public void TestWithMockLogger()
{
var loggerMock = new Mock <ILogger <CalculationService> >();
var svc = new CalculationService(loggerMock.Object);
var result = svc.AddTwoPositiveNumbers(1, 2);
Assert.AreEqual(3, result);
loggerMock.Verify(
m => m.Log(
LogLevel.Information,
It.IsAny <EventId>(),
It.Is <It.IsAnyType>((v, _) => v.ToString().Contains("Adding 1 and 2")),
null,
It.IsAny <Func <It.IsAnyType, Exception, string> >()),
Times.Once);
result = svc.AddTwoPositiveNumbers(-1, 1);
Assert.AreEqual(0, result);
loggerMock.Verify(
m => m.Log(
LogLevel.Error,
It.IsAny <EventId>(),
It.Is <It.IsAnyType>((v, _) => v.ToString().Contains("Arguments should be both positive.")),
null,
It.IsAny <Func <It.IsAnyType, Exception, string> >()),
Times.Once);
}
public void TestWithMockLogger()
{
var loggerMock = new Mock <ILogger <CalculationService> >();
var svc = new CalculationService(loggerMock.Object);
var result = svc.AddTwoPositiveNumbers(1, 2);
Assert.AreEqual(3, result);
loggerMock.VerifyLog(LogLevel.Information, "Adding 1 and 2");
result = svc.AddTwoPositiveNumbers(-1, 1);
Assert.AreEqual(0, result);
loggerMock.VerifyLog(LogLevel.Error, "Arguments should be both positive.", Times.Once());
}
public void TestWithNullLogger()
{
var svc = new CalculationService(new NullLogger <CalculationService>());
var result = svc.AddTwoPositiveNumbers(1, 2);
Assert.AreEqual(3, result);
}
public void Test2()
{
var serviceProvider = new ServiceCollection()
.AddLogging()
.BuildServiceProvider();
var svcLogger = serviceProvider.GetService<ILoggerFactory>().CreateLogger<CalculationService>();
var svc = new CalculationService(svcLogger);
var result = svc.AddTwoPositiveNumbers(2,3);
Assert.AreEqual(5, result);
}
public void TestWithDependencyInjectionLogger()
{
var services = new ServiceCollection()
.AddLogging(config => config.AddConsole()) // can add any logger(s)
.BuildServiceProvider();
using var loggerFactory = services.GetRequiredService <ILoggerFactory>();
var svc = new CalculationService(loggerFactory.CreateLogger <CalculationService>());
var result = svc.AddTwoPositiveNumbers(1, 2);
Assert.AreEqual(3, result);
}
public void TestWithConsoleLogger()
{
using var loggerFactory = LoggerFactory.Create(builder => builder.AddConsole());
var logger = loggerFactory.CreateLogger <CalculationService>();
var svc = new CalculationService(logger);
var result = svc.AddTwoPositiveNumbers(1, 2);
Assert.AreEqual(3, result);
// If you are using .NET Core 2.1.
//using (var loggerFactory = new LoggerFactory().AddConsole()) // Need to use "using" in order to flush Console output
//{
// var logger = loggerFactory.CreateLogger<CalculationService>();
// var svc = new CalculationService(logger);
// var result = svc.AddTwoPositiveNumbers(1, 2);
// Assert.AreEqual(3, result);
//}
}
public void TestWithConsoleLogger()
{
using (var loggerFactory = new LoggerFactory().AddConsole()) // Need to use "using" in order to flush Console output
{
var logger = loggerFactory.CreateLogger <CalculationService>();
var svc = new CalculationService(logger);
var result = svc.AddTwoPositiveNumbers(1, 2);
Assert.AreEqual(3, result);
}
// The loggerFactory above is obsolete as of .NET Core 2.2.
// Please use the following method in .NET Core 3.0.
//using (var loggerFactory = LoggerFactory.Create(builder => builder.AddConsole()))
//{
// var logger = loggerFactory.CreateLogger<CalculationService>();
// var svc = new CalculationService(logger);
// var result = svc.AddTwoPositiveNumbers(1, 2);
// Assert.AreEqual(3, result);
//}
}
public void Test1()
{
var svc = new CalculationService(new NullLogger<CalculationService>());
var result = svc.AddTwoPositiveNumbers(3, 5);
Assert.AreEqual(8, result, "Result is not correct");
}