public async Task EnsuresNonNullArguments()
{
var client = new ObservableProjectsClient(Substitute.For <IGitHubClient>());
var newProject = new NewProject("someName");
await Assert.ThrowsAsync <ArgumentNullException>(() => client.CreateForRepository(1, null).ToTask());
}
public void PostsToCorrectURL()
{
var gitHubClient = Substitute.For <IGitHubClient>();
var client = new ObservableProjectsClient(gitHubClient);
var newProject = new NewProject("someName");
client.CreateForRepository(1, newProject);
gitHubClient.Repository.Project.Received().CreateForRepository(1, newProject);
}