diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/common.py b/tests/common.py
new file mode 100644
index 0000000..b485a62
--- /dev/null
+++ b/tests/common.py
@@ -0,0 +1,97 @@
+import ast
+import contextlib
+import os
+import shutil
+import subprocess
+import tempfile
+import textwrap
+from pathlib import Path
+
+ODOO_VENV = "/opt/odoo-venv"
+
+test_addons_dir = Path(__file__).parent / "data" / "addons"
+
+odoo_version_info = tuple(map(int, os.environ["ODOO_VERSION"].split(".")))
+
+odoo_bin = "odoo"
+
+
+@contextlib.contextmanager
+def preserve_odoo_rc():
+    odoo_rc_path = Path(os.environ["ODOO_RC"])
+    odoo_rc = odoo_rc_path.read_bytes()
+    try:
+        yield
+    finally:
+        odoo_rc_path.write_bytes(odoo_rc)
+
+
+@contextlib.contextmanager
+def preserve_odoo_venv():
+    subprocess.check_call(["cp", "-arl", ODOO_VENV, ODOO_VENV + ".org"])
+    try:
+        yield
+    finally:
+        subprocess.check_call(["rm", "-r", ODOO_VENV])
+        subprocess.check_call(["mv", ODOO_VENV + ".org", ODOO_VENV])
+
+
+@contextlib.contextmanager
+def make_addons_dir(test_addons):
+    """Copy test addons to a temporary directory.
+
+    Adjust the addons version to match the Odoo version being tested.
+    Rename __manifest__.py to __openerp__.py for older Odoo versions.
+    Add pyproject.toml.
+    """
+    with tempfile.TemporaryDirectory() as tmpdir:
+        tmppath = Path(tmpdir)
+        for addon_name in test_addons:
+            shutil.copytree(test_addons_dir / addon_name, tmppath / addon_name)
+            # prefix Odoo version
+            manifest_path = tmppath / addon_name / "__manifest__.py"
+            manifest = ast.literal_eval(manifest_path.read_text())
+            manifest["version"] = os.environ["ODOO_VERSION"] + "." + manifest["version"]
+            manifest_path.write_text(repr(manifest))
+            if odoo_version_info < (10, 0):
+                manifest_path.rename(manifest_path.parent / "__openerp__.py")
+            pyproject_toml_path = tmppath / addon_name / "pyproject.toml"
+            pyproject_toml_path.write_text(
+                textwrap.dedent(
+                    """\
+                    [build-system]
+                    requires = ["whool"]
+                    build-backend = "whool.buildapi"
+                    """
+                )
+            )
+        yield tmppath
+
+
+@contextlib.contextmanager
+def install_test_addons(test_addons):
+    with preserve_odoo_rc(), preserve_odoo_venv(), make_addons_dir(
+        test_addons
+    ) as addons_dir:
+        subprocess.check_call(["oca_install_addons"], cwd=addons_dir)
+        yield addons_dir
+
+
+def dropdb():
+    subprocess.check_call(["dropdb", "--if-exists", os.environ["PGDATABASE"]])
+
+
+def did_run_test_module(output, test_module):
+    """Check that a test did run by looking in the Odoo log.
+
+    test_module is the full name of the test (addon_name.tests.test_module).
