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package client
import (
"bytes"
"io"
"io/fs"
"os"
"path/filepath"
"runtime"
"strings"
"testing"
)
const targetsDir = "targets"
func TestCreates(t *testing.T) {
runningWindows := false
if runtime.GOOS == "windows" {
runningWindows = true
}
tmpDir := t.TempDir()
defer os.RemoveAll(tmpDir)
dir := filepath.Join(tmpDir, "repository")
os.Mkdir(dir, os.ModePerm)
os.Mkdir(filepath.Join(dir, "targets"), os.ModePerm)
if !runningWindows {
targetDirThatIsFile := filepath.Join(dir, "targets-that-isfile")
f, err := os.Create(targetDirThatIsFile)
if err != nil {
t.Fatalf("failed to create file: %s: %v", targetDirThatIsFile, err)
}
defer f.Close()
}
t.Cleanup(func() { rmrf(dir, t.Logf) })
t.Cleanup(func() { rmrf(tmpDir, t.Logf) })
tests := []struct {
name string
fsys fs.FS
td string
wantErr string
doNotRunOnWindows bool
}{{
name: "nil, error",
wantErr: "nil fs.FS",
}, {
name: "missing targets directory",
fsys: os.DirFS(dir),
td: "targets-not-there",
wantErr: "failed to open targets directory targets-not-there",
}, {
name: "targets directory is not a file",
fsys: os.DirFS(dir),
td: "targets-that-isfile",
wantErr: "targets directory not a directory targets-that-isfile",
doNotRunOnWindows: true,
}, {
name: "works, explicit targets",
fsys: os.DirFS(dir),
td: "targets",
}, {
name: "works, explicit targets",
fsys: os.DirFS(dir),
td: "targets",
}}
for _, tc := range tests {
if tc.doNotRunOnWindows {
t.Skip("Can't figure out how to make this work on windows")
}
_, err := NewFileRemoteStore(tc.fsys, tc.td)
if tc.wantErr != "" && err == nil {
t.Errorf("%q wanted error %s, got none", tc.name, tc.wantErr)
} else if tc.wantErr == "" && err != nil {
t.Errorf("%q did not want error, got: %v", tc.name, err)
} else if err != nil && !strings.Contains(err.Error(), tc.wantErr) {
t.Errorf("%q wanted error %s but got: %s", tc.name, tc.wantErr, err)
}
}
}
func TestBasicOps(t *testing.T) {
metas := map[string][]byte{
"root.json": []byte("root"),
"snapshot.json": []byte("snapshot"),
"timestamp": []byte("timestamp"),
}
fsys, dir, err := newTestFileStoreFS()
if err != nil {
t.Fatalf("Failed to create test FileStore")
}
t.Cleanup(func() { rmrf(dir, t.Logf) })
defer os.RemoveAll(dir)
// Add targets and metas and check them.
for k, v := range targetFiles {
if err := fsys.addTarget(k, v); err != nil {
t.Errorf("failed to add target %s: %v", k, err)
}
rc, size, err := fsys.GetTarget(k)
if err != nil {
t.Errorf("failed to GetTarget %s: %v", k, err)
}
if size != int64(len(v)) {
t.Errorf("unexpected size returned for GetTarget: %s want %d got %d", k, len(v), size)
}
got, err := io.ReadAll(rc)
if err != nil {
t.Errorf("failed to ReadAll returned ReacCloser %s: %v", k, err)
}
if !bytes.Equal(v, got) {
t.Errorf("Read unexpected bytes, want: %s got: %s", string(k), string(got))
}
}
for k, v := range metas {
if err := fsys.addMeta(k, v); err != nil {
t.Errorf("failed to add meta %s %v", k, err)
}
rc, size, err := fsys.GetMeta(k)
if err != nil {
t.Errorf("failed to GetMeta %s: %v", k, err)
}
if size != int64(len(v)) {
t.Errorf("unexpected size returned for GetMeta: %s want %d got %d", k, len(v), size)
}
got, err := io.ReadAll(rc)
if err != nil {
t.Errorf("failed to ReadAll returned ReacCloser %s: %v", k, err)
}
if !bytes.Equal(v, got) {
t.Errorf("Read unexpected bytes, want: %s got: %s", string(k), string(got))
}
}
}
// Test helper methods
func (f *FileRemoteStore) addMeta(name string, data []byte) error {
return os.WriteFile(filepath.Join(f.testDir, name), data, os.ModePerm)
}
func (f *FileRemoteStore) addTarget(name string, data []byte) error {
fname := filepath.Join(f.testDir, targetsDir, name)
err := os.WriteFile(fname, data, os.ModePerm)
return err
}
func (f *FileRemoteStore) deleteMeta(name string) error {
return os.Remove(filepath.Join(f.testDir, name))
}
func (f *FileRemoteStore) deleteTarget(name string) error {
return os.Remove(filepath.Join(f.testDir, targetsDir, name))
}
func newTestFileStoreFS() (*FileRemoteStore, string, error) {
tmpDir := os.TempDir()
tufDir := filepath.Join(tmpDir, "tuf-file-store-test")
// Clean it in case there is cruft left around
os.RemoveAll(tufDir)
os.Mkdir(tufDir, os.ModePerm)
os.Mkdir(filepath.Join(tufDir, targetsDir), os.ModePerm)
fs, err := NewFileRemoteStore(os.DirFS(tufDir), targetsDir)
fs.testDir = tufDir
return fs, tufDir, err
}
// goes through a dir and removes everything. This is to work around:
// https://github.com/golang/go/issues/51442
func rmrf(dir string, logger func(string, ...interface{})) {
if dir == "" {
logger("cowardly refusing to remove a not fully specified fir")
return
}
logger("Removing %s", dir)
d, err := os.Open(dir)
if err != nil {
logger("Failed to open %s: %v", dir, err)
return
}
defer d.Close()
// -1 means give me everything, we don't have that many entries, so
// fine here.
names, err := d.Readdirnames(-1)
if err != nil {
logger("Failed to ReaddirNames %s: %v", dir, err)
return
}
for _, name := range names {
toRemove := filepath.Join(dir, name)
err = os.RemoveAll(toRemove)
if err != nil {
logger("Failed to RemoveAll %s: %v", toRemove, err)
// Do not want to fail here, just keep doing the best we can
}
}
}
|
