| // Copyright 2018 The etcd Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package e2e |
| |
| import "strings" |
| |
| type kvExec struct { |
| key, val string |
| execOutput string |
| } |
| |
| func setupWatchArgs(cx ctlCtx, args []string) []string { |
| cmdArgs := append(cx.PrefixArgs(), "watch") |
| if cx.interactive { |
| cmdArgs = append(cmdArgs, "--interactive") |
| } else { |
| cmdArgs = append(cmdArgs, args...) |
| } |
| |
| return cmdArgs |
| } |
| |
| func ctlV3Watch(cx ctlCtx, args []string, kvs ...kvExec) error { |
| cmdArgs := setupWatchArgs(cx, args) |
| |
| proc, err := spawnCmd(cmdArgs) |
| if err != nil { |
| return err |
| } |
| |
| if cx.interactive { |
| wl := strings.Join(append([]string{"watch"}, args...), " ") + "\r" |
| if err = proc.Send(wl); err != nil { |
| return err |
| } |
| } |
| |
| for _, elem := range kvs { |
| if _, err = proc.Expect(elem.key); err != nil { |
| return err |
| } |
| if _, err = proc.Expect(elem.val); err != nil { |
| return err |
| } |
| if elem.execOutput != "" { |
| if _, err = proc.Expect(elem.execOutput); err != nil { |
| return err |
| } |
| } |
| } |
| return proc.Stop() |
| } |
| |
| func ctlV3WatchFailPerm(cx ctlCtx, args []string) error { |
| cmdArgs := setupWatchArgs(cx, args) |
| |
| proc, err := spawnCmd(cmdArgs) |
| if err != nil { |
| return err |
| } |
| |
| if cx.interactive { |
| wl := strings.Join(append([]string{"watch"}, args...), " ") + "\r" |
| if err = proc.Send(wl); err != nil { |
| return err |
| } |
| } |
| |
| // TODO(mitake): after printing accurate error message that includes |
| // "permission denied", the above string argument of proc.Expect() |
| // should be updated. |
| _, err = proc.Expect("watch is canceled by the server") |
| if err != nil { |
| return err |
| } |
| return proc.Close() |
| } |