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moby--moby/pkg/plugins/client_test.go
Lei Jitang a2d348968f pkg/plugins/client.go: don't try to encode os decode if it's nil
When user call the `Call()` method, they don't always want to sent
some args or get the return value, so they use `nil` when call `Call()`
method and this will casue an error. It's better to not trying to
encode or decode if it's nil.

Signed-off-by: Lei Jitang <leijitang@huawei.com>
2015-12-05 02:55:50 -05:00

127 lines
2.7 KiB
Go

package plugins
import (
"io"
"net/http"
"net/http/httptest"
"reflect"
"testing"
"time"
"github.com/docker/docker/pkg/tlsconfig"
)
var (
mux *http.ServeMux
server *httptest.Server
)
func setupRemotePluginServer() string {
mux = http.NewServeMux()
server = httptest.NewServer(mux)
return server.URL
}
func teardownRemotePluginServer() {
if server != nil {
server.Close()
}
}
func TestFailedConnection(t *testing.T) {
c, _ := NewClient("tcp://127.0.0.1:1", tlsconfig.Options{InsecureSkipVerify: true})
_, err := c.callWithRetry("Service.Method", nil, false)
if err == nil {
t.Fatal("Unexpected successful connection")
}
}
func TestEchoInputOutput(t *testing.T) {
addr := setupRemotePluginServer()
defer teardownRemotePluginServer()
m := Manifest{[]string{"VolumeDriver", "NetworkDriver"}}
mux.HandleFunc("/Test.Echo", func(w http.ResponseWriter, r *http.Request) {
if r.Method != "POST" {
t.Fatalf("Expected POST, got %s\n", r.Method)
}
header := w.Header()
header.Set("Content-Type", versionMimetype)
io.Copy(w, r.Body)
})
c, _ := NewClient(addr, tlsconfig.Options{InsecureSkipVerify: true})
var output Manifest
err := c.Call("Test.Echo", m, &output)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(output, m) {
t.Fatalf("Expected %v, was %v\n", m, output)
}
err = c.Call("Test.Echo", nil, nil)
if err != nil {
t.Fatal(err)
}
}
func TestBackoff(t *testing.T) {
cases := []struct {
retries int
expTimeOff time.Duration
}{
{0, time.Duration(1)},
{1, time.Duration(2)},
{2, time.Duration(4)},
{4, time.Duration(16)},
{6, time.Duration(30)},
{10, time.Duration(30)},
}
for _, c := range cases {
s := c.expTimeOff * time.Second
if d := backoff(c.retries); d != s {
t.Fatalf("Retry %v, expected %v, was %v\n", c.retries, s, d)
}
}
}
func TestAbortRetry(t *testing.T) {
cases := []struct {
timeOff time.Duration
expAbort bool
}{
{time.Duration(1), false},
{time.Duration(2), false},
{time.Duration(10), false},
{time.Duration(30), true},
{time.Duration(40), true},
}
for _, c := range cases {
s := c.timeOff * time.Second
if a := abort(time.Now(), s); a != c.expAbort {
t.Fatalf("Duration %v, expected %v, was %v\n", c.timeOff, s, a)
}
}
}
func TestClientScheme(t *testing.T) {
cases := map[string]string{
"tcp://127.0.0.1:8080": "http",
"unix:///usr/local/plugins/foo": "http",
"http://127.0.0.1:8080": "http",
"https://127.0.0.1:8080": "https",
}
for addr, scheme := range cases {
c, _ := NewClient(addr, tlsconfig.Options{InsecureSkipVerify: true})
if c.scheme != scheme {
t.Fatalf("URL scheme mismatch, expected %s, got %s", scheme, c.scheme)
}
}
}