package azure_test import ( "bytes" "context" "fmt" "io" "os" "testing" "time" "github.com/restic/restic/internal/backend" "github.com/restic/restic/internal/backend/azure" "github.com/restic/restic/internal/backend/test" "github.com/restic/restic/internal/errors" "github.com/restic/restic/internal/options" "github.com/restic/restic/internal/restic" rtest "github.com/restic/restic/internal/test" ) func newAzureTestSuite(t testing.TB) *test.Suite { tr, err := backend.Transport(backend.TransportOptions{}) if err != nil { t.Fatalf("cannot create transport for tests: %v", err) } return &test.Suite{ // do not use excessive data MinimalData: true, // NewConfig returns a config for a new temporary backend that will be used in tests. NewConfig: func() (interface{}, error) { azcfg, err := azure.ParseConfig(os.Getenv("RESTIC_TEST_AZURE_REPOSITORY")) if err != nil { return nil, err } cfg := azcfg.(azure.Config) cfg.AccountName = os.Getenv("RESTIC_TEST_AZURE_ACCOUNT_NAME") cfg.AccountKey = options.NewSecretString(os.Getenv("RESTIC_TEST_AZURE_ACCOUNT_KEY")) cfg.Prefix = fmt.Sprintf("test-%d", time.Now().UnixNano()) return cfg, nil }, // CreateFn is a function that creates a temporary repository for the tests. Create: func(config interface{}) (restic.Backend, error) { cfg := config.(azure.Config) be, err := azure.Create(cfg, tr) if err != nil { return nil, err } _, err = be.Stat(context.TODO(), restic.Handle{Type: restic.ConfigFile}) if err != nil && !be.IsNotExist(err) { return nil, err } if err == nil { return nil, errors.New("config already exists") } return be, nil }, // OpenFn is a function that opens a previously created temporary repository. Open: func(config interface{}) (restic.Backend, error) { cfg := config.(azure.Config) return azure.Open(cfg, tr) }, // CleanupFn removes data created during the tests. Cleanup: func(config interface{}) error { cfg := config.(azure.Config) be, err := azure.Open(cfg, tr) if err != nil { return err } return be.Delete(context.TODO()) }, } } func TestBackendAzure(t *testing.T) { defer func() { if t.Skipped() { rtest.SkipDisallowed(t, "restic/backend/azure.TestBackendAzure") } }() vars := []string{ "RESTIC_TEST_AZURE_ACCOUNT_NAME", "RESTIC_TEST_AZURE_ACCOUNT_KEY", "RESTIC_TEST_AZURE_REPOSITORY", } for _, v := range vars { if os.Getenv(v) == "" { t.Skipf("environment variable %v not set", v) return } } t.Logf("run tests") newAzureTestSuite(t).RunTests(t) } func BenchmarkBackendAzure(t *testing.B) { vars := []string{ "RESTIC_TEST_AZURE_ACCOUNT_NAME", "RESTIC_TEST_AZURE_ACCOUNT_KEY", "RESTIC_TEST_AZURE_REPOSITORY", } for _, v := range vars { if os.Getenv(v) == "" { t.Skipf("environment variable %v not set", v) return } } t.Logf("run tests") newAzureTestSuite(t).RunBenchmarks(t) } func TestUploadLargeFile(t *testing.T) { if os.Getenv("RESTIC_AZURE_TEST_LARGE_UPLOAD") == "" { t.Skip("set RESTIC_AZURE_TEST_LARGE_UPLOAD=1 to test large uploads") return } ctx, cancel := context.WithCancel(context.TODO()) defer cancel() if os.Getenv("RESTIC_TEST_AZURE_REPOSITORY") == "" { t.Skipf("environment variables not available") return } azcfg, err := azure.ParseConfig(os.Getenv("RESTIC_TEST_AZURE_REPOSITORY")) if err != nil { t.Fatal(err) } cfg := azcfg.(azure.Config) cfg.AccountName = os.Getenv("RESTIC_TEST_AZURE_ACCOUNT_NAME") cfg.AccountKey = options.NewSecretString(os.Getenv("RESTIC_TEST_AZURE_ACCOUNT_KEY")) cfg.Prefix = fmt.Sprintf("test-upload-large-%d", time.Now().UnixNano()) tr, err := backend.Transport(backend.TransportOptions{}) if err != nil { t.Fatal(err) } be, err := azure.Create(cfg, tr) if err != nil { t.Fatal(err) } defer func() { err := be.Delete(ctx) if err != nil { t.Fatal(err) } }() data := rtest.Random(23, 300*1024*1024) id := restic.Hash(data) h := restic.Handle{Name: id.String(), Type: restic.PackFile} t.Logf("hash of %d bytes: %v", len(data), id) err = be.Save(ctx, h, restic.NewByteReader(data, be.Hasher())) if err != nil { t.Fatal(err) } defer func() { err := be.Remove(ctx, h) if err != nil { t.Fatal(err) } }() var tests = []struct { offset, length int }{ {0, len(data)}, {23, 1024}, {23 + 100*1024, 500}, {888 + 200*1024, 89999}, {888 + 100*1024*1024, 120 * 1024 * 1024}, } for _, test := range tests { t.Run("", func(t *testing.T) { want := data[test.offset : test.offset+test.length] buf := make([]byte, test.length) err = be.Load(ctx, h, test.length, int64(test.offset), func(rd io.Reader) error { _, err = io.ReadFull(rd, buf) return err }) if err != nil { t.Fatal(err) } if !bytes.Equal(buf, want) { t.Fatalf("wrong bytes returned") } }) } }