etcd/tests/framework/e2e/etcd_spawn_cov.go
Marek Siarkowicz 795dcedd1d tests: Extract e2e cluster setup to separate package
Signed-off-by: Siyuan Zhang <sizhang@google.com>
2023-12-06 09:13:36 -08:00

90 lines
2.4 KiB
Go

// Copyright 2017 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.
//go:build cov
// +build cov
package e2e
import (
"fmt"
"os"
"strings"
"syscall"
"time"
"go.etcd.io/etcd/client/pkg/v3/fileutil"
"go.etcd.io/etcd/pkg/v3/expect"
"go.etcd.io/etcd/tests/v3/integration"
"go.uber.org/zap"
)
const noOutputLineCount = 2 // cov-enabled binaries emit PASS and coverage count lines
var (
coverDir = integration.MustAbsPath(os.Getenv("COVERDIR"))
)
func SpawnCmd(args []string) (*expect.ExpectProcess, error) {
return SpawnCmdWithLogger(zap.NewNop(), args)
}
func SpawnCmdWithLogger(lg *zap.Logger, args []string) (*expect.ExpectProcess, error) {
cmd := args[0]
env := make([]string, 0)
switch {
case strings.HasSuffix(cmd, "/etcd"):
cmd = cmd + "_test"
case strings.HasSuffix(cmd, "/etcdctl"):
cmd = cmd + "_test"
case strings.HasSuffix(cmd, "/etcdutl"):
cmd = cmd + "_test"
case strings.HasSuffix(cmd, "/etcdctl3"):
cmd = CtlBinPath + "_test"
env = append(env, "ETCDCTL_API=3")
}
wd, err := os.Getwd()
if err != nil {
return nil, err
}
covArgs, err := getCovArgs()
if err != nil {
return nil, err
}
// when withFlagByEnv() is used in testCtl(), env variables for ctl is set to os.env.
// they must be included in ctl_cov_env.
env = append(env, os.Environ()...)
all_args := append(args[1:], covArgs...)
lg.Info("spawning process", zap.Strings("args", all_args), zap.String("working-dir", wd))
ep, err := expect.NewExpectWithEnv(cmd, all_args, env)
if err != nil {
return nil, err
}
ep.StopSignal = syscall.SIGTERM
return ep, nil
}
func getCovArgs() ([]string, error) {
if !fileutil.Exist(coverDir) {
return nil, fmt.Errorf("could not find coverage folder: %s", coverDir)
}
covArgs := []string{
fmt.Sprintf("-test.coverprofile=e2e.%v.coverprofile", time.Now().UnixNano()),
"-test.outputdir=" + coverDir,
}
return covArgs, nil
}