public async Task DbExceptions_HandlingFails_InvokesNextFilter()
{
var sink = new TestSink();
var filter = new DatabaseDeveloperPageExceptionFilter(
new TestLogger <DatabaseDeveloperPageExceptionFilter>(new TestLoggerFactory(sink, true)),
Options.Create(new DatabaseErrorPageOptions()));
var context = new DefaultHttpContext();
var exception = new Mock <DbException>();
var nextFilterInvoked = false;
await filter.HandleExceptionAsync(
new ErrorContext(context, exception.Object),
context =>
{
nextFilterInvoked = true;
return(Task.CompletedTask);
});
Assert.True(nextFilterInvoked);
Assert.Equal(1, sink.Writes.Count);
var message = sink.Writes.Single();
Assert.Equal(LogLevel.Error, message.LogLevel);
Assert.Contains("An exception occurred while calculating the database error page content.", message.Message);
}
public async Task DbExceptions_HandlingFails_ReturnsIfResponseStarted()
{
var sink = new TestSink();
var filter = new DatabaseDeveloperPageExceptionFilter(
new TestLogger <DatabaseDeveloperPageExceptionFilter>(new TestLoggerFactory(sink, true)),
Options.Create(new DatabaseErrorPageOptions()));
var response = new Mock <HttpResponse>();
response.Setup(r => r.HasStarted).Returns(true);
var context = new Mock <HttpContext>();
context.Setup(c => c.Response).Returns(response.Object);
var exception = new Mock <DbException>();
var nextFilterInvoked = false;
await filter.HandleExceptionAsync(
new ErrorContext(context.Object, exception.Object),
context =>
{
nextFilterInvoked = true;
return(Task.CompletedTask);
});
Assert.False(nextFilterInvoked);
Assert.Contains(sink.Writes, w => w.Message == "The response has already started, the next developer page exception filter will not be executed.");
}
public async Task NonDbExceptions_NotHandled()
{
var filter = new DatabaseDeveloperPageExceptionFilter(
NullLogger <DatabaseDeveloperPageExceptionFilter> .Instance,
Options.Create(new DatabaseErrorPageOptions()));
var response = new Mock <HttpResponse>();
response.Setup(r => r.HasStarted).Returns(false);
var context = new Mock <HttpContext>();
context.Setup(c => c.Response).Returns(response.Object);
var nextFilterInvoked = false;
await filter.HandleExceptionAsync(
new ErrorContext(context.Object, new InvalidOperationException()),
context =>
{
nextFilterInvoked = true;
return(Task.CompletedTask);
});
Assert.True(nextFilterInvoked);
}