+    """
+    return "odoo.addons." + test_module in output
+
+
+def make_addon_dist_name(addon_name):
+    odoo_series = int(os.getenv("ODOO_VERSION").partition(".")[0])
+    return "odoo{odoo_series}-addon-{name}".format(
+        name=addon_name,
+        odoo_series=odoo_series if odoo_series < 15 else "",
+    )
diff --git a/tests/data/addons/addon_success/__init__.py b/tests/data/addons/addon_success/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/data/addons/addon_success/__manifest__.py b/tests/data/addons/addon_success/__manifest__.py
new file mode 100644
index 0000000..4aa2671
--- /dev/null
+++ b/tests/data/addons/addon_success/__manifest__.py
@@ -0,0 +1,4 @@
+{
+    "name": "addon with successful test",
+    "version": "1.0.0",
+}
diff --git a/tests/data/addons/addon_success/tests/__init__.py b/tests/data/addons/addon_success/tests/__init__.py
new file mode 100644
index 0000000..6566688
--- /dev/null
+++ b/tests/data/addons/addon_success/tests/__init__.py
@@ -0,0 +1 @@
+from . import test_success
\ No newline at end of file
diff --git a/tests/data/addons/addon_success/tests/test_success.py b/tests/data/addons/addon_success/tests/test_success.py
new file mode 100644
index 0000000..11c05e8
--- /dev/null
+++ b/tests/data/addons/addon_success/tests/test_success.py
@@ -0,0 +1,6 @@
+from odoo.tests.common import TransactionCase
+
+
+class Test(TransactionCase):
+    def test_success(self):
+        pass
diff --git a/tests/data/addons/addon_warning/__init__.py b/tests/data/addons/addon_warning/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/data/addons/addon_warning/__manifest__.py b/tests/data/addons/addon_warning/__manifest__.py
new file mode 100644
index 0000000..e8101e7
--- /dev/null
+++ b/tests/data/addons/addon_warning/__manifest__.py
@@ -0,0 +1,4 @@
+{
+    "name": "addon that generates warnings",
+    "version": "1.0.0",
+}
diff --git a/tests/data/addons/addon_warning/tests/__init__.py b/tests/data/addons/addon_warning/tests/__init__.py
new file mode 100644
index 0000000..cdfa6eb
--- /dev/null
+++ b/tests/data/addons/addon_warning/tests/__init__.py
@@ -0,0 +1 @@
+from . import test_warning
diff --git a/tests/data/addons/addon_warning/tests/test_warning.py b/tests/data/addons/addon_warning/tests/test_warning.py
new file mode 100644
index 0000000..9dafb12
--- /dev/null
+++ b/tests/data/addons/addon_warning/tests/test_warning.py
@@ -0,0 +1,9 @@
+import logging
+from odoo.tests.common import TransactionCase
+
+
+_logger = logging.getLogger(__name__)
+
+class Test(TransactionCase):
+    def test_log_warning(self):
+        _logger.warning("This is a warning")
diff --git a/tests/data/addons/addon_with_deb_dep/__init__.py b/tests/data/addons/addon_with_deb_dep/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/data/addons/addon_with_deb_dep/__manifest__.py b/tests/data/addons/addon_with_deb_dep/__manifest__.py
new file mode 100644
index 0000000..2b1581c
--- /dev/null
+++ b/tests/data/addons/addon_with_deb_dep/__manifest__.py
@@ -0,0 +1,8 @@
+{
+    "name": "addon_with_deb_dep",
+    "summary": "Depends on 'nano' debian dependency.",
+    "version": "1.0.0",
+    "external_dependencies": {
+        "deb": ["nano"],
+    }
+}
diff --git a/tests/data/addons/addon_with_deb_dep2/__init__.py b/tests/data/addons/addon_with_deb_dep2/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/data/addons/addon_with_deb_dep2/__manifest__.py b/tests/data/addons/addon_with_deb_dep2/__manifest__.py
new file mode 100644
index 0000000..ecb9c90
--- /dev/null
+++ b/tests/data/addons/addon_with_deb_dep2/__manifest__.py
@@ -0,0 +1,11 @@
+{
+    "name": "addon_with_deb_dep2",
+    "summary": "Depends on 'curl' debian dependency, and on addon_with_deb_dep.",
+    "version": "1.0.0",
+    "depends": [
+        "addon_with_deb_dep",
+    ],
+    "external_dependencies": {
+        "deb": ["curl"],
+    }
+}
diff --git a/tests/data/addons/uninstallable_addon/__manifest__.py b/tests/data/addons/uninstallable_addon/__manifest__.py
new file mode 100644
index 0000000..b718962
--- /dev/null
+++ b/tests/data/addons/uninstallable_addon/__manifest__.py
@@ -0,0 +1,5 @@
+{
+    "name": "uninstallable_addon",
+    "version": "1.0.0",
+    "installable": False,
+}
diff --git a/tests/docker-compose.yml b/tests/docker-compose.yml
new file mode 100644
index 0000000..4808b47
--- /dev/null
+++ b/tests/docker-compose.yml
@@ -0,0 +1,20 @@
+services:
+  test:
+    image: registry.ethumada.com/odoo/odoo17co:latest
+    # build:
+    #   context: ..
