zhou
febcd90a31
1. 将Graph类改为frozen dataclass简化实现 2. 移除executors.py中的内置策略校验逻辑 3. 使用typing.get_args替代直接访问Strategy.__args__ 4. 清理测试文件中冗余的无效参数测试用例 5. 统一替换测试中未使用的px.run调用返回值 6. 在pyproject.toml中添加pytest slow标记配置
638 lines
23 KiB
Python
638 lines
23 KiB
Python
"""Tests for CliRunner: command dispatch, argument parsing, exit codes."""
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from __future__ import annotations
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import sys
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from typing import Any
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from unittest.mock import patch
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import pytest
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import pyflowx as px
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from pyflowx import CliExitCode
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from pyflowx.errors import TaskFailedError
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# 跨平台的 echo 命令
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if sys.platform == "win32":
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ECHO_CMD = ["cmd", "/c", "echo"]
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else:
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ECHO_CMD = ["echo"]
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# ---------------------------------------------------------------------- #
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# 辅助工厂
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# ---------------------------------------------------------------------- #
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def _echo_graph(name: str = "echo_task", msg: str = "hello") -> px.Graph:
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"""构造一个单任务 echo 图, 用于执行成功场景."""
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return px.Graph.from_specs([px.TaskSpec(name, cmd=[*ECHO_CMD, msg])])
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def _failing_graph() -> px.Graph:
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"""构造一个必定失败的单任务图."""
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return px.Graph.from_specs(
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[
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px.TaskSpec(
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"fail",
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cmd=["python", "-c", "import sys; sys.exit(1)"],
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)
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]
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)
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def _multi_task_graph() -> px.Graph:
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"""构造一个带依赖的多任务图."""
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return px.Graph.from_specs(
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[
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px.TaskSpec("a", cmd=[*ECHO_CMD, "a"]),
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px.TaskSpec("b", cmd=[*ECHO_CMD, "b"], depends_on=("a",)),
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]
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)
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# ---------------------------------------------------------------------- #
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# 构造与校验
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# ---------------------------------------------------------------------- #
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class TestCliRunnerConstruction:
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"""测试 CliRunner 的构造与参数校验."""
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def test_requires_at_least_one_command(self) -> None:
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"""没有命令时应抛出 ValueError."""
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with pytest.raises(ValueError, match="至少需要一个命令"):
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_ = px.CliRunner()
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def test_accepts_single_graph(self) -> None:
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"""单个命令应正常构造."""
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runner = px.CliRunner(graphs={"clean": _echo_graph()})
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assert runner.commands == ["clean"]
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def test_accepts_multiple_graphs(self) -> None:
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"""多个命令应按插入顺序保留."""
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runner = px.CliRunner(
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graphs={
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"clean": _echo_graph("c", "clean"),
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"build": _echo_graph("b", "build"),
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"test": _echo_graph("t", "test"),
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}
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)
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assert runner.commands == ["clean", "build", "test"]
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def test_default_strategy_is_sequential(self) -> None:
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"""默认策略应为 Strategy.SEQUENTIAL."""
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runner = px.CliRunner({"clean": _echo_graph()})
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assert runner.strategy == "sequential"
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def test_custom_strategy_string(self) -> None:
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"""应支持通过字符串指定策略."""
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runner = px.CliRunner({"clean": _echo_graph()}, strategy="thread")
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assert runner.strategy == "thread"
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def test_custom_strategy_enum(self) -> None:
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"""应支持通过 Strategy 枚举指定策略."""
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runner = px.CliRunner({"clean": _echo_graph()}, strategy="async")
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assert runner.strategy == "async"
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def test_default_verbose_is_true(self) -> None:
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"""默认 verbose 应为 True."""
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runner = px.CliRunner({"clean": _echo_graph()})
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assert runner.verbose is True
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def test_custom_verbose_false(self) -> None:
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"""应支持关闭 verbose."""
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runner = px.CliRunner({"clean": _echo_graph()}, verbose=False)
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assert runner.verbose is False
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def test_default_description_is_empty(self) -> None:
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"""默认描述应为空字符串."""
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runner = px.CliRunner({"clean": _echo_graph()})
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assert runner.description == ""
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def test_custom_description(self) -> None:
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"""应支持自定义描述."""
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runner = px.CliRunner({"clean": _echo_graph()}, description="My CLI")
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assert runner.description == "My CLI"
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# ---------------------------------------------------------------------- #
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# 属性与内省
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# ---------------------------------------------------------------------- #
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class TestCliRunnerProperties:
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"""测试 CliRunner 的属性访问."""
