fix error and make up codes for circuit breakers patters

README.md

@@ -56,7 +56,8 @@ Go常用的、面向工程化和最佳实践的模式套路，包含常见的23
 
 [菜鸟教程—设计模式](https://www.runoob.com/design-pattern/design-pattern-tutorial.html)
 
-[GO设计模式](https://github.com/senghoo/golang-design-pattern)
+[23-Pattern-in-Go](https://github.com/senghoo/golang-design-pattern)
+
 
 ## 更多
 

gomore/28_profiles/time_profile_test.go

@@ -1,16 +1,14 @@
-package profile
+package timeprofile
 
 import (
 	"log"
 	"math/big"
-	"time"
 	"testing"
+	"time"
 )
 
-
 func TestBigintProfile(t *testing.T) {
 
-
 	bigint := big.NewInt(14468)
 
 	BigIntFactorial(bigint)
@@ -21,7 +19,6 @@ func TestBigintProfile(t *testing.T) {
 
 }
 
-
 //Duration for time differ
 func Duration(invocation time.Time, name string) {
 	elapsed := time.Since(invocation)

gomore/circuit_breaker/circuit_breaker_test.go

@@ -2,9 +2,14 @@ package circuit
 
 import (
 	"context"
+	"errors"
 	"time"
 )
 
+var (
+	ErrServiceUnavailable = errors.New("Service Unavailable")
+)
+
 type State int
 
 const (
@@ -13,6 +18,7 @@ const (
 	SuccessState
 )
 
+//Counter interface
 type Counter interface {
 	Count(State)
 	ConsecutiveFailures() uint32
@@ -20,19 +26,47 @@ type Counter interface {
 	Reset()
 }
 
+type counters struct {
+	state        State
+	lastActivity time.Time
+}
+
+func (c *counters) Count(State) {
+
+}
+
+func (c *counters) ConsecutiveFailures() uint32 {
+
+	return 0
+}
+
+func (c *counters) LastActivity() time.Time {
+	return c.lastActivity
+}
+
+func (c *counters) Reset() {
+
+}
+
+func NewCounter() Counter {
+	var i Counter
+	return i
+}
+
 type Circuit func(context.Context) error
 
 func Breaker(c Circuit, failureThreshold uint32) Circuit {
+
 	cnt := NewCounter()
 
-	return func(ctx context) error {
+	return func(ctx context.Context) error {
 		if cnt.ConsecutiveFailures() >= failureThreshold {
-			canRetry := func(cnt Counter) {
+			canRetry := func(cnt Counter) bool {
-				backoffLevel := Cnt.ConsecutiveFailures() - failureThreshold
+				backoffLevel := cnt.ConsecutiveFailures() - failureThreshold
 
 				// Calculates when should the circuit breaker resume propagating requests
 				// to the service
-				shouldRetryAt := cnt.LastActivity().Add(time.Seconds * 2 << backoffLevel)
+				shouldRetryAt := cnt.LastActivity().Add(time.Second * 2 << backoffLevel)
 
 				return time.Now().After(shouldRetryAt)
 			}