Add tests for IsDuplicate()

pkg/config/generic_map.go

@@ -21,6 +21,8 @@ import "github.com/netobserv/flowlogs-pipeline/pkg/utils"
 
 type GenericMap map[string]interface{}
 
+const duplicateFieldName = "Duplicate"
+
 // Copy will create a flat copy of GenericMap
 func (m GenericMap) Copy() GenericMap {
 	result := make(GenericMap, len(m))
@@ -33,7 +35,7 @@ func (m GenericMap) Copy() GenericMap {
 }
 
 func (m GenericMap) IsDuplicate() bool {
-	if duplicate, hasKey := m["Duplicate"]; hasKey {
+	if duplicate, hasKey := m[duplicateFieldName]; hasKey {
 		if isDuplicate, err := utils.ConvertToBool(duplicate); err == nil {
 			return isDuplicate
 		}

pkg/config/generic_map_test.go

@@ -3,6 +3,8 @@ package config
 import (
 	"fmt"
 	"testing"
+
+	"github.com/stretchr/testify/require"
 )
 
 func BenchmarkGenericMap_Copy(b *testing.B) {
@@ -15,3 +17,49 @@ func BenchmarkGenericMap_Copy(b *testing.B) {
 		_ = m.Copy()
 	}
 }
+
+func TestGenericMap_IsDuplicate(t *testing.T) {
+	table := []struct {
+		name     string
+		input    GenericMap
+		expected bool
+	}{
+		{
+			"Duplicate: true",
+			GenericMap{duplicateFieldName: true},
+			true,
+		},
+		{
+			"Duplicate: false",
+			GenericMap{duplicateFieldName: false},
+			false,
+		},
+		{
+			"Missing field",
+			GenericMap{},
+			false,
+		},
+		{
+			"Convert 'true'",
+			GenericMap{duplicateFieldName: "true"},
+			true,
+		},
+		{
+			"Convert 'false'",
+			GenericMap{duplicateFieldName: "false"},
+			false,
+		},
+		{
+			"Conversion failure: 'maybe'",
+			GenericMap{duplicateFieldName: "maybe"},
+			false,
+		},
+	}
+
+	for _, testCase := range table {
+		t.Run(testCase.name, func(tt *testing.T) {
+			actual := testCase.input.IsDuplicate()
+			require.Equal(tt, testCase.expected, actual)
+		})
+	}
+}