public async Task InvokeAsync_ExceptionLoggerNull_ThrowsException()
{
Task RequestDelegate(HttpContext context)
{
return(Task.CompletedTask);
}
var ret = new ErrorLoggingMiddleware(RequestDelegate);
(await ret.Invoking(x => x.InvokeAsync(new DefaultHttpContext(), null)).Should()
.ThrowAsync <ArgumentNullException>()).And.ParamName.Should().Be("exceptionLogger");
}
public void SetUp()
{
_loggingMock = new Mock <ILogger <ErrorLoggingMiddleware> >(MockBehavior.Strict);
_errorLoggingMiddleware = new ErrorLoggingMiddleware(next: async(innerHttpContext) =>
{
await innerHttpContext.Response.WriteAsync("test response body");
}, logger: _loggingMock.Object);
_errorLoggingMiddlewareException = new ErrorLoggingMiddleware(next: (innerHttpContext) => throw new Exception("Error Logging Middleware Exception Raised"), logger: _loggingMock.Object);
}
public async Task InvokeAsync_CallsNextDelegate()
{
var called = false;
Task RequestDelegate(HttpContext context)
{
called = true;
return(Task.CompletedTask);
}
var ret = new ErrorLoggingMiddleware(RequestDelegate);
await ret.InvokeAsync(new DefaultHttpContext(), _exceptionLoggerMock.Object);
called.Should().BeTrue();
}
public async Task InvokeAsync_WhenExceptionIsThrown_LoggerIsCalledBeforeThrowing()
{
var exception = new Exception();
Task RequestDelegate(HttpContext context)
{
throw exception;
}
var ret = new ErrorLoggingMiddleware(RequestDelegate);
using (new AssertionScope())
{
await ret.Invoking(x => x.InvokeAsync(new DefaultHttpContext(), _exceptionLoggerMock.Object)).Should()
.ThrowAsync <Exception>();
_exceptionLoggerMock.Verify(x => x.LogExceptionAsync(exception), Times.Once);
}
}
public ErrorLoggingMiddlewareTests()
{
_sut = new ErrorLoggingMiddleware(_next, _logger);
}
