LDtk import support

tests/unit/ldtk_parse_test.py

@@ -0,0 +1,222 @@
+"""Unit tests for LDtk project parsing."""
+import mcrfpy
+import sys
+import os
+
+def test_load_project():
+    """Test basic project loading."""
+    proj = mcrfpy.LdtkProject("../tests/fixtures/test_project.ldtk")
+    assert proj is not None, "Failed to create LdtkProject"
+    print(f"  repr: {repr(proj)}")
+    return proj
+
+def test_version(proj):
+    """Test version property."""
+    assert proj.version == "1.5.3", f"Expected version '1.5.3', got '{proj.version}'"
+    print(f"  version: {proj.version}")
+
+def test_tileset_names(proj):
+    """Test tileset enumeration."""
+    names = proj.tileset_names
+    assert isinstance(names, list), f"Expected list, got {type(names)}"
+    assert len(names) == 1, f"Expected 1 tileset, got {len(names)}"
+    assert names[0] == "Test_Tileset", f"Expected 'Test_Tileset', got '{names[0]}'"
+    print(f"  tileset_names: {names}")
+
+def test_ruleset_names(proj):
+    """Test ruleset enumeration."""
+    names = proj.ruleset_names
+    assert isinstance(names, list), f"Expected list, got {type(names)}"
+    assert len(names) == 1, f"Expected 1 ruleset, got {len(names)}"
+    assert names[0] == "Terrain", f"Expected 'Terrain', got '{names[0]}'"
+    print(f"  ruleset_names: {names}")
+
+def test_level_names(proj):
+    """Test level enumeration."""
+    names = proj.level_names
+    assert isinstance(names, list), f"Expected list, got {type(names)}"
+    assert len(names) == 1, f"Expected 1 level, got {len(names)}"
+    assert names[0] == "Level_0", f"Expected 'Level_0', got '{names[0]}'"
+    print(f"  level_names: {names}")
+
+def test_enums(proj):
+    """Test enum access."""
+    enums = proj.enums
+    assert isinstance(enums, list), f"Expected list, got {type(enums)}"
+    assert len(enums) == 1, f"Expected 1 enum, got {len(enums)}"
+    assert enums[0]["identifier"] == "TileType"
+    print(f"  enums: {len(enums)} enum(s), first = {enums[0]['identifier']}")
+
+def test_tileset_access(proj):
+    """Test tileset retrieval."""
+    ts = proj.tileset("Test_Tileset")
+    assert ts is not None, "Failed to get tileset"
+    print(f"  tileset: {repr(ts)}")
+    assert ts.name == "Test_Tileset", f"Expected 'Test_Tileset', got '{ts.name}'"
+    assert ts.tile_width == 16, f"Expected tile_width 16, got {ts.tile_width}"
+    assert ts.tile_height == 16, f"Expected tile_height 16, got {ts.tile_height}"
+    assert ts.columns == 4, f"Expected columns 4, got {ts.columns}"
+    assert ts.tile_count == 16, f"Expected tile_count 16, got {ts.tile_count}"
+
+def test_tileset_not_found(proj):
+    """Test KeyError for missing tileset."""
+    try:
+        proj.tileset("Nonexistent")
+        assert False, "Should have raised KeyError"
+    except KeyError:
+        pass
+    print("  KeyError raised for missing tileset: OK")
+
+def test_ruleset_access(proj):
+    """Test ruleset retrieval."""
+    rs = proj.ruleset("Terrain")
+    assert rs is not None, "Failed to get ruleset"
+    print(f"  ruleset: {repr(rs)}")
+    assert rs.name == "Terrain", f"Expected 'Terrain', got '{rs.name}'"
+    assert rs.grid_size == 16, f"Expected grid_size 16, got {rs.grid_size}"
+    assert rs.value_count == 3, f"Expected 3 values, got {rs.value_count}"
+    assert rs.group_count == 2, f"Expected 2 groups, got {rs.group_count}"
+    assert rs.rule_count == 3, f"Expected 3 rules, got {rs.rule_count}"
+
+def test_ruleset_values(proj):
+    """Test IntGrid value definitions."""
+    rs = proj.ruleset("Terrain")
+    values = rs.values
+    assert len(values) == 3, f"Expected 3 values, got {len(values)}"
+    assert values[0]["value"] == 1
+    assert values[0]["name"] == "wall"
+    assert values[1]["value"] == 2
+    assert values[1]["name"] == "floor"
+    assert values[2]["value"] == 3
+    assert values[2]["name"] == "water"
+    print(f"  values: {values}")
+
+def test_terrain_enum(proj):
+    """Test terrain_enum() generation."""