+    #   args:
+    #     codename: jammy
+    #     python_version: "3.10"
+    #     odoo_version: "16.0"
+    volumes:
+      - ..:/mnt/odoo
+    working_dir: /mnt/odoo/tests
+    depends_on:
+      - postgres
+  postgres:
+    image: postgres
+    environment:
+      POSTGRES_USER: odoo
+      POSTGRES_PASSWORD: odoo
+      POSTGRES_DB: odoo
diff --git a/tests/requirements.txt b/tests/requirements.txt
new file mode 100644
index 0000000..b420b44
--- /dev/null
+++ b/tests/requirements.txt
@@ -0,0 +1,2 @@
+# test requirements
+pytest
diff --git a/tests/runtests.sh b/tests/runtests.sh
new file mode 100644
index 0000000..3fcee4c
--- /dev/null
+++ b/tests/runtests.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+set -e
+
+# Run pytest on the tests directory,
+# which is assumed to be mounted somewhere in the docker image.
+
+here=$(dirname $0)
+
+testvenv=/tmp/testvenv 
+/usr/bin/python3 -m venv $testvenv
+$testvenv/bin/pip install -r $here/requirements.txt
+
+export PATH=$here/../bin:$PATH
+
+$testvenv/bin/pytest --color=yes --ignore $here/data $here "$@"
diff --git a/tests/test_addons_path.py b/tests/test_addons_path.py
new file mode 100644
index 0000000..079044e
--- /dev/null
+++ b/tests/test_addons_path.py
@@ -0,0 +1,19 @@
+import os
+import subprocess
+from pathlib import Path
+
+from .common import install_test_addons
+
+
+def test_addons_path():
+    """Test must not fail where there are no installable addons."""
+    assert (
+        Path(os.environ["ODOO_RC"]).read_text()
+        == "[options]\n"
+    )
+    with install_test_addons(["addon_success"]):
+        assert (
+            Path(os.environ["ODOO_RC"]).read_text()
+            == "[options]\naddons_path=/opt/odoo/addons,.\n"
+        )
+        subprocess.check_call(["python", "-c", "import odoo.cli"])
diff --git a/tests/test_checklog.py b/tests/test_checklog.py
new file mode 100644
index 0000000..263f16f
--- /dev/null
+++ b/tests/test_checklog.py
@@ -0,0 +1,26 @@
+import os
+import subprocess
+from .common import install_test_addons, dropdb, did_run_test_module
+
+
+def test_checklog_enabled():
+    """Test addon_warning with checklog enabled."""
+    with install_test_addons(["addon_warning"]) as addons_dir:
+        dropdb()
+        subprocess.check_call(["oca_init_test_database"], cwd=addons_dir)
+        os.environ["OCA_ENABLE_CHECKLOG_ODOO"] = "1"
+        result = subprocess.run(
+            ["oca_run_tests"], cwd=addons_dir, text=True, capture_output=True
+        )
+        os.environ["OCA_ENABLE_CHECKLOG_ODOO"] = ""
+        assert result.returncode == 1 and "Error: Errors detected in log." in result.stderr
+
+def test_checklog_disabled():
+    """Test addon_warning with checklog disabled."""
