Golang strings.TrimSpace函数代码示例

func TestInsertRead(t *testing.T) {
	tmp := "/tmp/tiedot_test_col"
	os.Remove(tmp)
	defer os.Remove(tmp)
	col, err := OpenCollection(tmp)
	if err != nil {
		t.Fatalf("Failed to open: %v", err)
		return
	}
	defer col.Close()
	docs := [][]byte{
		[]byte("abc"),
		[]byte("1234")}
	ids := [2]int{}
	if ids[0], err = col.Insert(docs[0]); ids[0] != 0 || err != nil {
		t.Fatalf("Failed to insert: %d %v", ids[0], err)
	}
	if ids[1], err = col.Insert(docs[1]); err != nil {
		t.Fatalf("Failed to insert: %v", err)
	}
	if doc0 := col.Read(ids[0]); doc0 == nil || strings.TrimSpace(string(doc0)) != string(docs[0]) {
		t.Fatal("Failed to read", doc0)
	}
	if doc1 := col.Read(ids[1]); doc1 == nil || strings.TrimSpace(string(doc1)) != string(docs[1]) {
		t.Fatalf("Failed to read")
	}
	// it shall not panic
	col.Read(col.Size)
}

func TestGraphNodeConfigModuleExpandFlatten(t *testing.T) {
	mod := testModule(t, "graph-node-module-flatten")

	node := &GraphNodeConfigModule{
		Path:   []string{RootModuleName, "child"},
		Module: &config.Module{},
		Tree:   nil,
	}

	g, err := node.Expand(&BasicGraphBuilder{
		Steps: []GraphTransformer{
			&ConfigTransformer{Module: mod},
		},
	})
	if err != nil {
		t.Fatalf("err: %s", err)
	}

	fg := g.(GraphNodeFlatGraph)

	actual := strings.TrimSpace(fg.FlattenGraph().String())
	expected := strings.TrimSpace(testGraphNodeModuleExpandFlattenStr)
	if actual != expected {
		t.Fatalf("bad:\n\n%s", actual)
	}
}

func (s *DockerSuite) TestContainerApiDeleteRemoveLinks(c *check.C) {
	testRequires(c, DaemonIsLinux)
	out, _ := dockerCmd(c, "run", "-d", "--name", "tlink1", "busybox", "top")

	id := strings.TrimSpace(out)
	c.Assert(waitRun(id), check.IsNil)

	out, _ = dockerCmd(c, "run", "--link", "tlink1:tlink1", "--name", "tlink2", "-d", "busybox", "top")

	id2 := strings.TrimSpace(out)
	c.Assert(waitRun(id2), check.IsNil)

	links, err := inspectFieldJSON(id2, "HostConfig.Links")
	c.Assert(err, check.IsNil)

	if links != "[\"/tlink1:/tlink2/tlink1\"]" {
		c.Fatal("expected to have links between containers")
	}

	status, _, err := sockRequest("DELETE", "/containers/tlink2/tlink1?link=1", nil)
	c.Assert(err, check.IsNil)
	c.Assert(status, check.Equals, http.StatusNoContent)

	linksPostRm, err := inspectFieldJSON(id2, "HostConfig.Links")
	c.Assert(err, check.IsNil)

	if linksPostRm != "null" {
		c.Fatal("call to api deleteContainer links should have removed the specified links")
	}
}

func testStringMatch(t *testing.T, s fmt.Stringer, expected string) {
	actual := strings.TrimSpace(s.String())
	expected = strings.TrimSpace(expected)
	if actual != expected {
		t.Fatalf("Actual\n\n%s\n\nExpected:\n\n%s", actual, expected)
	}
}

// #18453
func (s *DockerSuite) TestEventsContainerFilterBeforeCreate(c *check.C) {
	testRequires(c, DaemonIsLinux)
	var (
		out string
		ch  chan struct{}
	)
	ch = make(chan struct{})

