Daily Archives: 26.02.2020
Clean architecture pattern
The main idea is to have layers that only depend on inner layers (see the image below). Let’s imagine you have a repository that includes several applications. Layers Domain (Entities) Has basic types and interfaces for your application. Including the application config and Registry with all the interfaces. Optionally could also include some common logic …
A way to test http client in go
A couple of ways are described here — http://hassansin.github.io/Unit-Testing-http-client-in-Go The way I liked is the following one:
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func Test_Mine(t *testing.T) { ... client := httpClientWithRoundTripper(http.StatusOK, "OK") ... } type roundTripFunc func(req *http.Request) *http.Response func (f roundTripFunc) RoundTrip(req *http.Request) (*http.Response, error) { return f(req), nil } func httpClientWithRoundTripper(statusCode int, response string) *http.Client { return &http.Client{ Transport: roundTripFunc(func(req *http.Request) *http.Response { return &http.Response{ StatusCode: statusCode, Body: ioutil.NopCloser(bytes.NewBufferString(response)), } }), } } |