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|
package eval
import (
"reflect"
"testing"
"src.elv.sh/pkg/tt"
)
var Args = tt.Args
type opts struct {
Foo string
bar int
}
// Equal is required by cmp.Diff, since opts contains unexported fields.
func (o opts) Equal(p opts) bool { return o == p }
func TestScanOptions(t *testing.T) {
// A wrapper of ScanOptions, to make it easier to test
wrapper := func(src RawOptions, dstInit any) (any, error) {
ptr := reflect.New(reflect.TypeOf(dstInit))
ptr.Elem().Set(reflect.ValueOf(dstInit))
err := scanOptions(src, ptr.Interface())
return ptr.Elem().Interface(), err
}
tt.Test(t, tt.Fn(wrapper).Named("scanOptions"),
Args(RawOptions{"foo": "lorem ipsum"}, opts{}).
Rets(opts{Foo: "lorem ipsum"}, nil),
Args(RawOptions{"bar": 20}, opts{bar: 10}).
Rets(opts{bar: 10}, UnknownOption{"bar"}),
)
}
|
