diff --git a/ci/access_control_test.py b/ci/access_control_test.py
new file mode 100644
index 0000000000000000000000000000000000000000..cdd927ac087beb89d4f0e49cd4490f523e5917a1
--- /dev/null
+++ b/ci/access_control_test.py
@@ -0,0 +1,160 @@
+import os
+from pathlib import Path
+
+
+def read_files_from_txt(txt_file):
+    with open(txt_file, "r") as f:
+        return [line.strip() for line in f.readlines()]
+
+
+def is_examples(file):
+    return file.startswith("examples/") or file.startswith("tests/poc/")
+
+
+def is_markdown(file):
+    return file.endswith(".md")
+
+
+def is_image(file):
+    return file.endswith(".jpg") or file.endswith(".png")
+
+
+def is_txt(file):
+    return file.endswith(".txt")
+
+
+def is_owners(file):
+    return file.startswith("OWNERS")
+
+
+def is_license(file):
+    return file.startswith("LICENSE")
+
+
+def is_ut(file):
+    return file.startswith("tests/ut")
+
+
+def is_no_suffix(file):
+    return os.path.splitext(file)[1] == ''
+
+
+def skip_ci(files, skip_conds):
+    for file in files:
+        if not any(condition(file) for condition in skip_conds):
+            return False
+    return True
+
+
+def choose_skip_ci(raw_txt_file):
+    if not os.path.exists(raw_txt_file):
+        return False
+
+    file_list = read_files_from_txt(raw_txt_file)
+    skip_conds = [
+        is_examples,
+        is_markdown,
+        is_image,
+        is_txt,
+        is_owners,
+        is_license,
+        is_no_suffix
+    ]
+
+    return skip_ci(file_list, skip_conds)
+
+
+def filter_exec_ut(raw_txt_file):
+    file_list = read_files_from_txt(raw_txt_file)
+    filter_conds = [
+        is_ut,
+        is_markdown
+    ]
+    for file in file_list:
+        if not any(condition(file) for condition in filter_conds):
+            return False, None
+    return True, file_list
+
+
+def acquire_exitcode(command):
+    exitcode = os.system(command)
+    real_code = os.WEXITSTATUS(exitcode)
+    return real_code
+
+
+# =============================
+# UT test, run with pytest
+# =============================
+
+class UTTest:
+    def __init__(self):
+        self.base_dir = Path(__file__).absolute().parents[1]
+        self.test_dir = os.path.join(self.base_dir, 'tests')
+        self.ut_files = os.path.join(
+            self.base_dir, self.test_dir, "ut"
+        )
+
+    def run_ut(self, raw_txt_file=None):
+        if raw_txt_file is not None and os.path.exists(raw_txt_file):
+            filtered_results = filter_exec_ut(raw_txt_file)
+
+            if filtered_results[0]:
+                filtered_files = filtered_results[1]
+                full_path = [os.path.join(self.base_dir, file) for file in filtered_files]
+                exsit_ut_files = [file for file in full_path if os.path.exists(file) and file.endswith(".py")]
+                self.ut_files = " ".join(exsit_ut_files)
+
+        command = f"pytest -x --log-cli-level=INFO {self.ut_files}"
+        code = acquire_exitcode(command)
+        if code == 0:
+            print("UT test success")
+        else:
+            print("UT failed")
+            exit(1)
+
+
+# ===============================================
+# ST test, run with sh.
+# ===============================================
+
+class STTest:
+    def __init__(self):
+        self.base_dir = Path(__file__).absolute().parents[1]
+        self.test_dir = os.path.join(self.base_dir, 'tests')
+
+        self.st_dir = "st"
+        self.st_shell = os.path.join(
+            self.test_dir, self.st_dir, "st_run.sh"
+        )
+
+    def run_st(self):
+        rectify_case = f"bash {self.st_shell}"
+        rectify_code = acquire_exitcode(rectify_case)
+        if rectify_code != 0:
+            print("rectify case failed, check it.")
+            exit(1)
+
+
+def run_tests(raw_txt_file):
+    ut = UTTest()
+    st = STTest()
+    if filter_exec_ut(raw_txt_file)[0]:
+        ut.run_ut(raw_txt_file)
+    else:
+        ut.run_ut()
+        st.run_st()
+
+
+def main():
+    parent_dir = Path(__file__).absolute().parents[2]
+    raw_txt_file = os.path.join(parent_dir, "modify.txt")
+
+    skip_signal = choose_skip_ci(raw_txt_file)
+    if skip_signal:
+        print("Skipping CI")
+    else:
+        run_tests(raw_txt_file)
+
+
+if __name__ == "__main__":
+    main()
diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/tests/st/st_run.sh b/tests/st/st_run.sh
new file mode 100644
index 0000000000000000000000000000000000000000..c16aa327d166f37786e4364c6175bd92d017849e
--- /dev/null
+++ b/tests/st/st_run.sh
@@ -0,0 +1 @@
+echo "Hello World !"
