Autotype tests (#7756)

* autotyping: --none-return
* autotyping: --scalar-return
* autotyping: --int-param
* autotyping: --float-param
* autotyping: --str-param
* autotyping: --annotate-named-param tmp_path:pathlib.Path

Author: hugovk

Tests/bench_cffi_access.py

@@ -9,21 +9,21 @@
 # Not running this test by default. No DOS against CI.
 
 
-def iterate_get(size, access):
+def iterate_get(size, access) -> None:
     (w, h) = size
     for x in range(w):
         for y in range(h):
             access[(x, y)]
 
 
-def iterate_set(size, access):
+def iterate_set(size, access) -> None:
     (w, h) = size
     for x in range(w):
         for y in range(h):
             access[(x, y)] = (x % 256, y % 256, 0)
 
 
-def timer(func, label, *args):
+def timer(func, label, *args) -> None:
     iterations = 5000
     starttime = time.time()
     for x in range(iterations):
@@ -38,7 +38,7 @@ def timer(func, label, *args):
     )
 
 
-def test_direct():
+def test_direct() -> None:
     im = hopper()
     im.load()
     # im = Image.new("RGB", (2000, 2000), (1, 3, 2))

Tests/test_bmp_reference.py

@@ -10,13 +10,13 @@
 base = os.path.join("Tests", "images", "bmp")
 
 
-def get_files(d, ext=".bmp"):
+def get_files(d, ext: str = ".bmp"):
     return [
         os.path.join(base, d, f) for f in os.listdir(os.path.join(base, d)) if ext in f
     ]
 
 
-def test_bad():
+def test_bad() -> None:
     """These shouldn't crash/dos, but they shouldn't return anything
     either"""
     for f in get_files("b"):
@@ -56,7 +56,7 @@ def test_questionable():
                 raise
 
 
-def test_good():
+def test_good() -> None:
     """These should all work. There's a set of target files in the
     html directory that we can compare against."""
 

Tests/test_box_blur.py

@@ -16,18 +16,18 @@
 # fmt: on
 
 
-def test_imageops_box_blur():
+def test_imageops_box_blur() -> None:
     i = sample.filter(ImageFilter.BoxBlur(1))
     assert i.mode == sample.mode
     assert i.size == sample.size
     assert isinstance(i, Image.Image)
 
 
-def box_blur(image, radius=1, n=1):
+def box_blur(image, radius: int = 1, n: int = 1):
     return image._new(image.im.box_blur((radius, radius), n))
 
 
-def assert_image(im, data, delta=0):
+def assert_image(im, data, delta: int = 0) -> None:
     it = iter(im.getdata())
     for data_row in data:
         im_row = [next(it) for _ in range(im.size[0])]
@@ -37,15 +37,15 @@ def assert_image(im, data, delta=0):
         next(it)
 
 
-def assert_blur(im, radius, data, passes=1, delta=0):
+def assert_blur(im, radius, data, passes: int = 1, delta: int = 0) -> None:
     # check grayscale image
     assert_image(box_blur(im, radius, passes), data, delta)
     rgba = Image.merge("RGBA", (im, im, im, im))
     for band in box_blur(rgba, radius, passes).split():
         assert_image(band, data, delta)
 
 
-def test_color_modes():
+def test_color_modes() -> None:
     with pytest.raises(ValueError):
         box_blur(sample.convert("1"))
     with pytest.raises(ValueError):
@@ -65,7 +65,7 @@ def test_color_modes():
         box_blur(sample.convert("YCbCr"))
 
 
-def test_radius_0():
+def test_radius_0() -> None:
     assert_blur(
         sample,
         0,
@@ -81,7 +81,7 @@ def test_radius_0():
     )
 
 
-def test_radius_0_02():
+def test_radius_0_02() -> None:
     assert_blur(
         sample,
         0.02,
@@ -98,7 +98,7 @@ def test_radius_0_02():
     )
 
 
-def test_radius_0_05():
+def test_radius_0_05() -> None:
     assert_blur(
         sample,
         0.05,
@@ -115,7 +115,7 @@ def test_radius_0_05():
     )
 
 
-def test_radius_0_1():
+def test_radius_0_1() -> None:
     assert_blur(
         sample,
         0.1,
@@ -132,7 +132,7 @@ def test_radius_0_1():
     )
 
 
-def test_radius_0_5():
+def test_radius_0_5() -> None:
     assert_blur(
         sample,
         0.5,
@@ -149,7 +149,7 @@ def test_radius_0_5():
     )
 
 
-def test_radius_1():
+def test_radius_1() -> None:
     assert_blur(
         sample,
         1,
@@ -166,7 +166,7 @@ def test_radius_1():
     )
 
 
-def test_radius_1_5():
+def test_radius_1_5() -> None:
     assert_blur(
         sample,
         1.5,
@@ -183,7 +183,7 @@ def test_radius_1_5():
     )
 
 
-def test_radius_bigger_then_half():
+def test_radius_bigger_then_half() -> None:
     assert_blur(
         sample,
         3,
@@ -200,7 +200,7 @@ def test_radius_bigger_then_half():
     )
 
 
-def test_radius_bigger_then_width():
+def test_radius_bigger_then_width() -> None:
     assert_blur(
         sample,
         10,
@@ -215,7 +215,7 @@ def test_radius_bigger_then_width():
     )
 
 
-def test_extreme_large_radius():
+def test_extreme_large_radius() -> None:
     assert_blur(
         sample,
         600,
@@ -230,7 +230,7 @@ def test_extreme_large_radius():
     )
 
 
-def test_two_passes():
+def test_two_passes() -> None:
     assert_blur(
         sample,
         1,
@@ -248,7 +248,7 @@ def test_two_passes():
     )
 
 
-def test_three_passes():
+def test_three_passes() -> None:
     assert_blur(
         sample,
         1,