/// <summary>
/// Adds and configures chronoscope services on the host builder.
/// Multiple calls are cumulative.
/// </summary>
/// <param name="builder">The builder to extend.</param>
/// <param name="configure">The configuration action to apply</param>
/// <returns>The same host builder to allow chaining.</returns>
public static IHostBuilder UseChronoscope(this IHostBuilder builder, Action <HostBuilderContext, IChronoscopeBuilder> configure)
{
if (builder is null)
{
throw new ArgumentNullException(nameof(builder));
}
if (configure is null)
{
throw new ArgumentNullException(nameof(configure));
}
ChronoscopeBuilder chrono;
if (builder.Properties.TryGetValue(BuilderKey, out var value))
{
chrono = (ChronoscopeBuilder)value;
}
else
{
builder.Properties[BuilderKey] = chrono = new ChronoscopeBuilder(builder);
}
chrono.ConfigureChronoscope(configure);
return(builder);
}
public void UseChronoscopeUsesCurrentChronoscopeBuilder()
{
// arrange
IHostBuilder builder = Mock.Of <IHostBuilder>();
ChronoscopeBuilder cbuilder = new ChronoscopeBuilder(builder);
var properties = new Dictionary <object, object>()
{
{ nameof(ChronoscopeBuilder), cbuilder }
};
Mock.Get(builder).Setup(x => x.Properties).Returns(properties);
public void ConfigureServicesThrowsOnNullAction()
{
// arrange
var builder = Mock.Of <IHostBuilder>();
var cbuilder = new ChronoscopeBuilder(builder);
Action <HostBuilderContext, IServiceCollection> configure = null;
// act
var ex = Assert.Throws <ArgumentNullException>(() => cbuilder.ConfigureServices(configure));
// assert
Assert.Equal(nameof(configure), ex.ParamName);
}
