public void EventIdWrittenToEventLogUsesDefaultIfSpecified()
{
// Arrange
var loggerName = "Test";
var expectedMessage = "Category: " + loggerName + Environment.NewLine +
"EventId: 1" + Environment.NewLine + Environment.NewLine +
"Message" + Environment.NewLine;
var testEventLog = new TestEventLog(expectedMessage.Length)
{
DefaultEventId = 1034
};
var logger = new EventLogLogger(loggerName, new EventLogSettings()
{
EventLog = testEventLog
}, new LoggerExternalScopeProvider());
// Act
logger.LogInformation(new EventId(1, "FooEvent"), "Message");
// Assert
Assert.Single(testEventLog.Messages);
Assert.Equal(expectedMessage, testEventLog.Messages[0]);
Assert.Equal(1034, testEventLog.Entries[0].EventId);
}
public void Message_WritesFullMessageWithScopes()
{
// Arrange
var loggerName = "Test";
var maxMessageSize = 50 + loggerName.Length + Environment.NewLine.Length;
var expectedMessage = loggerName + Environment.NewLine +
"Message" + Environment.NewLine +
"Outer Scope" + Environment.NewLine +
"Inner Scope";
var testEventLog = new TestEventLog(maxMessageSize);
var logger = new EventLogLogger(loggerName, new EventLogSettings()
{
EventLog = testEventLog
});
// Act
using (logger.BeginScope("Outer Scope"))
using (logger.BeginScope("Inner Scope"))
{
logger.LogInformation("Message");
}
// Assert
Assert.Single(testEventLog.Messages);
Assert.Equal(expectedMessage, testEventLog.Messages[0]);
}
public void Message_WritesFullMessageWithScopes()
{
// Arrange
var loggerName = "Test";
var expectedMessage = "Category: " + loggerName + Environment.NewLine +
"EventId: 0" + Environment.NewLine +
"Outer Scope" + Environment.NewLine +
"Inner Scope" + Environment.NewLine + Environment.NewLine +
"Message" + Environment.NewLine;
var testEventLog = new TestEventLog(expectedMessage.Length);
var logger = new EventLogLogger(loggerName, new EventLogSettings()
{
EventLog = testEventLog
}, new LoggerExternalScopeProvider());
// Act
using (logger.BeginScope("Outer Scope"))
using (logger.BeginScope("Inner Scope"))
{
logger.LogInformation("Message");
}
// Assert
Assert.Single(testEventLog.Messages);
Assert.Equal(expectedMessage, testEventLog.Messages[0]);
}
public void MessageExceedingMaxSize_WritesSplitMessages(int messageSize, string[] expectedMessages)
{
// Arrange
var loggerName = "Test";
var maxMessageSize = 10;
var message = new string('a', messageSize);
var testEventLog = new TestEventLog(maxMessageSize);
var logger = new EventLogLogger(loggerName, new EventLogSettings()
{
EventLog = testEventLog
});
// Act
logger.LogInformation(message);
// Assert
Assert.Equal(expectedMessages.Length, testEventLog.Messages.Count);
Assert.Equal(expectedMessages, testEventLog.Messages);
}
public void MessageWithinMaxSize_WritesFullMessage(int messageSize)
{
// Arrange
var loggerName = "Test";
var maxMessageSize = 50 + loggerName.Length + Environment.NewLine.Length;
var message = new string('a', messageSize);
var expectedMessage = loggerName + Environment.NewLine + message;
var testEventLog = new TestEventLog(maxMessageSize);
var logger = new EventLogLogger(loggerName, new EventLogSettings()
{
EventLog = testEventLog
});
// Act
logger.LogInformation(message);
// Assert
Assert.Single(testEventLog.Messages);
Assert.Equal(expectedMessage, testEventLog.Messages[0]);
}
public void MessageExceedingMaxSize_WritesSplitMessages(int messageSize, string[] expectedMessages)
{
// Arrange
var headerLength = "EventId: 0".Length + "Category: ".Length;
var loggerName = "Test";
var maxMessageSize = headerLength + loggerName.Length + Environment.NewLine.Length * 3;
var message = new string('a', messageSize);
var testEventLog = new TestEventLog(maxMessageSize);
var logger = new EventLogLogger(loggerName, new EventLogSettings()
{
EventLog = testEventLog
}, new LoggerExternalScopeProvider());
// Act
logger.LogInformation(message);
// Assert
Assert.Equal(expectedMessages.Length, testEventLog.Messages.Count);
Assert.Equal(expectedMessages, testEventLog.Messages);
}
public void Message_WritesFullMessageWithScopes()
{
// Arrange
var loggerName = "Test";
var expectedMessage = "Category: " + loggerName + Environment.NewLine +
"EventId: 0" + Environment.NewLine +
"Outer Scope" + Environment.NewLine +
"Inner Scope" + Environment.NewLine +
"K1: V1" + Environment.NewLine +
"K2: " + Environment.NewLine +
"K3: " + Environment.NewLine +
Environment.NewLine +
"Message" + Environment.NewLine;
var testEventLog = new TestEventLog(expectedMessage.Length);
var logger = new EventLogLogger(loggerName, new EventLogSettings()
{
EventLog = testEventLog
}, new LoggerExternalScopeProvider());
var scopeWithValues = new Dictionary <string, object>
{
{ "K1", "V1" },
{ "K2", "" },
{ "K3", null },
};
// Act
using (logger.BeginScope("Outer Scope"))
using (logger.BeginScope("Inner Scope"))
using (logger.BeginScope(scopeWithValues))
using (logger.BeginScope((object)null))
{
logger.LogInformation("Message");
}
// Assert
Assert.Single(testEventLog.Messages);
Assert.Equal(expectedMessage, testEventLog.Messages[0]);
}
public void MessageWithinMaxSize_WritesFullMessage(int messageSize)
{
var headerLength = "EventId: 0".Length + "Category: ".Length;
// Arrange
var loggerName = "Test";
var maxMessageSize = 50 + headerLength + loggerName.Length + Environment.NewLine.Length * 4;
var message = new string('a', messageSize);
var expectedMessage = "Category: " + loggerName + Environment.NewLine +
"EventId: 0" + Environment.NewLine + Environment.NewLine +
message + Environment.NewLine;
var testEventLog = new TestEventLog(maxMessageSize);
var logger = new EventLogLogger(loggerName, new EventLogSettings()
{
EventLog = testEventLog
}, new LoggerExternalScopeProvider());
// Act
logger.LogInformation(message);
// Assert
Assert.Single(testEventLog.Messages);
Assert.Equal(expectedMessage, testEventLog.Messages[0]);
}