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67 lines
1.6 KiB
Go
67 lines
1.6 KiB
Go
/*
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Copyright 2017 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 temptest
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import (
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"errors"
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"fmt"
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"io"
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"k8s.io/utils/temp"
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)
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// FakeDir implements a Directory that is not backed on the
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// filesystem. This is useful for testing since the created "files" are
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// simple bytes.Buffer that can be inspected.
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type FakeDir struct {
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Files map[string]*FakeFile
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Deleted bool
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}
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var _ temp.Directory = &FakeDir{}
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// NewFile returns a new FakeFile if the filename doesn't exist already.
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// This function will fail if the directory has already been deleted.
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func (d *FakeDir) NewFile(name string) (io.WriteCloser, error) {
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if d.Deleted {
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return nil, errors.New("can't create file in deleted FakeDir")
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}
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if d.Files == nil {
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d.Files = map[string]*FakeFile{}
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}
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f := d.Files[name]
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if f != nil {
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return nil, fmt.Errorf(
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"FakeDir already has file named %q",
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name,
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)
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}
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f = &FakeFile{}
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d.Files[name] = f
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return f, nil
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}
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// Delete doesn't remove anything, but records that the directory has
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// been deleted.
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func (d *FakeDir) Delete() error {
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if d.Deleted {
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return errors.New("failed to re-delete FakeDir")
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}
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d.Deleted = true
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return nil
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}
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