func String(s fmt.Stringer) string {
if reflect.ValueOf(s).IsNil() {
return ""
}
return s.String()
}
func TestGraphSupportsDownCasting(t *testing.T) {
RegisterTestingT(t)
graph := inject.NewGraph()
var (
d fmt.Stringer
)
graph.Define(&d, inject.NewProvider(NewD))
graph.ResolveAll()
Expect(d).To(Equal(NewD()))
Expect(d.String()).To(Equal("&ImplD{}"))
expectedString := `&graph\{
definitions: \[
&definition\{
ptr: \*fmt\.Stringer=0x.*,
provider: &provider\{
constructor: func\(\) \*test\.ImplD,
argPtrs: \[\]
\},
value: <\*test\.ImplD Value>
\}
\]
\}`
Expect(graph.String()).To(MatchRegexp(expectedString))
}
func TestInterfaces(t *testing.T) {
db, err := bolt.Open("my4.db", 0600, nil)
if err != nil {
t.Error(err.Error())
}
defer os.Remove("my4.db")
defer db.Close()
s := NewStore(db, []byte("interface"))
var j fmt.Stringer = &MyType{"First", "Last"}
s.Put([]byte("test"), &j)
err = s.ForEach(func(str fmt.Stringer) {
if str.String() != "First Last" {
t.Errorf("unexpected string %s", str)
}
})
if err != nil {
t.Error(err.Error())
}
var i fmt.Stringer
err = s.Get([]byte("test"), &i)
if err != nil {
t.Error(err.Error())
} else {
if i.String() != "First Last" {
t.Errorf("unexpected string %s", i)
}
}
}
// Insert adds a new item to the hash map or, if the key already exists,
// replaces the current item with the new one.
func (pm *ParMap) Insert(item fmt.Stringer) {
key := item.String()
shard := pm.getShard(key)
shard.mutex.Lock()
shard.index[key] = item
shard.mutex.Unlock()
}
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)
}
}
func assert(t *testing.T, o fmt.Stringer, s string) {
if o.String() != s {
t.Log("Expected object to be resolved differently as a String:")
t.Logf("Object: %#v", o)
t.Logf("Expected: %q", s)
t.Fatalf("Got: %q", o.String())
}
}
func (v *ASTStringer) AddWithFallback(color string, what fmt.Stringer, fallback string) *ASTStringer {
if !isNil(what) {
v.AddStringColored(color, what.String())
} else {
v.AddStringColored(color, fallback)
}
return v
}
func (cLogger *commonLogger) processLogMsg(level LogLevel, message fmt.Stringer, context LogContextInterface) {
defer func() {
if err := recover(); err != nil {
reportInternalError(fmt.Errorf("recovered from panic during message processing: %s", err))
}
}()
if cLogger.config.IsAllowed(level, context) {
cLogger.config.RootDispatcher.Dispatch(message.String(), level, context, reportInternalError)
}
}
// Lookup finds the first node in the current scope by name.
func (s *Scope) Lookup(token fmt.Stringer) (ssa.Node, error) {
name := token.String()
if s.Empty() {
return nil, fmt.Errorf("can't find a node '%s' in an empty scope stack", name)
}
for _, symtab := range s.stack.list {
if symtab.contains(name) {
return symtab.get(name)
}
}
return nil, fmt.Errorf("'%s' not yet declared", name)
}
func safeString(str fmt.Stringer) (s string, ok bool) {
defer func() {
if panicVal := recover(); panicVal != nil {
if v := reflect.ValueOf(str); v.Kind() == reflect.Ptr && v.IsNil() {
s, ok = "null", false
} else {
panic(panicVal)
}
}
}()
s, ok = str.String(), true
return
}
func safeString(str fmt.Stringer) (s string) {
defer func() {
if panicVal := recover(); panicVal != nil {
if v := reflect.ValueOf(str); v.Kind() == reflect.Ptr && v.IsNil() {
s = "NULL"
} else {
panic(panicVal)
}
}
}()
s = str.String()
return
}
// Global sets a node and its name in the global scope.