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def test_commands_returns_list(self) -> None:
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"""commands 应返回列表."""
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runner = px.CliRunner({"a": _echo_graph(), "b": _echo_graph()})
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assert isinstance(runner.commands, list)
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def test_graphs_contains_original_graphs(self) -> None:
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"""graphs 应包含原始 Graph 实例."""
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g = _echo_graph()
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runner = px.CliRunner({"cmd": g})
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assert runner.graphs["cmd"] is g
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# ---------------------------------------------------------------------- #
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# 参数解析
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# ---------------------------------------------------------------------- #
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class TestCliRunnerParser:
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"""测试参数解析器."""
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def test_create_parser_returns_argument_parser(self) -> None:
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"""create_parser 应返回 ArgumentParser."""
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from argparse import ArgumentParser
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runner = px.CliRunner({"clean": _echo_graph()})
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parser = runner.create_parser()
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assert isinstance(parser, ArgumentParser)
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def test_parser_has_command_argument(self) -> None:
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"""解析器应有 command 位置参数."""
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runner = px.CliRunner({"clean": _echo_graph()})
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parser = runner.create_parser()
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parsed = parser.parse_args(["clean"])
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assert parsed.command == "clean"
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def test_parser_command_is_optional(self) -> None:
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"""command 应为可选参数."""
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runner = px.CliRunner({"clean": _echo_graph()})
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parser = runner.create_parser()
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parsed = parser.parse_args([])
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assert parsed.command is None
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def test_parser_has_strategy_option(self) -> None:
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"""解析器应有 --strategy 选项."""
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runner = px.CliRunner({"clean": _echo_graph()})
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parser = runner.create_parser()
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parsed = parser.parse_args(["clean", "--strategy", "thread"])
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assert parsed.strategy == "thread"
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def test_parser_strategy_default(self) -> None:
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"""--strategy 默认值应与构造时一致."""
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runner = px.CliRunner({"clean": _echo_graph()}, "async")
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parser = runner.create_parser()
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parsed = parser.parse_args(["clean"])
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assert parsed.strategy == "sequential"
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def test_parser_has_dry_run_flag(self) -> None:
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"""解析器应有 --dry-run 标志."""
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runner = px.CliRunner({"clean": _echo_graph()})
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parser = runner.create_parser()
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parsed = parser.parse_args(["clean", "--dry-run"])
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assert parsed.dry_run is True
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def test_parser_dry_run_default_false(self) -> None:
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"""--dry-run 默认为 False."""
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runner = px.CliRunner({"clean": _echo_graph()})
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parser = runner.create_parser()
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parsed = parser.parse_args(["clean"])
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assert parsed.dry_run is False
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def test_parser_has_list_flag(self) -> None:
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"""解析器应有 --list 标志."""
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runner = px.CliRunner({"clean": _echo_graph()})
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parser = runner.create_parser()
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parsed = parser.parse_args(["--list"])
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assert parsed.list is True
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def test_parser_has_quiet_flag(self) -> None:
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"""解析器应有 --quiet 标志."""
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runner = px.CliRunner({"clean": _echo_graph()})
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parser = runner.create_parser()
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parsed = parser.parse_args(["clean", "--quiet"])
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assert parsed.quiet is True
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def test_parser_quiet_default_false(self) -> None:
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"""--quiet 默认为 False."""
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runner = px.CliRunner({"clean": _echo_graph()})
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parser = runner.create_parser()
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parsed = parser.parse_args(["clean"])
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assert parsed.quiet is False
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def test_format_commands_help_contains_all_commands(self) -> None:
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"""帮助文本应包含所有命令."""
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runner = px.CliRunner(
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{"clean": _echo_graph("c", "clean"), "build": _echo_graph("b", "build")},
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)
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help_text = runner._format_commands_help()
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assert "clean" in help_text
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assert "build" in help_text
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assert "可用命令" in help_text
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# ---------------------------------------------------------------------- #
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# 执行: 成功路径
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# ---------------------------------------------------------------------- #
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class TestCliRunnerRunSuccess:
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"""测试 CliRunner.run 的成功执行路径."""
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def test_run_valid_command_returns_zero(self) -> None:
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"""有效命令执行成功应返回 0."""
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runner = px.CliRunner({"clean": _echo_graph()})
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exit_code = runner.run(["clean"])
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assert exit_code == CliExitCode.SUCCESS.value
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def test_run_executes_correct_graph(self) -> None:
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"""应执行用户指定的命令对应的图."""
