mirror of
https://github.com/kubernetes-sigs/kustomize.git
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127 lines
3.0 KiB
Go
127 lines
3.0 KiB
Go
// Copyright 2019 The Kubernetes Authors.
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// SPDX-License-Identifier: Apache-2.0
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package kusttest_test
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import (
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"path/filepath"
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"strings"
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"testing"
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"sigs.k8s.io/kustomize/api/filesys"
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"sigs.k8s.io/kustomize/api/konfig"
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"sigs.k8s.io/kustomize/api/konfig/builtinpluginconsts"
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"sigs.k8s.io/kustomize/api/krusty"
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"sigs.k8s.io/kustomize/api/resmap"
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"sigs.k8s.io/kustomize/api/types"
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)
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// Harness manages a kustomize environment for tests.
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type Harness struct {
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t *testing.T
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fSys filesys.FileSystem
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}
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func MakeHarness(t *testing.T) Harness {
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return MakeHarnessWithFs(t, filesys.MakeFsInMemory())
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}
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func MakeHarnessWithFs(
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t *testing.T, fSys filesys.FileSystem) Harness {
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return Harness{
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t: t,
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fSys: fSys,
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}
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}
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func (th Harness) GetT() *testing.T {
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return th.t
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}
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func (th Harness) GetFSys() filesys.FileSystem {
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return th.fSys
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}
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func (th Harness) WriteK(path string, content string) {
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th.fSys.WriteFile(
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filepath.Join(
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path,
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konfig.DefaultKustomizationFileName()), []byte(`
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apiVersion: kustomize.config.k8s.io/v1beta1
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kind: Kustomization
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`+content))
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}
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func (th Harness) WriteF(path string, content string) {
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th.fSys.WriteFile(path, []byte(content))
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}
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func (th Harness) MakeDefaultOptions() krusty.Options {
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return th.MakeOptionsPluginsDisabled()
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}
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// This has no impact on Builtin plugins, as they are always enabled.
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func (th Harness) MakeOptionsPluginsDisabled() krusty.Options {
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return krusty.Options{
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LoadRestrictions: types.LoadRestrictionsRootOnly,
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PluginConfig: konfig.DisabledPluginConfig(),
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}
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}
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// Enables use of non-builtin plugins.
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func (th Harness) MakeOptionsPluginsEnabled() krusty.Options {
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c, err := konfig.EnabledPluginConfig()
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if err != nil {
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if strings.Contains(err.Error(), "unable to find plugin root") {
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th.t.Log(
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"Tests that want to run with plugins enabled must be " +
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"bookended by calls to MakeEnhancedHarness(), Reset().")
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}
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th.t.Fatal(err)
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}
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return krusty.Options{
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LoadRestrictions: types.LoadRestrictionsRootOnly,
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PluginConfig: c,
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}
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}
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// Run, failing on error.
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func (th Harness) Run(path string, o krusty.Options) resmap.ResMap {
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m, err := krusty.MakeKustomizer(th.fSys, &o).Run(path)
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if err != nil {
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th.t.Fatal(err)
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}
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return m
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}
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// Run, failing if there is no error.
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func (th Harness) RunWithErr(path string, o krusty.Options) error {
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_, err := krusty.MakeKustomizer(th.fSys, &o).Run(path)
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if err == nil {
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th.t.Fatalf("expected error")
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}
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return err
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}
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func (th Harness) WriteLegacyConfigs(fName string) {
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m := builtinpluginconsts.GetDefaultFieldSpecsAsMap()
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var content []byte
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for _, tCfg := range m {
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content = append(content, []byte(tCfg)...)
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}
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err := th.fSys.WriteFile(fName, content)
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if err != nil {
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th.t.Fatalf("unable to add file %s", fName)
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}
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}
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func (th Harness) AssertActualEqualsExpected(
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m resmap.ResMap, expected string) {
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th.AssertActualEqualsExpectedWithTweak(m, nil, expected)
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}
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func (th Harness) AssertActualEqualsExpectedWithTweak(
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m resmap.ResMap, tweaker func([]byte) []byte, expected string) {
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assertActualEqualsExpectedWithTweak(th, m, tweaker, expected)
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}
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