build(deps-dev): unpin pytest-docker

* fix docker fixtures and unpin pytest-docker
* git_server: mount volume to different /custom-cont-init.d

---------
Co-authored-by: Saugat Pachhai (सौगात) <[email protected]>

dvc/testing/fixtures.py

@@ -26,8 +26,6 @@ __all__ = [
     "workspace",
     "make_workspace",
     "local_workspace",
-    "docker",
-    "docker_compose",
     "docker_compose_project_name",
     "docker_services",
 ]
@@ -215,48 +213,34 @@ def local_workspace(make_workspace):
     return make_workspace("workspace", typ="local")
 
 
-@pytest.fixture(scope="session")
-def docker():
-    # See https://travis-ci.community/t/docker-linux-containers-on-windows/301
-    if os.environ.get("CI") and os.name == "nt":
-        pytest.skip("disabled for Windows on Github Actions")
-
-    try:
-        subprocess.check_output("docker ps", shell=True)
-    except (subprocess.CalledProcessError, OSError):
-        pytest.skip("no docker installed")
-
-
-@pytest.fixture(scope="session")
-def docker_compose(docker):  # noqa: ARG001
-    try:
-        subprocess.check_output("docker-compose version", shell=True)
-    except (subprocess.CalledProcessError, OSError):
-        pytest.skip("no docker-compose installed")
-
-
 @pytest.fixture(scope="session")
 def docker_compose_project_name():
     return "pytest-dvc-test"
 
 
 @pytest.fixture(scope="session")
-def docker_services(docker_compose_file, docker_compose_project_name, tmp_path_factory):
-    # overriding `docker_services` fixture from `pytest_docker` plugin to
-    # only launch docker images once.
+def docker_services(request, tmp_path_factory):
+    if os.environ.get("CI") and os.name == "nt":
+        pytest.skip("disabled for Windows on CI")
+
+    try:
+        subprocess.check_output("docker ps", stderr=subprocess.STDOUT, shell=True)
+    except subprocess.CalledProcessError as err:
+        out = (err.output or b"").decode("utf-8")
+        pytest.skip(f"docker is not installed or the daemon is not running: {out}")
+
+    try:
+        cmd = "docker-compose version"
+        subprocess.check_output(cmd, stderr=subprocess.STDOUT, shell=True)
+    except subprocess.CalledProcessError as err:
+        out = (err.output or b"").decode("utf-8")
+        pytest.skip(f"docker-compose is not installed: {out}")
 
     from filelock import FileLock
 
-    # pylint: disable-next=import-error
-    from pytest_docker.plugin import DockerComposeExecutor, Services
-
-    executor = DockerComposeExecutor(docker_compose_file, docker_compose_project_name)
-
     # making sure we don't accidentally launch docker-compose in parallel,
     # as it might result in network conflicts. Inspired by:
-    # https://github.com/pytest-dev/pytest-xdist#making-session-scoped-fixtures-execute-only-once
-    lockfile = tmp_path_factory.getbasetemp().parent / "docker-compose.lock"
-    with FileLock(str(lockfile)):  # pylint:disable=abstract-class-instantiated
-        executor.execute("up --build -d")
-
-    return Services(executor)
+    # https://pytest-xdist.readthedocs.io/en/stable/how-to.html#making-session-scoped-fixtures-execute-only-once
+    root = tmp_path_factory.getbasetemp().parent
+    with FileLock(os.fspath(root / "docker-compose.lock")):
+        yield request.getfixturevalue("docker_services")

pyproject.toml

@@ -97,12 +97,12 @@ tests = [
     "flaky",
     "pytest<8,>=7",
     "pytest-cov",
-    "pytest-docker==0.13",
+    "pytest-docker",
     "pytest-lazy-fixture",
     "pytest-mock",
     "pytest-test-utils",
     "pytest-timeout>=2",
-    "pytest-xdist>=3.1",
+    "pytest-xdist>=3",
     'pywin32>=225; sys_platform == "win32"', # optional test dependency
 ]
 webdav = ["dvc-webdav==2.19.1"]

tests/docker-compose.yml

@@ -10,4 +10,4 @@ services:
       - 2222
     volumes:
       - ./remotes/user.key.pub:/tmp/key
-      - ./remotes/git-init:/config/custom-cont-init.d
+      - ./remotes/git-init:/custom-cont-init.d

tests/remotes/git_server.py

@@ -9,11 +9,12 @@ class GitSSH(SSH):
 
 
 @pytest.fixture
-def git_server(test_config, docker_compose, docker_services):
+def git_server(request, test_config):
     import asyncssh
     from sshfs import SSHFileSystem
 
     test_config.requires("ssh")
+    docker_services = request.getfixturevalue("docker_services")
     conn_info = {
         "host": "127.0.0.1",
         "port": docker_services.port_for("git-server", 2222),