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

60 lines
1005 B
Go

package kvflag
import (
"flag"
"path/filepath"
"reflect"
"testing"
)
func TestFlagJSON_impl(t *testing.T) {
var _ flag.Value = new(FlagJSON)
}
func TestFlagJSON(t *testing.T) {
cases := []struct {
Input string
Initial map[string]string
Output map[string]string
Error bool
}{
{
"basic.json",
nil,
map[string]string{"key": "value"},
false,
},
{
"basic.json",
map[string]string{"foo": "bar"},
map[string]string{"foo": "bar", "key": "value"},
false,
},
{
"basic.json",
map[string]string{"key": "bar"},
map[string]string{"key": "value"},
false,
},
}
for _, tc := range cases {
f := new(FlagJSON)
if tc.Initial != nil {
f = (*FlagJSON)(&tc.Initial)
}
err := f.Set(filepath.Join("./test-fixtures", tc.Input))
if (err != nil) != tc.Error {
t.Fatalf("bad error. Input: %#v\n\n%s", tc.Input, err)
}
actual := map[string]string(*f)
if !reflect.DeepEqual(actual, tc.Output) {
t.Fatalf("bad: %#v", actual)
}
}
}