tests(layer): increased branch coverage of layer tests

pytiled_parser/layer.py

@@ -209,10 +209,8 @@ def _decode_tile_layer_data(tile_layer: TileLayer) -> TileLayer:
         unzipped_data = zlib.decompress(unencoded_data)
     elif tile_layer.compression == "gzip":
         unzipped_data = gzip.decompress(unencoded_data)
-    elif not tile_layer.compression:
-        unzipped_data = unencoded_data
     else:
-        raise ValueError(f"Unsupported compression type: '{tile_layer.compression}'.")
+        unzipped_data = unencoded_data
 
     tile_grid = []
 

tests/test_data/layer_tests/all_layer_types/expected.py

@@ -9,6 +9,8 @@ EXPECTED = [
         visible=True,
         id=1,
         size=common_types.Size(8, 6),
+        offset=common_types.OrderedPair(1, 3),
+        properties={"test": "test property",},
         data=[
             1,
             2,
@@ -94,4 +96,11 @@ EXPECTED = [
         image=Path("../../images/tile_04.png"),
         transparent_color=common_types.Color("#000000"),
     ),
+    layer.ImageLayer(
+        name="Image Layer 2",
+        opacity=1,
+        visible=True,
+        id=5,
+        image=Path("../../images/tile_04.png"),
+    ),
 ]

tests/test_data/layer_tests/all_layer_types/map.json

@@ -7,7 +7,15 @@
          "height":6,
          "id":1,
          "name":"Tile Layer 1",
+         "offsetx":1,
+         "offsety":3,
          "opacity":1,
+         "properties":[
+                {
+                 "name":"test",
+                 "type":"string",
+                 "value":"test property"
+                }],
          "type":"tilelayer",
          "visible":true,
          "width":8,
@@ -56,8 +64,18 @@
          "visible":true,
          "x":0,
          "y":0
+        }, 
+        {
+         "id":5,
+         "image":"..\/..\/images\/tile_04.png",
+         "name":"Image Layer 2",
+         "opacity":1,
+         "type":"imagelayer",
+         "visible":true,
+         "x":0,
+         "y":0
         }],
- "nextlayerid":5,
+ "nextlayerid":6,
  "nextobjectid":3,
  "orientation":"orthogonal",
  "renderorder":"right-down",