public void Log_GivenFormattedMessage_ThenMessageShouldBeFormatted()
{
var subject = new TestableLogger();
const string name = "Fred";
subject.LogInformation("My name is {Name}.", name);
Assert.That(subject.LogEntries[0].Message, Is.EqualTo("My name is Fred."));
}
public void Log_GivenLogEntries_ThenAllAreSavedInOutput(LogLevel logLevel, string expected)
{
var subject = new TestableLogger();
switch (logLevel)
{
case LogLevel.Critical:
subject.LogCritical("Critical error occurred.");
break;
case LogLevel.Trace:
subject.LogTrace("Starting the test.");
break;
case LogLevel.Debug:
subject.LogDebug("Additional information.");
break;
case LogLevel.Information:
subject.LogInformation("Finished test.");
break;
case LogLevel.Warning:
subject.LogWarning("Test results inconclusive.");
break;
case LogLevel.Error:
subject.LogError("An error occurred.");
break;
default:
throw new ArgumentOutOfRangeException(nameof(logLevel), logLevel, null);
}
Assert.That(subject.LogEntries.Count, Is.EqualTo(1));
Assert.That(subject.LogEntries[0].LogLevel, Is.EqualTo(logLevel));
Assert.That(subject.LogEntries[0].Message, Is.EqualTo(expected));
}