Files
RustPython/tests/test_snippets.py
Daniel Watkins a457153ce1 Consider imports relative to their source
Currently they are considered relative to the current working directory
of the interpreter, which is incorrect.

Fixes #83.
2018-08-25 19:45:19 -04:00

124 lines
3.6 KiB
Python

# This is a python unittest class automatically populating with all tests
# in the tests folder.
import sys
import os
import unittest
import glob
import logging
import subprocess
import contextlib
import enum
import compile_code
class _TestType(enum.Enum):
functional = 1
benchmark = 2
logger = logging.getLogger('tests')
ROOT_DIR = '..'
TEST_ROOT = os.path.abspath(os.path.join(ROOT_DIR, 'tests'))
TEST_DIRS = {
_TestType.functional: os.path.join(TEST_ROOT, 'snippets'),
_TestType.benchmark: os.path.join(TEST_ROOT, 'benchmarks'),
}
CPYTHON_RUNNER_DIR = os.path.abspath(os.path.join(ROOT_DIR, 'py_code_object'))
RUSTPYTHON_RUNNER_DIR = os.path.abspath(os.path.join(ROOT_DIR))
@contextlib.contextmanager
def pushd(path):
old_dir = os.getcwd()
os.chdir(path)
yield
os.chdir(old_dir)
def perform_test(filename, method, test_type):
logger.info('Running %s via %s', filename, method)
if method == 'cpython':
run_via_cpython(filename)
elif method == 'cpython_bytecode':
run_via_cpython_bytecode(filename, test_type)
elif method == 'rustpython':
run_via_rustpython(filename, test_type)
else:
raise NotImplementedError(method)
def run_via_cpython(filename):
""" Simply invoke python itself on the script """
env = os.environ.copy()
subprocess.check_call([sys.executable, filename], env=env)
def run_via_cpython_bytecode(filename, test_type):
# Step1: Create bytecode file:
bytecode_filename = filename + '.bytecode'
with open(bytecode_filename, 'w') as f:
compile_code.compile_to_bytecode(filename, out_file=f)
# Step2: run cpython bytecode:
env = os.environ.copy()
log_level = 'info' if test_type == _TestType.benchmark else 'debug'
env['RUST_LOG'] = '{},cargo=error,jobserver=error'.format(log_level)
env['RUST_BACKTRACE'] = '1'
with pushd(CPYTHON_RUNNER_DIR):
subprocess.check_call(['cargo', 'run', bytecode_filename], env=env)
def run_via_rustpython(filename, test_type):
env = os.environ.copy()
log_level = 'info' if test_type == _TestType.benchmark else 'trace'
env['RUST_LOG'] = '{},cargo=error,jobserver=error'.format(log_level)
env['RUST_BACKTRACE'] = '1'
subprocess.check_call(
['cargo', 'run', '--release', filename], env=env)
def create_test_function(cls, filename, method, test_type):
""" Create a test function for a single snippet """
core_test_directory, snippet_filename = os.path.split(filename)
test_function_name = 'test_{}_'.format(method) \
+ os.path.splitext(snippet_filename)[0] \
.replace('.', '_').replace('-', '_')
def test_function(self):
perform_test(filename, method, test_type)
if hasattr(cls, test_function_name):
raise ValueError('Duplicate test case {}'.format(test_function_name))
setattr(cls, test_function_name, test_function)
def populate(method):
def wrapper(cls):
""" Decorator function which can populate a unittest.TestCase class """
for test_type, filename in get_test_files():
create_test_function(cls, filename, method, test_type)
return cls
return wrapper
def get_test_files():
""" Retrieve test files """
for test_type, test_dir in TEST_DIRS.items():
for filepath in sorted(glob.iglob(os.path.join(test_dir, '*.py'))):
filename = os.path.split(filepath)[1]
if filename.startswith('xfail_'):
continue
yield test_type, os.path.abspath(filepath)
@populate('cpython')
# @populate('cpython_bytecode')
@populate('rustpython')
class SampleTestCase(unittest.TestCase):
pass