package command import ( "io" "io/ioutil" "os" "path" "strings" "testing" "github.com/hashicorp/consul/command/base" "github.com/mitchellh/cli" ) func testSnapshotInspectCommand(t *testing.T) (*cli.MockUi, *SnapshotInspectCommand) { ui := new(cli.MockUi) return ui, &SnapshotInspectCommand{ Command: base.Command{ UI: ui, Flags: base.FlagSetNone, }, } } func TestSnapshotInspectCommand_implements(t *testing.T) { var _ cli.Command = &SnapshotInspectCommand{} } func TestSnapshotInspectCommand_noTabs(t *testing.T) { assertNoTabs(t, new(SnapshotInspectCommand)) } func TestSnapshotInspectCommand_Validation(t *testing.T) { ui, c := testSnapshotInspectCommand(t) cases := map[string]struct { args []string output string }{ "no file": { []string{}, "Missing FILE argument", }, "extra args": { []string{"foo", "bar", "baz"}, "Too many arguments", }, } for name, tc := range cases { // Ensure our buffer is always clear if ui.ErrorWriter != nil { ui.ErrorWriter.Reset() } if ui.OutputWriter != nil { ui.OutputWriter.Reset() } code := c.Run(tc.args) if code == 0 { t.Errorf("%s: expected non-zero exit", name) } output := ui.ErrorWriter.String() if !strings.Contains(output, tc.output) { t.Errorf("%s: expected %q to contain %q", name, output, tc.output) } } } func TestSnapshotInspectCommand_Run(t *testing.T) { srv, client := testAgentWithAPIClient(t) defer srv.Shutdown() waitForLeader(t, srv.httpAddr) dir, err := ioutil.TempDir("", "snapshot") if err != nil { t.Fatalf("err: %v", err) } defer os.RemoveAll(dir) file := path.Join(dir, "backup.tgz") // Save a snapshot of the current Consul state f, err := os.Create(file) if err != nil { t.Fatalf("err: %v", err) } snap, _, err := client.Snapshot().Save(nil) if err != nil { f.Close() t.Fatalf("err: %v", err) } if _, err := io.Copy(f, snap); err != nil { f.Close() t.Fatalf("err: %v", err) } if err := f.Close(); err != nil { t.Fatalf("err: %v", err) } // Inspect the snapshot ui, c := testSnapshotInspectCommand(t) args := []string{file} code := c.Run(args) if code != 0 { t.Fatalf("bad: %d. %#v", code, ui.ErrorWriter.String()) } output := ui.OutputWriter.String() for _, key := range []string{ "ID", "Size", "Index", "Term", "Version", } { if !strings.Contains(output, key) { t.Fatalf("bad %#v, missing %q", output, key) } } }