func (s *Scope) Global(token fmt.Stringer, n ssa.Node) error {
name := token.String()
symtab, err := s.stack.bottom()
if err != nil {
return err
}
if symtab.contains(name) {
return fmt.Errorf("'%s' already declared globally", name)
}
err = symtab.set(name, n)
if err != nil {
return err
}
return nil
}
func (cLogger *commonLogger) processLogMsg(
level LogLevel,
message fmt.Stringer,
context logContextInterface) {
defer func() {
if err := recover(); err != nil {
fmt.Println(err)
}
}()
if cLogger.config.IsAllowed(level, context) {
cLogger.config.RootDispatcher.Dispatch(message.String(), level, context, reportInternalError)
}
}
// Add adds a name to the topmost scope in the scope stack.
func (s *Scope) Add(token fmt.Stringer, n ssa.Node) error {
name := token.String()
if s.Contains(name) {
return fmt.Errorf("'%s' already declared", name)
}
symtab, err := s.stack.peek()
if err != nil {
return err
}
err = symtab.set(name, n)
if err != nil {
return err
}
return nil
}
func TestNXTStringer(t *testing.T) {
name, devicePath := "testingbot", "/dev/tty-foobar"
var n fmt.Stringer
n = NewNXT(name, devicePath)
if n == nil {
t.Errorf("Calling NewNXT should not result in a nil NXT instance.")
return
}
expected, actual := fmt.Sprintf("NXT \"%s\": %s", name, devicePath), n.String()
if actual != expected {
t.Errorf("Expected NXT.String to return \"%s\", but got \"%s\" instead", expected, actual)
}
}
func (w *Web) pathDealer(re *regexp.Regexp, str fmt.Stringer) {
names := re.SubexpNames()
matches := re.FindStringSubmatch(str.String())
for key, name := range names {
if name != "" {
w.Param.Set(name, matches[key])
}
}
switch str.(type) {
case pathStr:
w.pri.curpath += matches[0]
w.pri.path = w.pri.path[re.FindStringIndex(w.pri.path)[1]:]
}
}
// Trust takes a name token and node that has not yet been defined and "trusts"
// that it will be defined later according to the node type values that were
// implied by the parser.
func (t *TBV) Trust(token fmt.Stringer, node ssa.Node) {
name := token.String()
if _, ok := t.table[name]; ok {
// p.enter()("'" + name + "' is already being trusted.")
} else {
t.table[name] = node
}
}
// SendSync sends SYNC message to the writer, tagging it as sent from node,
// described by given source and adding optional description for the given
// SYNC phase taken by extraction it from the original SYNC message, sent
// by node.
func (protocol *syncProtocol) SendSync(
source fmt.Stringer,
sync string,
) error {
data := strings.TrimSpace(
strings.TrimPrefix(sync, protocol.prefix+" "+syncProtocolSync),
)
_, err := io.WriteString(
protocol.output,
syncProtocolSync+" "+source.String()+" "+data+"\n",
)
if err != nil {
return protocolSuspendEOF(err)
}
return nil
}
//AddValue ajoute dans la BD
func (dbManager *DbManager) AddValue(bucketName string, key string, object fmt.Stringer) error {
err := dbManager.db.Update(func(tx *bolt.Tx) error {
bucket, err := tx.CreateBucketIfNotExists([]byte(bucketName))
if err != nil {
return err
}
encoded := object.String()
return bucket.Put([]byte(key), []byte(encoded))
})
if err == nil {
logger.Print("Ajout de " + key + " dans la bd")
} else {
logger.Error("Erreur lors de l'ajout dans la bd", err)
}
return nil
}
// Verify verifies that the provided token and node match with a corresponding
// pair that were trusted previously.
func (t *TBV) Verify(tok fmt.Stringer, node ssa.Node) (bool, error) {
name := tok.String()
// check if the node is present in the TBV table
if trustNode, ok := t.table[name]; ok {
if trustNode.Type() != node.Type() {
return true, errors.New("mismatch types")
}
switch trustNode.Type().Token() {
case token.FUNC:
trustFuncType := trustNode.Type().(*types.Func)
funcType := node.Type().(*types.Func)
if trustFuncType.Value() != nil {
if trustFuncType.Value() != funcType.Value() {
return false, errors.New("The function '" + name + "' must return either a type " + trustFuncType.Value().String() + " or " + funcType.Value().String() + ". Not both.")
}
}
if trustFuncType.Arity() != funcType.Arity() {
return false, errors.New("Number of arguments do not match.")
}
trustParam := trustFuncType.Param()
param := funcType.Param()
for param != nil {
if param != trustParam {
return false, errors.New("Parameter types are off.")
