93 lines
1.9 KiB
Go
93 lines
1.9 KiB
Go
/*
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Copyright 2021 The Crossplane Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package common
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import (
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"reflect"
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"runtime"
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"sort"
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"testing"
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"dario.cat/mergo"
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"github.com/google/go-cmp/cmp"
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)
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type mergoOptArr []func(*mergo.Config)
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func (arr mergoOptArr) names() []string {
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names := make([]string, len(arr))
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for i, opt := range arr {
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names[i] = runtime.FuncForPC(reflect.ValueOf(opt).Pointer()).Name()
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}
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sort.Strings(names)
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return names
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}
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func TestMergoConfiguration(t *testing.T) {
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valTrue := true
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tests := map[string]struct {
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mo *MergeOptions
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want mergoOptArr
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}{
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"DefaultOptionsNil": {
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want: mergoOptArr{
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mergo.WithOverride,
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},
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},
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"DefaultOptionsEmptyStruct": {
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mo: &MergeOptions{},
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want: mergoOptArr{
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mergo.WithOverride,
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},
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},
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"MapKeepOnly": {
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mo: &MergeOptions{
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KeepMapValues: &valTrue,
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},
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want: mergoOptArr{},
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},
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"AppendSliceOnly": {
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mo: &MergeOptions{
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AppendSlice: &valTrue,
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},
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want: mergoOptArr{
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mergo.WithAppendSlice,
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mergo.WithOverride,
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},
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},
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"MapKeepAppendSlice": {
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mo: &MergeOptions{
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AppendSlice: &valTrue,
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KeepMapValues: &valTrue,
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},
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want: mergoOptArr{
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mergo.WithAppendSlice,
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},
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},
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}
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for name, tc := range tests {
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t.Run(name, func(t *testing.T) {
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if diff := cmp.Diff(tc.want.names(), mergoOptArr(tc.mo.MergoConfiguration()).names()); diff != "" {
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t.Errorf("\nmo.MergoConfiguration(): -want, +got:\n %s", diff)
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}
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})
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}
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}
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