Pipeline testing - using tiny models on Hub (#20426)

* rework pipeline tests

* run pipeline tests

* fix

* fix

* fix

* revert the changes in get_test_pipeline() parameter list

* fix expected error message

* skip a test

* clean up

---------
Co-authored-by: ydshieh <ydshieh@users.noreply.github.com>

tests/pipelines/test_pipelines_video_classification.py

@@ -35,11 +35,11 @@ from .test_pipelines_common import ANY, PipelineTestCaseMeta
 class VideoClassificationPipelineTests(unittest.TestCase, metaclass=PipelineTestCaseMeta):
     model_mapping = MODEL_FOR_VIDEO_CLASSIFICATION_MAPPING
 
-    def get_test_pipeline(self, model, tokenizer, feature_extractor, image_processor):
+    def get_test_pipeline(self, model, tokenizer, processor):
         example_video_filepath = hf_hub_download(
             repo_id="nateraw/video-demo", filename="archery.mp4", repo_type="dataset"
         )
-        video_classifier = VideoClassificationPipeline(model=model, feature_extractor=feature_extractor, top_k=2)
+        video_classifier = VideoClassificationPipeline(model=model, feature_extractor=processor, top_k=2)
         examples = [
             example_video_filepath,
             "https://huggingface.co/datasets/nateraw/video-demo/resolve/main/archery.mp4",

tests/pipelines/test_pipelines_visual_question_answering.py

@@ -36,7 +36,7 @@ else:
 class VisualQuestionAnsweringPipelineTests(unittest.TestCase, metaclass=PipelineTestCaseMeta):
     model_mapping = MODEL_FOR_VISUAL_QUESTION_ANSWERING_MAPPING
 
-    def get_test_pipeline(self, model, tokenizer, feature_extractor, image_processor):
+    def get_test_pipeline(self, model, tokenizer, processor):
         vqa_pipeline = pipeline("visual-question-answering", model="hf-internal-testing/tiny-vilt-random-vqa")
         examples = [
             {

tests/pipelines/test_pipelines_zero_shot.py

@@ -30,7 +30,7 @@ class ZeroShotClassificationPipelineTests(unittest.TestCase, metaclass=PipelineT
     model_mapping = MODEL_FOR_SEQUENCE_CLASSIFICATION_MAPPING
     tf_model_mapping = TF_MODEL_FOR_SEQUENCE_CLASSIFICATION_MAPPING
 
-    def get_test_pipeline(self, model, tokenizer, feature_extractor, image_processor):
+    def get_test_pipeline(self, model, tokenizer, processor):
         classifier = ZeroShotClassificationPipeline(
             model=model, tokenizer=tokenizer, candidate_labels=["polics", "health"]
         )

tests/pipelines/test_pipelines_zero_shot_image_classification.py

@@ -37,7 +37,7 @@ class ZeroShotImageClassificationPipelineTests(unittest.TestCase, metaclass=Pipe
     # and only CLIP would be there for now.
     # model_mapping = {CLIPConfig: CLIPModel}
 
-    # def get_test_pipeline(self, model, tokenizer, feature_extractor, image_processor):
+    # def get_test_pipeline(self, model, tokenizer, processor):
     #     if tokenizer is None:
     #         # Side effect of no Fast Tokenizer class for these model, so skipping
     #         # But the slow tokenizer test should still run as they're quite small
@@ -46,7 +46,7 @@ class ZeroShotImageClassificationPipelineTests(unittest.TestCase, metaclass=Pipe
     #         # return None, None
 
     #     image_classifier = ZeroShotImageClassificationPipeline(
-    #         model=model, tokenizer=tokenizer, feature_extractor=feature_extractor
+    #         model=model, tokenizer=tokenizer, feature_extractor=processor
     #     )
 
     #     # test with a raw waveform

tests/pipelines/test_pipelines_zero_shot_object_detection.py

@@ -36,7 +36,7 @@ class ZeroShotObjectDetectionPipelineTests(unittest.TestCase, metaclass=Pipeline
 
     model_mapping = MODEL_FOR_ZERO_SHOT_OBJECT_DETECTION_MAPPING
 
-    def get_test_pipeline(self, model, tokenizer, feature_extractor, image_processor):
+    def get_test_pipeline(self, model, tokenizer, processor):
         object_detector = pipeline(
             "zero-shot-object-detection", model="hf-internal-testing/tiny-random-owlvit-object-detection"
         )

utils/create_dummy_models.py

@@ -15,6 +15,7 @@
 
 import argparse
 import collections.abc
+import copy
 import importlib
 import inspect
 import json
@@ -31,6 +32,7 @@ from huggingface_hub import Repository, create_repo, upload_folder
 from transformers import (
     CONFIG_MAPPING,
     FEATURE_EXTRACTOR_MAPPING,
+    IMAGE_PROCESSOR_MAPPING,
     PROCESSOR_MAPPING,
     TOKENIZER_MAPPING,
     AutoTokenizer,
@@ -74,29 +76,36 @@ def get_processor_types_from_config_class(config_class, allowed_mappings=None):
 
     We use `tuple` here to include (potentially) both slow & fast tokenizers.
     """
+
+    # To make a uniform return type
+    def _to_tuple(x):
+        if not isinstance(x, collections.abc.Sequence):
+            x = (x,)
+        else:
+            x = tuple(x)
+        return x
+
     if allowed_mappings is None:
-        allowed_mappings = ["processor", "tokenizer", "feature_extractor"]
+        allowed_mappings = ["processor", "tokenizer", "image_processor", "feature_extractor"]
 
     processor_types = ()
 
