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The directory created by `T.TempDir` is automatically removed when the test and all its subtests complete. Reference: https://pkg.go.dev/testing#T.TempDir Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>
58 lines
1.3 KiB
Go
58 lines
1.3 KiB
Go
/*
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Copyright The Helm 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 fileutil
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import (
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"bytes"
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"io/ioutil"
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"os"
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"path/filepath"
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"testing"
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)
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func TestAtomicWriteFile(t *testing.T) {
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dir := t.TempDir()
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testpath := filepath.Join(dir, "test")
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stringContent := "Test content"
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reader := bytes.NewReader([]byte(stringContent))
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mode := os.FileMode(0644)
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err := AtomicWriteFile(testpath, reader, mode)
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if err != nil {
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t.Errorf("AtomicWriteFile error: %s", err)
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}
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got, err := ioutil.ReadFile(testpath)
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if err != nil {
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t.Fatal(err)
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}
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if stringContent != string(got) {
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t.Fatalf("expected: %s, got: %s", stringContent, string(got))
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}
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gotinfo, err := os.Stat(testpath)
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if err != nil {
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t.Fatal(err)
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}
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if mode != gotinfo.Mode() {
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t.Fatalf("expected %s: to be the same mode as %s",
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mode, gotinfo.Mode())
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}
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}
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