public void Expected_Service()
{
// Arrange
var services = new ServiceCollection();
var builder = new CachedOptionsBuilder();
builder.AddService(new FakeBuilder());
// Act
builder.Build(services);
ServiceProvider provider = services.BuildServiceProvider();
// Assert
Assert.Equal("cached service", (string)provider.GetService <object>());
}
public void Without_Removing_PreExisting_Service()
{
// Arrange
var services = new ServiceCollection();
services.AddScoped <string, string>(provider => "preconditioned");
var builder = new CachedOptionsBuilder();
builder.AddService(new FakeBuilder());
// Act
builder.Build(services);
// Assert
Assert.Equal(2, services.Count);
}