allow tolerances in transforms consistency checks (#6774)

Author: pmeier

test/test_prototype_transforms_consistency.py

@@ -12,6 +12,7 @@
 import torch
 from prototype_common_utils import (
     ArgsKwargs,
+    assert_close,
     assert_equal,
     make_bounding_box,
     make_detection_mask,
@@ -40,13 +41,15 @@ def __init__(
         make_images_kwargs=None,
         supports_pil=True,
         removed_params=(),
+        closeness_kwargs=None,
     ):
         self.prototype_cls = prototype_cls
         self.legacy_cls = legacy_cls
         self.args_kwargs = args_kwargs
         self.make_images_kwargs = make_images_kwargs or DEFAULT_MAKE_IMAGES_KWARGS
         self.supports_pil = supports_pil
         self.removed_params = removed_params
+        self.closeness_kwargs = closeness_kwargs or dict(rtol=0, atol=0)
 
 
 # These are here since both the prototype and legacy transform need to be constructed with the same random parameters
@@ -491,10 +494,14 @@ def test_signature_consistency(config):
     assert prototype_kinds == legacy_kinds
 
 
-def check_call_consistency(prototype_transform, legacy_transform, images=None, supports_pil=True):
+def check_call_consistency(
+    prototype_transform, legacy_transform, images=None, supports_pil=True, closeness_kwargs=None
+):
     if images is None:
         images = make_images(**DEFAULT_MAKE_IMAGES_KWARGS)
 
+    closeness_kwargs = closeness_kwargs or dict()
+
     for image in images:
         image_repr = f"[{tuple(image.shape)}, {str(image.dtype).rsplit('.')[-1]}]"
 
@@ -520,10 +527,11 @@ def check_call_consistency(prototype_transform, legacy_transform, images=None, s
                 f"`is_simple_tensor` path in `_transform`."
             ) from exc
 
-        assert_equal(
+        assert_close(
             output_prototype_tensor,
             output_legacy_tensor,
             msg=lambda msg: f"Tensor image consistency check failed with: \n\n{msg}",
+            **closeness_kwargs,
         )
 
         try:
@@ -536,10 +544,11 @@ def check_call_consistency(prototype_transform, legacy_transform, images=None, s
                 f"`features.Image` path in `_transform`."
             ) from exc
 
-        assert_equal(
+        assert_close(
             output_prototype_image,
             output_prototype_tensor,
             msg=lambda msg: f"Output for feature and tensor images is not equal: \n\n{msg}",
+            **closeness_kwargs,
         )
 
         if image.ndim == 3 and supports_pil:
@@ -565,10 +574,11 @@ def check_call_consistency(prototype_transform, legacy_transform, images=None, s
                     f"`PIL.Image.Image` path in `_transform`."
                 ) from exc
 
-            assert_equal(
+            assert_close(
                 output_prototype_pil,
                 output_legacy_pil,
                 msg=lambda msg: f"PIL image consistency check failed with: \n\n{msg}",
+                **closeness_kwargs,
             )
 
 
@@ -606,6 +616,7 @@ def test_call_consistency(config, args_kwargs):
         legacy_transform,
         images=make_images(**config.make_images_kwargs),
         supports_pil=config.supports_pil,
+        closeness_kwargs=config.closeness_kwargs,
     )