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Merge branch 'main' into no-docs

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main
Dan Buch 2 years ago committed by GitHub
parent b8cb475418 924052a2f3
commit e20d3d4d0f
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GPG Key ID: 4AEE18F83AFDEB23
12 changed files with 405 additions and 193 deletions
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182
altsrc/flag.go
Unescape View File

@ -64,16 +64,14 @@ func InitInputSourceWithContext(flags []cli.Flag, createInputSource func(cCtx *c
// ApplyInputSourceValue applies a generic value to the flagSet if required
func (f *GenericFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceContext) error {
if f.set != nil {
if !cCtx.IsSet(f.Name) && !isEnvVarSet(f.EnvVars) {
value, err := isc.Generic(f.GenericFlag.Name)
if err != nil {
return err
}
if value != nil {
for _, name := range f.Names() {
_ = f.set.Set(name, value.String())
}
if f.set != nil && !cCtx.IsSet(f.Name) && !isEnvVarSet(f.EnvVars) && isc.isSet(f.GenericFlag.Name) {
value, err := isc.Generic(f.GenericFlag.Name)
if err != nil {
return err
}
if value != nil {
for _, name := range f.Names() {
_ = f.set.Set(name, value.String())
}
}
}
@ -83,19 +81,17 @@ func (f *GenericFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceCo
// ApplyInputSourceValue applies a StringSlice value to the flagSet if required
func (f *StringSliceFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceContext) error {
if f.set != nil {
if !cCtx.IsSet(f.Name) && !isEnvVarSet(f.EnvVars) {
value, err := isc.StringSlice(f.StringSliceFlag.Name)
if err != nil {
return err
}
if value != nil {
var sliceValue cli.StringSlice = *(cli.NewStringSlice(value...))
for _, name := range f.Names() {
underlyingFlag := f.set.Lookup(name)
if underlyingFlag != nil {
underlyingFlag.Value = &sliceValue
}
if f.set != nil && !cCtx.IsSet(f.Name) && !isEnvVarSet(f.EnvVars) && isc.isSet(f.StringSliceFlag.Name) {
value, err := isc.StringSlice(f.StringSliceFlag.Name)
if err != nil {
return err
}
if value != nil {
var sliceValue cli.StringSlice = *(cli.NewStringSlice(value...))
for _, name := range f.Names() {
underlyingFlag := f.set.Lookup(name)
if underlyingFlag != nil {
underlyingFlag.Value = &sliceValue
}
}
}
@ -105,19 +101,17 @@ func (f *StringSliceFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSour
// ApplyInputSourceValue applies a IntSlice value if required
func (f *IntSliceFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceContext) error {
if f.set != nil {
if !cCtx.IsSet(f.Name) && !isEnvVarSet(f.EnvVars) {
value, err := isc.IntSlice(f.IntSliceFlag.Name)
if err != nil {
return err
}
if value != nil {
var sliceValue cli.IntSlice = *(cli.NewIntSlice(value...))
for _, name := range f.Names() {
underlyingFlag := f.set.Lookup(name)
if underlyingFlag != nil {
underlyingFlag.Value = &sliceValue
}
if f.set != nil && !cCtx.IsSet(f.Name) && !isEnvVarSet(f.EnvVars) && isc.isSet(f.IntSliceFlag.Name) {
value, err := isc.IntSlice(f.IntSliceFlag.Name)
if err != nil {
return err
}
if value != nil {
var sliceValue cli.IntSlice = *(cli.NewIntSlice(value...))
for _, name := range f.Names() {
underlyingFlag := f.set.Lookup(name)
if underlyingFlag != nil {
underlyingFlag.Value = &sliceValue
}
}
}
@ -127,16 +121,14 @@ func (f *IntSliceFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceC
// ApplyInputSourceValue applies a Bool value to the flagSet if required
func (f *BoolFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceContext) error {
if f.set != nil {
if !cCtx.IsSet(f.Name) && !isEnvVarSet(f.EnvVars) {
value, err := isc.Bool(f.BoolFlag.Name)
if err != nil {
return err
}
if value {
for _, name := range f.Names() {
_ = f.set.Set(name, strconv.FormatBool(value))
}
if f.set != nil && !cCtx.IsSet(f.Name) && !isEnvVarSet(f.EnvVars) && isc.isSet(f.BoolFlag.Name) {
value, err := isc.Bool(f.BoolFlag.Name)
if err != nil {
return err
}
if value {
for _, name := range f.Names() {
_ = f.set.Set(name, strconv.FormatBool(value))
}
}
}
@ -145,16 +137,14 @@ func (f *BoolFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceConte
