public void Constructor_WithDuplicateProvider_ThrowsException()
{
// Arrange
var validThreshold = LoggingEventType.Critical;
LoggingProviderBase validFallbackProvider = null;
LoggingProviderBase provider = new FakeLoggingProvider();
LoggingProviderBase[] invalidProviderList = new[] { provider, provider };
try
{
// Act
new CompositeLoggingProvider(validThreshold, validFallbackProvider, invalidProviderList);
// Assert
Assert.Fail("Exception expected.");
}
catch (Exception ex)
{
Assert.IsInstanceOfType(ex, typeof(ArgumentException));
var msg = ex.Message;
Assert.IsTrue(msg.Contains("providers"), "Message should contain argument name.");
Assert.IsTrue(msg.Contains("collection contains") && msg.Contains("duplicate references"),
"Message should be descriptive enough. Actual message: " + msg);
}
}
public void Constructor_WithInvalidThreshold_ThrowsException()
{
var invalidThreshold = (LoggingEventType)(-1);
LoggingProviderBase validFallbackProvider = null;
LoggingProviderBase validProvider = new FakeLoggingProvider();
// Act
new CompositeLoggingProvider(invalidThreshold, validFallbackProvider, validProvider);
}
public void Constructor_WithValidArguments_Succeeds()
{
// Arrange
var validThreshold = LoggingEventType.Critical;
LoggingProviderBase validFallbackProvider = null;
LoggingProviderBase validProvider = new FakeLoggingProvider();
// Act
new CompositeLoggingProvider(validThreshold, validFallbackProvider, validProvider);
}
public void Constructor_WithMultipleProviders_Succeeds()
{
// Arrange
var validThreshold = LoggingEventType.Critical;
LoggingProviderBase validFallbackProvider = null;
LoggingProviderBase provider1 = new FakeLoggingProvider();
LoggingProviderBase provider2 = new FakeLoggingProvider();
// Act
new CompositeLoggingProvider(validThreshold, validFallbackProvider, provider1, provider2);
}
