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import ast
import os
def get_function_names_from_file(file_path):
"""
Extracts all function names from a given Python file.
"""
with open(file_path, "r") as file:
tree = ast.parse(file.read())
function_names = []
for node in tree.body:
if isinstance(node, (ast.FunctionDef, ast.AsyncFunctionDef)):
# Top-level functions
function_names.append(node.name)
elif isinstance(node, ast.ClassDef):
# Functions inside classes
for class_node in node.body:
if isinstance(class_node, (ast.FunctionDef, ast.AsyncFunctionDef)):
function_names.append(class_node.name)
return function_names
def get_all_functions_called_in_tests(base_dir):
"""
Returns a set of function names that are called in test functions
inside 'local_testing' and 'router_unit_test' directories,
specifically in files containing the word 'router'.
"""
called_functions = set()
test_dirs = ["local_testing", "router_unit_tests", "test_litellm"]
for test_dir in test_dirs:
dir_path = os.path.join(base_dir, test_dir)
if not os.path.exists(dir_path):
print(f"Warning: Directory {dir_path} does not exist.")
continue
print("dir_path: ", dir_path)
for root, _, files in os.walk(dir_path):
for file in files:
if file.endswith(".py") and "router" in file.lower():
print("file: ", file)
file_path = os.path.join(root, file)
with open(file_path, "r") as f:
try:
tree = ast.parse(f.read())
except SyntaxError:
print(f"Warning: Syntax error in file {file_path}")
continue
if file == "test_router_validate_fallbacks.py":
print(f"tree: {tree}")
for node in ast.walk(tree):
if isinstance(node, ast.Call) and isinstance(
node.func, ast.Name
):
called_functions.add(node.func.id)
elif isinstance(node, ast.Call) and isinstance(
node.func, ast.Attribute
):
called_functions.add(node.func.attr)
return called_functions
def get_functions_from_router(file_path):
"""
Extracts all functions defined in router.py.
"""
return get_function_names_from_file(file_path)
ignored_function_names = [
"__init__",
]
def main():
router_file = [
"./litellm/router.py",
"./litellm/router_utils/batch_utils.py",
"./litellm/router_utils/pattern_match_deployments.py",
]
# router_file = [
# "../../litellm/router.py",
# "../../litellm/router_utils/pattern_match_deployments.py",
# "../../litellm/router_utils/batch_utils.py",
# ] ## LOCAL TESTING
tests_dir = (
"./tests/" # Update this path if your tests directory is located elsewhere
)
# tests_dir = "../../tests/" # LOCAL TESTING
router_functions = []
for file in router_file:
router_functions.extend(get_functions_from_router(file))
print("router_functions: ", router_functions)
called_functions_in_tests = get_all_functions_called_in_tests(tests_dir)
untested_functions = [
fn for fn in router_functions if fn not in called_functions_in_tests
]
if untested_functions:
all_untested_functions = []
for func in untested_functions:
if func not in ignored_function_names:
all_untested_functions.append(func)
untested_perc = (len(all_untested_functions)) / len(router_functions)
print("untested_perc: ", untested_perc)
if untested_perc > 0:
print("The following functions in router.py are not tested:")
raise Exception(
f"{untested_perc * 100:.2f}% of functions in router.py are not tested: {all_untested_functions}"
)
else:
print("All functions in router.py are covered by tests.")
if __name__ == "__main__":
main()
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