// ApplyInputSourceValue applies a String value to the flagSet if required
func (f *StringFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceContext) error {
if f.set != nil {
if !(cCtx.IsSet(f.Name) || isEnvVarSet(f.EnvVars)) {
value, err := isc.String(f.StringFlag.Name)
if err != nil {
return err
}
if value != "" {
for _, name := range f.Names() {
_ = f.set.Set(name, value)
}
if f.set != nil && !(cCtx.IsSet(f.Name) || isEnvVarSet(f.EnvVars)) && isc.isSet(f.StringFlag.Name) {
value, err := isc.String(f.StringFlag.Name)
if err != nil {
return err
}
if value != "" {
for _, name := range f.Names() {
_ = f.set.Set(name, value)
}
}
}
@ -163,26 +153,24 @@ func (f *StringFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceCon
// ApplyInputSourceValue applies a Path value to the flagSet if required
func (f *PathFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceContext) error {
if f.set != nil {
if !(cCtx.IsSet(f.Name) || isEnvVarSet(f.EnvVars)) {
value, err := isc.String(f.PathFlag.Name)
if err != nil {
return err
}
if value != "" {
for _, name := range f.Names() {
if !filepath.IsAbs(value) && isc.Source() != "" {
basePathAbs, err := filepath.Abs(isc.Source())
if err != nil {
return err
}
if f.set != nil && !(cCtx.IsSet(f.Name) || isEnvVarSet(f.EnvVars)) && isc.isSet(f.PathFlag.Name) {
value, err := isc.String(f.PathFlag.Name)
if err != nil {
return err
}
if value != "" {
for _, name := range f.Names() {
value = filepath.Join(filepath.Dir(basePathAbs), value)
if !filepath.IsAbs(value) && isc.Source() != "" {
basePathAbs, err := filepath.Abs(isc.Source())
if err != nil {
return err
}
_ = f.set.Set(name, value)
value = filepath.Join(filepath.Dir(basePathAbs), value)
}
_ = f.set.Set(name, value)
}
}
}
@ -191,15 +179,13 @@ func (f *PathFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceConte
// ApplyInputSourceValue applies a int value to the flagSet if required
func (f *IntFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceContext) error {
if f.set != nil {
if !(cCtx.IsSet(f.Name) || isEnvVarSet(f.EnvVars)) {
value, err := isc.Int(f.IntFlag.Name)
if err != nil {
return err
}
for _, name := range f.Names() {
_ = f.set.Set(name, strconv.FormatInt(int64(value), 10))
}
if f.set != nil && !(cCtx.IsSet(f.Name) || isEnvVarSet(f.EnvVars)) && isc.isSet(f.IntFlag.Name) {
value, err := isc.Int(f.IntFlag.Name)
if err != nil {
return err
}
for _, name := range f.Names() {
_ = f.set.Set(name, strconv.FormatInt(int64(value), 10))
}
}
return nil
@ -207,15 +193,13 @@ func (f *IntFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceContex
// ApplyInputSourceValue applies a Duration value to the flagSet if required
func (f *DurationFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceContext) error {
if f.set != nil {
if !(cCtx.IsSet(f.Name) || isEnvVarSet(f.EnvVars)) {
value, err := isc.Duration(f.DurationFlag.Name)
if err != nil {
return err
}
for _, name := range f.Names() {
_ = f.set.Set(name, value.String())
}
if f.set != nil && !(cCtx.IsSet(f.Name) || isEnvVarSet(f.EnvVars)) && isc.isSet(f.DurationFlag.Name) {
value, err := isc.Duration(f.DurationFlag.Name)
if err != nil {
return err
}
for _, name := range f.Names() {
_ = f.set.Set(name, value.String())
}
}
return nil
@ -223,16 +207,14 @@ func (f *DurationFlag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceC
// ApplyInputSourceValue applies a Float64 value to the flagSet if required
func (f *Float64Flag) ApplyInputSourceValue(cCtx *cli.Context, isc InputSourceContext) error {
if f.set != nil {
if !(cCtx.IsSet(f.Name) || isEnvVarSet(f.EnvVars)) {
value, err := isc.Float64(f.Float64Flag.Name)
if err != nil {
return err
}
floatStr := float64ToString(value)
for _, name := range f.Names() {
_ = f.set.Set(name, floatStr)
}
if f.set != nil && !(cCtx.IsSet(f.Name) || isEnvVarSet(f.EnvVars)) && isc.isSet(f.Float64Flag.Name) {
value, err := isc.Float64(f.Float64Flag.Name)
if err != nil {
return err
}
floatStr := float64ToString(value)
for _, name := range f.Names() {
_ = f.set.Set(name, floatStr)
}
}
return nil

