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package storage
import (
"encoding/json"
"os"
"path/filepath"
"testing"
"github.com/google/uuid"
"github.com/stretchr/testify/require"
"gitlab.com/gitlab-org/gitaly/v16/internal/testhelper"
)
func readFilesystemID(t *testing.T, path string) string {
metadata := make(map[string]string)
f, err := os.Open(filepath.Join(path, metadataFilename))
require.NoError(t, err)
defer f.Close()
require.NoError(t, json.NewDecoder(f).Decode(&metadata))
return metadata["gitaly_filesystem_id"]
}
func TestWriteMetadataFile(t *testing.T) {
tempDir := testhelper.TempDir(t)
require.NoError(t, WriteMetadataFile(tempDir))
require.NotEmpty(t, readFilesystemID(t, tempDir))
}
func TestWriteMetadataFile_AlreadyExists(t *testing.T) {
tempDir := testhelper.TempDir(t)
metadataPath := filepath.Join(tempDir, ".gitaly-metadata")
metadataFile, err := os.Create(metadataPath)
require.NoError(t, err)
m := Metadata{
GitalyFilesystemID: uuid.New().String(),
}
require.NoError(t, json.NewEncoder(metadataFile).Encode(&m))
require.NoError(t, metadataFile.Close())
require.NoError(t, WriteMetadataFile(tempDir))
require.Equal(t, m.GitalyFilesystemID, readFilesystemID(t, tempDir), "WriteMetadataFile should not clobber the existing file")
}
func TestReadMetadataFile(t *testing.T) {
metadata, err := ReadMetadataFile("testdata")
require.NoError(t, err)
require.Equal(t, "test filesystem id", metadata.GitalyFilesystemID, "filesystem id should match the harded value in testdata/.gitaly-metadata")
}
func TestReadMetadataFile_FileNotExists(t *testing.T) {
_, err := ReadMetadataFile("/path/doesnt/exist")
require.Error(t, err)
}
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