#!/usr/bin/env python
# Don't run tests from the root repo dir.
# We want to ensure we're importing from the installed
# binary package not from the CWD.

import os
import sys
from contextlib import contextmanager
from subprocess import check_call

_dname = os.path.dirname

REPO_ROOT = _dname(_dname(_dname(os.path.abspath(__file__))))


@contextmanager
def cd(path):
    """Change directory while inside context manager."""
    cwd = os.getcwd()
    try:
        os.chdir(path)
        yield
    finally:
        os.chdir(cwd)


def run(command, env=None):
    return check_call(command, shell=True, env=env)


try:
    import awscrt  # noqa: F401
except ImportError:
    print("MISSING DEPENDENCY: awscrt must be installed to run the crt tests.")
    sys.exit(1)


if __name__ == "__main__":
    with cd(os.path.join(REPO_ROOT, "tests")):
        run(f"{REPO_ROOT}/scripts/ci/run-tests unit/ functional/")