\ No newline at end of file
diff --git a/tests/test_tools/dist_test.py b/tests/test_tools/dist_test.py
new file mode 100644
index 0000000000000000000000000000000000000000..1cc659702b9413d9b0588417275db758b95bf9cc
--- /dev/null
+++ b/tests/test_tools/dist_test.py
@@ -0,0 +1,349 @@
+# Copyright (c) Microsoft Corporation.
+#
+# This source code is licensed under the Apache license found in the
+# LICENSE file in the root directory of this source tree.
+
+# copied from https://github.com/microsoft/DeepSpeed/blob/master/tests/unit/common.py
+# reworked/refactored some parts to make it run.
+import os
+import time
+import inspect
+import socket
+import json
+from abc import ABC, abstractmethod
+
+import torch
+import torch.multiprocessing as mp
+import torch.distributed as dist
+
+import pytest
+from _pytest.outcomes import Skipped
+from _pytest.fixtures import FixtureLookupError, FixtureFunctionMarker
+
+# Worker timeout for tests that hang
+TEST_TIMEOUT = 600
+
+
+def get_xdist_worker_id():
+    xdist_worker = os.environ.get("PYTEST_XDIST_WORKER", None)
+    if xdist_worker is not None:
+        xdist_worker_id = xdist_worker.replace("gw", "")
+        return int(xdist_worker_id)
+    return None
+
+
+def get_master_port(base_port=29500, port_range_size=1000):
+    xdist_worker_id = get_xdist_worker_id()
+    if xdist_worker_id is not None:
+        # Make xdist workers use different port ranges to avoid race conditions
+        base_port += port_range_size * xdist_worker_id
+
+    # Select first open port in range
+    port = base_port
+    max_port = base_port + port_range_size
+    sock = socket.socket()
+    while port < max_port:
+        try:
+            sock.bind(("", port))
+            sock.close()
+            return str(port)
+        except OSError:
+            port += 1
+    raise IOError("no free ports")
+
+
+class DistributedExec(ABC):
+    """
+    Base class for distributed execution of functions/methods. Contains common
+    methods needed for DistributedTest and DistributedFixture.
+    """
+
+    world_size = 2
+    backend = "nccl"
+    init_distributed = True
+    set_dist_env = True
+    reuse_dist_env = False
+    _pool_cache = {}
+    exec_timeout = TEST_TIMEOUT
+
+    @abstractmethod
+    def run(self):
+        ...
+
+    def __call__(self, request=None):
+        self._fixture_kwargs = self._get_fixture_kwargs(request, self.run)
+        world_size = self.world_size
+        if not torch.cuda.is_available():
+            pytest.skip("only supported in accelerator environments.")
+
+        if isinstance(world_size, int):
+            world_size = [world_size]
+        for procs in world_size:
+            self._launch_procs(procs)
+
+    def _get_fixture_kwargs(self, request, func):
+        if not request:
+            return {}
+        # Grab fixture / parametrize kwargs from pytest request object
+        fixture_kwargs = {}
+        params = inspect.getfullargspec(func).args
+        params.remove("self")
+        for p in params:
+            try:
+                fixture_kwargs[p] = request.getfixturevalue(p)
+            except FixtureLookupError:
+                pass  # test methods can have kwargs that are not fixtures
+        return fixture_kwargs
+
+    def _launch_procs(self, num_procs):
+        # Verify we have enough accelerator devices to run this test
+        if torch.cuda.is_available() and torch.cuda.device_count() < num_procs:
+            pytest.skip(
+                f"Skipping test because not enough GPUs are available: {num_procs} required, {torch.cuda.device_count()} available"
+            )
+
+        # Set start method to `forkserver` (or `fork`)
+        mp.set_start_method("forkserver", force=True)
+
+        # Create process pool or use cached one
+        master_port = None
+        if self.reuse_dist_env:
+            if num_procs not in self._pool_cache:
+                self._pool_cache[num_procs] = mp.Pool(processes=num_procs)
+                master_port = get_master_port()
+            pool = self._pool_cache[num_procs]
+        else:
+            pool = mp.Pool(processes=num_procs)
+            master_port = get_master_port()
+
+        # Run the test
+        args = [(local_rank, num_procs, master_port) for local_rank in range(num_procs)]
+        skip_msgs_async = pool.starmap_async(self._dist_run, args)
+
+        try:
+            skip_msgs = skip_msgs_async.get(self.exec_timeout)
+        except mp.TimeoutError:
+            # Shortcut to exit pytest in the case of a hanged test. This
+            # usually means an environment error and the rest of tests will
+            # hang (causing super long unit test runtimes)
+            pytest.exit("Test hanged, exiting", returncode=0)
+
+        # Tear down distributed environment and close process pools
+        self._close_pool(pool, num_procs)
+
+        # If we skipped a test, propagate that to this process
+        if any(skip_msgs):
+            assert len(set(skip_msgs)) == 1, "Multiple different skip messages received"
+            pytest.skip(skip_msgs[0])
+
+    def _dist_run(self, local_rank, num_procs, master_port):
+        skip_msg = ""
