public void GetAllDiagnosticInfo_ShouldReturnDiagnosticInfoFromAllRegisteredProviders()
{
// Arrange
var diagnosticInfo1 = GetRandomDiagnosticInfo();
var diagnosticInfo2 = GetRandomDiagnosticInfo();
var diagnosticInfo3 = GetRandomDiagnosticInfo();
var diagnosticInfo4 = GetRandomDiagnosticInfo();
var diagnosticInfo5 = GetRandomDiagnosticInfo();
var provider1 = Substitute.For <IDiagnosticInfoProvider>();
var provider2 = Substitute.For <IDiagnosticInfoProvider>();
var provider3 = Substitute.For <IDiagnosticInfoProvider>();
provider1.GetDiagnosticInfo().Returns(new[] { diagnosticInfo1, diagnosticInfo2 });
provider2.GetDiagnosticInfo().Returns(new[] { diagnosticInfo3, diagnosticInfo4 });
provider3.GetDiagnosticInfo().Returns(new[] { diagnosticInfo5 });
var aggregatedDiagnosticInfoProvider = new AggregatedDiagnosticInfoProvider();
aggregatedDiagnosticInfoProvider.Register(provider1);
aggregatedDiagnosticInfoProvider.Register(provider2);
aggregatedDiagnosticInfoProvider.Register(provider3);
// Act
var actual = aggregatedDiagnosticInfoProvider.GetAllDiagnosticInfo();
// Assert
Assert.That(actual, Is.EquivalentTo(new[] { diagnosticInfo1, diagnosticInfo2, diagnosticInfo3, diagnosticInfo4, diagnosticInfo5 }));
}
public void GetAllDiagnosticInfo_ShouldReturnEmptyEnumerable_WhenNoProviderWasRegistered()
{
// Arrange
var aggregatedDiagnosticInfoProvider = new AggregatedDiagnosticInfoProvider();
// Act
var actual = aggregatedDiagnosticInfoProvider.GetAllDiagnosticInfo();
// Assert
Assert.That(actual, Is.Empty);
}