}
param = param.Next()
trustParam = trustParam.Next()
}
return true, nil
}
}
return false, nil
}
func (self *defaultLogger) output(s Severity, msg fmt.Stringer) {
if s > self.severity {
return
}
self.mu.Lock()
defer self.mu.Unlock()
ctx := newRuntimeContext(s, msg.String(), time.Now())
final := bytes.NewBufferString(self.formatter.Format(ctx))
if !bytes.HasSuffix(final.Bytes(), []byte("\n")) {
final.WriteString("\n")
}
if err := self.out.Dispatch(s, final.Bytes()); err != nil {
fmt.Fprintf(os.Stderr, "Couldn't dispatch msg (%s): %s\n", final, err)
return
}
if s == SeverityFatal {
fmt.Fprintf(os.Stderr, "Abort with backtrace for debugging purpose:\n%s\n", stack(false))
os.Exit(255)
}
}
// Contains checks if a token name appears in TBV table.
func (t TBV) Contains(token fmt.Stringer) bool {
name := token.String()
_, ok := t.table[name]
return ok
}
func stringer(s fmt.Stringer) string {
return s.String()
}
// Value returns the value associated with this context for key
func (p *testFromSuit) Value(key fmt.Stringer) interface{} {
return p.vars[key.String()]
}
// SetValue saves a value associated with this context for key
func (p *testFromSuit) SetValue(key fmt.Stringer, value interface{}) {
p.vars[key.String()] = value
}
func main() {
// int, float32, float64, string, bool, byte
var a int
a = 11
var hello string
hello = "Hello, World!"
var b byte
b = 10
fmt.Println(hello)
fmt.Printf("Number: %d\n", a)
fmt.Println("Byte:", b)
// run-time error
//n := 0
//num := 100 / n
//fmt.Println(num)
// compile-time error
//num := 100 / 0
//fmt.Println(num)
//name := getName()
//fmt.Println("Hello", name)
//name = getName1()
//fmt.Println("Hello", name)
for i := 0; i < 10; i++ {
fmt.Print(i)
fmt.Print(" ")
}
fmt.Println()
i := 0
switch i {
default:
fmt.Println("Default")
case 0, 1:
fmt.Println("Zero or One")
// The line below is used when we want the code to fall through the case below
//fallthrough
case 2:
fmt.Println("Two")
}
// infinite loop
//for {
//fmt.Println("Hello")
//}
for i := 1; i <= 100; i++ {
fmt.Print(fizzbuzz(i))
fmt.Print(" ")
}
fmt.Println()
var nums [5]int
fmt.Println(nums)
var x int = 10
var y int = 20
x, y = swap(x, y)
fmt.Println(x, y)
x, y = y, x
fmt.Println(x, y)
//var nums1 []int
nums1 := []int{}
nums1 = append(nums1, 1)
nums1 = append(nums1, 9)
nums1 = append(nums1, 2, 3)
fmt.Println(nums1)
nums2 := [5]int{1, 2, 3, 4, 5}
var slice []int
slice = nums2[:3]
slice[1] = 999
fmt.Println(nums2)
fmt.Println(slice)
nums3 := []int{1, 2, 3, 4, 5}
var slice1 []int
slice1 = append(slice1, nums3...)
