github.com/gogf/gkafka@v1.0.1-0.20190702070843-033a14468069/third/golang.org/x/sys/windows/svc/svc_test.go (about)

     1  // Copyright 2012 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  // +build windows
     6  
     7  package svc_test
     8  
     9  import (
    10  	"fmt"
    11  	"io/ioutil"
    12  	"math/rand"
    13  	"os"
    14  	"os/exec"
    15  	"path/filepath"
    16  	"strings"
    17  	"testing"
    18  	"time"
    19  
    20  	"github.com/gogf/gkafka/third/golang.org/x/sys/windows/svc"
    21  	"github.com/gogf/gkafka/third/golang.org/x/sys/windows/svc/mgr"
    22  )
    23  
    24  func getState(t *testing.T, s *mgr.Service) svc.State {
    25  	status, err := s.Query()
    26  	if err != nil {
    27  		t.Fatalf("Query(%s) failed: %s", s.Name, err)
    28  	}
    29  	return status.State
    30  }
    31  
    32  func testState(t *testing.T, s *mgr.Service, want svc.State) {
    33  	have := getState(t, s)
    34  	if have != want {
    35  		t.Fatalf("%s state is=%d want=%d", s.Name, have, want)
    36  	}
    37  }
    38  
    39  func waitState(t *testing.T, s *mgr.Service, want svc.State) {
    40  	for i := 0; ; i++ {
    41  		have := getState(t, s)
    42  		if have == want {
    43  			return
    44  		}
    45  		if i > 10 {
    46  			t.Fatalf("%s state is=%d, waiting timeout", s.Name, have)
    47  		}
    48  		time.Sleep(300 * time.Millisecond)
    49  	}
    50  }
    51  
    52  func TestExample(t *testing.T) {
    53  	if testing.Short() {
    54  		t.Skip("skipping test in short mode - it modifies system services")
    55  	}
    56  
    57  	const name = "myservice"
    58  
    59  	m, err := mgr.Connect()
    60  	if err != nil {
    61  		t.Fatalf("SCM connection failed: %s", err)
    62  	}
    63  	defer m.Disconnect()
    64  
    65  	dir, err := ioutil.TempDir("", "svc")
    66  	if err != nil {
    67  		t.Fatalf("failed to create temp directory: %v", err)
    68  	}
    69  	defer os.RemoveAll(dir)
    70  
    71  	exepath := filepath.Join(dir, "a.exe")
    72  	o, err := exec.Command("go", "build", "-o", exepath, "github.com/gogf/gkafka/third/golang.org/x/sys/windows/svc/example").CombinedOutput()
    73  	if err != nil {
    74  		t.Fatalf("failed to build service program: %v\n%v", err, string(o))
    75  	}
    76  
    77  	s, err := m.OpenService(name)
    78  	if err == nil {
    79  		err = s.Delete()
    80  		if err != nil {
    81  			s.Close()
    82  			t.Fatalf("Delete failed: %s", err)
    83  		}
    84  		s.Close()
    85  	}
    86  	s, err = m.CreateService(name, exepath, mgr.Config{DisplayName: "my service"}, "is", "auto-started")
    87  	if err != nil {
    88  		t.Fatalf("CreateService(%s) failed: %v", name, err)
    89  	}
    90  	defer s.Close()
    91  
    92  	args := []string{"is", "manual-started", fmt.Sprintf("%d", rand.Int())}
    93  
    94  	testState(t, s, svc.Stopped)
    95  	err = s.Start(args...)
    96  	if err != nil {
    97  		t.Fatalf("Start(%s) failed: %s", s.Name, err)
    98  	}
    99  	waitState(t, s, svc.Running)
   100  	time.Sleep(1 * time.Second)
   101  
   102  	// testing deadlock from issues 4.
   103  	_, err = s.Control(svc.Interrogate)
   104  	if err != nil {
   105  		t.Fatalf("Control(%s) failed: %s", s.Name, err)
   106  	}
   107  	_, err = s.Control(svc.Interrogate)
   108  	if err != nil {
   109  		t.Fatalf("Control(%s) failed: %s", s.Name, err)
   110  	}
   111  	time.Sleep(1 * time.Second)
   112  
   113  	_, err = s.Control(svc.Stop)
   114  	if err != nil {
   115  		t.Fatalf("Control(%s) failed: %s", s.Name, err)
   116  	}
   117  	waitState(t, s, svc.Stopped)
   118  
   119  	err = s.Delete()
   120  	if err != nil {
   121  		t.Fatalf("Delete failed: %s", err)
   122  	}
   123  
   124  	out, err := exec.Command("wevtutil.exe", "qe", "Application", "/q:*[System[Provider[@Name='myservice']]]", "/rd:true", "/c:10").CombinedOutput()
   125  	if err != nil {
   126  		t.Fatalf("wevtutil failed: %v\n%v", err, string(out))
   127  	}
   128  	if want := strings.Join(append([]string{name}, args...), "-"); !strings.Contains(string(out), want) {
   129  		t.Errorf("%q string does not contain %q", string(out), want)
   130  	}
   131  }