feat: add validate

autopprof_test.go

@@ -918,7 +918,7 @@ func TestAutoPprof_watchGoroutineCount_consecutive(t *testing.T) {
 		GoroutineCount().
 		AnyTimes().
 		DoAndReturn(
-			func() (float64, error) {
+			func() (int, error) {
 				return 200, nil
 			},
 		)

error.go

@@ -13,6 +13,9 @@ var (
 	ErrInvalidMemThreshold = fmt.Errorf(
 		"autopprof: memory threshold value must be between 0 and 1",
 	)
+	ErrInvalidGoroutineThreshold = fmt.Errorf(
+		"autopprof: goroutine threshold value must be greater than 0",
+	)
 	ErrNilReporter         = fmt.Errorf("autopprof: Reporter can't be nil")
 	ErrDisableAllProfiling = fmt.Errorf("autopprof: all profiling is disabled")
 )

option.go

@@ -53,7 +53,7 @@ type Option struct {
 
 // NOTE(mingrammer): testing the validate() is done in autopprof_test.go.
 func (o Option) validate() error {
-	if o.DisableCPUProf && o.DisableMemProf {
+	if o.DisableCPUProf && o.DisableMemProf && o.DisableGoroutineProf {
 		return ErrDisableAllProfiling
 	}
 	if o.CPUThreshold < 0 || o.CPUThreshold > 1 {
@@ -62,6 +62,9 @@ func (o Option) validate() error {
 	if o.MemThreshold < 0 || o.MemThreshold > 1 {
 		return ErrInvalidMemThreshold
 	}
+	if o.GoroutineThreshold <= 0 {
+		return ErrInvalidGoroutineThreshold
+	}
 	if o.Reporter == nil {
 		return ErrNilReporter
 	}