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// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package filtertest_test
import (
"bytes"
"testing"
"github.com/stretchr/testify/assert"
"sigs.k8s.io/kustomize/kyaml/kio"
"sigs.k8s.io/kustomize/kyaml/yaml"
)
func run(input string, f kio.Filter) (string, error) {
var out bytes.Buffer
rw := kio.ByteReadWriter{
Reader: bytes.NewBufferString(input),
Writer: &out,
}
err := kio.Pipeline{
Inputs: []kio.Reader{&rw},
Filters: []kio.Filter{f},
Outputs: []kio.Writer{&rw},
}.Execute()
if err != nil {
return "", err
}
return out.String(), nil
}
// RunFilter runs filter and panic if there is error
func RunFilter(t *testing.T, input string, f kio.Filter) string {
t.Helper()
output, err := run(input, f)
if !assert.NoError(t, err) {
t.FailNow()
}
return output
}
// RunFilterE runs filter and return error if there is
func RunFilterE(t *testing.T, input string, f kio.Filter) (string, error) {
t.Helper()
output, err := run(input, f)
if err != nil {
return "", err
}
return output, nil
}
type SetValueArg struct {
Key string
Value string
Tag string
NodePath []string
}
// MutationTrackerStub to help stub a mutation tracker for kio.TrackableFilter
type MutationTrackerStub struct {
setValueArgs []SetValueArg
}
func (mts *MutationTrackerStub) MutationTracker(key, value, tag string, node *yaml.RNode) {
mts.setValueArgs = append(mts.setValueArgs, SetValueArg{
Key: key,
Value: value,
Tag: tag,
NodePath: node.FieldPath(),
})
}
func (mts *MutationTrackerStub) SetValueArgs() []SetValueArg {
return mts.setValueArgs
}
func (mts *MutationTrackerStub) Reset() {
mts.setValueArgs = nil
}
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