+        if not dist.is_initialized():
+            """ Initialize torch.distributed and execute the user function. """
+            if self.set_dist_env:
+                os.environ["MASTER_ADDR"] = "127.0.0.1"
+                os.environ["MASTER_PORT"] = str(master_port)
+                os.environ["LOCAL_RANK"] = str(local_rank)
+                # NOTE: unit tests don't support multi-node so local_rank == global rank
+                os.environ["RANK"] = str(local_rank)
+                # In case of multiprocess launching LOCAL_SIZE should be same as WORLD_SIZE
+                # single node launcher would also set LOCAL_SIZE accordingly
+                os.environ["LOCAL_SIZE"] = str(num_procs)
+                os.environ["WORLD_SIZE"] = str(num_procs)
+
+            print(
+                f"Initializing torch.distributed with rank: {local_rank}, world_size: {num_procs}"
+            )
+            torch.cuda.set_device(local_rank % torch.cuda.device_count())
+            init_method = "tcp://"
+            master_ip = os.getenv("MASTER_ADDR", "localhost")
+            master_port = str(master_port)
+            init_method += master_ip + ":" + master_port
+            torch.distributed.init_process_group(
+                backend=self.backend,
+                world_size=num_procs,
+                rank=local_rank,
+                init_method=init_method,
+            )
+
+            if torch.cuda.is_available():
+                torch.cuda.set_device(local_rank)
+
+        try:
+            self.run(**self._fixture_kwargs)
+        except BaseException as e:
+            if isinstance(e, Skipped):
+                skip_msg = e.msg
+            else:
+                raise e
+
+        return skip_msg
+
+    def _dist_destroy(self):
+        if (dist is not None) and dist.is_initialized():
+            dist.barrier()
+            dist.destroy_process_group()
+
+    def _close_pool(self, pool, num_procs, force=False):
+        if force or not self.reuse_dist_env:
+            msg = pool.starmap(self._dist_destroy, [() for _ in range(num_procs)])
+            pool.close()
+            pool.join()
+
+
+class DistributedFixture(DistributedExec):
+    """
+    Implementation that extends @pytest.fixture to allow for distributed execution.
+    This is primarily meant to be used when a test requires executing two pieces of
+    code with different world sizes.
+
+    There are 2 parameters that can be modified:
+        - world_size: int = 2 -- the number of processes to launch
+        - backend: Literal['nccl','mpi','gloo'] = 'nccl' -- which backend to use
+
+    Features:
+        - able to call pytest.skip() inside fixture
+        - can be reused by multiple tests
+        - can accept other fixtures as input
+
+    Limitations:
+        - cannot use @pytest.mark.parametrize
+        - world_size cannot be modified after definition and only one world_size value is accepted
+        - any fixtures used must also be used in the test that uses this fixture (see example below)
+        - return values cannot be returned. Passing values to a DistributedTest
+          object can be achieved using class_tmpdir and writing to file (see example below)
+
+    Usage:
+        - must implement a run(self, ...) method
+        - fixture can be used by making the class name input to a test function
+
+    Example:
+        @pytest.fixture(params=[10,20])
+        def regular_pytest_fixture(request):
+            return request.param
+
+        class distributed_fixture_example(DistributedFixture):
+            world_size = 4
+
+            def run(self, regular_pytest_fixture, class_tmpdir):
+                assert int(os.environ["WORLD_SIZE"]) == self.world_size
+                local_rank = os.environ["LOCAL_RANK"]
+                print(f"Rank {local_rank} with value {regular_pytest_fixture}")
+                with open(os.path.join(class_tmpdir, f"{local_rank}.txt"), "w") as f:
+                    f.write(f"{local_rank},{regular_pytest_fixture}")
+
+        class TestExample(DistributedTest):
+            world_size = 1
+
+            def test(self, distributed_fixture_example, regular_pytest_fixture, class_tmpdir):
+                assert int(os.environ["WORLD_SIZE"]) == self.world_size
+                for rank in range(4):
+                    with open(os.path.join(class_tmpdir, f"{rank}.txt"), "r") as f:
+                        assert f.read() == f"{rank},{regular_pytest_fixture}"
+    """
+
+    is_dist_fixture = True
+
+    # These values are just placeholders so that pytest recognizes this as a fixture
+    _pytestfixturefunction = FixtureFunctionMarker(scope="function", params=None)
+    __name__ = ""
+
+    def __init__(self):
+        assert isinstance(
+            self.world_size, int
+        ), "Only one world size is allowed for distributed fixtures"
+        self.__name__ = type(self).__name__
+        _pytestfixturefunction = FixtureFunctionMarker(
+            scope="function", params=None, name=self.__name__
+        )
+
+
+class DistributedTest(DistributedExec):
+    """
+    Implementation for running pytest with distributed execution.
