feat(furnidata): FurnidataWriter single-file comment-preserving atomic write + backup

2026-06-19 23:16:19 +00:00 · 2026-06-06 02:02:59 +02:00
parent caf6ad35fa
commit a815c1b99d
2 changed files with 237 additions and 0 deletions
@@ -0,0 +1,40 @@
+package com.eu.habbo.habbohotel.items;
+
+import org.junit.jupiter.api.Test;
+import java.nio.file.*;
+import static org.junit.jupiter.api.Assertions.*;
+
+class FurnidataWriterTest {
+
+    private static final String SINGLE =
+        "{ \"roomitemtypes\": { \"furnitype\": [\n" +
+        "  { \"id\": 1, \"classname\": \"01_caterhead\", \"name\": \"old name\", \"description\": \"old desc\" }\n" +
+        "] }, \"wallitemtypes\": { \"furnitype\": [] } }";
+
+    @Test
+    void writesNameAndDescriptionByClassnameSingleFile() throws Exception {
+        Path dir = Files.createTempDirectory("fd");
+        Path file = dir.resolve("FurnitureData.json");
+        Files.writeString(file, SINGLE);
+
+        FurnidataWriter w = new FurnidataWriter(file, false, 64L * 1024 * 1024, 10);
+        boolean ok = w.write("01_caterhead", "Cat Head", "A cat head");
+
+        assertTrue(ok);
+        String after = Files.readString(file);
+        assertTrue(after.contains("\"Cat Head\""));
+        assertTrue(after.contains("\"A cat head\""));
+        assertFalse(after.contains("old name"));
+        // backup created
+        assertTrue(Files.list(dir).anyMatch(p -> p.getFileName().toString().startsWith("FurnitureData.json.bak")));
+    }
+
+    @Test
+    void rejectsUnknownClassname() throws Exception {
+        Path dir = Files.createTempDirectory("fd");
+        Path file = dir.resolve("FurnitureData.json");
+        Files.writeString(file, SINGLE);
+        FurnidataWriter w = new FurnidataWriter(file, false, 64L * 1024 * 1024, 10);
+        assertFalse(w.write("does_not_exist", "x", "y"));
+    }
+}