improve type annotations in tests

fatamorgana/test/build_testfiles.py

@@ -2,7 +2,8 @@
 Build files equivalent to the test cases used by KLayout.
 """
 
-from typing import Callable, IO
+from typing import IO
+from collections.abc import Callable
 
 
 from . import (

fatamorgana/test/test_files_cblocks.py

@@ -1,4 +1,4 @@
-# type: ignore
+# mypy: disable-error-code="union-attr"
 from typing import IO
 from io import BytesIO
 

fatamorgana/test/test_files_cells.py

@@ -1,4 +1,4 @@
-# type: ignore
+# mypy: disable-error-code="union-attr"
 from typing import IO
 from io import BytesIO
 

fatamorgana/test/test_files_circles.py

@@ -1,4 +1,4 @@
-# type: ignore
+# mypy: disable-error-code="union-attr"
 from typing import IO
 from io import BytesIO
 

fatamorgana/test/test_files_ctrapezoids.py

@@ -1,4 +1,4 @@
-# type: ignore
+# mypy: disable-error-code="union-attr"
 from typing import IO
 from io import BytesIO
 

fatamorgana/test/test_files_empty.py

@@ -1,4 +1,3 @@
-# type: ignore
 from typing import IO
 from io import BytesIO
 import struct

fatamorgana/test/test_files_layernames.py

@@ -1,5 +1,5 @@
-# type: ignore
-from typing import Sequence, IO
+from typing import IO
+from collections.abc import Sequence
 
 from io import BytesIO
 
@@ -27,7 +27,7 @@ def base_tests(layout: OasisLayout) -> None:
     assert not layout.cellnames
 
     assert len(layout.cells) == 1
-    assert layout.cells[0].name.string == 'A'
+    assert layout.cells[0].name.string == 'A'           # type: ignore
     assert not layout.cells[0].properties
 
 

fatamorgana/test/test_files_modals.py

@@ -1,4 +1,4 @@
-# type: ignore
+# mypy: disable-error-code="union-attr"
 from typing import IO
 from io import BytesIO
 

fatamorgana/test/test_files_paths.py

@@ -1,4 +1,4 @@
-# type: ignore
+# mypy: disable-error-code="union-attr"
 from typing import IO
 from io import BytesIO
 
@@ -182,7 +182,7 @@ def test_file_1() -> None:
         else:
             assert gg.half_width == 12, msg
 
-        assert len(gg.point_list) == 3, msg
+        assert len(gg.point_list) == 3, msg         # type: ignore
         assert_equal(gg.point_list, [[150, 0], [0, 50], [-50, 0]], err_msg=msg)
 
         if ii >= 4:

fatamorgana/test/test_files_placements.py

@@ -1,5 +1,5 @@
-# type: ignore
-from typing import Tuple, IO, cast, List
+# mypy: disable-error-code="union-attr"
+from typing import IO, cast
 from io import BytesIO
 
 from numpy.testing import assert_equal
@@ -22,7 +22,7 @@ def base_tests(layout: OasisLayout) -> None:
     assert not layout.layers
 
 
-def write_rectangle(buf: IO[bytes], pos: Tuple[int, int] = (300, -400)) -> None:
+def write_rectangle(buf: IO[bytes], pos: tuple[int, int] = (300, -400)) -> None:
     write_uint(buf, 20)           # RECTANGLE record
     write_byte(buf, 0b0111_1011)  # SWHX_YRDL
     write_uint(buf, 1)            # layer
@@ -174,7 +174,7 @@ def test_file_1() -> None:
     assert not layout.cells[1].properties
     assert not layout.cells[1].geometry
 
-    geometry = cast(List[Rectangle], layout.cells[0].geometry)
+    geometry = cast(list[Rectangle], layout.cells[0].geometry)
     assert len(geometry) == 1
     assert geometry[0].layer == 1
     assert geometry[0].datatype == 2
@@ -843,7 +843,7 @@ def test_file_8() -> None:
     assert not layout.cells[2].properties
     assert not layout.cells[2].placements
 
-    geometry = cast(List[Rectangle], layout.cells[2].geometry)
+    geometry = cast(list[Rectangle], layout.cells[2].geometry)
     assert len(geometry) == 1
     assert geometry[0].layer == 1
     assert geometry[0].datatype == 2

fatamorgana/test/test_files_polygons.py

@@ -1,4 +1,4 @@
-# type: ignore
+# mypy: disable-error-code="union-attr, arg-type"
 from typing import IO
 from io import BytesIO
 
@@ -445,7 +445,7 @@ def test_file_3() -> None:
     for ii, gg in enumerate(geometry):
         msg = f'Fail on polygon {ii}'
         assert len(gg.properties) == 1, msg
-        assert gg.properties[0].name == 0, msg
+        assert gg.properties[0].name == 0, msg                  # type: ignore
         assert len(gg.properties[0].values) == 1, msg
-        assert gg.properties[0].values[0] * 5 == 1, msg
+        assert gg.properties[0].values[0] * 5 == 1, msg         # type: ignore
 

fatamorgana/test/test_files_properties.py

@@ -1,4 +1,4 @@
-# type: ignore
+# mypy: disable-error-code="union-attr, index, arg-type"
 from typing import IO
 from io import BytesIO
 
@@ -28,7 +28,7 @@ def write_file_common(buf: IO[bytes], variant: int) -> IO[bytes]:
     """
     include_repetitions = variant in (2, 5)
 
-    def var_byte(buf, byte):
+    def var_byte(buf: IO[bytes], byte: int) -> None:
         if include_repetitions:
             byte |= 0b0100
         write_byte(buf, byte)

fatamorgana/test/test_files_rectangles.py

@@ -1,4 +1,4 @@
-# type: ignore
+# mypy: disable-error-code="union-attr"
 from typing import IO
 from io import BytesIO
 
@@ -267,7 +267,7 @@ def test_file_2() -> None:
         prop = gg.properties[0]
 
         assert prop.name == 0, msg
-        assert len(prop.values) == 1, msg
-        assert prop.values[0].numerator == 1, msg
-        assert prop.values[0].denominator == 5, msg
+        assert len(prop.values) == 1, msg               # type: ignore
+        assert prop.values[0].numerator == 1, msg       # type: ignore
+        assert prop.values[0].denominator == 5, msg     # type: ignore
 

fatamorgana/test/test_files_texts.py

@@ -1,4 +1,4 @@
-# type: ignore
+# mypy: disable-error-code="union-attr, index"
 from typing import IO
 from io import BytesIO
 

fatamorgana/test/test_files_trapezoids.py

@@ -1,4 +1,4 @@
-# type: ignore
+# mypy: disable-error-code="union-attr"
 from typing import IO
 from io import BytesIO