fs: make Flagger and FlaggerNP interfaces public so we can test flags elsewhere

fs/bits_test.go

@@ -31,8 +31,8 @@ func (bitsChoices) Choices() []BitsChoicesInfo {
 
 // Check it satisfies the interfaces
 var (
-	_ flagger   = (*bits)(nil)
-	_ flaggerNP = bits(0)
+	_ Flagger   = (*bits)(nil)
+	_ FlaggerNP = bits(0)
 )
 
 func TestBitsString(t *testing.T) {

fs/bwtimetable_test.go

@@ -11,8 +11,8 @@ import (
 
 // Check it satisfies the interfaces
 var (
-	_ flagger   = (*BwTimetable)(nil)
-	_ flaggerNP = BwTimetable{}
+	_ Flagger   = (*BwTimetable)(nil)
+	_ FlaggerNP = BwTimetable{}
 )
 
 func TestBwTimetableSet(t *testing.T) {

fs/countsuffix_test.go

@@ -11,8 +11,8 @@ import (
 
 // Check it satisfies the interfaces
 var (
-	_ flagger   = (*CountSuffix)(nil)
-	_ flaggerNP = CountSuffix(0)
+	_ Flagger   = (*CountSuffix)(nil)
+	_ FlaggerNP = CountSuffix(0)
 )
 
 func TestCountSuffixString(t *testing.T) {

fs/cutoffmode_test.go

@@ -11,8 +11,8 @@ import (
 
 // Check it satisfies the interfaces
 var (
-	_ flagger   = (*CutoffMode)(nil)
-	_ flaggerNP = CutoffMode(0)
+	_ Flagger   = (*CutoffMode)(nil)
+	_ FlaggerNP = CutoffMode(0)
 )
 
 func TestCutoffModeString(t *testing.T) {

fs/dump_test.go

@@ -10,8 +10,8 @@ import (
 
 // Check it satisfies the interfaces
 var (
-	_ flagger   = (*DumpFlags)(nil)
-	_ flaggerNP = DumpFlags(0)
+	_ Flagger   = (*DumpFlags)(nil)
+	_ FlaggerNP = DumpFlags(0)
 )
 
 func TestDumpFlagsString(t *testing.T) {

fs/enum_test.go

@@ -29,8 +29,8 @@ const (
 
 // Check it satisfies the interfaces
 var (
-	_ flagger   = (*choice)(nil)
-	_ flaggerNP = choice(0)
+	_ Flagger   = (*choice)(nil)
+	_ FlaggerNP = choice(0)
 )
 
 func TestEnumString(t *testing.T) {

fs/log_test.go

@@ -12,8 +12,8 @@ import (
 
 // Check it satisfies the interfaces
 var (
-	_ flagger      = (*LogLevel)(nil)
-	_ flaggerNP    = LogLevel(0)
+	_ Flagger      = (*LogLevel)(nil)
+	_ FlaggerNP    = LogLevel(0)
 	_ fmt.Stringer = LogValueItem{}
 )
 

fs/parseduration_test.go

@@ -13,8 +13,8 @@ import (
 
 // Check it satisfies the interfaces
 var (
-	_ flagger   = (*Duration)(nil)
-	_ flaggerNP = Duration(0)
+	_ Flagger   = (*Duration)(nil)
+	_ FlaggerNP = Duration(0)
 )
 
 func TestParseDuration(t *testing.T) {

fs/parsetime_test.go

@@ -12,8 +12,8 @@ import (
 
 // Check it satisfies the interfaces
 var (
-	_ flagger   = (*Time)(nil)
-	_ flaggerNP = Time{}
+	_ Flagger   = (*Time)(nil)
+	_ FlaggerNP = Time{}
 )
 
 func TestParseTime(t *testing.T) {

fs/sizesuffix_test.go

@@ -5,31 +5,14 @@ import (
 	"fmt"
 	"testing"
 
-	"github.com/spf13/pflag"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
 
-// Interface which flags must satisfy - only defined for _test.go
-// since we don't want to pull in pflag here
-type flagger interface {
-	pflag.Value
-	json.Unmarshaler
-}
-
-// Interface which non-pointer flags must satisfy
-//
-// These are from pflag.Value and need to be non-pointer due the the
-// way the backend flags are inserted into the flags.
-type flaggerNP interface {
-	String() string
-	Type() string
-}
-
 // Check it satisfies the interfaces
 var (
-	_ flagger   = (*SizeSuffix)(nil)
-	_ flaggerNP = SizeSuffix(0)
+	_ Flagger   = (*SizeSuffix)(nil)
+	_ FlaggerNP = SizeSuffix(0)
 )
 
 func TestSizeSuffixString(t *testing.T) {

fs/tristate_test.go

@@ -11,8 +11,8 @@ import (
 
 // Check it satisfies the interfaces
 var (
-	_ flagger   = (*Tristate)(nil)
-	_ flaggerNP = Tristate{}
+	_ Flagger   = (*Tristate)(nil)
+	_ FlaggerNP = Tristate{}
 )
 
 func TestTristateString(t *testing.T) {

fs/types.go

@@ -5,6 +5,7 @@ package fs
 
 import (
 	"context"
+	"encoding/json"
 	"io"
 	"time"
 
@@ -312,6 +313,26 @@ type ListRCallback func(entries DirEntries) error
 // ListRFn is defines the call used to recursively list a directory
 type ListRFn func(ctx context.Context, dir string, callback ListRCallback) error
 
+// Flagger describes the interface rclone config types flags must satisfy
+type Flagger interface {
+	// These are from pflag.Value which we don't want to pull in here
+	String() string
+	Set(string) error
+	Type() string
+	json.Unmarshaler
+}
+
+// FlaggerNP describes the interface rclone config types flags must
+// satisfy as non-pointers
+//
+// These are from pflag.Value and need to be tested against
+// non-pointer value due the the way the backend flags are inserted
+// into the flags.
+type FlaggerNP interface {
+	String() string
+	Type() string
+}
+
 // NewUsageValue makes a valid value
 func NewUsageValue(value int64) *int64 {
 	p := new(int64)