mirror of
https://github.com/taigrr/arc
synced 2025-01-18 04:33:13 -08:00
98 lines
1.9 KiB
Go
98 lines
1.9 KiB
Go
package flags
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import (
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"fmt"
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"testing"
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)
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type marshalled string
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func (m *marshalled) UnmarshalFlag(value string) error {
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if value == "yes" {
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*m = "true"
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} else if value == "no" {
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*m = "false"
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} else {
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return fmt.Errorf("`%s' is not a valid value, please specify `yes' or `no'", value)
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}
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return nil
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}
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func (m marshalled) MarshalFlag() (string, error) {
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if m == "true" {
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return "yes", nil
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}
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return "no", nil
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}
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type marshalledError bool
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func (m marshalledError) MarshalFlag() (string, error) {
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return "", newErrorf(ErrMarshal, "Failed to marshal")
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}
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func TestUnmarshal(t *testing.T) {
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var opts = struct {
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Value marshalled `short:"v"`
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}{}
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ret := assertParseSuccess(t, &opts, "-v=yes")
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assertStringArray(t, ret, []string{})
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if opts.Value != "true" {
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t.Errorf("Expected Value to be \"true\"")
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}
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}
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func TestUnmarshalDefault(t *testing.T) {
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var opts = struct {
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Value marshalled `short:"v" default:"yes"`
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}{}
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ret := assertParseSuccess(t, &opts)
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assertStringArray(t, ret, []string{})
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if opts.Value != "true" {
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t.Errorf("Expected Value to be \"true\"")
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}
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}
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func TestUnmarshalOptional(t *testing.T) {
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var opts = struct {
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Value marshalled `short:"v" optional:"yes" optional-value:"yes"`
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}{}
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ret := assertParseSuccess(t, &opts, "-v")
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assertStringArray(t, ret, []string{})
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if opts.Value != "true" {
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t.Errorf("Expected Value to be \"true\"")
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}
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}
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func TestUnmarshalError(t *testing.T) {
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var opts = struct {
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Value marshalled `short:"v"`
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}{}
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assertParseFail(t, ErrMarshal, fmt.Sprintf("invalid argument for flag `%cv' (expected flags.marshalled): `invalid' is not a valid value, please specify `yes' or `no'", defaultShortOptDelimiter), &opts, "-vinvalid")
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}
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func TestMarshalError(t *testing.T) {
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var opts = struct {
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Value marshalledError `short:"v"`
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}{}
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p := NewParser(&opts, Default)
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o := p.Command.Groups()[0].Options()[0]
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_, err := convertToString(o.value, o.tag)
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assertError(t, err, ErrMarshal, "Failed to marshal")
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}
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