Add integrity check

lm_eval/evaluator.py

 import collections
 import itertools
+import pathlib
 import random
 import lm_eval.metrics
 import lm_eval.models
 import lm_eval.tasks
 import lm_eval.base
 import numpy as np
-from lm_eval.utils import positional_deprecated
+from lm_eval.utils import positional_deprecated, run_task_tests
 
 
 @positional_deprecated
 def simple_evaluate(model, model_args=None, tasks=[],
                     num_fewshot=0, batch_size=None, device=None,
                     no_cache=False, limit=None, bootstrap_iters=100000,
-                    description_dict=None):
+                    description_dict=None, check_integrity=False):
     """Instantiate and evaluate a model on a list of tasks.
 
     :param model: Union[str, LM]
@@ -37,6 +38,8 @@ def simple_evaluate(model, model_args=None, tasks=[],
         Number of iterations for bootstrap statistics
     :param description_dict: dict[str, str]
         Dictionary of custom task descriptions of the form: `task_name: description` 
+    :param check_integrity: bool
+        Whether to run the relevant part of the test suite for the tasks
     :return
         Dictionary of results
     """
@@ -61,6 +64,9 @@ def simple_evaluate(model, model_args=None, tasks=[],
     
     task_dict = lm_eval.tasks.get_task_dict(tasks)
 
+    if check_integrity:
+        run_task_tests(start_path=pathlib.Path(__file__), task_list=tasks)
+
     results = evaluate(
         lm=lm,
         task_dict=task_dict,

lm_eval/utils.py

 import os
+import pathlib
 import re
 import collections
 import functools
 import inspect
+import sys
+import pytest
+from typing import List
 
 
 class ExitCodeError(Exception):
@@ -155,3 +159,32 @@ def positional_deprecated(fn):
                 "lm-evaluation-harness!")
         return fn(*args, **kwargs)
     return _wrapper
+
+@positional_deprecated
+def find_test_root(start_path: pathlib.Path) -> pathlib.Path:
+    """
+    Search upward in the directory tree to a maximum of three layers
+    to find and return the package root (containing the 'tests' folder)
+    """
+    cur_path = start_path.resolve()
+    max_layers = 3
+    for _ in range(max_layers):
+        if (cur_path / 'tests' / 'test_version_stable.py').exists():
+            return cur_path
+        else:
+            cur_path = cur_path.parent.resolve()
+    raise FileNotFoundError(f"Unable to find package root within {max_layers} upwards" +\
+        f"of {start_path}")
+
+@positional_deprecated
+def run_task_tests(start_path: pathlib.Path, task_list: List[str]):
+    """
+    Find the package root and run the tests for the given tasks
+    """
+    package_root = find_test_root(start_path=start_path)
+    task_string = ' or '.join(task_list)
+    args = [f'{package_root}/tests/test_version_stable.py', f'--rootdir={package_root}', '-k', f'{task_string}']
+    sys.path.append(str(package_root))
+    pytest_return_val = pytest.main(args)
+    if pytest_return_val:
+        raise ValueError(f"Not all tests for the specified tasks ({task_list}) ran successfully! Error code: {pytest_return_val}")
\ No newline at end of file