public void LoggerProviderDoesNotWriteLogMessagesBelowMinimumLevel()
{
var testTestOutputHelper = new TestTestOutputHelper();
var loggerFactory = TestLoggerBuilder.Create(builder => builder
.AddXunit(testTestOutputHelper, LogLevel.Warning));
var logger = loggerFactory.CreateLogger("TestCategory");
logger.LogInformation("This is some great information");
logger.LogError("This is a bad error");
Assert.Equal("| TestCategory Error: This is a bad error" + Environment.NewLine, testTestOutputHelper.Output);
}
public void LoggerProviderDoesNotThrowIfOutputHelperThrows()
{
var testTestOutputHelper = new TestTestOutputHelper();
var loggerFactory = TestLoggerBuilder.Create(builder => builder
.AddXunit(testTestOutputHelper));
testTestOutputHelper.Throw = true;
var logger = loggerFactory.CreateLogger("TestCategory");
logger.LogInformation("This is a" + Environment.NewLine + "multi-line" + Environment.NewLine + "message");
Assert.Equal(0, testTestOutputHelper.Output.Length);
}
public void TestLogWritesToITestOutputHelper()
{
var output = new TestTestOutputHelper();
var assemblyLog = AssemblyTestLog.Create("NonExistant.Test.Assembly", baseDirectory: null);
using (assemblyLog.StartTestLog(output, "NonExistant.Test.Class", out var loggerFactory))
{
var logger = loggerFactory.CreateLogger("TestLogger");
logger.LogInformation("Information!");
}
Assert.Equal(@"| TestLifetime Information: Starting test TestLogWritesToITestOutputHelper
| TestLogger Information: Information!
| TestLifetime Information: Finished test TestLogWritesToITestOutputHelper in DURATION
", MakeConsistent(output.Output));
}
public void LoggerProviderPrependsPrefixToEachLine()
{
var testTestOutputHelper = new TestTestOutputHelper();
var loggerFactory = TestLoggerBuilder.Create(builder => builder
.AddXunit(testTestOutputHelper));
var logger = loggerFactory.CreateLogger("TestCategory");
logger.LogInformation("This is a" + Environment.NewLine + "multi-line" + Environment.NewLine + "message");
var expectedOutput =
"| TestCategory Information: This is a" + Environment.NewLine +
"| multi-line" + Environment.NewLine +
"| message" + Environment.NewLine;
Assert.Equal(expectedOutput, testTestOutputHelper.Output);
}
public void LoggerProviderPrependsPrefixToEachLine()
{
var testTestOutputHelper = new TestTestOutputHelper();
var loggerFactory = TestLoggerBuilder.Create(builder => builder
.AddXunit(testTestOutputHelper));
var logger = loggerFactory.CreateLogger("TestCategory");
logger.LogInformation("This is a" + Environment.NewLine + "multi-line" + Environment.NewLine + "message");
// The lines after the first one are indented more because the indentation was calculated based on the timestamp's actual length.
var expectedOutput =
"| [TIMESTAMP] TestCategory Information: This is a" + Environment.NewLine +
"| multi-line" + Environment.NewLine +
"| message" + Environment.NewLine;
Assert.Equal(expectedOutput, MakeConsistent(testTestOutputHelper.Output));
}
public void LoggerProviderWritesToTestOutputHelper()
{
var testTestOutputHelper = new TestTestOutputHelper();
var loggerFactory = TestLoggerBuilder.Create(builder => builder
.SetMinimumLevel(LogLevel.Trace)
.AddXunit(testTestOutputHelper));
var logger = loggerFactory.CreateLogger("TestCategory");
logger.LogInformation("This is some great information");
logger.LogTrace("This is some unimportant information");
var expectedOutput =
"| TestCategory Information: This is some great information" + Environment.NewLine +
"| TestCategory Trace: This is some unimportant information" + Environment.NewLine;
Assert.Equal(expectedOutput, testTestOutputHelper.Output);
}
public void TestLogWritesToITestOutputHelper()
{
var output = new TestTestOutputHelper();
var assemblyLog = AssemblyTestLog.Create("NonExistant.Test.Assembly", baseDirectory: null);
using (assemblyLog.StartTestLog(output, "NonExistant.Test.Class", out var loggerFactory))
{
var logger = loggerFactory.CreateLogger("TestLogger");
logger.LogInformation("Information!");
// Trace is disabled by default
logger.LogTrace("Trace!");
}
Assert.Equal(@"[TIMESTAMP] TestLifetime Information: Starting test TestLogWritesToITestOutputHelper
[TIMESTAMP] TestLogger Information: Information!
[TIMESTAMP] TestLifetime Information: Finished test TestLogWritesToITestOutputHelper in DURATION
", MakeConsistent(output.Output), ignoreLineEndingDifferences: true);
}