Move ValToString to stores.

Signed-off-by: Felix Fontein <felix@fontein.de>

stores/ini/store.go

@@ -4,9 +4,6 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
-	"time"
-
-	"strconv"
 	"strings"
 
 	"github.com/getsops/sops/v3"
@@ -57,7 +54,7 @@ func (store Store) encodeTree(branches sops.TreeBranches) ([]byte, error) {
 						lastItem.Comment = comment.Value
 					}
 				} else {
-					lastItem, err = section.NewKey(keyVal.Key.(string), store.valToString(keyVal.Value))
+					lastItem, err = section.NewKey(keyVal.Key.(string), stores.ValToString(keyVal.Value))
 					if err != nil {
 						return nil, fmt.Errorf("Error encoding key: %s", err)
 					}
@@ -79,26 +76,6 @@ func (store Store) stripCommentChar(comment string) string {
 	return comment
 }
 
-func (store Store) valToString(v interface{}) string {
-	switch v := v.(type) {
-	case float64:
-		result := strconv.FormatFloat(v, 'G', -1, 64)
-		// If the result can be confused with an integer, make sure we have at least one decimal digit
-		if !strings.ContainsRune(result, '.') && !strings.ContainsRune(result, 'E') {
-			result = strconv.FormatFloat(v, 'f', 1, 64)
-		}
-		return result
-	case bool:
-		return strconv.FormatBool(v)
-	case time.Time:
-		return v.Format(time.RFC3339)
-	case fmt.Stringer:
-		return v.String()
-	default:
-		return fmt.Sprintf("%v", v)
-	}
-}
-
 func (store Store) iniFromTreeBranches(branches sops.TreeBranches) ([]byte, error) {
 	return store.encodeTree(branches)
 }

stores/ini/store_test.go

@@ -2,7 +2,6 @@ package ini
 
 import (
 	"testing"
-	"time"
 
 	"github.com/getsops/sops/v3"
 	"github.com/stretchr/testify/assert"
@@ -183,22 +182,3 @@ func TestUnmarshalMetadataFromNonSOPSFile(t *testing.T) {
 	_, err := store.LoadEncryptedFile(data)
 	assert.Equal(t, sops.MetadataNotFound, err)
 }
-
-func TestValToString(t *testing.T) {
-	store := Store{}
-	assert.Equal(t, "1", store.valToString(1))
-	assert.Equal(t, "1.0", store.valToString(1.0))
-	assert.Equal(t, "1.1", store.valToString(1.10))
-	assert.Equal(t, "1.23", store.valToString(1.23))
-	assert.Equal(t, "1.2345678901234567", store.valToString(1.234567890123456789))
-	assert.Equal(t, "200000.0", store.valToString(2E5))
-	assert.Equal(t, "-2E+10", store.valToString(-2E10))
-	assert.Equal(t, "2E-10", store.valToString(2E-10))
-	assert.Equal(t, "1.2345E+100", store.valToString(1.2345E100))
-	assert.Equal(t, "1.2345E-100", store.valToString(1.2345E-100))
-	assert.Equal(t, "true", store.valToString(true))
-	assert.Equal(t, "false", store.valToString(false))
-	ts, _ := time.Parse(time.RFC3339, "2025-01-02T03:04:05Z")
-	assert.Equal(t, "2025-01-02T03:04:05Z", store.valToString(ts))
-	assert.Equal(t, "a string", store.valToString("a string"))
-}

stores/stores.go

@@ -10,9 +10,10 @@ of the purpose of this package is to make it easy to change the SOPS file format
 package stores
 
 import (
-	"time"
-
 	"fmt"
+	"strconv"
+	"strings"
+	"time"
 
 	"github.com/getsops/sops/v3"
 	"github.com/getsops/sops/v3/age"
@@ -533,3 +534,25 @@ func HasSopsTopLevelKey(branch sops.TreeBranch) bool {
 	}
 	return false
 }
+
+// ValToString converts a simple value to a string.
+// It does not handle complex values (arrays and mappings).
+func ValToString(v interface{}) string {
+	switch v := v.(type) {
+	case float64:
+		result := strconv.FormatFloat(v, 'G', -1, 64)
+		// If the result can be confused with an integer, make sure we have at least one decimal digit
+		if !strings.ContainsRune(result, '.') && !strings.ContainsRune(result, 'E') {
+			result = strconv.FormatFloat(v, 'f', 1, 64)
+		}
+		return result
+	case bool:
+		return strconv.FormatBool(v)
+	case time.Time:
+		return v.Format(time.RFC3339)
+	case fmt.Stringer:
+		return v.String()
+	default:
+		return fmt.Sprintf("%v", v)
+	}
+}

stores/stores_test.go

@@ -0,0 +1,27 @@
+package stores
+
+import (
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+)
+
+
+func TestValToString(t *testing.T) {
+	assert.Equal(t, "1", ValToString(1))
+	assert.Equal(t, "1.0", ValToString(1.0))
+	assert.Equal(t, "1.1", ValToString(1.10))
+	assert.Equal(t, "1.23", ValToString(1.23))
+	assert.Equal(t, "1.2345678901234567", ValToString(1.234567890123456789))
+	assert.Equal(t, "200000.0", ValToString(2E5))
+	assert.Equal(t, "-2E+10", ValToString(-2E10))
+	assert.Equal(t, "2E-10", ValToString(2E-10))
+	assert.Equal(t, "1.2345E+100", ValToString(1.2345E100))
+	assert.Equal(t, "1.2345E-100", ValToString(1.2345E-100))
+	assert.Equal(t, "true", ValToString(true))
+	assert.Equal(t, "false", ValToString(false))
+	ts, _ := time.Parse(time.RFC3339, "2025-01-02T03:04:05Z")
+	assert.Equal(t, "2025-01-02T03:04:05Z", ValToString(ts))
+	assert.Equal(t, "a string", ValToString("a string"))
+}