+    with install_test_addons(["addon_warning"]) as addons_dir:
+        dropdb()
+        subprocess.check_call(["oca_init_test_database"], cwd=addons_dir)
+        result = subprocess.check_output(
+            ["oca_run_tests"], cwd=addons_dir, text=True
+        )
+        assert did_run_test_module(result, "addon_warning.tests.test_warning")
diff --git a/tests/test_list_addons_to_test_as_url_reqs.py b/tests/test_list_addons_to_test_as_url_reqs.py
new file mode 100644
index 0000000..5e7d4c5
--- /dev/null
+++ b/tests/test_list_addons_to_test_as_url_reqs.py
@@ -0,0 +1,58 @@
+import subprocess
+import textwrap
+
+from .common import make_addons_dir, make_addon_dist_name
+
+
+def test_oca_list_addons_to_test_as_url_reqs__basic():
+    """Basic successful test."""
+    with make_addons_dir(
+        ["addon_success", "addon_with_deb_dep", "uninstallable_addon"]
+    ) as addons_dir:
+        result = subprocess.check_output(
+            ["oca_list_addons_to_test_as_url_reqs"], cwd=addons_dir, text=True
+        )
+        assert result == textwrap.dedent(
+            f"""\
+            {make_addon_dist_name('addon_success')} @ {addons_dir.as_uri()}/addon_success
+            {make_addon_dist_name('addon_with_deb_dep')} @ {addons_dir.as_uri()}/addon_with_deb_dep
+            """
+        )
+
+
+def test_oca_list_addons_to_test_as_url_reqs__editable():
+    """Basic successful test with editables."""
+    with make_addons_dir(
+        ["addon_success", "addon_with_deb_dep", "uninstallable_addon"]
+    ) as addons_dir:
+        result = subprocess.check_output(
+            ["oca_list_addons_to_test_as_url_reqs", "--editable"],
+            cwd=addons_dir,
+            text=True,
+        )
+        assert result == textwrap.dedent(
+            f"""\
+            -e {addons_dir.as_uri()}/addon_success#egg={make_addon_dist_name('addon_success')}
+            -e {addons_dir.as_uri()}/addon_with_deb_dep#egg={make_addon_dist_name('addon_with_deb_dep')}
+            """
+        )
+
+
+def test_oca_list_addons_to_test_as_url_reqs__skip_test_requirement():
+    """Basic successful test."""
+    with make_addons_dir(
+        ["addon_success", "addon_with_deb_dep", "uninstallable_addon"]
+    ) as addons_dir:
+        # add URL reference to addon_success
+        addons_dir.joinpath("test-requirements.txt").write_text(
+            f"{make_addon_dist_name('addon_success')} @ git+https://github.com/oca/dummy@refs/pull/123/head"
+        )
+        result = subprocess.check_output(
+            ["oca_list_addons_to_test_as_url_reqs"], cwd=addons_dir, text=True
+        )
+        # addon_success should not be in result because it is already in test-requirements.txt
+        assert result == textwrap.dedent(
+            f"""\
+            {make_addon_dist_name('addon_with_deb_dep')} @ {addons_dir.as_uri()}/addon_with_deb_dep
+            """
+        )
diff --git a/tests/test_list_external_dependencies.py b/tests/test_list_external_dependencies.py
new file mode 100644
index 0000000..6bfef7a
--- /dev/null
+++ b/tests/test_list_external_dependencies.py
@@ -0,0 +1,24 @@
+from pathlib import Path
+import os
+import subprocess
+from .common import make_addons_dir, preserve_odoo_rc
+
+
+def test_list_external_dependencies():
+    with make_addons_dir(["addon_with_deb_dep"]) as addons_dir:
+        res = subprocess.check_output(
+            ["oca_list_external_dependencies", "deb"], cwd=addons_dir
+        )
+        assert res == b"nano\n"
+
+
+def test_list_external_dependencies_transitive():
+    """Test that transitive external dependencies are returned."""
+    with preserve_odoo_rc(), make_addons_dir(
+        ["addon_with_deb_dep"]
+    ) as dep_addons_dir, make_addons_dir(["addon_with_deb_dep2"]) as addons_dir:
+        Path(os.getenv("ODOO_RC")).write_text(f"[options]\naddons_path={dep_addons_dir}\n")
+        res = subprocess.check_output(
+            ["oca_list_external_dependencies", "deb"], cwd=addons_dir
+        )
+        assert res == b"curl\nnano\n"
diff --git a/tests/test_no_addons.py b/tests/test_no_addons.py
new file mode 100644
index 0000000..e7abf99
--- /dev/null
+++ b/tests/test_no_addons.py
@@ -0,0 +1,9 @@
+import subprocess
+from .common import install_test_addons
+
+
+def test_no_addons():
+    """Test must not fail where there are no installable addons."""
+    with install_test_addons(["uninstallable_addon"]) as addons_dir:
+        # no need to initialize test database because tests will not be attempted
+        subprocess.check_call(["oca_run_tests"], cwd=addons_dir)
diff --git a/tests/test_oca_git_push_if_remote_did_not_change.py b/tests/test_oca_git_push_if_remote_did_not_change.py
new file mode 100644
index 0000000..1566ee8
--- /dev/null
+++ b/tests/test_oca_git_push_if_remote_did_not_change.py
@@ -0,0 +1,83 @@
+from pathlib import Path
+import subprocess
+
+import pytest
+
+
+@pytest.fixture(scope="module")
+def repo_dir(tmp_path_factory) -> str:
+    repo_path = tmp_path_factory.mktemp("repo")
+    subprocess.check_call(["git", "init"], cwd=repo_path)
+    subprocess.check_call(
+        ["git", "config", "user.email", "test@example.com"],
+        cwd=repo_path,
+    )
+    subprocess.check_call(
+        ["git", "config", "user.name", "test"],
+        cwd=repo_path,
+    )
+    (repo_path / "README").touch()
+    subprocess.check_call(["git", "add", "."], cwd=repo_path)
+    subprocess.check_call(["git", "commit", "-m", "initial commit"], cwd=repo_path)
+    bare_repo_path = tmp_path_factory.mktemp("bare_repo")
+    subprocess.check_call(
+        ["git", "clone", "--bare", str(repo_path), str(bare_repo_path)]
+    )
+    return str(bare_repo_path)
+
+
+@pytest.fixture()
+def git_clone_path(repo_dir: str, tmp_path) -> Path:
+    clone_path = tmp_path / "clone"
+    subprocess.check_call(
+        ["git", "clone", "--depth=1", "file://" + repo_dir, str(clone_path)]
+    )
+    subprocess.check_call(
+        ["git", "config", "user.email", "test@example.com"],
+        cwd=clone_path,
+    )
+    subprocess.check_call(
+        ["git", "config", "user.name", "test"],
+        cwd=clone_path,
+    )
+    return clone_path
+
+
+def test_no_change(git_clone_path: Path):
+    output = subprocess.check_output(
+        ["oca_git_push_if_remote_did_not_change", "origin"],
+        cwd=git_clone_path,
+        text=True,
+    )
+    assert "No local change to push" in output
+
+
+def test_local_change(git_clone_path: Path):
+    (git_clone_path / "local-change-1").touch()
+    subprocess.check_call(["git", "add", "."], cwd=git_clone_path)
+    subprocess.check_call(["git", "commit", "-m", "local-change-1"], cwd=git_clone_path)
+    output = subprocess.check_output(
+        ["oca_git_push_if_remote_did_not_change", "origin"],
+        cwd=git_clone_path,
+        text=True,
+    )
+    assert "Pushing changes" in output
+
+
+def test_remote_change(git_clone_path: Path):
+    # push a change and reset
+    (git_clone_path / "remote-change").touch()
+    subprocess.check_call(["git", "add", "."], cwd=git_clone_path)
+    subprocess.check_call(["git", "commit", "-m", "remote-change"], cwd=git_clone_path)
+    subprocess.check_call(["git", "push"], cwd=git_clone_path)
+    subprocess.check_call(["git", "reset", "--hard", "HEAD^"], cwd=git_clone_path)
+    # create a local change
+    (git_clone_path / "local-change-2").touch()
+    subprocess.check_call(["git", "add", "."], cwd=git_clone_path)
+    subprocess.check_call(["git", "commit", "-m", "local-change-2"], cwd=git_clone_path)
+    output = subprocess.check_output(
+        ["oca_git_push_if_remote_did_not_change", "origin"],
+        cwd=git_clone_path,
+        text=True,
+    )
+    assert "Remote has evolved since we cloned, not pushing" in output
diff --git a/tests/test_preinstalled.py b/tests/test_preinstalled.py
new file mode 100644
index 0000000..56e6384
--- /dev/null
+++ b/tests/test_preinstalled.py
@@ -0,0 +1,76 @@
+"""Various test that the Dockerfile did what the README promises."""
