tests: implemented multiple tileset tests

tests/test_data/tilesets/image/expected.py

@@ -0,0 +1,18 @@
+from pathlib import Path
+
+from pytiled_parser import tileset
+
+expected = tileset.TileSet(
+    columns=8,
+    image=Path(r"..\/..\/maps\/images\/tmw_desert_spacing.png"),
+    image_height=199,
+    image_width=265,
+    margin=1,
+    spacing=1,
+    name="tile_set_image",
+    tile_count=48,
+    tiled_version="1.3.1",
+    tile_height=32,
+    tile_width=32,
+    version=1.2,
+)

tests/test_data/tilesets/image/tileset.json

@@ -1,14 +1,22 @@
 { "columns":8,
- "image":"..\/images\/tmw_desert_spacing.png",
+ "editorsettings":
+    {
+     "export":
+        {
+         "format":"",
+         "target":"."
+        }
+    },
+ "image":"..\/..\/maps\/images\/tmw_desert_spacing.png",
  "imageheight":199,
  "imagewidth":265,
  "margin":1,
  "name":"tile_set_image",
  "spacing":1,
  "tilecount":48,
- "tiledversion":"1.3.1",
+ "tiledversion":"1.3.5",
  "tileheight":32,
  "tilewidth":32,
  "type":"tileset",
  "version":1.2
-}
+}