	// calculate the time it takes to create and start a container and sleep 2 seconds
	// this is to make sure the docker event will recevie the event of container
	since := daemonTime(c).Unix()
	id, _ := dockerCmd(c, "run", "-d", "busybox", "top")
	cID := strings.TrimSpace(id)
	waitRun(cID)
	time.Sleep(2 * time.Second)
	duration := daemonTime(c).Unix() - since

	go func() {
		out, _ = dockerCmd(c, "events", "-f", "container=foo", "--since=0", fmt.Sprintf("--until=%d", daemonTime(c).Unix()+2*duration))
		close(ch)
	}()
	// Sleep 2 second to wait docker event to start
	time.Sleep(2 * time.Second)
	id, _ = dockerCmd(c, "run", "--name=foo", "-d", "busybox", "top")
	cID = strings.TrimSpace(id)
	waitRun(cID)
	<-ch
	c.Assert(out, checker.Contains, cID, check.Commentf("Missing event of container (foo)"))
}

func (blp *BinlogPlayer) dmlTableMatch(sqlSlice []string) bool {
	if blp.tables == nil {
		return true
	}
	if len(blp.tables) == 0 {
		return true
	}
	var firstKw string
	for _, sql := range sqlSlice {
		firstKw = strings.TrimSpace(strings.Split(sql, BLPL_SPACE)[0])
		if firstKw != "insert" && firstKw != "update" && firstKw != "delete" {
			continue
		}
		streamCommentIndex := strings.Index(sql, BLPL_STREAM_COMMENT_START)
		if streamCommentIndex == -1 {
			//log.Warningf("sql doesn't have stream comment '%v'", sql)
			//If sql doesn't have stream comment, don't match
			return false
		}
		tableName := strings.TrimSpace(strings.Split(sql[(streamCommentIndex+len(BLPL_STREAM_COMMENT_START)):], BLPL_SPACE)[0])
		for _, table := range blp.tables {
			if tableName == table {
				return true
			}
		}
	}

	return false
}

//资料修改
func (this *AccountController) Profile() {
	user := models.User{Id: this.userid}
	if err := user.Read(); err != nil {
		this.showmsg(err.Error())
	}
	if this.isPost() {
		errmsg := make(map[string]string)
		password := strings.TrimSpace(this.GetString("password"))
		newpassword := strings.TrimSpace(this.GetString("newpassword"))
		newpassword2 := strings.TrimSpace(this.GetString("newpassword2"))
		updated := false
		if newpassword != "" {
			if password == "" || util.Md5([]byte(password)) != user.Password {
				errmsg["password"] = "当前密码错误"
			} else if len(newpassword) < 6 {
				errmsg["newpassword"] = "密码长度不能少于6个字符"
			} else if newpassword != newpassword2 {
				errmsg["newpassword2"] = "两次输入的密码不一致"
			}
			if len(errmsg) == 0 {
				user.Password = util.Md5([]byte(newpassword))
				user.Update("password")
				updated = true
			}
		}
		this.Data["updated"] = updated
		this.Data["errmsg"] = errmsg
	}
	this.Data["user"] = user
	this.display()
}

func ParseHashtags(text string) (string, string) {
	words := strings.Fields(text)

	hashtagString := ""
	plainString := ""
	for _, word := range words {
		// trim off surrounding punctuation
		word = puncStart.ReplaceAllString(word, "")
		word = puncEnd.ReplaceAllString(word, "")

		// and remove extra pound #s
		word = hashtagStart.ReplaceAllString(word, "#")

		if validHashtag.MatchString(word) {
			hashtagString += " " + word
		} else {
			plainString += " " + word
		}
	}

	if len(hashtagString) > 1000 {
		hashtagString = hashtagString[:999]
		lastSpace := strings.LastIndex(hashtagString, " ")
		if lastSpace > -1 {
			hashtagString = hashtagString[:lastSpace]
		} else {
			hashtagString = ""
		}
	}

