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package http_test
import (
"context"
"io"
"net"
"net/http"
"strings"
"testing"
"time"
httpServer "go.sudomsg.com/kit/http"
)
// helper to find free TCP ports
func newListener(tb testing.TB) net.Listener {
tb.Helper()
ln, err := net.Listen("tcp", "localhost:0")
if err != nil {
tb.Fatalf("failed to open listener: %v", err)
}
return ln
}
func TestOpenConfigListeners(t *testing.T) {
t.Parallel()
t.Run("successful config", func(t *testing.T) {
t.Parallel()
ctx := t.Context()
cfg := []httpServer.ServerConfig{
{Network: "tcp", Address: "localhost:0"},
{Network: "tcp", Address: "localhost:0"},
}
lns, err := httpServer.OpenConfigListners(ctx, cfg)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
defer lns.CloseAll()
if got := len(lns); got != len(cfg) {
t.Errorf("expected %d listeners, got %d", len(cfg), got)
}
})
t.Run("port conflict triggers cleanup", func(t *testing.T) {
t.Parallel()
ctx := t.Context()
conflict := newListener(t)
defer conflict.Close()
cfg := []httpServer.ServerConfig{
{Network: "tcp", Address: "localhost:0"},
{Network: "tcp", Address: conflict.Addr().String()}, // will fail
}
lns, err := httpServer.OpenConfigListners(ctx, cfg)
if err == nil {
defer lns.CloseAll()
t.Fatal("expected error due to conflict, got nil")
}
})
}
func TestCloseAll(t *testing.T) {
t.Run("closes all listeners", func(t *testing.T) {
t.Parallel()
ln1 := newListener(t)
ln2 := newListener(t)
ls := httpServer.Listeners{ln1, ln2}
err := ls.CloseAll()
if err != nil {
t.Errorf("unexpected error from CloseAll: %v", err)
}
for _, ln := range ls {
if _, err := ln.Accept(); err == nil {
t.Error("expected listener to be closed, but Accept succeeded")
}
}
})
}
func TestRunHTTPServers(t *testing.T) {
t.Parallel()
t.Run("basic serve and shutdown", func(t *testing.T) {
t.Parallel()
ctx := t.Context()
handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
io.WriteString(w, "hello")
})
ln := newListener(t)
addr := ln.Addr().String()
ctx, cancel := context.WithCancel(ctx)
defer cancel()
go func() {
// Wait for server to be ready
time.Sleep(200 * time.Millisecond)
r, err := http.NewRequestWithContext(ctx, http.MethodGet, "http://"+addr, nil)
resp, err := http.DefaultClient.Do(r)
if err != nil {
t.Errorf("http.Do error: %v", err)
return
}
defer resp.Body.Close()
body, _ := io.ReadAll(resp.Body)
if got := strings.TrimSpace(string(body)); got != "hello" {
t.Errorf("unexpected response body: %q", got)
}
cancel() // shutdown the server
}()
err := httpServer.RunHTTPServers(ctx, httpServer.Listeners{ln}, handler)
if err != nil {
t.Fatalf("RunHTTPServers failed: %v", err)
}
})
}
func TestInvalidConfig(t *testing.T) {
t.Parallel()
tests := []struct {
name string
config httpServer.ServerConfig
}{
{
name: "invalid network",
config: httpServer.ServerConfig{Network: "invalid", Address: "localhost:0"},
},
{
name: "invalid address",
config: httpServer.ServerConfig{Network: "tcp", Address: "::::"},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
ctx := t.Context()
_, err := httpServer.OpenConfigListners(ctx, []httpServer.ServerConfig{tt.config})
if err == nil {
t.Fatal("OpenConfigListners() expected error, got nil")
}
})
}
}
|
