public async Task ReturnsPongBodyContent()
{
var bodyStream = new MemoryStream();
var context = new DefaultHttpContext();
context.Response.Body = bodyStream;
context.Request.Path = "/ping"; // creates a DefaultHttpContext and initializes the body with a MemoryStream to capture the response
RequestDelegate next = (ctx) => Task.CompletedTask;
var middleware = new StatusMiddleware(next: next); // creates an instance of the middleware and passes in a simple RequestDelegate
await middleware.Invoke(context); // invokes the middleware
string response;
bodyStream.Seek(0, SeekOrigin.Begin);
using (var stringReader = new StreamReader(bodyStream))
{
response = await stringReader.ReadToEndAsync();
} // rewins the MemoryStream and reads the response body into a string
Assert.Equal("pong", response); // verify the response value if correct
Assert.Equal("text/plain", context.Response.ContentType); // check the content-type
Assert.Equal(200, context.Response.StatusCode); // check status code
}
public async Task ReturnsPlainTextType()
{
RequestDelegate next = (ctx) => Task.CompletedTask;
var middleware = new StatusMiddleware(next: next);
var context = new DefaultHttpContext();
context.Request.Path = "/ping";
await middleware.Invoke(context);
Assert.Equal("text/plain", context.Response.ContentType);
}
public async Task ForNonMatchingRequest_CallsNextDelegate()
{
var context = new DefaultHttpContext(); //Creates a DefaultHttpContext and sets the path for the request
context.Request.Path = "/somepaths";
var wasExecuted = false; //tracks wheter the RequestDelegate was executed
RequestDelegate next = (ctx) =>
{
wasExecuted = true;
return(Task.CompletedTask);
};
var middelware = new StatusMiddleware(next: next);
await middelware.Invoke(context);
Assert.True(wasExecuted);
;
}
public async Task ForMatchingRequest_Returns200()
{
RequestDelegate next = (ctx) =>
{
ctx.Response.StatusCode = 404;
return(Task.CompletedTask);
};
var middleware = new StatusMiddleware(next: next);
var context = new DefaultHttpContext();
context.Request.Path = "/ping";
await middleware.Invoke(context);
Assert.Equal(200, context.Response.StatusCode);
}
public async Task ForNonMatchingRequest_CallsNextDelegate()
{
var context = new DefaultHttpContext();
context.Request.Path = "/somethingelse";
var wasExecuted = false;
RequestDelegate next = (ctx) =>
{
wasExecuted = true;
return(Task.CompletedTask);
};
var middleware = new StatusMiddleware(next: next);
await middleware.Invoke(context);
Assert.True(wasExecuted);
}
public async Task ForNonMatchingRequest_CallsNextDelegate()
{
var context = new DefaultHttpContext();
context.Request.Path = "/somethingelse"; // creates a DefaultHttpContext and sets the path for the request
var wasExecuted = false; // this will track whether RequestDelegate was executed
RequestDelegate next = (ctx) =>
{
wasExecuted = true;
return(Task.CompletedTask);
};
var middleware = new StatusMiddleware(next: next); // creates an instance of the middleware passing the the next Request Delegate
await middleware.Invoke(context); // should invoke the RequestDelegate
Assert.True(wasExecuted); // verification
}
public async Task ReturnsPongBodyContent() //using testing StatusMiddleware when a matching Path is provided
{
var bodyStream = new MemoryStream(); //to read Body with memory stream
var context = new DefaultHttpContext();
context.Response.Body = bodyStream;
context.Request.Path = "/ping";
RequestDelegate next = (ctx) => Task.CompletedTask;
var middleware = new StatusMiddleware(next);
await middleware.Invoke(context);
string response;
bodyStream.Seek(0, SeekOrigin.Begin);
using (var stringReader = new StreamReader(bodyStream))
{
response = await stringReader.ReadToEndAsync();
}
Assert.Equal("pong", response);
Assert.Equal("text/plain", context.Response.ContentType);
Assert.Equal(200, context.Response.StatusCode);
}
public async Task ReturnsPongBodyContent()
{
var bodyStream = new MemoryStream();
var context = new DefaultHttpContext();
context.Response.Body = bodyStream;
context.Request.Path = "/ping";
RequestDelegate next = (ctx) => Task.CompletedTask;
var middleware = new StatusMiddleware(next: next);
await middleware.Invoke(context);
string response;
bodyStream.Seek(0, SeekOrigin.Begin);
using (var stringReader = new StreamReader(bodyStream))
{
response = await stringReader.ReadToEndAsync();
}
Assert.Equal("pong", response);
}