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executed: list[str] = []
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def track_a() -> None:
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executed.append("a")
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def track_b() -> None:
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executed.append("b")
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runner = px.CliRunner(
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{
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"a": px.Graph.from_specs([px.TaskSpec("a", track_a)]),
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"b": px.Graph.from_specs([px.TaskSpec("b", track_b)]),
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}
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)
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_ = runner.run(["b"])
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assert executed == ["b"]
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def test_run_multi_task_graph(self) -> None:
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"""应能执行带依赖的多任务图."""
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runner = px.CliRunner({"multi": _multi_task_graph()})
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exit_code = runner.run(["multi"])
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assert exit_code == CliExitCode.SUCCESS.value
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def test_run_with_strategy_override(self) -> None:
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"""应支持通过 --strategy 覆盖默认策略."""
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runner = px.CliRunner({"echo": _echo_graph()})
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exit_code = runner.run(["echo", "--strategy", "thread"])
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assert exit_code == CliExitCode.SUCCESS.value
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def test_run_with_dry_run(self, capsys: pytest.CaptureFixture[str]) -> None:
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"""--dry-run 应只打印计划不执行."""
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runner = px.CliRunner({"echo": _echo_graph()})
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exit_code = runner.run(["echo", "--dry-run"])
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assert exit_code == CliExitCode.SUCCESS.value
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captured = capsys.readouterr()
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assert "Dry run" in captured.out
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# ---------------------------------------------------------------------- #
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# 执行: verbose 模式
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# ---------------------------------------------------------------------- #
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class TestCliRunnerVerbose:
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"""测试 verbose 模式."""
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def test_verbose_default_prints_lifecycle(
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self, capsys: pytest.CaptureFixture[str]
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) -> None:
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"""默认 verbose=True 应打印任务生命周期."""
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runner = px.CliRunner({"echo": _echo_graph()})
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_ = runner.run(["echo"])
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captured = capsys.readouterr()
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# verbose 模式下应打印任务生命周期
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assert "[verbose]" in captured.out
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def test_quiet_flag_disables_verbose(
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self, capsys: pytest.CaptureFixture[str]
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) -> None:
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"""--quiet 应关闭 verbose 输出."""
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runner = px.CliRunner({"echo": _echo_graph()})
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_ = runner.run(["echo", "--quiet"])
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captured = capsys.readouterr()
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# quiet 模式下不应有 [verbose] 前缀的输出
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assert "[verbose]" not in captured.out
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def test_verbose_false_constructor_disables_verbose(
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self, capsys: pytest.CaptureFixture[str]
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) -> None:
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"""构造时 verbose=False 应关闭 verbose 输出."""
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runner = px.CliRunner({"echo": _echo_graph()}, verbose=False)
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_ = runner.run(["echo"])
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captured = capsys.readouterr()
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assert "[verbose]" not in captured.out
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def test_verbose_prints_command_for_cmd_task(
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self, capsys: pytest.CaptureFixture[str]
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) -> None:
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"""verbose 模式下 cmd 任务应打印执行的命令."""
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runner = px.CliRunner({"echo": _echo_graph(msg="verbose-test")})
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_ = runner.run(["echo"])
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captured = capsys.readouterr()
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# 应打印执行的命令
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assert "执行命令" in captured.out or "执行 Shell" in captured.out
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# 应打印返回码
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assert "返回码" in captured.out
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def test_verbose_prints_success_lifecycle(
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self, capsys: pytest.CaptureFixture[str]
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) -> None:
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"""verbose 模式下成功任务应打印成功信息."""
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runner = px.CliRunner({"echo": _echo_graph()})
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_ = runner.run(["echo"])
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captured = capsys.readouterr()
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assert "成功" in captured.out
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def test_verbose_prints_skip_lifecycle(
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self, capsys: pytest.CaptureFixture[str]
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) -> None:
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"""verbose 模式下跳过的任务应打印跳过信息."""
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graph = px.Graph.from_specs(
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[
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px.TaskSpec(
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"skip_me",
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cmd=[*ECHO_CMD, "skip"],
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conditions=(lambda: False,),
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),
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]
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)
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runner = px.CliRunner({"skip": graph})
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_ = runner.run(["skip"])
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captured = capsys.readouterr()
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assert "跳过" in captured.out
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def test_verbose_prints_failure_lifecycle(
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self, capsys: pytest.CaptureFixture[str]
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) -> None:
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"""verbose 模式下失败任务应打印失败信息."""
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runner = px.CliRunner({"fail": _failing_graph()})
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_ = runner.run(["fail"])
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captured = capsys.readouterr()
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# 失败信息可能出现在 stdout (verbose) 或 stderr (PyFlowXError)
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combined = captured.out + captured.err
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assert "失败" in combined or "错误" in combined
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# ---------------------------------------------------------------------- #
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# 执行: 失败路径
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# ---------------------------------------------------------------------- #
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class TestCliRunnerRunFailure:
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"""测试 CliRunner.run 的失败执行路径."""
