public async Task LoggingAuthenticationService_Authentication_OnException_ShouldLogError()
{
// arrange
var mockLogger = new Mock <ILogger>();
var isCalled = false;
var credentials = new Credentials {
Username = "******", Password = "******"
};
mockLogger.Setup(l => l.Error(It.IsAny <string>(), It.IsAny <Exception>())).Callback(() => isCalled = true);
var mockAuthenticationService = new Mock <IAuthenticationService>();
mockAuthenticationService.Setup(a => a.Authenticate(It.IsAny <Credentials>())).ThrowsAsync(new Exception("Fatal exception"));
var loggingAuthenticationService = new LoggingAuthenticationService(mockAuthenticationService.Object, mockLogger.Object);
// act and assert
await Assert.ThrowsExceptionAsync <Exception>(() => loggingAuthenticationService.Authenticate(credentials));
Assert.IsTrue(isCalled);
}
public async Task LoggingAuthenticationService_Authentication_OnSuccess_ShouldLogInfo2Times()
{
// arrange
var mockLogger = new Mock <ILogger>();
var callCount = 0;
var credentials = new Credentials {
Username = "******", Password = "******"
};
mockLogger.Setup(l => l.Info(It.IsAny <string>(), It.IsAny <string>())).Callback(() => callCount++);
mockLogger.Setup(l => l.Info(It.IsAny <string>(), It.IsAny <string>(), It.IsAny <string>())).Callback(() => callCount++);
var mockAuthenticationService = new Mock <IAuthenticationService>();
mockAuthenticationService.Setup(a => a.Authenticate(It.IsAny <Credentials>())).ReturnsAsync("token");
var loggingAuthenticationService = new LoggingAuthenticationService(mockAuthenticationService.Object, mockLogger.Object);
// act
var result = await loggingAuthenticationService.Authenticate(credentials);
// assert
Assert.AreEqual(2, callCount);
}
