Fix golint

Add full example with mapstructure

_examples/assert_json/json_test.go

@@ -1,11 +1,18 @@
 package assert_json
 
 import (
+	"fmt"
+	"strings"
 	"testing"
 
+	"github.com/mitchellh/mapstructure"
 	baloo "gopkg.in/h2non/baloo.v2"
 )
 
+type UserAgent struct {
+	Value string `mapstructure:"user-agent"`
+}
+
 // test stores the HTTP testing client preconfigured
 var test = baloo.New("http://httpbin.org")
 
@@ -27,7 +34,14 @@ func TestBalooJSONCustomAssertion(t *testing.T) {
 		Type("json").
 		JSON(`{"user-agent":"baloo/` + baloo.Version + `"}`).
 		VerifyJSON(func(data map[string]interface{}) error {
-			// check your json response here
+			var result UserAgent
+			err := mapstructure.Decode(data, &result)
+			if err != nil {
+				return err
+			}
+			if !strings.Contains(result.Value, "baloo") {
+				return fmt.Errorf("bad user-agent: %s, %s", result.Value, data)
+			}
 			return nil
 		}).
 		Done()

assert/json.go

@@ -10,8 +10,8 @@ import (
 	"reflect"
 )
 
-// convert types take an int and return a string value.
-type FnJsonVerify func(map[string]interface{}) error
+// FnJSONVerify callable function that take a JSON map, test this data and can return an error.
+type FnJSONVerify func(map[string]interface{}) error
 
 func unmarshal(buf []byte) (map[string]interface{}, error) {
 	data := make(map[string]interface{})
@@ -116,7 +116,7 @@ func JSON(data interface{}) Func {
 
 // VerifyJSON extract JSON in body and call fn with result
 // write your own test on data
-func VerifyJSON(fn FnJsonVerify) Func {
+func VerifyJSON(fn FnJSONVerify) Func {
 	return func(res *http.Response, req *http.Request) error {
 		// Read and unmarshal response body as JSON
 		body, err := unmarshalBody(res)

expect.go

@@ -157,7 +157,7 @@ func (e *Expect) JSON(data interface{}) *Expect {
 
 // VerifyJSON  asserts the response body with the given function
 // write your own test on data
-func (e *Expect) VerifyJSON(fn assert.FnJsonVerify) *Expect {
+func (e *Expect) VerifyJSON(fn assert.FnJSONVerify) *Expect {
 	e.AssertFunc(assert.VerifyJSON(fn))
 	return e
 }

log.go

@@ -14,17 +14,17 @@ import (
 )
 
 var scanStackForFile = true
-var logf_func = logf
+var logfFunc = logf
 
 const noStackOffset = 0
 
 // Logf adds the actual file:line information to the log message
 func Logf(t *testing.T, format string, args ...interface{}) {
-	logf_func(t, noStackOffset, "\n"+format, args...)
+	logfFunc(t, noStackOffset, "\n"+format, args...)
 }
 
 func logfatal(t *testing.T, format string, args ...interface{}) {
-	logf_func(t, noStackOffset, format, args...)
+	logfFunc(t, noStackOffset, format, args...)
 	t.FailNow()
 }
 
@@ -34,7 +34,7 @@ func logerror(t *testing.T, args ...interface{}) {
 }
 
 func logerrorf(t *testing.T, format string, args ...interface{}) {
-	logf_func(t, noStackOffset, format, args...)
+	logfFunc(t, noStackOffset, format, args...)
 	t.Fail()
 }