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package app
import (
"os"
"path/filepath"
"strings"
"testing"
"time"
"codeberg.org/turbo-editors/turbo-core/settings"
)
// fakeClock is a clock the test moves by hand, so an autosave deadline is
// reached without anything waiting for it.
type fakeClock struct{ at time.Time }
func (c *fakeClock) now() time.Time { return c.at }
func (c *fakeClock) pass(d time.Duration) { c.at = c.at.Add(d) }
// newAutosaveApp returns an editor with autosave on, a clock the test drives,
// and a file open in the front window.
func newAutosaveApp(t *testing.T, delay time.Duration) (*App, *fakeClock, string) {
t.Helper()
a, _ := newTestApp(t)
clock := &fakeClock{at: time.Date(2026, 8, 31, 12, 0, 0, 0, time.UTC)}
a.now = clock.now
path := filepath.Join(t.TempDir(), "main.go")
writeTestFile(t, path, "package main\n")
a.Open(path)
a.SetAutosave(true, delay)
return a, clock, path
}
// onDisk returns what a file holds right now.
func onDisk(t *testing.T, path string) string {
t.Helper()
data, err := os.ReadFile(path)
if err != nil {
t.Fatalf("reading %s: %v", path, err)
}
return string(data)
}
func TestAutosaveIsOffUnlessAProjectAsksForIt(t *testing.T) {
a, _ := newTestApp(t)
if a.AutosaveEnabled() {
t.Error("autosave is on in a project that never asked for it")
}
}
func TestAutosaveWritesTheFileOnceTypingStops(t *testing.T) {
a, clock, path := newAutosaveApp(t, 2*time.Second)
typeText(a, "// hello")
clock.pass(2 * time.Second)
a.saveDueDocuments()
if got := onDisk(t, path); !strings.Contains(got, "// hello") {
t.Errorf("the file on disk is %q; autosave did not write it", got)
}
if activeBuffer(t, a).Modified() {
t.Error("the buffer is still marked modified after being saved")
}
}
func TestAutosaveWaitsWhileTypingContinues(t *testing.T) {
a, clock, path := newAutosaveApp(t, 2*time.Second)
// Each keystroke pushes the deadline out again, so a steady typist is
// never interrupted by a write.
for range 5 {
typeText(a, "x")
clock.pass(1900 * time.Millisecond)
a.saveDueDocuments()
}
if got := onDisk(t, path); got != "package main\n" {
t.Errorf("the file was written mid-typing: %q", got)
}
}
func TestAutosaveDoesNothingBeforeTheDelayHasPassed(t *testing.T) {
a, clock, path := newAutosaveApp(t, 2*time.Second)
typeText(a, "// hello")
clock.pass(1999 * time.Millisecond)
a.saveDueDocuments()
if got := onDisk(t, path); got != "package main\n" {
t.Errorf("the file was written a millisecond early: %q", got)
}
}
func TestAutosaveDoesNothingWhenItIsOff(t *testing.T) {
a, clock, path := newAutosaveApp(t, 2*time.Second)
a.SetAutosave(false, 0)
typeText(a, "// hello")
clock.pass(time.Hour)
a.saveDueDocuments()
if got := onDisk(t, path); got != "package main\n" {
t.Errorf("a file was written with autosave off: %q", got)
}
}
func TestTurningAutosaveOffForgetsThePendingSave(t *testing.T) {
a, clock, path := newAutosaveApp(t, 2*time.Second)
typeText(a, "// hello")
a.SetAutosave(false, 0) // the deadline was already set when this ran
clock.pass(time.Hour)
a.saveDueDocuments()
if got := onDisk(t, path); got != "package main\n" {
t.Errorf("a save pending when autosave was turned off still happened: %q", got)
}
}
func TestAutosaveLeavesAFileThatHasNoNameAlone(t *testing.T) {
a, clock, _ := newAutosaveApp(t, 2*time.Second)
a.NewFile() // untitled: naming it is a question, and autosave asks nothing
typeText(a, "package main")
clock.pass(2 * time.Second)
a.saveDueDocuments()
if a.Modals() != 0 {
t.Errorf("autosave opened %d dialogs; it must never ask anything", a.Modals())
}
if !activeBuffer(t, a).Modified() {
t.Error("an unnamed buffer was somehow saved")
}
}
func TestAutosaveSavesEveryOpenFile(t *testing.T) {
a, clock, first := newAutosaveApp(t, 2*time.Second)
second := filepath.Join(t.TempDir(), "other.go")
writeTestFile(t, second, "package other\n")
a.Open(second)
typeText(a, "// two")
a.NextWindow()
typeText(a, "// one")
clock.pass(2 * time.Second)
a.saveDueDocuments()
if got := onDisk(t, first); !strings.Contains(got, "// one") {
t.Errorf("the first file was not saved: %q", got)
}
if got := onDisk(t, second); !strings.Contains(got, "// two") {
t.Errorf("the second file was not saved: %q", got)
}
}
func TestAFailedAutosaveIsReportedWithoutADialog(t *testing.T) {
a, clock, path := newAutosaveApp(t, 2*time.Second)
typeText(a, "// hello")
// A directory cannot be written to as a file, which is the simplest way to
// make the write fail without depending on who is running the test.