259
altsrc/flag_test.go
Unescape View File

@ -26,29 +26,48 @@ type testApplyInputSource struct {
MapValue interface{}
}
type racyInputSource struct {
*MapInputSource
}
func (ris *racyInputSource) isSet(name string) bool {
if _, ok := ris.MapInputSource.valueMap[name]; ok {
ris.MapInputSource.valueMap[name] = bogus{0}
}
return true
}
func TestGenericApplyInputSourceValue(t *testing.T) {
v := &Parser{"abc", "def"}
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewGenericFlag(&cli.GenericFlag{Name: "test", Value: &Parser{}}),
FlagName: "test",
MapValue: v,
})
}
c := runTest(t, tis)
expect(t, v, c.Generic("test"))
c = runRacyTest(t, tis)
refute(t, v, c.Generic("test"))
}
func TestGenericApplyInputSourceMethodContextSet(t *testing.T) {
p := &Parser{"abc", "def"}
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewGenericFlag(&cli.GenericFlag{Name: "test", Value: &Parser{}}),
FlagName: "test",
MapValue: &Parser{"efg", "hig"},
ContextValueString: p.String(),
})
}
c := runTest(t, tis)
expect(t, p, c.Generic("test"))
c = runRacyTest(t, tis)
refute(t, p, c.Generic("test"))
}
func TestGenericApplyInputSourceMethodEnvVarSet(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewGenericFlag(&cli.GenericFlag{
Name: "test",
Value: &Parser{},
@ -58,17 +77,25 @@ func TestGenericApplyInputSourceMethodEnvVarSet(t *testing.T) {
MapValue: &Parser{"efg", "hij"},
EnvVarName: "TEST",
EnvVarValue: "abc,def",
})
}
c := runTest(t, tis)
expect(t, &Parser{"abc", "def"}, c.Generic("test"))
c = runRacyTest(t, tis)
refute(t, &Parser{"abc", "def"}, c.Generic("test"))
}
func TestStringSliceApplyInputSourceValue(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewStringSliceFlag(&cli.StringSliceFlag{Name: "test"}),
FlagName: "test",
MapValue: []interface{}{"hello", "world"},
})
}
c := runTest(t, tis)
expect(t, c.StringSlice("test"), []string{"hello", "world"})
c = runRacyTest(t, tis)
refute(t, c.StringSlice("test"), []string{"hello", "world"})
}
func TestStringSliceApplyInputSourceMethodContextSet(t *testing.T) {
@ -82,112 +109,154 @@ func TestStringSliceApplyInputSourceMethodContextSet(t *testing.T) {
}
func TestStringSliceApplyInputSourceMethodEnvVarSet(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewStringSliceFlag(&cli.StringSliceFlag{Name: "test", EnvVars: []string{"TEST"}}),
FlagName: "test",
MapValue: []interface{}{"hello", "world"},
EnvVarName: "TEST",
EnvVarValue: "oh,no",
})
}
c := runTest(t, tis)
expect(t, c.StringSlice("test"), []string{"oh", "no"})
c = runRacyTest(t, tis)
refute(t, c.StringSlice("test"), []string{"oh", "no"})
}
func TestIntSliceApplyInputSourceValue(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewIntSliceFlag(&cli.IntSliceFlag{Name: "test"}),
FlagName: "test",
MapValue: []interface{}{1, 2},
})
}
c := runTest(t, tis)
expect(t, c.IntSlice("test"), []int{1, 2})
c = runRacyTest(t, tis)
refute(t, c.IntSlice("test"), []int{1, 2})
}
func TestIntSliceApplyInputSourceMethodContextSet(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewIntSliceFlag(&cli.IntSliceFlag{Name: "test"}),
