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106 lines
2.2 KiB
106 lines
2.2 KiB
/*
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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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"archive/tar"
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"bytes"
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"compress/gzip"
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"io"
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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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func TestCompressDirToTgz(t *testing.T) {
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testDataDir := "testdata"
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chartTestDir := "testdata/testdir"
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chartBytes, err := CompressDirToTgz(chartTestDir, testDataDir)
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if err != nil {
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t.Fatal(err)
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}
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// gzip read
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gr, err := gzip.NewReader(chartBytes)
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if err != nil {
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t.Fatal(err)
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}
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defer gr.Close()
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// tar read
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tr := tar.NewReader(gr)
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defer gr.Close()
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found := false
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fileBytes := bytes.NewBuffer(nil)
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for {
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hdr, err := tr.Next()
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if err == io.EOF {
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break
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}
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if hdr.Name == "testdir/testfile" {
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found = true
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_, err := io.Copy(fileBytes, tr)
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if err != nil {
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t.Fatal(err)
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}
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}
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}
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if !found {
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t.Fatal("testdir/testfile not found")
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}
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if !bytes.Equal(fileBytes.Bytes(), []byte("helm")) {
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t.Fatalf("testdir/testfile's content not match, excpcted %s, got %s", "helm", fileBytes.String())
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}
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}
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