public async Task UseMiddlewareWithIMiddlewareThrowsIfMiddlewareFactoryCreateReturnsNull()
{
var mockServiceProvider = new DummyServiceProvider();
var builder = new ApplicationBuilder(mockServiceProvider);
builder.UseMiddleware(typeof(Middleware));
var app = builder.Build();
var exception = await Assert.ThrowsAsync <InvalidOperationException>(async() =>
{
var context = new DefaultHttpContext();
var sp = new DummyServiceProvider();
sp.AddService(typeof(IMiddlewareFactory), new BadMiddlewareFactory());
context.RequestServices = sp;
await app(context);
});
Assert.Equal(
Resources.FormatException_UseMiddlewareUnableToCreateMiddleware(
typeof(BadMiddlewareFactory),
typeof(Middleware)),
exception.Message);
}
public async Task UseMiddlewareWithIMiddlewareWorks()
{
var mockServiceProvider = new DummyServiceProvider();
var builder = new ApplicationBuilder(mockServiceProvider);
builder.UseMiddleware(typeof(Middleware));
var app = builder.Build();
var context = new DefaultHttpContext();
var sp = new DummyServiceProvider();
var middlewareFactory = new BasicMiddlewareFactory();
sp.AddService(typeof(IMiddlewareFactory), middlewareFactory);
context.RequestServices = sp;
await app(context);
Assert.True(Assert.IsType <bool>(context.Items["before"]));
Assert.True(Assert.IsType <bool>(context.Items["after"]));
Assert.NotNull(middlewareFactory.Created);
Assert.NotNull(middlewareFactory.Released);
Assert.IsType <Middleware>(middlewareFactory.Created);
Assert.IsType <Middleware>(middlewareFactory.Released);
Assert.Same(middlewareFactory.Created, middlewareFactory.Released);
}