feat(zellij): implement PlanForce

internal/modules/zellij/zellij_test.go

@@ -81,4 +81,45 @@ func TestZellijInstalledPresentEmptyPlan(t *testing.T) {
 	}
 }
 
+func TestPlanForceReinstallsAndRewritesConfig(t *testing.T) {
+	home := t.TempDir()
+	t.Setenv("HOME", home)
+	os.MkdirAll(filepath.Join(home, ".config", "zellij"), 0o755)
+	os.WriteFile(filepath.Join(home, ".config", "zellij", "config.kdl"), []byte("old\n"), 0o644)
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
+		w.Write([]byte("fresh {}\n"))
+	}))
+	defer srv.Close()
+	r := &fakeRunner{installed: map[string]bool{"zellij": true}}
+	m := New(config.ZellijConfig{ConfigURL: srv.URL}, platform.NewPacman(r))
+	plan, err := m.PlanForce(context.Background())
+	if err != nil {
+		t.Fatalf("PlanForce: %v", err)
+	}
+	if plan.IsEmpty() {
+		t.Fatal("force plan must not be empty")
+	}
+	for _, a := range plan.Actions {
+		if err := a.Exec(context.Background()); err != nil {
+			t.Fatalf("Exec: %v", err)
+		}
+	}
+	sawReinstall := false
+	for _, c := range r.runCalls {
+		if len(c) >= 4 && c[0] == "sudo" && c[1] == "pacman" && c[2] == "-S" && c[3] == "--noconfirm" {
+			sawReinstall = true
+		}
+	}
+	if !sawReinstall {
+		t.Fatalf("no pacman reinstall call; calls=%v", r.runCalls)
+	}
+	got, err := os.ReadFile(filepath.Join(home, ".config", "zellij", "config.kdl"))
+	if err != nil {
+		t.Fatalf("config not written: %v", err)
+	}
+	if string(got) != "fresh {}\n" {
+		t.Fatalf("config not overwritten: %q", got)
+	}
+}
+
 var _ module.Module = Module{}