GoBlog/httpClient_test.go

61 lines
1.2 KiB
Go

package main
import (
"io"
"net/http"
"net/http/httptest"
"sync"
)
type fakeHttpClient struct {
mu sync.Mutex
handler http.Handler
*http.Client
req *http.Request
res *http.Response
}
func newFakeHttpClient() *fakeHttpClient {
fc := &fakeHttpClient{}
fc.Client = newHandlerClient(http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
fc.mu.Lock()
defer fc.mu.Unlock()
fc.req = r
if fc.handler != nil {
rec := httptest.NewRecorder()
fc.handler.ServeHTTP(rec, r)
fc.res = rec.Result()
// Copy the headers from the response recorder
for k, v := range rec.Header() {
rw.Header()[k] = v
}
// Copy result status code and body
rw.WriteHeader(fc.res.StatusCode)
_, _ = io.Copy(rw, rec.Body)
}
}))
return fc
}
func (c *fakeHttpClient) clean() {
c.mu.Lock()
c.req = nil
c.res = nil
c.handler = nil
c.mu.Unlock()
}
func (c *fakeHttpClient) setHandler(handler http.Handler) {
c.clean()
c.mu.Lock()
c.handler = handler
c.mu.Unlock()
}
func (c *fakeHttpClient) setFakeResponse(statusCode int, body string) {
c.setHandler(http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
rw.WriteHeader(statusCode)
_, _ = rw.Write([]byte(body))
}))
}