165 lines
5.6 KiB
Python
165 lines
5.6 KiB
Python
"""
|
|
Unit test for Pybind wrap program
|
|
Author: Matthew Sklar, Varun Agrawal
|
|
Date: February 2019
|
|
"""
|
|
|
|
# pylint: disable=import-error, wrong-import-position, too-many-branches
|
|
|
|
import filecmp
|
|
import os
|
|
import os.path as osp
|
|
import sys
|
|
import unittest
|
|
|
|
sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
|
|
sys.path.append(
|
|
osp.normpath(osp.abspath(osp.join(__file__, '../../../build/wrap'))))
|
|
|
|
from gtwrap.pybind_wrapper import PybindWrapper
|
|
|
|
sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
|
|
|
|
|
|
class TestWrap(unittest.TestCase):
|
|
"""Tests for Python wrapper based on Pybind11."""
|
|
TEST_DIR = osp.dirname(osp.realpath(__file__))
|
|
INTERFACE_DIR = osp.join(TEST_DIR, 'fixtures')
|
|
PYTHON_TEST_DIR = osp.join(TEST_DIR, 'expected', 'python')
|
|
PYTHON_ACTUAL_DIR = osp.join(TEST_DIR, "actual", "python")
|
|
|
|
# Create the `actual/python` directory
|
|
os.makedirs(PYTHON_ACTUAL_DIR, exist_ok=True)
|
|
|
|
def wrap_content(self,
|
|
sources,
|
|
module_name,
|
|
output_dir,
|
|
use_boost_serialization=False):
|
|
"""
|
|
Common function to wrap content in `sources`.
|
|
"""
|
|
with open(osp.join(self.TEST_DIR, "pybind_wrapper.tpl"),
|
|
encoding="UTF-8") as template_file:
|
|
module_template = template_file.read()
|
|
|
|
# Create Pybind wrapper instance
|
|
wrapper = PybindWrapper(
|
|
module_name=module_name,
|
|
top_module_namespaces=[''],
|
|
ignore_classes=[''],
|
|
module_template=module_template,
|
|
use_boost_serialization=use_boost_serialization)
|
|
|
|
output = osp.join(self.TEST_DIR, output_dir, module_name + ".cpp")
|
|
|
|
if not osp.exists(osp.join(self.TEST_DIR, output_dir)):
|
|
os.mkdir(osp.join(self.TEST_DIR, output_dir))
|
|
|
|
wrapper.wrap(sources, output)
|
|
|
|
return output
|
|
|
|
def compare_and_diff(self, file, actual):
|
|
"""
|
|
Compute the comparison between the expected and actual file,
|
|
and assert if diff is zero.
|
|
"""
|
|
expected = osp.join(self.PYTHON_TEST_DIR, file)
|
|
success = filecmp.cmp(actual, expected)
|
|
|
|
if not success:
|
|
os.system(f"diff {actual} {expected}")
|
|
self.assertTrue(success, f"Mismatch for file {file}")
|
|
|
|
def test_geometry(self):
|
|
"""
|
|
Check generation of python geometry wrapper.
|
|
python3 ../pybind_wrapper.py --src geometry.h --module_name
|
|
geometry_py --out output/geometry_py.cc
|
|
"""
|
|
source = osp.join(self.INTERFACE_DIR, 'geometry.i')
|
|
output = self.wrap_content([source],
|
|
'geometry_py',
|
|
self.PYTHON_ACTUAL_DIR,
|
|
use_boost_serialization=True)
|
|
|
|
self.compare_and_diff('geometry_pybind.cpp', output)
|
|
|
|
def test_functions(self):
|
|
"""Test interface file with function info."""
|
|
source = osp.join(self.INTERFACE_DIR, 'functions.i')
|
|
output = self.wrap_content([source], 'functions_py',
|
|
self.PYTHON_ACTUAL_DIR)
|
|
|
|
self.compare_and_diff('functions_pybind.cpp', output)
|
|
|
|
def test_class(self):
|
|
"""Test interface file with only class info."""
|
|
source = osp.join(self.INTERFACE_DIR, 'class.i')
|
|
output = self.wrap_content([source], 'class_py',
|
|
self.PYTHON_ACTUAL_DIR)
|
|
|
|
self.compare_and_diff('class_pybind.cpp', output)
|
|
|
|
def test_templates(self):
|
|
"""Test interface file with templated class."""
|
|
source = osp.join(self.INTERFACE_DIR, 'templates.i')
|
|
output = self.wrap_content([source], 'templates_py',
|
|
self.PYTHON_ACTUAL_DIR)
|
|
|
|
self.compare_and_diff('templates_pybind.cpp', output)
|
|
|
|
def test_inheritance(self):
|
|
"""Test interface file with class inheritance definitions."""
|
|
source = osp.join(self.INTERFACE_DIR, 'inheritance.i')
|
|
output = self.wrap_content([source], 'inheritance_py',
|
|
self.PYTHON_ACTUAL_DIR)
|
|
|
|
self.compare_and_diff('inheritance_pybind.cpp', output)
|
|
|
|
def test_namespaces(self):
|
|
"""
|
|
Check generation of python wrapper for full namespace definition.
|
|
python3 ../pybind_wrapper.py --src namespaces.i --module_name
|
|
namespaces_py --out output/namespaces_py.cpp
|
|
"""
|
|
source = osp.join(self.INTERFACE_DIR, 'namespaces.i')
|
|
output = self.wrap_content([source], 'namespaces_py',
|
|
self.PYTHON_ACTUAL_DIR)
|
|
|
|
self.compare_and_diff('namespaces_pybind.cpp', output)
|
|
|
|
def test_operator_overload(self):
|
|
"""
|
|
Tests for operator overloading.
|
|
"""
|
|
source = osp.join(self.INTERFACE_DIR, 'operator.i')
|
|
output = self.wrap_content([source], 'operator_py',
|
|
self.PYTHON_ACTUAL_DIR)
|
|
|
|
self.compare_and_diff('operator_pybind.cpp', output)
|
|
|
|
def test_special_cases(self):
|
|
"""
|
|
Tests for some unique, non-trivial features.
|
|
"""
|
|
source = osp.join(self.INTERFACE_DIR, 'special_cases.i')
|
|
output = self.wrap_content([source], 'special_cases_py',
|
|
self.PYTHON_ACTUAL_DIR)
|
|
|
|
self.compare_and_diff('special_cases_pybind.cpp', output)
|
|
|
|
def test_enum(self):
|
|
"""
|
|
Test if enum generation is correct.
|
|
"""
|
|
source = osp.join(self.INTERFACE_DIR, 'enum.i')
|
|
output = self.wrap_content([source], 'enum_py', self.PYTHON_ACTUAL_DIR)
|
|
|
|
self.compare_and_diff('enum_pybind.cpp', output)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|