	return strings.TrimSpace(hashtagString), strings.TrimSpace(plainString)
}

func (this *Domain) domainData(out chan interface{}, in chan int8) {
	var (
		tname = "zhejiang_urltrack_" + time.Now().Format("200601")
		btime = timestamp.GetHourTimestamp(-1)
		etime = timestamp.GetHourTimestamp(0)
	)

	sc := hbase.NewScan([]byte(tname), 10000, this.hb)
	sc.StartRow = []byte(btime)
	sc.StopRow = []byte(etime)

	for {
		row := sc.Next()
		if row == nil {
			break
		}

		ad := strings.TrimSpace(string(row.Columns["base:ad"].Value))
		ua := strings.TrimSpace(string(row.Columns["base:ua"].Value))
		cids := make([]string, 0, len(row.Columns)-2)

		for _, v := range row.Columns {
			if string(v.Family) == "cids" {
				cids = append(cids, string(v.Qual))
			}
		}

		out <- fmt.Sprintf("%s\t%s\t%s", ad, ua, strings.Join(cids, ","))
	}
	in <- 1
	sc.Close()
}

func (s *DockerSuite) TestLinksHostsFilesInject(c *check.C) {
	testRequires(c, SameHostDaemon, ExecSupport)

	out, _ := dockerCmd(c, "run", "-itd", "--name", "one", "busybox", "top")
	idOne := strings.TrimSpace(out)

	out, _ = dockerCmd(c, "run", "-itd", "--name", "two", "--link", "one:onetwo", "busybox", "top")
	idTwo := strings.TrimSpace(out)

	time.Sleep(1 * time.Second)

	contentOne, err := readContainerFileWithExec(idOne, "/etc/hosts")
	if err != nil {
		c.Fatal(err, string(contentOne))
	}

	contentTwo, err := readContainerFileWithExec(idTwo, "/etc/hosts")
	if err != nil {
		c.Fatal(err, string(contentTwo))
	}

	if !strings.Contains(string(contentTwo), "onetwo") {
		c.Fatal("Host is not present in updated hosts file", string(contentTwo))
	}

}

func (s *DockerSuite) TestRestartContainerwithRestartPolicy(c *check.C) {
	out1, _ := dockerCmd(c, "run", "-d", "--restart=on-failure:3", "busybox", "false")
	out2, _ := dockerCmd(c, "run", "-d", "--restart=always", "busybox", "false")

	id1 := strings.TrimSpace(string(out1))
	id2 := strings.TrimSpace(string(out2))
	err := waitInspect(id1, "{{ .State.Restarting }} {{ .State.Running }}", "false false", 30*time.Second)
	c.Assert(err, checker.IsNil)

	// TODO: fix racey problem during restart:
	// https://jenkins.dockerproject.org/job/Docker-PRs-Win2Lin/24665/console
	// Error response from daemon: Cannot restart container 6655f620d90b390527db23c0a15b3e46d86a58ecec20a5697ab228d860174251: remove /var/run/docker/libcontainerd/6655f620d90b390527db23c0a15b3e46d86a58ecec20a5697ab228d860174251/rootfs: device or resource busy
	if _, _, err := dockerCmdWithError("restart", id1); err != nil {
		// if restart met racey problem, try again
		time.Sleep(500 * time.Millisecond)
		dockerCmd(c, "restart", id1)
	}
	if _, _, err := dockerCmdWithError("restart", id2); err != nil {
		// if restart met racey problem, try again
		time.Sleep(500 * time.Millisecond)
		dockerCmd(c, "restart", id2)
	}

	dockerCmd(c, "stop", id1)
	dockerCmd(c, "stop", id2)
	dockerCmd(c, "start", id1)
	dockerCmd(c, "start", id2)
}

func (s *systemtestSuite) TestVolpluginRestartMultiMount(c *C) {
	_, err := s.mon0cmd("sudo truncate -s0 /tmp/volplugin.log")
	c.Assert(err, IsNil)

	volName := fqVolume("policy1", genRandomVolume())

