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package test
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"net"
"net/http"
"net/url"
"path/filepath"
"sync"
"testing"
)
type HTTPRequestOpt func(req *http.Request)
func WithJSONBody(t *testing.T, body interface{}) HTTPRequestOpt {
t.Helper()
b, err := json.Marshal(body)
if err != nil {
t.Fatalf("WithJSONBody: %s", err)
}
return func(req *http.Request) {
req.Body = io.NopCloser(bytes.NewBuffer(b))
}
}
func WithQueryParams(qps map[string]string) HTTPRequestOpt {
var vals url.Values = map[string][]string{}
for k, v := range qps {
vals.Set(k, v)
}
return func(req *http.Request) {
req.URL.RawQuery = vals.Encode()
}
}
func NewRequest(t *testing.T, method, path string, opts ...HTTPRequestOpt) *http.Request {
t.Helper()
req, err := http.NewRequest(method, "http://localhost"+path, nil)
if err != nil {
t.Fatalf("failed to make new HTTP request %v %v : %v", method, path, err)
}
for _, o := range opts {
o(req)
}
return req
}
// ListenAndServe will listen on a random high-numbered port and attach the given router.
// Returns the base URL to send requests to. Call `cancel` to shutdown the server, which will block until it has closed.
func ListenAndServe(t *testing.T, router http.Handler, withTLS bool) (apiURL string, cancel func()) {
listener, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
t.Fatalf("failed to listen: %s", err)
}
port := listener.Addr().(*net.TCPAddr).Port
srv := http.Server{}
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
srv.Handler = router
var err error
if withTLS {
certFile := filepath.Join(t.TempDir(), "dendrite.cert")
keyFile := filepath.Join(t.TempDir(), "dendrite.key")
err = NewTLSKey(keyFile, certFile, 1024)
if err != nil {
t.Errorf("failed to make TLS key: %s", err)
return
}
err = srv.ServeTLS(listener, certFile, keyFile)
} else {
err = srv.Serve(listener)
}
if err != nil && err != http.ErrServerClosed {
t.Logf("Listen failed: %s", err)
}
}()
s := ""
if withTLS {
s = "s"
}
return fmt.Sprintf("http%s://localhost:%d", s, port), func() {
_ = srv.Shutdown(context.Background())
wg.Wait()
}
}
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