packer-cn/helper/flag-kv/flag_test.go

57 lines
768 B
Go

package kvflag
import (
"flag"
"reflect"
"testing"
)
func TestFlag_impl(t *testing.T) {
var _ flag.Value = new(Flag)
}
func TestFlag(t *testing.T) {
cases := []struct {
Input string
Output map[string]string
Error bool
}{
{
"key=value",
map[string]string{"key": "value"},
false,
},
{
"key=",
map[string]string{"key": ""},
false,
},
{
"key=foo=bar",
map[string]string{"key": "foo=bar"},
false,
},
{
"key",
nil,
true,
},
}
for _, tc := range cases {
f := new(Flag)
err := f.Set(tc.Input)
if (err != nil) != tc.Error {
t.Fatalf("bad error. Input: %#v", tc.Input)
}
actual := map[string]string(*f)
if !reflect.DeepEqual(actual, tc.Output) {
t.Fatalf("bad: %#v", actual)
}
}
}