163 lines
3.3 KiB
Go
163 lines
3.3 KiB
Go
package restore
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import (
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"crypto/rand"
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"fmt"
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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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"strings"
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"testing"
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"github.com/hashicorp/consul/agent"
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"github.com/hashicorp/consul/api"
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"github.com/hashicorp/consul/sdk/testutil"
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"github.com/mitchellh/cli"
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"github.com/stretchr/testify/require"
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)
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func TestSnapshotRestoreCommand_noTabs(t *testing.T) {
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t.Parallel()
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if strings.ContainsRune(New(cli.NewMockUi()).Help(), '\t') {
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t.Fatal("help has tabs")
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}
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}
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func TestSnapshotRestoreCommand_Validation(t *testing.T) {
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t.Parallel()
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ui := cli.NewMockUi()
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c := New(ui)
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cases := map[string]struct {
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args []string
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output string
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}{
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"no file": {
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[]string{},
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"Missing FILE argument",
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},
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"extra args": {
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[]string{"foo", "bar", "baz"},
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"Too many arguments",
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},
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}
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for name, tc := range cases {
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// Ensure our buffer is always clear
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if ui.ErrorWriter != nil {
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ui.ErrorWriter.Reset()
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}
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if ui.OutputWriter != nil {
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ui.OutputWriter.Reset()
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}
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code := c.Run(tc.args)
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if code == 0 {
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t.Errorf("%s: expected non-zero exit", name)
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}
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output := ui.ErrorWriter.String()
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if !strings.Contains(output, tc.output) {
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t.Errorf("%s: expected %q to contain %q", name, output, tc.output)
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}
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}
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}
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func TestSnapshotRestoreCommand(t *testing.T) {
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t.Parallel()
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a := agent.NewTestAgent(t, ``)
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defer a.Shutdown()
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client := a.Client()
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ui := cli.NewMockUi()
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c := New(ui)
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dir := testutil.TempDir(t, "snapshot")
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defer os.RemoveAll(dir)
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file := filepath.Join(dir, "backup.tgz")
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args := []string{
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"-http-addr=" + a.HTTPAddr(),
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file,
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}
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f, err := os.Create(file)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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snap, _, err := client.Snapshot().Save(nil)
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if err != nil {
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f.Close()
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t.Fatalf("err: %v", err)
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}
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if _, err := io.Copy(f, snap); err != nil {
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f.Close()
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t.Fatalf("err: %v", err)
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}
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if err := f.Close(); err != nil {
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t.Fatalf("err: %v", err)
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}
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code := c.Run(args)
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if code != 0 {
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t.Fatalf("bad: %d. %#v", code, ui.ErrorWriter.String())
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}
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}
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func TestSnapshotRestoreCommand_TruncatedSnapshot(t *testing.T) {
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t.Parallel()
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a := agent.NewTestAgent(t, ``)
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defer a.Shutdown()
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client := a.Client()
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// Seed it with 64K of random data just so we have something to work with.
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{
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blob := make([]byte, 64*1024)
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_, err := rand.Read(blob)
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require.NoError(t, err)
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_, err = client.KV().Put(&api.KVPair{Key: "blob", Value: blob}, nil)
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require.NoError(t, err)
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}
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// Do a manual snapshot so we can send back roughly reasonable data.
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var inputData []byte
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{
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rc, _, err := client.Snapshot().Save(nil)
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require.NoError(t, err)
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defer rc.Close()
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inputData, err = ioutil.ReadAll(rc)
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require.NoError(t, err)
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}
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dir := testutil.TempDir(t, "snapshot")
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defer os.RemoveAll(dir)
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for _, removeBytes := range []int{200, 16, 8, 4, 2, 1} {
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t.Run(fmt.Sprintf("truncate %d bytes from end", removeBytes), func(t *testing.T) {
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// Lop off part of the end.
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data := inputData[0 : len(inputData)-removeBytes]
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ui := cli.NewMockUi()
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c := New(ui)
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file := filepath.Join(dir, "backup.tgz")
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require.NoError(t, ioutil.WriteFile(file, data, 0644))
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args := []string{
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"-http-addr=" + a.HTTPAddr(),
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file,
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}
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code := c.Run(args)
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require.Equal(t, 1, code, "expected non-zero exit")
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output := ui.ErrorWriter.String()
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require.Contains(t, output, "Error restoring snapshot")
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require.Contains(t, output, "EOF")
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})
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}
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}
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