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// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package kusttest_test
import (
"path/filepath"
"testing"
"sigs.k8s.io/kustomize/api/internal/konfig/builtinpluginconsts"
"sigs.k8s.io/kustomize/api/konfig"
"sigs.k8s.io/kustomize/api/krusty"
"sigs.k8s.io/kustomize/api/resmap"
"sigs.k8s.io/kustomize/api/types"
"sigs.k8s.io/kustomize/kyaml/filesys"
)
// Harness manages a test environment.
type Harness struct {
t *testing.T
fSys filesys.FileSystem
}
func MakeHarness(t *testing.T) Harness {
t.Helper()
return MakeHarnessWithFs(t, filesys.MakeFsInMemory())
}
func MakeHarnessWithFs(
t *testing.T, fSys filesys.FileSystem) Harness {
t.Helper()
return Harness{
t: t,
fSys: fSys,
}
}
func (th Harness) GetT() *testing.T {
return th.t
}
func (th Harness) GetFSys() filesys.FileSystem {
return th.fSys
}
func (th Harness) WriteK(path string, content string) {
err := th.fSys.WriteFile(
filepath.Join(
path,
konfig.DefaultKustomizationFileName()), []byte(`
apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
`+content))
if err != nil {
th.t.Fatalf("unexpected error while writing Kustomization to %s: %v", path, err)
}
}
func (th Harness) WriteC(path string, content string) {
err := th.fSys.WriteFile(
filepath.Join(
path,
konfig.DefaultKustomizationFileName()), []byte(`
apiVersion: kustomize.config.k8s.io/v1alpha1
kind: Component
`+content))
if err != nil {
th.t.Fatalf("unexpected error while writing Component to %s: %v", path, err)
}
}
func (th Harness) WriteF(path string, content string) {
err := th.fSys.WriteFile(path, []byte(content))
if err != nil {
th.t.Fatalf("unexpected error while writing file to %s: %v", path, err)
}
}
func (th Harness) MakeDefaultOptions() krusty.Options {
return th.MakeOptionsPluginsDisabled()
}
// This has no impact on Builtin plugins, as they are always enabled.
func (th Harness) MakeOptionsPluginsDisabled() krusty.Options {
return *krusty.MakeDefaultOptions()
}
// Enables use of non-builtin plugins.
func (th Harness) MakeOptionsPluginsEnabled() krusty.Options {
pc := types.EnabledPluginConfig(types.BploLoadFromFileSys)
o := *krusty.MakeDefaultOptions()
o.PluginConfig = pc
return o
}
// Run, failing on error.
func (th Harness) Run(path string, o krusty.Options) resmap.ResMap {
m, err := krusty.MakeKustomizer(&o).Run(th.fSys, path)
if err != nil {
th.t.Fatal(err)
}
return m
}
// Run, failing if there is no error.
func (th Harness) RunWithErr(path string, o krusty.Options) error {
_, err := krusty.MakeKustomizer(&o).Run(th.fSys, path)
if err == nil {
th.t.Fatalf("expected error")
}
return err
}
func (th Harness) WriteLegacyConfigs(fName string) {
m := builtinpluginconsts.GetDefaultFieldSpecsAsMap()
var content []byte
for _, tCfg := range m {
content = append(content, []byte(tCfg)...)
}
err := th.fSys.WriteFile(fName, content)
if err != nil {
th.t.Fatalf("unable to add file %s", fName)
}
}
func (th Harness) AssertActualEqualsExpected(
m resmap.ResMap, expected string) {
th.AssertActualEqualsExpectedWithTweak(m, nil, expected)
}
func (th Harness) AssertActualEqualsExpectedNoIdAnnotations(m resmap.ResMap, expected string) {
m.RemoveBuildAnnotations()
th.AssertActualEqualsExpectedWithTweak(m, nil, expected)
}
func (th Harness) AssertActualEqualsExpectedWithTweak(
m resmap.ResMap, tweaker func([]byte) []byte, expected string) {
assertActualEqualsExpectedWithTweak(th, m, tweaker, expected)
}
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