if err := os.Remove(path); err != nil {
t.Fatalf("removing the file: %v", err)
}
if err := os.Mkdir(path, 0o755); err != nil {
t.Fatalf("putting a directory in its place: %v", err)
}
clock.pass(2 * time.Second)
a.saveDueDocuments()
if a.Modals() != 0 {
t.Errorf("a failed autosave opened %d dialogs", a.Modals())
}
}
func TestAFailedAutosaveIsNotRetriedUntilTheNextEdit(t *testing.T) {
a, clock, path := newAutosaveApp(t, 2*time.Second)
typeText(a, "// hello")
if err := os.Remove(path); err != nil {
t.Fatalf("removing the file: %v", err)
}
if err := os.Mkdir(path, 0o755); err != nil {
t.Fatalf("putting a directory in its place: %v", err)
}
clock.pass(2 * time.Second)
a.saveDueDocuments()
// An attempt that failed must leave nothing pending. A deadline still set
// would come due again on the very next turn of the event loop, and go on
// doing so for as long as the editor is open.
if !a.autosave.due.IsZero() {
t.Error("a failed autosave left its deadline set, so it will retry forever")
}
// And a further turn of the loop really does nothing, rather than merely
// not being due yet.
clock.pass(time.Hour)
a.saveDueDocuments()
if a.Modals() != 0 {
t.Error("a later turn of the event loop retried the failed save")
}
}
func TestClosingAWindowWithAutosaveOnAsksNothing(t *testing.T) {
a, _, path := newAutosaveApp(t, 2*time.Second)
typeText(a, "// hello")
a.CloseFile()
if a.Modals() != 0 {
t.Errorf("closing asked about work autosave was going to write (%d dialogs)", a.Modals())
}
if a.Desktop().Count() != 0 {
t.Error("the window did not close")
}
if got := onDisk(t, path); !strings.Contains(got, "// hello") {
t.Errorf("closing discarded the changes instead of saving them: %q", got)
}
}
func TestClosingAnUnnamedWindowStillAsksWithAutosaveOn(t *testing.T) {
a, _, _ := newAutosaveApp(t, 2*time.Second)
a.NewFile()
typeText(a, "package main")
a.CloseFile()
if a.Modals() != 1 {
t.Errorf("Modals() = %d; work autosave cannot write is still a real question", a.Modals())
}
}
func TestLeavingWithAutosaveOnSavesInsteadOfAsking(t *testing.T) {
a, _, path := newAutosaveApp(t, 2*time.Second)
typeText(a, "// hello")
a.Quit()
if a.Modals() != 0 {
t.Errorf("Quit() asked about work autosave was going to write (%d dialogs)", a.Modals())
}
if !a.Quitting() {
t.Error("Quit() did not leave")
}
if got := onDisk(t, path); !strings.Contains(got, "// hello") {
t.Errorf("leaving discarded the changes: %q", got)
}
}
func TestLeavingStillAsksAboutAnUnnamedFile(t *testing.T) {
a, _, _ := newAutosaveApp(t, 2*time.Second)
a.NewFile()
typeText(a, "package main")
a.Quit()
if a.Quitting() {
t.Error("Quit() left without asking about a file it could not save")
}
if a.Modals() != 1 {
t.Errorf("Modals() = %d, want the question", a.Modals())
}
}
func TestSetAutosaveKeepsTheDelayWhenGivenNone(t *testing.T) {
a, _ := newTestApp(t)
a.SetAutosave(true, 5*time.Second)
a.SetAutosave(true, 0) // "on", with nothing said about how long
if a.autosave.delay != 5*time.Second {
t.Errorf("delay = %v, want the 5s already set rather than zero", a.autosave.delay)
}
}
func TestANewEditorHasTheDefaultAutosaveDelay(t *testing.T) {
a, _ := newTestApp(t)
// Zero would mean "save on every keystroke" the moment a project turned
// autosave on without naming a delay.
if a.autosave.delay <= 0 {
t.Errorf("the default delay is %v", a.autosave.delay)
}
}
func TestUseSettingsAppliesAutosaveAndRemembersTheFile(t *testing.T) {
a, _ := newTestApp(t)
a.UseSettings(settings.Settings{Autosave: true, AutosaveDelay: 5 * time.Second}, "/p/.turbo-go/settings.toml")
if !a.AutosaveEnabled() {
t.Error("UseSettings() did not turn autosave on")
}
if a.autosave.delay != 5*time.Second {
t.Errorf("delay = %v, want 5s", a.autosave.delay)
}
if a.SettingsPath() != "/p/.turbo-go/settings.toml" {
t.Errorf("SettingsPath() = %q", a.SettingsPath())
}
}
func TestUseSettingsDoesNotApplyTheTheme(t *testing.T) {
// main resolves the theme, because only it knows whether -theme was given
// and an explicit flag outranks the project's choice.
a, _ := newTestApp(t)
before := a.ThemeName()
a.UseSettings(settings.Settings{Theme: "turbo-dark"}, "/p/.turbo-go/settings.toml")
if a.ThemeName() != before {
t.Errorf("ThemeName() = %q; UseSettings must leave the theme to the caller", a.ThemeName())
}
}
|