FlagName: "test",
MapValue: []interface{}{1, 2},
ContextValueString: "3",
})
}
c := runTest(t, tis)
expect(t, c.IntSlice("test"), []int{3})
c = runRacyTest(t, tis)
refute(t, c.IntSlice("test"), []int{3})
}
func TestIntSliceApplyInputSourceMethodEnvVarSet(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewIntSliceFlag(&cli.IntSliceFlag{Name: "test", EnvVars: []string{"TEST"}}),
FlagName: "test",
MapValue: []interface{}{1, 2},
EnvVarName: "TEST",
EnvVarValue: "3,4",
})
}
c := runTest(t, tis)
expect(t, c.IntSlice("test"), []int{3, 4})
c = runRacyTest(t, tis)
refute(t, c.IntSlice("test"), []int{3, 4})
}
func TestBoolApplyInputSourceMethodSet(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewBoolFlag(&cli.BoolFlag{Name: "test"}),
FlagName: "test",
MapValue: true,
})
}
c := runTest(t, tis)
expect(t, true, c.Bool("test"))
c = runRacyTest(t, tis)
refute(t, true, c.Bool("test"))
}
func TestBoolApplyInputSourceMethodContextSet(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewBoolFlag(&cli.BoolFlag{Name: "test"}),
FlagName: "test",
MapValue: false,
ContextValueString: "true",
})
}
c := runTest(t, tis)
expect(t, true, c.Bool("test"))
c = runRacyTest(t, tis)
refute(t, true, c.Bool("test"))
}
func TestBoolApplyInputSourceMethodEnvVarSet(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewBoolFlag(&cli.BoolFlag{Name: "test", EnvVars: []string{"TEST"}}),
FlagName: "test",
MapValue: false,
EnvVarName: "TEST",
EnvVarValue: "true",
})
}
c := runTest(t, tis)
expect(t, true, c.Bool("test"))
c = runRacyTest(t, tis)
refute(t, true, c.Bool("test"))
}
func TestStringApplyInputSourceMethodSet(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewStringFlag(&cli.StringFlag{Name: "test"}),
FlagName: "test",
MapValue: "hello",
})
}
c := runTest(t, tis)
expect(t, "hello", c.String("test"))
c = runRacyTest(t, tis)
refute(t, "hello", c.String("test"))
}
func TestStringApplyInputSourceMethodContextSet(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewStringFlag(&cli.StringFlag{Name: "test"}),
FlagName: "test",
MapValue: "hello",
ContextValueString: "goodbye",
})
}
c := runTest(t, tis)
expect(t, "goodbye", c.String("test"))
c = runRacyTest(t, tis)
refute(t, "goodbye", c.String("test"))
}
func TestStringApplyInputSourceMethodEnvVarSet(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewStringFlag(&cli.StringFlag{Name: "test", EnvVars: []string{"TEST"}}),
FlagName: "test",
MapValue: "hello",
EnvVarName: "TEST",
EnvVarValue: "goodbye",
})
}
c := runTest(t, tis)
expect(t, "goodbye", c.String("test"))
c = runRacyTest(t, tis)
refute(t, "goodbye", c.String("test"))
}
func TestPathApplyInputSourceMethodSet(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewPathFlag(&cli.PathFlag{Name: "test"}),
FlagName: "test",
MapValue: "hello",
SourcePath: "/path/to/source/file",
})
}
c := runTest(t, tis)
expected := "/path/to/source/hello"
if runtime.GOOS == "windows" {
