open-consul/agent/watch_handler_test.go

66 lines
1.6 KiB
Go

package agent
import (
"github.com/hashicorp/consul/watch"
"io/ioutil"
"net/http"
"net/http/httptest"
"os"
"testing"
"time"
)
func TestMakeWatchHandler(t *testing.T) {
t.Parallel()
defer os.Remove("handler_out")
defer os.Remove("handler_index_out")
script := "echo $CONSUL_INDEX >> handler_index_out && cat >> handler_out"
handler := makeWatchHandler(os.Stderr, script)
handler(100, []string{"foo", "bar", "baz"})
raw, err := ioutil.ReadFile("handler_out")
if err != nil {
t.Fatalf("err: %v", err)
}
if string(raw) != "[\"foo\",\"bar\",\"baz\"]\n" {
t.Fatalf("bad: %s", raw)
}
raw, err = ioutil.ReadFile("handler_index_out")
if err != nil {
t.Fatalf("err: %v", err)
}
if string(raw) != "100\n" {
t.Fatalf("bad: %s", raw)
}
}
func TestMakeHTTPWatchHandler(t *testing.T) {
t.Parallel()
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
idx := r.Header.Get("X-Consul-Index")
if idx != "100" {
t.Fatalf("bad: %s", idx)
}
// Get the first one
customHeader := r.Header.Get("X-Custom")
if customHeader != "abc" {
t.Fatalf("bad: %s", idx)
}
body, err := ioutil.ReadAll(r.Body)
if err != nil {
t.Fatalf("err: %v", err)
}
if string(body) != "[\"foo\",\"bar\",\"baz\"]\n" {
t.Fatalf("bad: %s", body)
}
w.Write([]byte("Ok, i see"))
}))
defer server.Close()
config := watch.HttpHandlerConfig{
Path: server.URL,
Header: map[string][]string{"X-Custom": {"abc", "def"}},
Timeout: time.Minute,
}
handler := makeHTTPWatchHandler(os.Stderr, &config)
handler(100, []string{"foo", "bar", "baz"})
}