Files
kopia/internal/repotesting/repotesting.go
Jarek Kowalski d181403284 crypto: refactored encryption, hashing and splitter into separate packages (#274)
Added some tests, deleted XSALSA20 which never worked E2E
2020-02-27 12:36:49 -08:00

139 lines
3.2 KiB
Go

// Package repotesting contains test utilities for working with repositories.
package repotesting
import (
"context"
"io/ioutil"
"os"
"path/filepath"
"testing"
"github.com/kopia/kopia/internal/testlogging"
"github.com/kopia/kopia/repo"
"github.com/kopia/kopia/repo/blob"
"github.com/kopia/kopia/repo/blob/filesystem"
"github.com/kopia/kopia/repo/content"
"github.com/kopia/kopia/repo/encryption"
"github.com/kopia/kopia/repo/object"
)
const masterPassword = "foobarbazfoobarbaz"
// Environment encapsulates details of a test environment.
type Environment struct {
Repository *repo.Repository
configDir string
storageDir string
connected bool
}
// Setup sets up a test environment.
func (e *Environment) Setup(t *testing.T, opts ...func(*repo.NewRepositoryOptions)) *Environment {
var err error
ctx := testlogging.Context(t)
e.configDir, err = ioutil.TempDir("", "")
if err != nil {
t.Fatalf("err: %v", err)
}
e.storageDir, err = ioutil.TempDir("", "")
if err != nil {
t.Fatalf("err: %v", err)
}
opt := &repo.NewRepositoryOptions{
BlockFormat: content.FormattingOptions{
HMACSecret: []byte{},
Hash: "HMAC-SHA256",
Encryption: encryption.NoneAlgorithm,
},
ObjectFormat: object.Format{
Splitter: "FIXED-1M",
},
}
for _, mod := range opts {
mod(opt)
}
st, err := filesystem.New(ctx, &filesystem.Options{
Path: e.storageDir,
})
if err != nil {
t.Fatalf("err: %v", err)
}
if err = repo.Initialize(ctx, st, opt, masterPassword); err != nil {
t.Fatalf("err: %v", err)
}
if err = repo.Connect(ctx, e.configFile(), st, masterPassword, nil); err != nil {
t.Fatalf("can't connect: %v", err)
}
e.connected = true
e.Repository, err = repo.Open(ctx, e.configFile(), masterPassword, &repo.Options{})
if err != nil {
t.Fatalf("can't open: %v", err)
}
return e
}
// Close closes testing environment
func (e *Environment) Close(ctx context.Context, t *testing.T) {
if err := e.Repository.Close(ctx); err != nil {
t.Fatalf("unable to close: %v", err)
}
if e.connected {
if err := repo.Disconnect(ctx, e.configFile()); err != nil {
t.Errorf("error disconnecting: %v", err)
}
}
if err := os.Remove(e.configDir); err != nil {
// should be empty, assuming Disconnect was successful
t.Errorf("error removing config directory: %v", err)
}
if err := os.RemoveAll(e.storageDir); err != nil {
t.Errorf("error removing storage directory: %v", err)
}
}
func (e *Environment) configFile() string {
return filepath.Join(e.configDir, "kopia.config")
}
// MustReopen closes and reopens the repository.
func (e *Environment) MustReopen(t *testing.T) {
err := e.Repository.Close(testlogging.Context(t))
if err != nil {
t.Fatalf("close error: %v", err)
}
e.Repository, err = repo.Open(testlogging.Context(t), e.configFile(), masterPassword, &repo.Options{})
if err != nil {
t.Fatalf("err: %v", err)
}
}
// VerifyBlobCount verifies that the underlying storage contains the specified number of blobs.
func (e *Environment) VerifyBlobCount(t *testing.T, want int) {
var got int
_ = e.Repository.Blobs.ListBlobs(testlogging.Context(t), "", func(_ blob.Metadata) error {
got++
return nil
})
if got != want {
t.Errorf("got unexpected number of BLOBs: %v, wanted %v", got, want)
}
}