@ -200,125 +269,176 @@ func TestPathApplyInputSourceMethodSet(t *testing.T) {
}
}
expect(t, expected, c.String("test"))
c = runRacyTest(t, tis)
refute(t, expected, c.String("test"))
}
func TestPathApplyInputSourceMethodContextSet(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewPathFlag(&cli.PathFlag{Name: "test"}),
FlagName: "test",
MapValue: "hello",
ContextValueString: "goodbye",
SourcePath: "/path/to/source/file",
})
}
c := runTest(t, tis)
expect(t, "goodbye", c.String("test"))
c = runRacyTest(t, tis)
refute(t, "goodbye", c.String("test"))
}
func TestPathApplyInputSourceMethodEnvVarSet(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewPathFlag(&cli.PathFlag{Name: "test", EnvVars: []string{"TEST"}}),
FlagName: "test",
MapValue: "hello",
EnvVarName: "TEST",
EnvVarValue: "goodbye",
SourcePath: "/path/to/source/file",
})
}
c := runTest(t, tis)
expect(t, "goodbye", c.String("test"))
c = runRacyTest(t, tis)
refute(t, "goodbye", c.String("test"))
}
func TestIntApplyInputSourceMethodSet(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewIntFlag(&cli.IntFlag{Name: "test"}),
FlagName: "test",
MapValue: 15,
})
}
c := runTest(t, tis)
expect(t, 15, c.Int("test"))
c = runRacyTest(t, tis)
refute(t, 15, c.Int("test"))
}
func TestIntApplyInputSourceMethodSetNegativeValue(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewIntFlag(&cli.IntFlag{Name: "test"}),
FlagName: "test",
MapValue: -1,
})
}
c := runTest(t, tis)
expect(t, -1, c.Int("test"))
c = runRacyTest(t, tis)
refute(t, -1, c.Int("test"))
}
func TestIntApplyInputSourceMethodContextSet(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewIntFlag(&cli.IntFlag{Name: "test"}),
FlagName: "test",
MapValue: 15,
ContextValueString: "7",
})
}
c := runTest(t, tis)
expect(t, 7, c.Int("test"))
c = runRacyTest(t, tis)
refute(t, 7, c.Int("test"))
}
func TestIntApplyInputSourceMethodEnvVarSet(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewIntFlag(&cli.IntFlag{Name: "test", EnvVars: []string{"TEST"}}),
FlagName: "test",
MapValue: 15,
EnvVarName: "TEST",
EnvVarValue: "12",
})
}
c := runTest(t, tis)
expect(t, 12, c.Int("test"))
c = runRacyTest(t, tis)
refute(t, 12, c.Int("test"))
}
func TestDurationApplyInputSourceMethodSet(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewDurationFlag(&cli.DurationFlag{Name: "test"}),
FlagName: "test",
MapValue: 30 * time.Second,
})
}
c := runTest(t, tis)
expect(t, 30*time.Second, c.Duration("test"))
c = runRacyTest(t, tis)
refute(t, 30*time.Second, c.Duration("test"))
}
func TestDurationApplyInputSourceMethodSetNegativeValue(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewDurationFlag(&cli.DurationFlag{Name: "test"}),
FlagName: "test",
MapValue: -30 * time.Second,
})
}
c := runTest(t, tis)
expect(t, -30*time.Second, c.Duration("test"))
c = runRacyTest(t, tis)
refute(t, -30*time.Second, c.Duration("test"))
}
func TestDurationApplyInputSourceMethodContextSet(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewDurationFlag(&cli.DurationFlag{Name: "test"}),
