docs & feat: add license & attribution notice (Apache-2.0 / GPL-3.0) and core system enhancements

internal/sdkserver/api_avatar_command_test.go

@@ -0,0 +1,98 @@
+package sdkserver
+
+import (
+	"bytes"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"strings"
+	"testing"
+)
+
+func TestAvatarCommandPatchesOnlyRequestedAvatarFields(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)
+	}
+	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_field"] = json.RawMessage(`{"value":1234567890123456789}`)
+	avatars["1204"], _ = json.Marshal(avatar)
+	root["avatars"], _ = json.Marshal(avatars)
+	root["future_root"] = json.RawMessage(`{"keep":true}`)
+	compact := func(value json.RawMessage) string {
+		if len(value) == 0 {
+			return ""
+		}
+		var b bytes.Buffer
+		if err := json.Compact(&b, value); err != nil {
+			t.Fatal(err)
+		}
+		return b.String()
+	}
+	beforeMaterials := compact(root["materials"])
+	beforeOtherAvatar := compact(avatars["1213"])
+	initial, _ := json.Marshal(root)
+	if err := os.WriteFile("freesr-data.json", initial, 0600); err != nil {
+		t.Fatal(err)
+	}
+	run := func(command string) bool {
+		body, _ := json.Marshal(map[string]string{"command": command})
+		w := httptest.NewRecorder()
+		apiCommand(w, httptest.NewRequest(http.MethodPost, "/api/command", strings.NewReader(string(body))))
+		var result struct {
+			Success bool `json:"success"`
+		}
+		if err := json.Unmarshal(w.Body.Bytes(), &result); err != nil {
+			t.Fatal(err)
+		}
+		return result.Success
+	}
+	if !run("/avatar 1204 42 3") {
+		t.Fatal("valid avatar update failed")
+	}
+	updated, _ := os.ReadFile("freesr-data.json")
+	if err := json.Unmarshal(updated, &root); err != nil {
+		t.Fatal(err)
+	}
+	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 uint32 `json:"rank"`
+	}
+	if err := json.Unmarshal(avatar["data"], &data); err != nil {
+		t.Fatal(err)
+	}
+	var level uint32
+	if err := json.Unmarshal(avatar["level"], &level); err != nil {
+		t.Fatal(err)
+	}
+	if level != 42 || data.Rank != 3 || compact(avatar["future_field"]) != `{"value":1234567890123456789}` || compact(root["future_root"]) != `{"keep":true}` || compact(root["materials"]) != beforeMaterials || compact(avatars["1213"]) != beforeOtherAvatar {
+		t.Fatal("avatar update lost or modified unrelated data")
+	}
+	for _, invalid := range []string{"/avatar 1204 81", "/avatar 1204 2 7", "/avatar nope 5", "/avatar 999999 5"} {
+		if run(invalid) {
+			t.Fatalf("accepted %s", invalid)
+		}
+		after, _ := os.ReadFile("freesr-data.json")
+		if string(after) != string(updated) {
+			t.Fatalf("invalid command rewrote save: %s", invalid)
+		}
+	}
+}