[errors] de-specialize Transient in favor of Tags.

server/auth/auth_test.go

 // Copyright 2015 The LUCI Authors. All rights reserved.
 // Use of this source code is governed under the Apache License, Version 2.0
 // that can be found in the LICENSE file.
 
 package auth
 
 import (
         "fmt"
         "net"
         "net/http"
         "net/http/httptest"
         "testing"
 
         "golang.org/x/net/context"
 
         "github.com/luci/luci-go/server/router"
 
         "github.com/luci/luci-go/server/auth/authdb"
         "github.com/luci/luci-go/server/auth/identity"
         "github.com/luci/luci-go/server/auth/service/protocol"
         "github.com/luci/luci-go/server/auth/signing"
 
         "github.com/luci/luci-go/common/errors"
+        "github.com/luci/luci-go/common/retry/transient"
         . "github.com/luci/luci-go/common/testing/assertions"
         . "github.com/smartystreets/goconvey/convey"
 )
 
 func TestAuthenticate(t *testing.T) {
         t.Parallel()
 
         Convey("Happy path", t, func() {
                 c := injectTestDB(context.Background(), &fakeDB{
                         allowedClientID: "some_client_id",
@@ skipping 135 matching lines @@
         Convey("Fatal error", t, func() {
                 rr := call(&Authenticator{
                         Methods: []Method{fakeAuthMethod{clientID: "another_client_id"}},
                 })
                 So(rr.Code, ShouldEqual, 401)
                 So(rr.Body.String(), ShouldEqual, "Authentication error\n")
         })
 
         Convey("Transient error", t, func() {
                 rr := call(&Authenticator{
-                        Methods: []Method{fakeAuthMethod{err: errors.WrapTransient(errors.New("boo"))}},
+                        Methods: []Method{fakeAuthMethod{err: errors.New("boo", transient.Tag)}},
                 })
                 So(rr.Code, ShouldEqual, 500)
                 So(rr.Body.String(), ShouldEqual, "Transient error during authentication\n")
         })
 }
 
 ///
 
 func makeRequest() *http.Request {
         req, _ := http.NewRequest("GET", "http://some-url", nil)
@@ skipping 77 matching lines @@
         }
         return db.authServiceURL, nil
 }
 
 func (db *fakeDB) GetTokenServiceURL(c context.Context) (string, error) {
         if db.tokenServiceURL == "" {
                 return "", errors.New("fakeDB: GetTokenServiceURL is not configured")
         }
         return db.tokenServiceURL, nil
 }