FlagName: "test",
MapValue: 30 * time.Second,
ContextValueString: (15 * time.Second).String(),
})
}
c := runTest(t, tis)
expect(t, 15*time.Second, c.Duration("test"))
c = runRacyTest(t, tis)
refute(t, 15*time.Second, c.Duration("test"))
}
func TestDurationApplyInputSourceMethodEnvVarSet(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewDurationFlag(&cli.DurationFlag{Name: "test", EnvVars: []string{"TEST"}}),
FlagName: "test",
MapValue: 30 * time.Second,
EnvVarName: "TEST",
EnvVarValue: (15 * time.Second).String(),
})
}
c := runTest(t, tis)
expect(t, 15*time.Second, c.Duration("test"))
c = runRacyTest(t, tis)
refute(t, 15*time.Second, c.Duration("test"))
}
func TestFloat64ApplyInputSourceMethodSet(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewFloat64Flag(&cli.Float64Flag{Name: "test"}),
FlagName: "test",
MapValue: 1.3,
})
}
c := runTest(t, tis)
expect(t, 1.3, c.Float64("test"))
c = runRacyTest(t, tis)
refute(t, 1.3, c.Float64("test"))
}
func TestFloat64ApplyInputSourceMethodSetNegativeValue(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewFloat64Flag(&cli.Float64Flag{Name: "test"}),
FlagName: "test",
MapValue: -1.3,
})
}
c := runTest(t, tis)
expect(t, -1.3, c.Float64("test"))
c = runRacyTest(t, tis)
refute(t, -1.3, c.Float64("test"))
}
func TestFloat64ApplyInputSourceMethodSetNegativeValueNotSet(t *testing.T) {
@ -331,24 +451,32 @@ func TestFloat64ApplyInputSourceMethodSetNegativeValueNotSet(t *testing.T) {
}
func TestFloat64ApplyInputSourceMethodContextSet(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewFloat64Flag(&cli.Float64Flag{Name: "test"}),
FlagName: "test",
MapValue: 1.3,
ContextValueString: fmt.Sprintf("%v", 1.4),
})
}
c := runTest(t, tis)
expect(t, 1.4, c.Float64("test"))
c = runRacyTest(t, tis)
refute(t, 1.4, c.Float64("test"))
}
func TestFloat64ApplyInputSourceMethodEnvVarSet(t *testing.T) {
c := runTest(t, testApplyInputSource{
tis := testApplyInputSource{
Flag: NewFloat64Flag(&cli.Float64Flag{Name: "test", EnvVars: []string{"TEST"}}),
FlagName: "test",
MapValue: 1.3,
EnvVarName: "TEST",
EnvVarValue: fmt.Sprintf("%v", 1.4),
})
}
c := runTest(t, tis)
expect(t, 1.4, c.Float64("test"))
c = runRacyTest(t, tis)
refute(t, 1.4, c.Float64("test"))
}
func runTest(t *testing.T, test testApplyInputSource) *cli.Context {
@ -376,6 +504,19 @@ func runTest(t *testing.T, test testApplyInputSource) *cli.Context {
return c
}
func runRacyTest(t *testing.T, test testApplyInputSource) *cli.Context {
set := flag.NewFlagSet(test.FlagSetName, flag.ContinueOnError)
c := cli.NewContext(nil, set, nil)
_ = test.Flag.ApplyInputSourceValue(c, &racyInputSource{
MapInputSource: &MapInputSource{
file: test.SourcePath,
valueMap: map[interface{}]interface{}{test.FlagName: test.MapValue},
},
})
return c
}
type Parser [2]string
func (p *Parser) Set(value string) error {
@ -393,3 +534,5 @@ func (p *Parser) Set(value string) error {
func (p *Parser) String() string {
return fmt.Sprintf("%s,%s", p[0], p[1])
}
type bogus [1]uint

