fix: improve endgame clock and gameplay stability

internal/sdkserver/api_max_command_test.go

@@ -0,0 +1,79 @@
+package sdkserver
+
+import (
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"strings"
+	"testing"
+)
+
+func TestMaxCommandPreservesUnknownData(t *testing.T) {
+	chdirRepoRootSDK(t)
+	raw, err := os.ReadFile("freesr-data.json")
+	if err != nil {
+		t.Fatal(err)
+	}
+	var root map[string]json.RawMessage
+	if err = json.Unmarshal(raw, &root); err != nil {
+		t.Fatal(err)
+	}
+	root["future_root"] = json.RawMessage(`{"keep":true}`)
+	var avatars map[string]json.RawMessage
+	if err = json.Unmarshal(root["avatars"], &avatars); err != nil {
+		t.Fatal(err)
+	}
+	var avatar map[string]json.RawMessage
+	if err = json.Unmarshal(avatars["1204"], &avatar); err != nil {
+		t.Fatal(err)
+	}
+	avatar["future_avatar"] = json.RawMessage(`"preserved"`)
+	avatars["1204"], _ = json.Marshal(avatar)
+	root["avatars"], _ = json.Marshal(avatars)
+	raw, _ = json.Marshal(root)
+	if err = os.WriteFile("freesr-data.json", raw, 0600); err != nil {
+		t.Fatal(err)
+	}
+	beforePersistent, err := os.ReadFile("persistent")
+	if err != nil {
+		t.Fatal(err)
+	}
+	w := httptest.NewRecorder()
+	apiCommand(w, httptest.NewRequest(http.MethodPost, "/api/command", strings.NewReader(`{"command":"/max"}`)))
+	var result struct {
+		Success bool `json:"success"`
+	}
+	if err = json.Unmarshal(w.Body.Bytes(), &result); err != nil || !result.Success {
+		t.Fatalf("command failed: %s (%v)", w.Body.String(), err)
+	}
+	raw, _ = os.ReadFile("freesr-data.json")
+	if err = json.Unmarshal(raw, &root); err != nil {
+		t.Fatal(err)
+	}
+	var futureRoot struct {
+		Keep bool `json:"keep"`
+	}
+	if err = json.Unmarshal(root["future_root"], &futureRoot); err != nil || !futureRoot.Keep {
+		t.Fatal("root data lost")
+	}
+	if err = json.Unmarshal(root["avatars"], &avatars); err != nil {
+		t.Fatal(err)
+	}
+	if err = json.Unmarshal(avatars["1204"], &avatar); err != nil {
+		t.Fatal(err)
+	}
+	var data struct {
+		Rank int `json:"rank"`
+	}
+	if err = json.Unmarshal(avatar["data"], &data); err != nil {
+		t.Fatal(err)
+	}
+	if string(avatar["future_avatar"]) != `"preserved"` || string(avatar["level"]) != "80" || string(avatar["promotion"]) != "6" || data.Rank != 6 {
+		t.Fatal("avatar fields lost or not updated")
+	}
+	afterPersistent, err := os.ReadFile("persistent")
+	if err != nil || string(beforePersistent) != string(afterPersistent) {
+		t.Fatal("persistent data was rewritten")
+	}
+}