diff --git a/debug.go b/debug.go index ce908dc7e8..4fd23fa1d0 100644 --- a/debug.go +++ b/debug.go @@ -8,8 +8,13 @@ import ( "bytes" "fmt" "html/template" + "runtime" + "strconv" + "strings" ) +const ginSupportMinGoVer = 6 + // IsDebugging returns true if the framework is running in debug mode. // Use SetMode(gin.ReleaseMode) to disable debug mode. func IsDebugging() bool { @@ -49,10 +54,21 @@ func debugPrint(format string, values ...interface{}) { } } +func getMinVer(v string) (uint64, error) { + first := strings.IndexByte(v, '.') + last := strings.LastIndexByte(v, '.') + if first == last { + return strconv.ParseUint(v[first+1:], 10, 64) + } + return strconv.ParseUint(v[first+1:last], 10, 64) +} + func debugPrintWARNINGDefault() { - debugPrint(`[WARNING] Now Gin requires Go 1.6 or later and Go 1.7 will be required soon. + if v, e := getMinVer(runtime.Version()); e == nil && v <= ginSupportMinGoVer { + debugPrint(`[WARNING] Now Gin requires Go 1.6 or later and Go 1.7 will be required soon. `) + } debugPrint(`[WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached. `) diff --git a/debug_test.go b/debug_test.go index 0b9d79109f..c8a010ff5d 100644 --- a/debug_test.go +++ b/debug_test.go @@ -11,6 +11,7 @@ import ( "io" "log" "os" + "runtime" "sync" "testing" @@ -88,7 +89,13 @@ func TestDebugPrintWARNINGDefault(t *testing.T) { debugPrintWARNINGDefault() SetMode(TestMode) }) - assert.Equal(t, "[GIN-debug] [WARNING] Now Gin requires Go 1.6 or later and Go 1.7 will be required soon.\n\n[GIN-debug] [WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached.\n\n", re) + m, e := getMinVer(runtime.Version()) + assert.Nil(t, e) + if m <= ginSupportMinGoVer { + assert.Equal(t, "[GIN-debug] [WARNING] Now Gin requires Go 1.6 or later and Go 1.7 will be required soon.\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) + } } func TestDebugPrintWARNINGNew(t *testing.T) { @@ -129,3 +136,18 @@ func captureOutput(f func()) string { writer.Close() return <-out } + +func TestGetMinVer(t *testing.T) { + var m uint64 + var e error + _, e = getMinVer("go1") + assert.NotNil(t, e) + m, e = getMinVer("go1.1") + assert.Equal(t, uint64(1), m) + assert.Nil(t, e) + m, e = getMinVer("go1.1.1") + assert.Nil(t, e) + assert.Equal(t, uint64(1), m) + _, e = getMinVer("go1.1.1.1") + assert.NotNil(t, e) +}