7
altsrc/helpers_test.go
Unescape View File

@ -22,7 +22,10 @@ func expect(t *testing.T, a interface{}, b interface{}) {
}
func refute(t *testing.T, a interface{}, b interface{}) {
if a == b {
t.Errorf("Did not expect %v (type %v) - Got %v (type %v)", b, reflect.TypeOf(b), a, reflect.TypeOf(a))
_, fn, line, _ := runtime.Caller(1)
fn = strings.Replace(fn, wd+"/", "", -1)
if reflect.DeepEqual(a, b) {
t.Errorf("(%s:%d) Did not expect %v (type %v) - Got %v (type %v)", fn, line, b, reflect.TypeOf(b), a, reflect.TypeOf(a))
}
}

2
altsrc/input_source_context.go
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@ -22,4 +22,6 @@ type InputSourceContext interface {
IntSlice(name string) ([]int, error)
Generic(name string) (cli.Generic, error)
Bool(name string) (bool, error)
isSet(name string) bool
}

5
altsrc/json_source_context.go
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@ -184,6 +184,11 @@ func (x *jsonSource) Bool(name string) (bool, error) {
return v, nil
}
func (x *jsonSource) isSet(name string) bool {
_, err := x.getValue(name)
return err == nil
}
func (x *jsonSource) getValue(key string) (interface{}, error) {
return jsonGetValue(key, x.deserialized)
}

9
altsrc/map_input_source.go
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@ -244,6 +244,15 @@ func (fsm *MapInputSource) Bool(name string) (bool, error) {
return false, nil
}
func (fsm *MapInputSource) isSet(name string) bool {
if _, exists := fsm.valueMap[name]; exists {
return exists
}
_, exists := nestedVal(name, fsm.valueMap)
return exists
}
func incorrectTypeForFlagError(name, expectedTypeName string, value interface{}) error {
valueType := reflect.TypeOf(value)
valueTypeName := ""

87
altsrc/yaml_file_loader_test.go
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@ -0,0 +1,87 @@
package altsrc_test
import (
"fmt"
"log"
"os"
"time"
"github.com/urfave/cli/v2"
"github.com/urfave/cli/v2/altsrc"
)
func ExampleApp_Run_yamlFileLoaderDuration() {
execServe := func(c *cli.Context) error {
keepaliveInterval := c.Duration("keepalive-interval")
fmt.Printf("keepalive %s\n", keepaliveInterval)
return nil
}
fileExists := func(filename string) bool {
stat, _ := os.Stat(filename)
return stat != nil
}
// initConfigFileInputSource is like altsrc.InitInputSourceWithContext and altsrc.NewYamlSourceFromFlagFunc, but checks
// if the config flag is exists and only loads it if it does. If the flag is set and the file exists, it fails.
initConfigFileInputSource := func(configFlag string, flags []cli.Flag) cli.BeforeFunc {
return func(context *cli.Context) error {
configFile := context.String(configFlag)
if context.IsSet(configFlag) && !fileExists(configFile) {
return fmt.Errorf("config file %s does not exist", configFile)
} else if !context.IsSet(configFlag) && !fileExists(configFile) {
return nil
}
inputSource, err := altsrc.NewYamlSourceFromFile(configFile)
if err != nil {
return err
}
return altsrc.ApplyInputSourceValues(context, inputSource, flags)
}
}
flagsServe := []cli.Flag{
&cli.StringFlag{
Name: "config",
Aliases: []string{"c"},
EnvVars: []string{"CONFIG_FILE"},
Value: "../testdata/empty.yml",
DefaultText: "../testdata/empty.yml",
Usage: "config file",
},
altsrc.NewDurationFlag(
&cli.DurationFlag{
Name: "keepalive-interval",
Aliases: []string{"k"},
EnvVars: []string{"KEEPALIVE_INTERVAL"},
Value: 45 * time.Second,
Usage: "interval of keepalive messages",
},
),
}
cmdServe := &cli.Command{
Name: "serve",
Usage: "Run the server",
UsageText: "serve [OPTIONS..]",
Action: execServe,
Flags: flagsServe,
Before: initConfigFileInputSource("config", flagsServe),
}
c := &cli.App{
Name: "cmd",
HideVersion: true,
UseShortOptionHandling: true,
Commands: []*cli.Command{
cmdServe,
},
}
if err := c.Run([]string{"cmd", "serve", "--config", "../testdata/empty.yml"}); err != nil {
log.Fatal(err)
}
// Output:
// keepalive 45s
}

4
docs.go
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@ -83,14 +83,14 @@ func prepareCommands(commands []*Command, level int) []string {
usageText,
)
flags := prepareArgsWithValues(command.Flags)
flags := prepareArgsWithValues(command.VisibleFlags())
if len(flags) > 0 {
prepared += fmt.Sprintf("\n%s", strings.Join(flags, "\n"))
}
coms = append(coms, prepared)
// recursevly iterate subcommands
// recursively iterate subcommands
if len(command.Subcommands) > 0 {
coms = append(
coms,

