jochen
d95eecac53
~/.fehbg stops pointing into the predecessor's tree; the session's xinitrc slot runs it once; Go tools set (for the session) and current.
93 lines
3.1 KiB
Go
93 lines
3.1 KiB
Go
package main
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import (
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"errors"
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"os"
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"path/filepath"
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"reflect"
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"strconv"
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"strings"
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"testing"
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)
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const nobody = 4194400
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func TestTheDeclaredWallpaperIsReadFromTheModulesFehbg(t *testing.T) {
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raw, err := os.ReadFile(filepath.Join("..", "..", "files", "fehbg"))
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if err != nil {
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t.Fatal(err)
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}
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w := parseFehbg(string(raw), "/home/op")
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if w == nil || w.Mode != "fill" || !reflect.DeepEqual(w.Images, []string{"/home/op/.local/share/feh/wallpapers/default.jpg"}) {
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t.Fatalf("%+v", w)
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}
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// The form feh writes itself, single-quoted, two monitors.
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w = parseFehbg("#!/bin/sh\nfeh --no-fehbg --bg-center '/a b/one.png' '/two.png' \n", "/home/op")
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if w.Mode != "center" || !reflect.DeepEqual(w.Images, []string{"/a b/one.png", "/two.png"}) {
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t.Fatalf("%+v", w)
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}
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if parseFehbg("#!/bin/sh\n", "/h") != nil {
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t.Fatal("a file without feh declares a wallpaper")
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}
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}
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func TestSetPutsTheImagesUpForThisSessionAndCurrentSaysSo(t *testing.T) {
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root := fakeMachine(t)
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fakeProcess(t, nobody, "i3", "DISPLAY=:1")
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if err := os.MkdirAll(filepath.Join(runUserDir, strconv.Itoa(os.Getuid())), 0o700); err != nil {
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t.Fatal(err)
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}
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home := filepath.Join(root, "home")
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for _, f := range []string{"Pictures/a.jpg", "Pictures/b.jpg"} {
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if err := os.MkdirAll(filepath.Dir(filepath.Join(home, f)), 0o755); err != nil {
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t.Fatal(err)
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}
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if err := os.WriteFile(filepath.Join(home, f), []byte("jpg"), 0o644); err != nil {
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t.Fatal(err)
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}
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}
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src, _ := os.ReadFile(filepath.Join("..", "..", "files", "fehbg"))
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if err := os.WriteFile(filepath.Join(home, ".fehbg"), src, 0o755); err != nil {
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t.Fatal(err)
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}
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bin := fakeBinaries(t, map[string]string{"feh": `echo "$* DISPLAY=$DISPLAY" > "$LOG"`})
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t.Setenv("LOG", filepath.Join(bin, "log"))
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got, err := Set([]string{"~/Pictures/a.jpg", "Pictures/b.jpg"}, "scale")
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if err != nil || !strings.Contains(got.Note, "next login") {
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t.Fatalf("%+v, %v", got, err)
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}
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asked, _ := os.ReadFile(filepath.Join(bin, "log"))
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want := "--no-fehbg --bg-scale " + filepath.Join(home, "Pictures/a.jpg") + " " + filepath.Join(home, "Pictures/b.jpg") + " DISPLAY=:1\n"
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if string(asked) != want {
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t.Fatalf("feh was asked %q, want %q", asked, want)
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}
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cur, err := Current()
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if err != nil || cur.Declared == nil || cur.Session == nil || cur.Session.Mode != "scale" || len(cur.Session.Images) != 2 ||
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cur.Declared.Images[0] != filepath.Join(home, ".local/share/feh/wallpapers/default.jpg") {
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t.Fatalf("%+v, %v", cur, err)
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}
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}
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func TestSetRefusesWhatFehCannotShow(t *testing.T) {
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fakeMachine(t)
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if _, err := Set([]string{"/nowhere.jpg"}, ""); err == nil {
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t.Fatal("a missing image was accepted")
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}
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if _, err := Set([]string{"/"}, ""); err == nil {
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t.Fatal("a directory was accepted")
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}
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if _, err := Set([]string{"/etc/hostname"}, "stretch"); err == nil {
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t.Fatal("an unknown mode was accepted")
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}
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if _, err := Set(nil, ""); err == nil {
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t.Fatal("no image was accepted")
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}
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f := filepath.Join(t.TempDir(), "x.jpg")
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if err := os.WriteFile(f, nil, 0o644); err != nil {
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t.Fatal(err)
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}
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if _, err := Set([]string{f}, ""); !errors.Is(err, ErrNoSession) {
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t.Fatalf("without a session: %v", err)
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}
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}
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