feat(arduinocli): implement PlanForce

internal/modules/arduinocli/arduinocli_test.go

@@ -91,4 +91,64 @@ func TestArduinoCLIDownloadsAndInstallsCore(t *testing.T) {
 	}
 }
 
+func TestPlanForceRedownloadsAndReinstallsCores(t *testing.T) {
+	home := t.TempDir()
+	t.Setenv("HOME", home)
+	// Pre-populate a stale binary to prove force overwrites.
+	os.MkdirAll(filepath.Join(home, ".local", "bin"), 0o755)
+	bp := filepath.Join(home, ".local", "bin", "arduino-cli")
+	os.WriteFile(bp, []byte("stale"), 0o755)
+
+	archive := makeTarGz(t, map[string][]byte{"arduino-cli": []byte("#!/bin/sh\nfresh\n")})
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		data, _ := os.ReadFile(archive)
+		w.Write(data)
+	}))
+	defer srv.Close()
+
+	r := &fakeRunner{coreListOut: []byte("arduino:avr\nesp32:esp32\n")}
+	m := New(config.ArduinoCLIConfig{
+		Version: "1.0.0",
+		URL:     srv.URL + "/arduino-cli.tgz",
+		Cores:   []string{"arduino:avr", "esp32:esp32"},
+	}, 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 %q: %v", a.Description, err)
+		}
+	}
+
+	// Binary got overwritten with fresh payload.
+	got, _ := os.ReadFile(bp)
+	if string(got) == "stale" {
+		t.Fatalf("binary not overwritten by force")
+	}
+
+	// update-index and both `core install` calls fired.
+	sawUpdate := false
+	installed := map[string]bool{}
+	for _, c := range r.runCalls {
+		if filepath.Base(c[0]) == "arduino-cli" && len(c) >= 3 && c[1] == "core" && c[2] == "update-index" {
+			sawUpdate = true
+		}
+		if filepath.Base(c[0]) == "arduino-cli" && len(c) >= 4 && c[1] == "core" && c[2] == "install" {
+			installed[c[3]] = true
+		}
+	}
+	if !sawUpdate {
+		t.Errorf("no core update-index call; calls=%v", r.runCalls)
+	}
+	if !installed["arduino:avr"] || !installed["esp32:esp32"] {
+		t.Errorf("expected both cores force-installed; got=%v calls=%v", installed, r.runCalls)
+	}
+}
+
 var _ module.Module = Module{}