-    # Check first if a model has `ProcessorMixin`. Otherwise, check if it has tokenizers or a feature extractor.
+    # Check first if a model has `ProcessorMixin`. Otherwise, check if it has tokenizers, and/or an image processor or
+    # a feature extractor
     if config_class in PROCESSOR_MAPPING and "processor" in allowed_mappings:
-        processor_types = PROCESSOR_MAPPING[config_class]
-    elif config_class in TOKENIZER_MAPPING and "tokenizer" in allowed_mappings:
+        processor_types = _to_tuple(PROCESSOR_MAPPING[config_class])
+    else:
+        if config_class in TOKENIZER_MAPPING and "tokenizer" in allowed_mappings:
             processor_types = TOKENIZER_MAPPING[config_class]
+
+        if config_class in IMAGE_PROCESSOR_MAPPING and "image_processor" in allowed_mappings:
+            processor_types += _to_tuple(IMAGE_PROCESSOR_MAPPING[config_class])
         elif config_class in FEATURE_EXTRACTOR_MAPPING and "feature_extractor" in allowed_mappings:
-        processor_types = FEATURE_EXTRACTOR_MAPPING[config_class]
-    else:
-        # Some configurations have no processor at all. For example, generic composite models like
+            processor_types += _to_tuple(FEATURE_EXTRACTOR_MAPPING[config_class])
+
+    # Remark: some configurations have no processor at all. For example, generic composite models like
     # `EncoderDecoderModel` is used for any (compatible) text models. Also, `DecisionTransformer` doesn't
     # require any processor.
-        pass
-
-    # make a uniform return type
-    if not isinstance(processor_types, collections.abc.Sequence):
-        processor_types = (processor_types,)
-    else:
-        processor_types = tuple(processor_types)
 
     # We might get `None` for some tokenizers - remove them here.
     processor_types = tuple(p for p in processor_types if p is not None)
@@ -154,7 +163,7 @@ def get_config_class_from_processor_class(processor_class):
     return new_config_class
 
 
-def build_processor(config_class, processor_class):
+def build_processor(config_class, processor_class, allow_no_checkpoint=False):
     """Create a processor for `processor_class`.
 
     If a processor is not able to be built with the original arguments, this method tries to change the arguments and
@@ -264,6 +273,18 @@ def build_processor(config_class, processor_class):
             if config_class_from_processor_class != config_class:
                 processor = build_processor(config_class_from_processor_class, processor_class)
 
+    # Try to create an image processor or a feature extractor without any checkpoint
+    if (
+        processor is None
+        and allow_no_checkpoint
+        and (issubclass(processor_class, BaseImageProcessor) or issubclass(processor_class, FeatureExtractionMixin))
+    ):
+        try:
+            processor = processor_class()
+        except Exception as e:
+            logger.error(e)
+            pass
+
     # validation
     if processor is not None:
         if not (isinstance(processor, processor_class) or processor_class.__name__.startswith("Auto")):
@@ -458,6 +479,18 @@ def convert_processors(processors, tiny_config, output_folder, result):
         result["warnings"].append(f"Failed to convert feature extractors: {e}")
         feature_extractors = []
 
+    if hasattr(tiny_config, "max_position_embeddings") and tiny_config.max_position_embeddings > 0:
+        if fast_tokenizer is not None:
+            if fast_tokenizer.__class__.__name__ in ["RobertaTokenizerFast", "XLMRobertaTokenizerFast"]:
+                fast_tokenizer.model_max_length = tiny_config.max_position_embeddings - 2
+            else:
+                fast_tokenizer.model_max_length = tiny_config.max_position_embeddings
+        if slow_tokenizer is not None:
+            if slow_tokenizer.__class__.__name__ in ["RobertaTokenizer", "XLMRobertaTokenizer"]:
+                slow_tokenizer.model_max_length = tiny_config.max_position_embeddings - 2
+            else:
+                slow_tokenizer.model_max_length = tiny_config.max_position_embeddings
+
     processors = [fast_tokenizer, slow_tokenizer] + feature_extractors
     processors = [p for p in processors if p is not None]
     for p in processors:
@@ -491,6 +524,12 @@ def build_model(model_arch, tiny_config, output_dir):
     if os.path.isdir(processor_output_dir):
         shutil.copytree(processor_output_dir, checkpoint_dir, dirs_exist_ok=True)
 
+    tiny_config = copy.deepcopy(tiny_config)
+
+    if any([model_arch.__name__.endswith(x) for x in ["ForCausalLM", "LMHeadModel"]]):
+        tiny_config.is_encoder_decoder = False
+        tiny_config.is_decoder = True
+
     model = model_arch(config=tiny_config)
     model.save_pretrained(checkpoint_dir)
     model.from_pretrained(checkpoint_dir)
@@ -819,7 +858,7 @@ def build(config_class, models_to_create, output_dir):
 
     for processor_class in processor_classes:
         try:
-            processor = build_processor(config_class, processor_class)
+            processor = build_processor(config_class, processor_class, allow_no_checkpoint=True)
             if processor is not None:
                 result["processor"][processor_class] = processor
         except Exception as e: