tests/tasks/test_python.py

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you 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.

"""Test Task python."""
from pathlib import Path
from unittest.mock import patch

import pytest

from pydolphinscheduler.exceptions import PyDSParamException
from pydolphinscheduler.resources_plugin import Local
from pydolphinscheduler.tasks.python import Python
from pydolphinscheduler.utils import file
from tests.testing.file import delete_file


def foo():  # noqa: D103
    print("hello world.")


@pytest.fixture()
def setup_crt_first(request):
    """Set up and teardown about create file first and then delete it."""
    file_content = request.param.get("file_content")
    file_path = request.param.get("file_path")
    file.write(
        content=file_content,
        to_path=file_path,
    )
    yield
    delete_file(file_path)


@pytest.mark.parametrize(
    "attr, expect",
    [
        (
            {"definition": "print(1)"},
            {
                "rawScript": "print(1)",
                "localParams": [],
                "resourceList": [],
                "dependence": {},
                "waitStartTimeout": {},
                "conditionResult": {"successNode": [""], "failedNode": [""]},
            },
        ),
        (
            {"definition": "def foo():\n    print('I am foo')"},
            {
                "rawScript": "def foo():\n    print('I am foo')\nfoo()",
                "localParams": [],
                "resourceList": [],
                "dependence": {},
                "waitStartTimeout": {},
                "conditionResult": {"successNode": [""], "failedNode": [""]},
            },
        ),
        (
            {"definition": foo},
            {
                "rawScript": 'def foo():  # noqa: D103\n    print("hello world.")\nfoo()',
                "localParams": [],
                "resourceList": [],
                "dependence": {},
                "waitStartTimeout": {},
                "conditionResult": {"successNode": [""], "failedNode": [""]},
            },
        ),
    ],
)
@patch(
    "pydolphinscheduler.core.task.Task.gen_code_and_version",
    return_value=(123, 1),
)
def test_property_task_params(mock_code_version, attr, expect):
    """Test task python property."""
    task = Python("test-python-task-params", **attr)
    assert expect == task.task_params


@pytest.mark.parametrize(
    "script_code",
    [
        123,
        ("print", "hello world"),
    ],
)
@patch(
    "pydolphinscheduler.core.task.Task.gen_code_and_version",
    return_value=(123, 1),
)
def test_python_task_not_support_code(mock_code, script_code):
    """Test python task parameters."""
    name = "not_support_code_type"
    with pytest.raises(
        PyDSParamException, match="Parameter definition do not support .*?"
    ):
        task = Python(name, script_code)
        task.raw_script


@pytest.mark.parametrize(
    "name, script_code, raw",
    [
        ("string_define", 'print("hello world.")', 'print("hello world.")'),
        (
            "function_define",
            foo,
            'def foo():  # noqa: D103\n    print("hello world.")\nfoo()',
        ),
    ],
)
def test_python_get_define(name, script_code, raw):
    """Test task python function get_define."""
    code = 123
    version = 1
    expect_task_params = {
        "resourceList": [],
        "localParams": [],
        "rawScript": raw,
        "dependence": {},
        "conditionResult": {"successNode": [""], "failedNode": [""]},
        "waitStartTimeout": {},
    }
    with patch(
        "pydolphinscheduler.core.task.Task.gen_code_and_version",
        return_value=(code, version),
    ):
        shell = Python(name, script_code)
        assert shell.task_params == expect_task_params


@pytest.mark.parametrize(
    "setup_crt_first",
    [
        {
            "file_path": Path(__file__).parent.joinpath("local_res.py"),
            "file_content": "test local resource",
        }
    ],
    indirect=True,
)
@pytest.mark.parametrize(
    "attr, expect",
    [
        (
            {
                "name": "task_python",
                "definition": "local_res.py",
                "resource_plugin": Local(str(Path(__file__).parent)),
            },
            "test local resource",
        ),
    ],
)
@patch(
    "pydolphinscheduler.core.task.Task.gen_code_and_version",
    return_value=(123, 1),
)
def test_resources_local_python_command_content(
    mock_code_version, attr, expect, setup_crt_first
):
    """Test task Python definition content through the local resource plug-in."""
    python = Python(**attr)
    assert expect == getattr(python, "definition")


@pytest.mark.parametrize(
    "resource_limit",
    [
        {"cpu_quota": 1, "memory_max": 10},
        {"memory_max": 15},
        {},
    ],
)
def test_python_get_define_cpu_and_memory(resource_limit):
    """Test task python function get_define with resource limit."""
    code = 123
    version = 1

    with patch(
        "pydolphinscheduler.core.task.Task.gen_code_and_version",
        return_value=(code, version),
    ):
        python = Python(
            name="task", definition="print('hello world.')", **resource_limit
        )
        assert "cpuQuota" in python.get_define()
        assert "memoryMax" in python.get_define()

        if "cpuQuota" in resource_limit:
            assert python.get_define()["cpuQuota"] == resource_limit.get("cpu_quota")

        if "memoryMax" in resource_limit:
            assert python.get_define()["memoryMax"] == resource_limit.get("memory_max")