pre cw with probe and a bunch script to read game behavior

internal/sdkserver/api_inventory_test.go

@@ -0,0 +1,94 @@
+package sdkserver
+
+import (
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+)
+
+func TestInventoryMaterialsUpdateIsCatalogBoundAndPreservesSave(t *testing.T) {
+	root := t.TempDir()
+	t.Chdir(root)
+	if err := os.Mkdir("resources", 0o755); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(filepath.Join("resources", "InventoryItemConfig.json"), []byte(`{"item_ids":[101,102,301]}`), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	original := `{"avatars":{"1001":{"level":80}},"battle_config":{},"materials":{"101":4}}`
+	if err := os.WriteFile("freesr-data.json", []byte(original), 0o644); err != nil {
+		t.Fatal(err)
+	}
+
+	request := httptest.NewRequest(http.MethodPost, "/api/inventory/materials", strings.NewReader(`{"updates":[{"item_id":101,"count":0},{"item_id":301,"count":9}]}`))
+	response := httptest.NewRecorder()
+	apiInventoryMaterials(response, request)
+	if response.Code != http.StatusOK {
+		t.Fatalf("POST status = %d, body=%s", response.Code, response.Body.String())
+	}
+	var saved map[string]json.RawMessage
+	raw, err := os.ReadFile("freesr-data.json")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err := json.Unmarshal(raw, &saved); err != nil {
+		t.Fatal(err)
+	}
+	var avatars map[string]any
+	if err := json.Unmarshal(saved["avatars"], &avatars); err != nil || avatars["1001"] == nil {
+		t.Fatalf("existing avatar data was not preserved: %s", saved["avatars"])
+	}
+	var materials map[string]uint32
+	if err := json.Unmarshal(saved["materials"], &materials); err != nil {
+		t.Fatal(err)
+	}
+	if materials["101"] != 0 || materials["301"] != 9 {
+		t.Fatalf("saved materials = %#v", materials)
+	}
+
+	reset := httptest.NewRequest(http.MethodPost, "/api/inventory/materials", strings.NewReader(`{"updates":[{"item_id":101,"reset":true}]}`))
+	resetResponse := httptest.NewRecorder()
+	apiInventoryMaterials(resetResponse, reset)
+	if resetResponse.Code != http.StatusOK {
+		t.Fatalf("reset status = %d, body=%s", resetResponse.Code, resetResponse.Body.String())
+	}
+	raw, err = os.ReadFile("freesr-data.json")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err := json.Unmarshal(raw, &saved); err != nil {
+		t.Fatal(err)
+	}
+	materials = nil
+	if err := json.Unmarshal(saved["materials"], &materials); err != nil {
+		t.Fatal(err)
+	}
+	if _, exists := materials["101"]; exists || materials["301"] != 9 {
+		t.Fatalf("reset did not restore default while preserving other edits: %#v", materials)
+	}
+
+	before := string(raw)
+	bad := httptest.NewRequest(http.MethodPost, "/api/inventory/materials", strings.NewReader(`{"updates":[{"item_id":999,"count":1}]}`))
+	badResponse := httptest.NewRecorder()
+	apiInventoryMaterials(badResponse, bad)
+	if badResponse.Code != http.StatusBadRequest {
+		t.Fatalf("uncatalogued item HTTP status = %d, body=%s", badResponse.Code, badResponse.Body.String())
+	}
+	var errResponse struct {
+		Status int `json:"status"`
+	}
+	if err := json.Unmarshal(badResponse.Body.Bytes(), &errResponse); err != nil || errResponse.Status != http.StatusBadRequest {
+		t.Fatalf("uncatalogued item response = %s", badResponse.Body.String())
+	}
+	after, err := os.ReadFile("freesr-data.json")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if string(after) != before {
+		t.Fatal("uncatalogued item update modified freesr-data.json")
+	}
+}