fmt.Println(nums3)
fmt.Println(slice1)
//m := map[string]string{}
m := make(map[string]string)
m["name"] = "Kan"
m["company"] = "Pronto Marketing"
fmt.Println(m)
//m1 := map[string]map[string]string{
//"p1": map[string]string{
//"name": "Kan",
//},
//}
m1 := map[string]map[string]string{
"p1": {
"name": "Kan",
},
}
fmt.Println(m1)
arr := [10]int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
fmt.Println(arr)
fmt.Println(arr[:])
results := []int{}
results = even(arr[:])
fmt.Println(results)
fmt.Println(arr)
//var add func(int, int) int = func(a, b int) int {
var add = func(a, b int) int {
return a + b
}
fmt.Println(add(9, 9))
fmt.Println(filter(func(n int) bool {
return n%2 == 0
}, []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}))
fmt.Println(filter(isEven, []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}))
num, err := div(100, 0)
if err != nil {
fmt.Println("Error:", err)
//return
} else {
fmt.Println(num)
}
n := Num(10)
n.printHello()
//fmt.Println(n.String())
//fmt.Println(n)
// If n does not implement String(), it will have error during the compile time
var s fmt.Stringer
s = n
fmt.Println(s.String())
var s1 interface{}
s1 = n
//ss := s1.(fmt.Stringer)
//fmt.Println(ss.String())
// Check if the interface can be converted into Stringer interface
if ss, ok := s1.(fmt.Stringer); ok {
fmt.Println(ss.String())
}
// The other way to check interface
// s.(type) can be used only with switch/case
n2 := NumTest(30)
var s2 interface{}
s2 = n2
switch ss1 := s2.(type) {
case fmt.Stringer:
fmt.Println(ss1.String())
default:
fmt.Printf("Not fmt.Stringer but is %T\n", s2)
}
c := Customer{
FirstName: "Kan",
LastName: "Ouivirach",
Age: 30,
}
fmt.Println(c)
fmt.Println(c.Name())
c1 := AnotherCustomer{
firstName: "Kan",
lastName: "Ouivirach",
age: 30,
}
c1.SetFirstName("Pronto")
fmt.Println(c1.Name())
}
// httpPost posts the req using the HTTP client. The call's method is
// appended to the endpoint and set as the URL path. The call's arguments
// are protobuf-serialized and written as the POST body. The content
// type is set to application/x-protobuf.
//
// On success, the response body is unmarshalled into call.Reply.
//
// HTTP response codes which are retryable are retried with backoff in a loop
// using the default retry options. Other errors sending HTTP request are
// retried indefinitely using the same client command ID to avoid reporting
// failure when in fact the command may go through and execute successfully. We
// retry here to eventually get through with the same client command ID and be
// given the cached response.
func httpPost(c postContext, request, response gogoproto.Message, method fmt.Stringer) error {
// Marshal the args into a request body.
body, err := gogoproto.Marshal(request)
if err != nil {
return err
}
sharedClient, err := c.Context.GetHTTPClient()
if err != nil {
return err
}
// TODO(pmattis): Figure out the right thing to do here. The HTTP client we
// get back from base.Context has a 3 second timeout. If a client operation
// takes longer than that it will be retried. If we're not in an explicit
// transaction the auto-transaction created on the server for the second
// operation will be different than the still running first operation giving
// them the potential to stomp on each other.
client := *sharedClient
client.Timeout = 60 * time.Second
url := c.Context.HTTPRequestScheme() + "://" + c.Server + c.Endpoint + method.String()
var (
req *http.Request
resp *http.Response
b []byte
)
for r := retry.Start(c.RetryOpts); r.Next(); {
req, err = http.NewRequest("POST", url, bytes.NewReader(body))
if err != nil {
return err
}
req.Header.Add(util.ContentTypeHeader, util.ProtoContentType)
req.Header.Add(util.AcceptHeader, util.ProtoContentType)
req.Header.Add(util.AcceptEncodingHeader, util.SnappyEncoding)
resp, err = client.Do(req)
if err != nil {
if log.V(1) {
log.Warning(err)
}
continue
}
defer resp.Body.Close()
switch resp.StatusCode {
case http.StatusOK:
// We're cool.
case http.StatusServiceUnavailable, http.StatusGatewayTimeout, StatusTooManyRequests:
// Retry on service unavailable and request timeout.
// TODO(spencer): consider respecting the Retry-After header for
// backoff / retry duration.
continue
default:
// Can't recover from all other errors.
return errors.New(resp.Status)
}
if resp.Header.Get(util.ContentEncodingHeader) == util.SnappyEncoding {
resp.Body = &snappyReader{body: resp.Body}
}
b, err = ioutil.ReadAll(resp.Body)
if err != nil {
if log.V(1) {
log.Warning(err)
}
continue
}
if err = gogoproto.Unmarshal(b, response); err != nil {
if log.V(1) {
log.Warning(err)
}
continue
}
break
}
return err
}
func (connection Connection) Send(command fmt.Stringer) {
connection.writeOut <- command.String()
}
// Sign the given item and return a Signature
func (pk PrivateKey) Sign(item fmt.Stringer) (Signature, error) {
bytes := []byte(item.String())
return pk.SignBytes(bytes)
}
func testMessageParse(t *testing.T, msg fmt.Stringer) {
res := ParseMessage(msg.String())
t.Logf("Parsed message is %q", res)
assert.AssertEquals(t, res[0], msg)
}