2
fish.go
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@ -95,7 +95,7 @@ func (a *App) prepareFishCommands(commands []*Command, allCommands *[]string, pr
completions = append(completions, completion.String())
completions = append(
completions,
a.prepareFishFlags(command.Flags, command.Names())...,
a.prepareFishFlags(command.VisibleFlags(), command.Names())...,
)
// recursevly iterate subcommands

22
flag.go
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@ -5,7 +5,6 @@ import (
"flag"
"fmt"
"io/ioutil"
"reflect"
"regexp"
"runtime"
"strconv"
@ -244,7 +243,7 @@ func prefixedNames(names []string, placeholder string) string {
func withEnvHint(envVars []string, str string) string {
envText := ""
if envVars != nil && len(envVars) > 0 {
if len(envVars) > 0 {
prefix := "$"
suffix := ""
sep := ", $"
@ -273,17 +272,6 @@ func flagNames(name string, aliases []string) []string {
return ret
}
func flagStringSliceField(f Flag, name string) []string {
fv := flagValue(f)
field := fv.FieldByName(name)
if field.IsValid() {
return field.Interface().([]string)
}
return []string{}
}
func withFileHint(filePath, str string) string {
fileText := ""
if filePath != "" {
@ -292,14 +280,6 @@ func withFileHint(filePath, str string) string {
return str + fileText
}
func flagValue(f Flag) reflect.Value {
fv := reflect.ValueOf(f)
for fv.Kind() == reflect.Ptr {
fv = reflect.Indirect(fv)
}
return fv
}
func formatDefault(format string) string {
return " (default: " + format + ")"
}

18
flag_test.go
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@ -400,7 +400,7 @@ func TestStringFlagWithEnvVarHelpOutput(t *testing.T) {
}
}
var prefixStringFlagTests = []struct {
var _ = []struct {
name string
aliases []string
usage string
@ -490,7 +490,7 @@ func TestPathFlagApply_SetsAllNames(t *testing.T) {
expect(t, v, "/path/to/file/PATH")
}
var envHintFlagTests = []struct {
var _ = []struct {
name string
env string
hinter FlagEnvHintFunc
@ -2174,43 +2174,43 @@ type flagDefaultTestCase struct {
func TestFlagDefaultValue(t *testing.T) {
cases := []*flagDefaultTestCase{
&flagDefaultTestCase{
{
name: "stringSclice",
flag: &StringSliceFlag{Name: "flag", Value: NewStringSlice("default1", "default2")},
toParse: []string{"--flag", "parsed"},
expect: `--flag value (default: "default1", "default2") (accepts multiple inputs)`,
},
&flagDefaultTestCase{
{
name: "float64Sclice",
flag: &Float64SliceFlag{Name: "flag", Value: NewFloat64Slice(1.1, 2.2)},
toParse: []string{"--flag", "13.3"},
expect: `--flag value (default: 1.1, 2.2) (accepts multiple inputs)`,
},
&flagDefaultTestCase{
{
name: "int64Sclice",
flag: &Int64SliceFlag{Name: "flag", Value: NewInt64Slice(1, 2)},
toParse: []string{"--flag", "13"},
expect: `--flag value (default: 1, 2) (accepts multiple inputs)`,
},
&flagDefaultTestCase{
{
name: "intSclice",
flag: &IntSliceFlag{Name: "flag", Value: NewIntSlice(1, 2)},
toParse: []string{"--flag", "13"},
expect: `--flag value (default: 1, 2) (accepts multiple inputs)`,
},
&flagDefaultTestCase{
{
name: "string",
flag: &StringFlag{Name: "flag", Value: "default"},
toParse: []string{"--flag", "parsed"},
expect: `--flag value (default: "default")`,
},
&flagDefaultTestCase{
{
name: "bool",
flag: &BoolFlag{Name: "flag", Value: true},
toParse: []string{"--flag", "false"},
expect: `--flag (default: true)`,
},
&flagDefaultTestCase{
{
name: "uint64",
flag: &Uint64Flag{Name: "flag", Value: 1},
toParse: []string{"--flag", "13"},

1
testdata/empty.yml vendored
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@ -0,0 +1 @@
# empty file
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