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terminal: Refactor Term/FakeTerm

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This commit is contained in:
Derek Parker
2016-02-27 15:02:55 -08:00
parent 9e588fef72
commit 16f30d0738
2 changed files with 27 additions and 23 deletions
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26
terminal/command_test.go
View File

@ -16,19 +16,17 @@ import (
)
type FakeTerminal struct {
*Term
t testing.TB
client service.Client
cmds *Commands
term *Term
}
func (term *FakeTerminal) Exec(cmdstr string) (outstr string, err error) {
func (ft *FakeTerminal) Exec(cmdstr string) (outstr string, err error) {
cmdstr, args := parseCommand(cmdstr)
cmd := term.cmds.Find(cmdstr)
cmd := ft.cmds.Find(cmdstr)
outfh, err := ioutil.TempFile("", "cmdtestout")
if err != nil {
term.t.Fatalf("could not create temporary file: %v", err)
ft.t.Fatalf("could not create temporary file: %v", err)
}
stdout, stderr := os.Stdout, os.Stderr
@ -38,19 +36,19 @@ func (term *FakeTerminal) Exec(cmdstr string) (outstr string, err error) {
outfh.Close()
outbs, err1 := ioutil.ReadFile(outfh.Name())
if err1 != nil {
term.t.Fatalf("could not read temporary output file: %v", err)
ft.t.Fatalf("could not read temporary output file: %v", err)
}
outstr = string(outbs)
os.Remove(outfh.Name())
}()
err = cmd(term.term, args)
err = cmd(ft.Term, args)
return
}
func (term *FakeTerminal) MustExec(cmdstr string) string {
outstr, err := term.Exec(cmdstr)
func (ft *FakeTerminal) MustExec(cmdstr string) string {
outstr, err := ft.Exec(cmdstr)
if err != nil {
term.t.Fatalf("Error executing <%s>: %v", cmdstr, err)
ft.t.Fatalf("Error executing <%s>: %v", cmdstr, err)
}
return outstr
}
@ -72,7 +70,11 @@ func withTestTerminal(name string, t testing.TB, fn func(*FakeTerminal)) {
defer func() {
client.Detach(true)
}()
fn(&FakeTerminal{t, client, DebugCommands(client), New(client, nil)})
ft := &FakeTerminal{
t: t,
Term: New(client, nil),
}
fn(ft)
}
func TestCommandDefault(t *testing.T) {

22
terminal/terminal.go
View File

@ -7,9 +7,10 @@ import (
"os/signal"
"strings"
"github.com/peterh/liner"
"syscall"
"github.com/peterh/liner"
"github.com/derekparker/delve/config"
"github.com/derekparker/delve/service"
)
@ -25,22 +26,27 @@ type Term struct {
client service.Client
prompt string
line *liner.State
conf *config.Config
cmds *Commands
dumb bool
InitFile string
}
// New returns a new Term.
func New(client service.Client, conf *config.Config) *Term {
cmds := DebugCommands(client)
if conf != nil && conf.Aliases != nil {
cmds.Merge(conf.Aliases)
}
return &Term{
prompt: "(dlv) ",
line: liner.NewLiner(),
client: client,
conf: conf,
cmds: cmds,
dumb: strings.ToLower(os.Getenv("TERM")) == "dumb",
}
}
// Close returns the terminal to its previous mode.
func (t *Term) Close() {
t.line.Close()
}
@ -61,12 +67,8 @@ func (t *Term) Run() (int, error) {
}
}()
cmds := DebugCommands(t.client)
if t.conf != nil && t.conf.Aliases != nil {
cmds.Merge(t.conf.Aliases)
}
t.line.SetCompleter(func(line string) (c []string) {
for _, cmd := range cmds.cmds {
for _, cmd := range t.cmds.cmds {
for _, alias := range cmd.aliases {
if strings.HasPrefix(alias, strings.ToLower(line)) {
c = append(c, alias)
@ -94,7 +96,7 @@ func (t *Term) Run() (int, error) {
fmt.Println("Type 'help' for list of commands.")
if t.InitFile != "" {
err := cmds.executeFile(t, t.InitFile)
err := t.cmds.executeFile(t, t.InitFile)
if err != nil {
fmt.Fprintf(os.Stderr, "Error executing init file: %s\n", err)
}
@ -113,7 +115,7 @@ func (t *Term) Run() (int, error) {
}
cmdstr, args := parseCommand(cmdstr)
cmd := cmds.Find(cmdstr)
cmd := t.cmds.Find(cmdstr)
if err := cmd(t, args); err != nil {
if _, ok := err.(ExitRequestError); ok {
return t.handleExit()