mirror of
https://github.com/kubernetes-sigs/kustomize.git
synced 2026-05-22 06:47:00 +00:00
89 lines
2.5 KiB
Go
89 lines
2.5 KiB
Go
/*
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Copyright 2018 The Kubernetes 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 loadertest holds a fake for the Loader interface.
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package loadertest
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import (
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"log"
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"sigs.k8s.io/kustomize/pkg/fs"
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"sigs.k8s.io/kustomize/pkg/ifc"
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"sigs.k8s.io/kustomize/pkg/loader"
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)
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// FakeLoader encapsulates the delegate Loader and the fake file system.
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type FakeLoader struct {
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fs fs.FileSystem
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delegate ifc.Loader
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}
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// NewFakeLoader returns a Loader that uses a fake filesystem.
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// The loader will be restricted to root only.
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// The initialDir argument should be an absolute file path.
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func NewFakeLoader(initialDir string) FakeLoader {
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return NewFakeLoaderWithRestrictor(
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loader.RestrictionRootOnly, initialDir)
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}
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// NewFakeLoaderWithRestrictor returns a Loader that
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// uses a fake filesystem.
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// The initialDir argument should be an absolute file path.
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func NewFakeLoaderWithRestrictor(
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lr loader.LoadRestrictorFunc, initialDir string) FakeLoader {
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// Create fake filesystem and inject it into initial Loader.
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fSys := fs.MakeFakeFS()
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fSys.Mkdir(initialDir)
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ldr, err := loader.NewLoader(lr, initialDir, fSys)
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if err != nil {
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log.Fatalf("Unable to make loader: %v", err)
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}
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return FakeLoader{fs: fSys, delegate: ldr}
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}
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// AddFile adds a fake file to the file system.
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func (f FakeLoader) AddFile(fullFilePath string, content []byte) error {
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return f.fs.WriteFile(fullFilePath, content)
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}
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// AddDirectory adds a fake directory to the file system.
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func (f FakeLoader) AddDirectory(fullDirPath string) error {
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return f.fs.Mkdir(fullDirPath)
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}
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// Root returns root.
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func (f FakeLoader) Root() string {
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return f.delegate.Root()
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}
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// New creates a new loader from a new root.
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func (f FakeLoader) New(newRoot string) (ifc.Loader, error) {
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l, err := f.delegate.New(newRoot)
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if err != nil {
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return nil, err
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}
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return FakeLoader{fs: f.fs, delegate: l}, nil
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}
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// Load performs load from a given location.
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func (f FakeLoader) Load(location string) ([]byte, error) {
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return f.delegate.Load(location)
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}
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// Cleanup does nothing
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func (f FakeLoader) Cleanup() error {
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return nil
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}
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