public void SimpleInjectorBootstrapper_ShouldCreateAContainer_WithILoggerRegistered()
{
// arrange
_container.Verify(VerificationOption.VerifyOnly);
string expectedLoggerObjectGraph = "SimpleLogger()";
// act
InstanceProducer loggerInstanceProducer = _container.GetRegistration(typeof(ILogger));
string actualLoggerObjectGraph = loggerInstanceProducer.VisualizeObjectGraph();
// assert
DiagnosticResult[] diagnosticResults = Analyzer.Analyze(_container);
diagnosticResults.Length.Should().Be(0);
expectedLoggerObjectGraph.Should().Be(actualLoggerObjectGraph);
}
public void VisualizeObjectGraph_WhenCalledBeforeInstanceIsCreated_ThrowsAnInvalidOperationException()
{
// Arrange
var container = new Container();
container.Register <RealTimeProvider>();
InstanceProducer producer = container.GetRegistration(typeof(RealTimeProvider));
// Act
Action action = () => producer.VisualizeObjectGraph();
// Assert
AssertThat.Throws <InvalidOperationException>(action,
"When the instance hasn't been created or the Expression hasn't been built, there's not yet " +
"enough information to visualize the object graph. Instead of returning an incorrect result " +
"we expect the library to throw an exception here.");
}