feh: the wallpaper as a module, its image an archive of its own (hq ADR 0208, ADR 0205)

~/.fehbg stops pointing into the predecessor's tree; the session's xinitrc slot runs it once; Go tools set (for the session) and current.
2026-10-04 13:15:39 +02:00
parent c42cd285e2
commit 91c6fa6fce
15 changed files with 1401 additions and 0 deletions
@@ -0,0 +1,79 @@
+package main
+
+import (
+	"os"
+	"path/filepath"
+	"reflect"
+	"strings"
+	"testing"
+)
+
+// feh's shape (novox/hq ADR 0208): no seat; it requires the X display on its own machine, carries
+// the wallpaper as its own archive (ADR 0205), owns ~/.fehbg pointing at it, and sets it once from
+// the session's start.
+
+func TestItRequiresTheXDisplayAndClaimsNothing(t *testing.T) {
+	m := readManifest(t)
+	if m.Module != "feh" || m.Seats != nil || m.Claims != nil {
+		t.Fatalf("module %q, seats %v, claims %v", m.Module, m.Seats, m.Claims)
+	}
+	if !reflect.DeepEqual(m.Requires, []string{"x11-display"}) {
+		t.Fatalf("requires: %v", m.Requires)
+	}
+	if present, absent := m.packages(); !reflect.DeepEqual(present, []string{"feh"}) || absent != nil {
+		t.Fatalf("packages: %v, absent %v", present, absent)
+	}
+}
+
+func TestTheWallpaperIsTheModulesOwnArchive(t *testing.T) {
+	m := readManifest(t)
+	a := m.resource(t, "wallpapers")
+	if a["type"] != "archive" || a["artifact"] != "wallpapers" || a["path"] != "${machine:account-home}/.local/share/feh/wallpapers" || a["owner"] != "${machine:account}" {
+		t.Fatalf("%v", a)
+	}
+	found := false
+	for _, art := range m.Build.Artifacts {
+		if art["name"] == "wallpapers" && art["kind"] == "archive" && art["from"] == "wallpaper" {
+			found = true
+		}
+	}
+	if !found {
+		t.Fatal("no archive artifact built from wallpaper/")
+	}
+	info, err := os.Stat(filepath.Join("..", "..", "wallpaper", "default.jpg"))
+	if err != nil || info.Size() == 0 {
+		t.Fatalf("the image: %v", err)
+	}
+}
+
+func TestFehbgIsOwnedAndTheSessionStartRunsItOnce(t *testing.T) {
+	m := readManifest(t)
+	m.sameAsSource(t, "fehbg", "files/fehbg")
+	f := m.resource(t, "fehbg")
+	if f["path"] != "${machine:account-home}/.fehbg" || f["mode"] != "0755" {
+		t.Fatalf("%v", f)
+	}
+	if c := f["content"].(string); !strings.Contains(c, "$HOME/.local/share/feh/wallpapers/default.jpg") || strings.Contains(c, ".hal") {
+		t.Fatalf("%s", c)
+	}
+	if len(m.Shell) != 1 || m.Shell[0].For != "xinitrc" || m.Shell[0].Slot != "normal" || strings.Count(m.Shell[0].Code, `"$HOME/.fehbg"`) != 1 {
+		t.Fatalf("%+v", m.Shell)
+	}
+}
+
+func TestTheKeyThatRestoresTheWallpaperIsAnI3DropIn(t *testing.T) {
+	m := readManifest(t)
+	m.sameAsSource(t, "i3-bindings", "files/i3/50-feh.conf")
+	if p := m.resource(t, "i3-bindings")["path"]; p != "${machine:account-home}/.config/i3/config.d/50-feh.conf" {
+		t.Fatalf("path: %v", p)
+	}
+	if c := m.resource(t, "i3-bindings")["content"].(string); !strings.Contains(c, "bindsym $mod+Shift+b exec --no-startup-id ~/.fehbg\n") {
+		t.Fatalf("%s", c)
+	}
+}
+
+func TestTheToolsAgreeWithTheManifest(t *testing.T) {
+	m := readManifest(t)
+	checkTheToolsAgree(t, m)
+	checkNoSecretsOrInstallationNames(t)
+}