+    rs = proj.ruleset("Terrain")
+    Terrain = rs.terrain_enum()
+    assert Terrain is not None, "Failed to create terrain enum"
+    assert Terrain.NONE == 0, f"Expected NONE=0, got {Terrain.NONE}"
+    assert Terrain.WALL == 1, f"Expected WALL=1, got {Terrain.WALL}"
+    assert Terrain.FLOOR == 2, f"Expected FLOOR=2, got {Terrain.FLOOR}"
+    assert Terrain.WATER == 3, f"Expected WATER=3, got {Terrain.WATER}"
+    print(f"  terrain enum: {list(Terrain)}")
+
+def test_level_access(proj):
+    """Test level data retrieval."""
+    level = proj.level("Level_0")
+    assert isinstance(level, dict), f"Expected dict, got {type(level)}"
+    assert level["name"] == "Level_0"
+    assert level["width_px"] == 80
+    assert level["height_px"] == 80
+    assert level["world_x"] == 0
+    assert level["world_y"] == 0
+    print(f"  level: {level['name']} ({level['width_px']}x{level['height_px']}px)")
+
+def test_level_layers(proj):
+    """Test level layer data."""
+    level = proj.level("Level_0")
+    layers = level["layers"]
+    assert len(layers) == 1, f"Expected 1 layer, got {len(layers)}"
+
+    layer = layers[0]
+    assert layer["name"] == "Terrain"
+    assert layer["type"] == "IntGrid"
+    assert layer["width"] == 5
+    assert layer["height"] == 5
+    print(f"  layer: {layer['name']} ({layer['type']}) {layer['width']}x{layer['height']}")
+
+def test_level_intgrid(proj):
+    """Test IntGrid CSV data."""
+    level = proj.level("Level_0")
+    layer = level["layers"][0]
+    intgrid = layer["intgrid"]
+    assert len(intgrid) == 25, f"Expected 25 cells, got {len(intgrid)}"
+    # Check corners are walls (1)
+    assert intgrid[0] == 1, f"Expected wall at (0,0), got {intgrid[0]}"
+    assert intgrid[4] == 1, f"Expected wall at (4,0), got {intgrid[4]}"
+    # Check center is water (3)
+    assert intgrid[12] == 3, f"Expected water at (2,2), got {intgrid[12]}"
+    # Check floor tiles (2)
+    assert intgrid[6] == 2, f"Expected floor at (1,1), got {intgrid[6]}"
+    print(f"  intgrid: {intgrid[:5]}... ({len(intgrid)} cells)")
+
+def test_level_auto_tiles(proj):
+    """Test pre-computed auto-layer tiles."""
+    level = proj.level("Level_0")
+    layer = level["layers"][0]
+    auto_tiles = layer["auto_tiles"]
+    assert len(auto_tiles) > 0, f"Expected auto tiles, got {len(auto_tiles)}"
+    # Check first tile structure
+    t = auto_tiles[0]
+    assert "tile_id" in t, f"Missing tile_id in auto tile: {t}"
+    assert "x" in t, f"Missing x in auto tile: {t}"
+    assert "y" in t, f"Missing y in auto tile: {t}"
+    assert "flip" in t, f"Missing flip in auto tile: {t}"
+    print(f"  auto_tiles: {len(auto_tiles)} tiles, first = {auto_tiles[0]}")
+
+def test_level_not_found(proj):
+    """Test KeyError for missing level."""
+    try:
+        proj.level("Nonexistent")
+        assert False, "Should have raised KeyError"
+    except KeyError:
+        pass
+    print("  KeyError raised for missing level: OK")
+
+def test_load_nonexistent():
+    """Test IOError for missing file."""
+    try:
+        mcrfpy.LdtkProject("nonexistent.ldtk")
+        assert False, "Should have raised IOError"
+    except IOError:
+        pass
+    print("  IOError raised for missing file: OK")
+
+# Run all tests
+tests = [
+    ("load_project", None),
+    ("version", None),
+    ("tileset_names", None),
+    ("ruleset_names", None),
+    ("level_names", None),
+    ("enums", None),
+    ("tileset_access", None),
+    ("tileset_not_found", None),
+    ("ruleset_access", None),
+    ("ruleset_values", None),
+    ("terrain_enum", None),
+    ("level_access", None),
+    ("level_layers", None),
+    ("level_intgrid", None),
+    ("level_auto_tiles", None),
+    ("level_not_found", None),
+    ("load_nonexistent", None),
+]
+
+passed = 0
+failed = 0
+proj = None
+
+# First test returns the project
+print("=== LDtk Parse Tests ===")
+for name, func in tests:
+    try:
+        test_fn = globals()[f"test_{name}"]
+        print(f"[TEST] {name}...")
+        if name == "load_project":
+            proj = test_fn()
+        elif name in ("load_nonexistent",):
+            test_fn()
+        else:
+            test_fn(proj)
+        passed += 1
+        print(f"  PASS")
+    except Exception as e:
+        failed += 1
+        print(f"  FAIL: {e}")
+
+print(f"\n=== Results: {passed} passed, {failed} failed ===")
+if failed > 0:
+    sys.exit(1)
+sys.exit(0)