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Merge f2443d1877cbc6636c505bef73a7869ba1eb0836 into b2b489dbf4826c2c630717a77fd5e42774625410

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kim 2026-01-18 21:05:39 +08:00 committed by GitHub
commit be63befeb2
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2 changed files with 19 additions and 8 deletions
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12
binding/form_mapping.go
View File

@ -231,19 +231,24 @@ func setByForm(value reflect.Value, field reflect.StructField, form map[string][
switch value.Kind() { switch value.Kind() {
case reflect.Slice: case reflect.Slice:
if len(vs) == 0 { if vs == nil {
if !opt.isDefaultExists { if !opt.isDefaultExists {
return false, nil return false, nil
} }
vs = []string{opt.defaultValue}
// pre-process the default value for multi if present // pre-process the default value for multi if present
cfTag := field.Tag.Get("collection_format") cfTag := field.Tag.Get("collection_format")
if cfTag == "" || cfTag == "multi" { if cfTag == "" || cfTag == "multi" {
vs = strings.Split(opt.defaultValue, ",") vs = strings.Split(opt.defaultValue, ",")
} else {
vs = []string{opt.defaultValue}
} }
} }
if len(vs) == 0 {
return true, setSlice(vs, value, field)
}
if ok, err = trySetCustom(vs[0], value); ok { if ok, err = trySetCustom(vs[0], value); ok {
return ok, err return ok, err
} }
@ -259,11 +264,12 @@ func setByForm(value reflect.Value, field reflect.StructField, form map[string][
return false, nil return false, nil
} }
vs = []string{opt.defaultValue}
// pre-process the default value for multi if present // pre-process the default value for multi if present
cfTag := field.Tag.Get("collection_format") cfTag := field.Tag.Get("collection_format")
if cfTag == "" || cfTag == "multi" { if cfTag == "" || cfTag == "multi" {
vs = strings.Split(opt.defaultValue, ",") vs = strings.Split(opt.defaultValue, ",")
} else {
vs = []string{opt.defaultValue}
} }
} }

15
binding/form_mapping_test.go
View File

@ -689,7 +689,7 @@ func TestMappingEmptyValues(t *testing.T) {
// field present but empty // field present but empty
err = mappingByPtr(&s, formSource{"slice": {}}, "form") err = mappingByPtr(&s, formSource{"slice": {}}, "form")
require.NoError(t, err) require.NoError(t, err)
assert.Equal(t, []int{5}, s.Slice) assert.Equal(t, []int{}, s.Slice)
// field present with values // field present with values
err = mappingByPtr(&s, formSource{"slice": {"1", "2", "3"}}, "form") err = mappingByPtr(&s, formSource{"slice": {"1", "2", "3"}}, "form")
@ -718,10 +718,15 @@ func TestMappingEmptyValues(t *testing.T) {
Slice []int `form:"slice"` Slice []int `form:"slice"`
} }
// field present but empty // field not present
err := mappingByPtr(&s, formSource{"slice": {}}, "form") err := mappingByPtr(&s, formSource{}, "form")
require.NoError(t, err) require.NoError(t, err)
assert.Equal(t, []int(nil), s.Slice) assert.Equal(t, []int(nil), s.Slice)
// field present but empty
err = mappingByPtr(&s, formSource{"slice": {}}, "form")
require.NoError(t, err)
assert.Equal(t, []int{}, s.Slice)
}) })
t.Run("array without default", func(t *testing.T) { t.Run("array without default", func(t *testing.T) {
@ -750,7 +755,7 @@ func TestMappingEmptyValues(t *testing.T) {
// field present but empty // field present but empty
err = mappingByPtr(&s, formSource{"slice_multi": {}, "slice_csv": {}}, "form") err = mappingByPtr(&s, formSource{"slice_multi": {}, "slice_csv": {}}, "form")
require.NoError(t, err) require.NoError(t, err)
assert.Equal(t, []int{1, 2, 3}, s.SliceMulti) assert.Equal(t, []int{}, s.SliceMulti)
assert.Equal(t, []int{1, 2, 3}, s.SliceCsv) assert.Equal(t, []int{}, s.SliceCsv)
}) })
} }