	c.Assert(s.createVolume("mon0", volName, map[string]string{"unlocked": "true"}), IsNil)
	out, err := s.dockerRun("mon0", false, true, volName, "sleep 10m")
	c.Assert(err, IsNil, Commentf(out))
	// test if any containers can start after this -- they should be able to.
	// This just starts and stops a container quickly.
	outErr, err := s.dockerRun("mon0", false, false, volName, "echo")
	c.Assert(err, IsNil, Commentf(outErr))
	out2, err := s.dockerRun("mon0", false, true, volName, "sleep 10m")
	c.Assert(err, IsNil, Commentf(out2))
	c.Assert(stopVolplugin(s.vagrant.GetNode("mon0")), IsNil)
	c.Assert(startVolplugin(s.vagrant.GetNode("mon0")), IsNil)
	c.Assert(waitForVolplugin(s.vagrant.GetNode("mon0")), IsNil)
	time.Sleep(15 * time.Second)

	out = strings.TrimSpace(out)
	out2 = strings.TrimSpace(out2)

	errout, err := s.mon0cmd(fmt.Sprintf("docker kill -s KILL '%s' && sleep 1 && docker rm '%s'", out, out))
	c.Assert(err, IsNil, Commentf(errout))
	errout, err = s.mon0cmd(fmt.Sprintf("docker kill -s KILL '%s' && sleep 1 && docker rm '%s'", out2, out2))
	c.Assert(err, IsNil, Commentf(errout))

	errout, err = s.mon0cmd("grep 500 /tmp/volplugin.log")
	c.Assert(err, NotNil, Commentf(errout))
}

func readJson(r io.Reader) ([]byte, error) {

	s, err := ioutil.ReadAll(r)
	if err != nil {
		return s, err
	}

	lines := make([]string, 0)
	for _, line := range strings.Split(strings.Replace(string(s), "\r\n", "\n", -1), "\n") {
		line = strings.TrimSpace(line)
		if line == "" || strings.HasPrefix(line, "//") {
			continue
		}
		lines = append(lines, line)
	}

	var b bytes.Buffer
	for i, line := range lines {
		if i < len(lines)-1 {
			nextLine := strings.TrimSpace(lines[i+1])
			if nextLine == "]" ||
				nextLine == "]," ||
				nextLine == "}" ||
				nextLine == "}," {
				if strings.HasSuffix(line, ",") {
					line = strings.TrimSuffix(line, ",")
				}
			}
		}
		b.WriteString(line)
	}

	return b.Bytes(), nil
}

func (g *Goop) currentRev(vcsCmd string, path string) (string, error) {
	switch vcsCmd {
	case "git":
		cmd := exec.Command("git", "rev-parse", "--verify", "HEAD")
		cmd.Dir = path
		cmd.Stderr = g.stderr
		rev, err := cmd.Output()
		if err != nil {
			return "", err
		} else {
			return strings.TrimSpace(string(rev)), err
		}
	case "hg":
		cmd := exec.Command("hg", "log", "-r", ".", "--template", "{node}")
		cmd.Dir = path
		cmd.Stderr = g.stderr
		rev, err := cmd.Output()
		if err != nil {
			return "", err
		} else {
			return strings.TrimSpace(string(rev)), err
		}
	}
	return "", &UnsupportedVCSError{VCS: vcsCmd}
}

func wrapText(s string, l int, prefix string) string {
	// Basic text wrapping of s at spaces to fit in l
	var ret string

	s = strings.TrimSpace(s)

	for len(s) > l {
		// Try to split on space
		suffix := ""

		pos := strings.LastIndex(s[:l], " ")

		if pos < 0 {
			pos = l - 1
			suffix = "-\n"
		}

		if len(ret) != 0 {
			ret += "\n" + prefix
		}

		ret += strings.TrimSpace(s[:pos]) + suffix
		s = strings.TrimSpace(s[pos:])
	}

	if len(s) > 0 {
		if len(ret) != 0 {
			ret += "\n" + prefix
		}

		return ret + s
	}

	return ret
}