmeHtml(1);
connection.Received().GetHtml(Arg.Is <Uri>(u => u.ToString() == "repositories/1/readme"), null);
Assert.Equal("<html>README</html>", readme);
}