DefaultHTTPClientProvider returns a default HTTPClient implementation.

DefaultHTTPRequestProvider returns a default http.Request with the given method, url and body.

RequestLogger creates an http.Handler function with a default info logger.

RespondWithBody sends http response with json body.

RespondWithErrorAndLog logs error and sends http response with error json body.

An HTTPClient represents an interface type of HTTPClient that encapsulates a 'Do' function which takes an http.Request and returns an http.Response.

An HTTPClientProvider represents a function type that returns an HTTPClient.

An HTTPRequestProvider represents a function type that returns an http.Request.