public async Task UseMiddleware_AddsMiddleware()
{
IServiceProvider serviceProvider = new MockServiceProvider()
.With <MockMiddleware>(new MockMiddleware());
OkraAppBuilder app = new OkraAppBuilder(serviceProvider);
var middlewareCallList = new List <string>();
var middlewareCallContextList = new List <AppLaunchContext>();
var options = new MockMiddlewareOptions(middlewareCallList, middlewareCallContextList);
app.UseMiddleware <MockMiddleware, MockMiddlewareOptions>(options);
app.Use(next =>
{
return(context =>
{
middlewareCallList.Add("Next");
middlewareCallContextList.Add(context);
return next(context);
});
});
var appContext = new MockAppLaunchContext();
var pipeline = app.Build();
await pipeline(appContext);
Assert.Equal(new string[] { "Middleware", "Next" }, middlewareCallList);
Assert.Equal(new AppLaunchContext[] { appContext, appContext }, middlewareCallContextList);
}
public void UseMiddleware_WithNullApp_ThrowsException()
{
MockMiddlewareOptions options = new MockMiddlewareOptions();
var e = Assert.Throws <ArgumentNullException>(() => UseMiddlewareExtensions.UseMiddleware <MockMiddleware, MockMiddlewareOptions>(null, options));
Assert.Equal("app", e.ParamName);
}
