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|
package flags
import (
"testing"
)
func TestPointerBool(t *testing.T) {
var opts = struct {
Value *bool `short:"v"`
}{}
ret := assertParseSuccess(t, &opts, "-v")
assertStringArray(t, ret, []string{})
if !*opts.Value {
t.Errorf("Expected Value to be true")
}
}
func TestPointerString(t *testing.T) {
var opts = struct {
Value *string `short:"v"`
}{}
ret := assertParseSuccess(t, &opts, "-v", "value")
assertStringArray(t, ret, []string{})
assertString(t, *opts.Value, "value")
}
func TestPointerSlice(t *testing.T) {
var opts = struct {
Value *[]string `short:"v"`
}{}
ret := assertParseSuccess(t, &opts, "-v", "value1", "-v", "value2")
assertStringArray(t, ret, []string{})
assertStringArray(t, *opts.Value, []string{"value1", "value2"})
}
func TestPointerMap(t *testing.T) {
var opts = struct {
Value *map[string]int `short:"v"`
}{}
ret := assertParseSuccess(t, &opts, "-v", "k1:2", "-v", "k2:-5")
assertStringArray(t, ret, []string{})
if v, ok := (*opts.Value)["k1"]; !ok {
t.Errorf("Expected key \"k1\" to exist")
} else if v != 2 {
t.Errorf("Expected \"k1\" to be 2, but got %#v", v)
}
if v, ok := (*opts.Value)["k2"]; !ok {
t.Errorf("Expected key \"k2\" to exist")
} else if v != -5 {
t.Errorf("Expected \"k2\" to be -5, but got %#v", v)
}
}
type marshalledString string
func (m *marshalledString) UnmarshalFlag(value string) error {
*m = marshalledString(value)
return nil
}
func (m marshalledString) MarshalFlag() (string, error) {
return string(m), nil
}
func TestPointerStringMarshalled(t *testing.T) {
var opts = struct {
Value *marshalledString `short:"v"`
}{}
ret := assertParseSuccess(t, &opts, "-v", "value")
assertStringArray(t, ret, []string{})
if opts.Value == nil {
t.Error("Expected value not to be nil")
return
}
assertString(t, string(*opts.Value), "value")
}
type marshalledStruct struct {
Value string
}
func (m *marshalledStruct) UnmarshalFlag(value string) error {
m.Value = value
return nil
}
func (m marshalledStruct) MarshalFlag() (string, error) {
return m.Value, nil
}
func TestPointerStructMarshalled(t *testing.T) {
var opts = struct {
Value *marshalledStruct `short:"v"`
}{}
ret := assertParseSuccess(t, &opts, "-v", "value")
assertStringArray(t, ret, []string{})
if opts.Value == nil {
t.Error("Expected value not to be nil")
return
}
assertString(t, opts.Value.Value, "value")
}
type PointerGroup struct {
Value bool `short:"v"`
}
func TestPointerGroup(t *testing.T) {
var opts = struct {
Group *PointerGroup `group:"Group Options"`
}{}
ret := assertParseSuccess(t, &opts, "-v")
assertStringArray(t, ret, []string{})
if !opts.Group.Value {
t.Errorf("Expected Group.Value to be true")
}
}
func TestDoNotChangeNonTaggedFields(t *testing.T) {
var opts struct {
A struct {
Pointer *int
}
B *struct {
Pointer *int
}
}
ret := assertParseSuccess(t, &opts)
assertStringArray(t, ret, []string{})
if opts.A.Pointer != nil {
t.Error("Expected A.Pointer to be nil")
}
if opts.B != nil {
t.Error("Expected B to be nil")
}
if opts.B != nil && opts.B.Pointer != nil {
t.Error("Expected B.Pointer to be nil")
}
}
|
