public void Retrieve_the_number_of_sources()
{
var lp = new LogProvider();
var logSource = new StubLogSource();
lp.AddLogSourceToLoggers(logSource);
Assert.Equal(lp.GetSources().Count(), 1);
}
public void Specify_and_invalid_logId()
{
var lp = new LogProvider();
var stringWriter = new StringWriter();
var sut = new TextWriterLogger(LogLevel.Informational, stringWriter);
lp.AddLogger(sut);
var logSource = new StubLogSource();
lp.AddLogSourceToLoggers(logSource);
Assert.Throws <ApplicationException>(() => logSource.InvalidLogId());
}
public void Ensure_that_informational_message_are_filtered_for_warning_level_logger()
{
var sut = new LogProvider();
var mockLogger = new MockLogger();
sut.AddLogger(mockLogger);
var logSource = new StubLogSource();
sut.AddLogSourceToLoggers(logSource);
logSource.SayHelloTo("John");
Assert.Null(mockLogger.LastLoggedEvent);
}
public void Ensure_that_by_adding_logsource_and_logger_we_have_a_consistent_state()
{
var sut = new LogProvider();
var mockLogger = new MockLogger();
sut.AddLogger(mockLogger);
var logSource = new StubLogSource();
sut.AddLogSourceToLoggers(logSource);
var consoleLogger = new ConsoleLogger(LogLevel.Informational);
sut.AddLogger(consoleLogger);
Assert.Equal(logSource.Loggers.Count, 2);
}
public void Log_a_critical_message()
{
var sut = new LogProvider();
var mockLogger = new MockLogger();
sut.AddLogger(mockLogger);
var logSource = new StubLogSource();
sut.AddLogSourceToLoggers(logSource);
logSource.SayPayAttentionTo("Dean");
Assert.True(mockLogger.LastLoggedEvent.Message.Contains("Dean"));
Assert.True(mockLogger.LastLoggedEvent.Level == LogLevel.Critical);
Assert.True(mockLogger.LastLoggedEvent.SourceName.Equals(logSource.Name, StringComparison.Ordinal));
}
public void Test_text_writer_logger()
{
var lp = new LogProvider();
var stringWriter = new StringWriter();
var sut = new TextWriterLogger(LogLevel.Informational, stringWriter);
lp.AddLogger(sut);
var logSource = new StubLogSource();
lp.AddLogSourceToLoggers(logSource);
logSource.SayHelloTo("John");
lp.Dispose();
Assert.True(stringWriter.GetStringBuilder().ToString().Contains("John"));
}
public void Ensure_that_only_one_instance_of_every_logger_is_added()
{
var sut = new LogProvider();
var mockLogger = new MockLogger();
sut.AddLogger(mockLogger);
// add the same instance again
sut.AddLogger(mockLogger);
var logSource = new StubLogSource();
sut.AddLogSourceToLoggers(logSource);
logSource.SayPayAttentionTo("John");
Assert.Equal(mockLogger.NumOfLoggedEvents, 1);
}