+
+import os
+import shutil
+import subprocess
+import sys
+from pathlib import Path
+
+import pytest
+
+from .common import odoo_bin, make_addons_dir
+
+
+def test_odoo_bin_in_path():
+    assert shutil.which(odoo_bin)
+
+
+def test_wkhtomtopdf_in_path():
+    assert shutil.which("wkhtmltopdf")
+
+
+def test_python_in_path():
+    assert shutil.which("python")
+    assert Path(shutil.which("python")).parent == Path(shutil.which(odoo_bin)).parent
+
+
+def test_pip_in_path():
+    assert shutil.which("pip")
+    assert Path(shutil.which("pip")).parent == Path(shutil.which(odoo_bin)).parent
+
+
+def test_addons_dir():
+    assert os.environ["ADDONS_DIR"] == "."
+
+
+def test_odoo_rc():
+    odoo_rc = Path(os.environ["ODOO_RC"])
+    assert odoo_rc.exists()
+    assert odoo_rc.read_text() == "[options]\n"
+
+
+def test_openerp_server_rc():
+    assert os.environ["OPENERP_SERVER"] == os.environ["ODOO_RC"]
+
+
+def test_import_odoo():
+    subprocess.check_call(["python", "-c", "import odoo; odoo.addons.__path__"])
+    subprocess.check_call(["python", "-c", "import odoo.cli"])
+
+
+def _target_python_version():
+    version = subprocess.check_output(
+        ["python", "-c", "import platform; print(platform.python_version())"],
+        universal_newlines=True,
+    )
+    major, minor = version.split(".")[:2]
+    return int(major), int(minor)
+
+
+@pytest.mark.skipif(
+    _target_python_version() < (3, 7), reason="Whool requires python3.7 or higher"
+)
+def test_import_odoo_after_addon_install():
+    with make_addons_dir(["addon_success"]) as addons_dir:
+        addon_dir = addons_dir / "addon_success"
+        subprocess.check_call(["git", "init"], cwd=addon_dir)
+        subprocess.check_call(["git", "add", "."], cwd=addon_dir)
+        subprocess.check_call(["git", "config", "user.email", "..."], cwd=addon_dir)
+        subprocess.check_call(
+            ["git", "config", "user.name", "me@example.com"], cwd=addon_dir
+        )
+        subprocess.check_call(["git", "commit", "-m", "..."], cwd=addon_dir)
+        subprocess.check_call(
+            ["python", "-m", "pip", "install", addons_dir / "addon_success"]
+        )
+    subprocess.check_call(["python", "-c", "import odoo.cli"])
diff --git a/tests/test_success.py b/tests/test_success.py
new file mode 100644
index 0000000..d662812
--- /dev/null
+++ b/tests/test_success.py
@@ -0,0 +1,13 @@
+import subprocess
+from .common import install_test_addons, dropdb, did_run_test_module
+
+
+def test_success():
+    """Basic successful test."""
+    with install_test_addons(["addon_success"]) as addons_dir:
+        dropdb()
+        subprocess.check_call(["oca_init_test_database"], cwd=addons_dir)
+        result = subprocess.check_output(
+            ["oca_run_tests"], cwd=addons_dir, text=True
+        )
+        assert did_run_test_module(result, "addon_success.tests.test_success")