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testingHttpServer.go
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testingHttpServer.go
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package test
import (
"compress/gzip"
"fmt"
"github.com/NYTimes/gziphandler"
"net"
"net/http"
"strings"
)
// TestingHttpServer represents a http server for testing purposes
type TestingHttpServer struct {
mux *http.ServeMux
server *http.Server
listener net.Listener
}
// NewTestingHttpServer creates a new http server for testing purposes
func NewTestingHttpServer(port int, gzipEnabled bool) *TestingHttpServer {
var err error
result := &TestingHttpServer{}
result.mux = http.NewServeMux()
defaultRequest := http.HandlerFunc(result.handleDefaultRequest)
if gzipEnabled {
handlerFactory, _ := gziphandler.NewGzipLevelAndMinSize(gzip.DefaultCompression, 0)
result.mux.Handle("/default", handlerFactory(defaultRequest))
} else {
result.mux.HandleFunc("/default", defaultRequest)
}
result.server = &http.Server{
Addr: fmt.Sprintf(":%d", port),
Handler: result.mux,
}
result.listener, err = net.Listen("tcp", result.server.Addr)
if err != nil {
panic(fmt.Sprintf("Could not start test server. Got: %v", err))
}
go func(instance *TestingHttpServer) {
err := instance.server.Serve(instance.listener)
if err != nil && !strings.HasSuffix(err.Error(), "use of closed network connection") {
panic(fmt.Sprintf("Problem while serving. Got: %v", err))
}
}(result)
return result
}
func (instance *TestingHttpServer) handleDefaultRequest(resp http.ResponseWriter, req *http.Request) {
resp.WriteHeader(200)
resp.Write([]byte("Hello world!"))
}
// Close closes the testing server graceful.
func (instance *TestingHttpServer) Close() {
defer func() {
instance.listener = nil
instance.server = nil
instance.mux = nil
}()
if instance.listener != nil {
instance.listener.Close()
}
}