test(debug): improve tests

Author: zeek0x

debug.go

@@ -15,6 +15,8 @@ import (
 
 const ginSupportMinGoVer = 24
 
+var runtimeVersion = runtime.Version()
+
 // IsDebugging returns true if the framework is running in debug mode.
 // Use SetMode(gin.ReleaseMode) to disable debug mode.
 func IsDebugging() bool {
@@ -77,7 +79,7 @@ func getMinVer(v string) (uint64, error) {
 }
 
 func debugPrintWARNINGDefault() {
-	if v, e := getMinVer(runtime.Version()); e == nil && v < ginSupportMinGoVer {
+	if v, e := getMinVer(runtimeVersion); e == nil && v < ginSupportMinGoVer {
 		debugPrint(`[WARNING] Now Gin requires Go 1.24+.
 
 `)

debug_test.go

@@ -12,7 +12,6 @@ import (
 	"log"
 	"net/http"
 	"os"
-	"runtime"
 	"strings"
 	"sync"
 	"testing"
@@ -21,10 +20,6 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-// TODO
-// func debugRoute(httpMethod, absolutePath string, handlers HandlersChain) {
-// func debugPrint(format string, values ...any) {
-
 func TestIsDebugging(t *testing.T) {
 	SetMode(DebugMode)
 	assert.True(t, IsDebugging())
@@ -48,6 +43,18 @@ func TestDebugPrint(t *testing.T) {
 	assert.Equal(t, "[GIN-debug] these are 2 error messages\n", re)
 }
 
+func TestDebugPrintFunc(t *testing.T) {
+	DebugPrintFunc = func(format string, values ...any) {
+		fmt.Fprintf(DefaultWriter, "[GIN-debug] "+format, values...)
+	}
+	re := captureOutput(t, func() {
+		SetMode(DebugMode)
+		debugPrint("debug print func test: %d", 123)
+		SetMode(TestMode)
+	})
+	assert.Regexp(t, `^\[GIN-debug\] debug print func test: 123`, re)
+}
+
 func TestDebugPrintError(t *testing.T) {
 	re := captureOutput(t, func() {
 		SetMode(DebugMode)
@@ -104,12 +111,17 @@ func TestDebugPrintWARNINGDefault(t *testing.T) {
 		debugPrintWARNINGDefault()
 		SetMode(TestMode)
 	})
-	m, e := getMinVer(runtime.Version())
-	if e == nil && m < ginSupportMinGoVer {
-		assert.Equal(t, "[GIN-debug] [WARNING] Now Gin requires Go 1.24+.\n\n[GIN-debug] [WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached.\n\n", re)
-	} else {
-		assert.Equal(t, "[GIN-debug] [WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached.\n\n", re)
-	}
+	assert.Equal(t, "[GIN-debug] [WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached.\n\n", re)
+}
+
+func TestDebugPrintWARNINGDefaultWithUnsupportedVersion(t *testing.T) {
+	runtimeVersion = "go1.23.12"
+	re := captureOutput(t, func() {
+		SetMode(DebugMode)
+		debugPrintWARNINGDefault()
+		SetMode(TestMode)
+	})
+	assert.Equal(t, "[GIN-debug] [WARNING] Now Gin requires Go 1.24+.\n\n[GIN-debug] [WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached.\n\n", re)
 }
 
 func TestDebugPrintWARNINGNew(t *testing.T) {