+
+    There are 2 parameters that can be modified:
+        - world_size: Union[int,List[int]] = 2 -- the number of processes to launch
+        - backend: Literal['nccl','mpi','gloo'] = 'nccl' -- which backend to use
+
+    Features:
+        - able to call pytest.skip() inside tests
+        - works with pytest fixtures, parametrize, mark, etc.
+        - can contain multiple tests (each of which can be parametrized separately)
+        - class methods can be fixtures (usable by tests in this class only)
+        - world_size can be changed for individual tests using @pytest.mark.world_size(world_size)
+        - class_tmpdir is a fixture that can be used to get a tmpdir shared among
+          all tests (including DistributedFixture)
+
+    Usage:
+        - class name must start with "Test"
+        - must implement one or more test*(self, ...) methods
+
+    Example:
+        @pytest.fixture(params=[10,20])
+        def val1(request):
+            return request.param
+
+        @pytest.mark.fast
+        @pytest.mark.parametrize("val2", [30,40])
+        class TestExample(DistributedTest):
+            world_size = 2
+
+            @pytest.fixture(params=[50,60])
+            def val3(self, request):
+                return request.param
+
+            def test_1(self, val1, val2, str1="hello world"):
+                assert int(os.environ["WORLD_SIZE"]) == self.world_size
+                assert all(val1, val2, str1)
+
+            @pytest.mark.world_size(1)
+            @pytest.mark.parametrize("val4", [70,80])
+            def test_2(self, val1, val2, val3, val4):
+                assert int(os.environ["WORLD_SIZE"]) == 1
+                assert all(val1, val2, val3, val4)
+    """
+
+    is_dist_test = True
+
+    # Temporary directory that is shared among test methods in a class
+    @pytest.fixture(autouse=True, scope="class")
+    def class_tmpdir(self, tmpdir_factory):
+        fn = tmpdir_factory.mktemp(self.__class__.__name__)
+        return fn
+
+    def run(self, **fixture_kwargs):
+        self._current_test(**fixture_kwargs)
+
+    def __call__(self, request):
+        self._current_test = self._get_current_test_func(request)
+        self._fixture_kwargs = self._get_fixture_kwargs(request, self._current_test)
+
+        if not torch.cuda.is_available():
+            pytest.skip("only supported in accelerator environments.")
+
+        # Catch world_size override pytest mark
+        for mark in getattr(request.function, "pytestmark", []):
+            if mark.name == "world_size":
+                world_size = mark.args[0]
+                break
+        else:
+            world_size = self.world_size
+
+        if isinstance(world_size, int):
+            world_size = [world_size]
+        for procs in world_size:
+            self._launch_procs(procs)
+            time.sleep(0.5)
+
+    def _get_current_test_func(self, request):
+        # DistributedTest subclasses may have multiple test methods
+        func_name = request.function.__name__
+        return getattr(self, func_name)
+
+
+def create_testconfig(path: str):
+    with open(path) as f:
+        raw_data = json.load(f)
+    
+    return {k: [tuple(s.values()) if len(s) > 1 else tuple(s.values())[0] for s in v] for k, v in raw_data.items()}
\ No newline at end of file
diff --git a/tests/ut/__init__.py b/tests/ut/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/tests/ut/mock/test_mock.py b/tests/ut/mock/test_mock.py
new file mode 100644
index 0000000000000000000000000000000000000000..06f1561d0c3922dd04eb78c349accdeb9a717ef6
--- /dev/null
+++ b/tests/ut/mock/test_mock.py
@@ -0,0 +1,25 @@
+# coding=utf-8
+# Copyright (c) 2025, HUAWEI CORPORATION. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""Just an initialize test"""
+
+import pytest  # Just try can import or not
+from tests.test_tools.dist_test import DistributedTest
+
+
+class TestMock(DistributedTest):
+    world_size = 1
+
+    def test_mock_op(self):
+        assert 1 + 1 == 2, "Failed !"