pkg/plugins/client_test.go

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package plugins
import (
"io"
"net/http"
"net/http/httptest"
"reflect"
"testing"
)
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")
err := c.Call("Service.Method", nil, nil)
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)
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)
}
}