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def test_run_unknown_command_returns_failure(
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self, capsys: pytest.CaptureFixture[str]
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) -> None:
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"""未知命令应返回 1 并打印错误."""
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runner = px.CliRunner({"clean": _echo_graph()})
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exit_code = runner.run(["unknown"])
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assert exit_code == CliExitCode.FAILURE.value
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captured = capsys.readouterr()
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assert "未知命令" in captured.err
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assert "clean" in captured.err
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def test_run_no_command_returns_failure(
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self, capsys: pytest.CaptureFixture[str]
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) -> None:
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"""无命令时应返回 1 并打印帮助."""
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runner = px.CliRunner({"clean": _echo_graph()})
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exit_code = runner.run([])
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assert exit_code == CliExitCode.FAILURE.value
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captured = capsys.readouterr()
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assert "可用命令" in captured.out or "可用命令" in captured.err
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def test_run_failing_task_returns_failure(self) -> None:
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"""任务失败时应返回 1."""
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runner = px.CliRunner({"fail": _failing_graph()})
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exit_code = runner.run(["fail"])
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assert exit_code == CliExitCode.FAILURE.value
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def test_run_failing_task_prints_error(
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self, capsys: pytest.CaptureFixture[str]
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) -> None:
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"""任务失败时应打印错误信息."""
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runner = px.CliRunner({"fail": _failing_graph()})
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_ = runner.run(["fail"])
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captured = capsys.readouterr()
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# PyFlowXError 信息应输出到 stderr
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assert "错误" in captured.err or "失败" in captured.err
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# ---------------------------------------------------------------------- #
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# 执行: --list 选项
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# ---------------------------------------------------------------------- #
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class TestCliRunnerList:
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"""测试 --list 选项."""
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def test_list_returns_success(self) -> None:
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"""--list 应返回 0."""
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runner = px.CliRunner({"clean": _echo_graph(), "build": _echo_graph()})
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exit_code = runner.run(["--list"])
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assert exit_code == CliExitCode.SUCCESS.value
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def test_list_prints_all_commands(self, capsys: pytest.CaptureFixture[str]) -> None:
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"""--list 应打印所有命令."""
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runner = px.CliRunner(
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{
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"clean": _echo_graph("c", "clean"),
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"build": _echo_graph("b", "build"),
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"test": _echo_graph("t", "test"),
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}
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)
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_ = runner.run(["--list"])
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captured = capsys.readouterr()
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assert "clean" in captured.out
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assert "build" in captured.out
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assert "test" in captured.out
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def test_list_does_not_execute_any_graph(self) -> None:
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"""--list 不应执行任何图."""
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executed: list[str] = []
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def track() -> None:
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executed.append("ran")
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runner = px.CliRunner({"a": px.Graph.from_specs([px.TaskSpec("a", track)])})
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_ = runner.run(["--list"])
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assert executed == []
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# ---------------------------------------------------------------------- #
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# 错误处理
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# ---------------------------------------------------------------------- #
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class TestCliRunnerErrorHandling:
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"""测试错误处理."""
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def test_keyboard_interrupt_returns_130(
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self, capsys: pytest.CaptureFixture[str]
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) -> None:
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"""KeyboardInterrupt 应返回 130."""
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runner = px.CliRunner({"echo": _echo_graph()})
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def raise_interrupt(*_args: Any, **_kwargs: Any) -> None:
|
|
raise KeyboardInterrupt
|
|
|
|
with patch("pyflowx.runner.run", side_effect=raise_interrupt):
|
|
exit_code = runner.run(["echo"])
|
|
assert exit_code == CliExitCode.INTERRUPTED.value
|
|
captured = capsys.readouterr()
|
|
assert "取消" in captured.err
|
|
|
|
def test_pyflowx_error_returns_failure(
|
|
self, capsys: pytest.CaptureFixture[str]
|
|
) -> None:
|
|
"""PyFlowXError 应返回 1."""
|
|
runner = px.CliRunner({"echo": _echo_graph()})
|
|
|
|
def raise_error(*_args: Any, **_kwargs: Any) -> None:
|
|
raise TaskFailedError("echo", RuntimeError("boom"), 1)
|
|
|
|
with patch("pyflowx.runner.run", side_effect=raise_error):
|
|
exit_code = runner.run(["echo"])
|
|
assert exit_code == CliExitCode.FAILURE.value
|
|
captured = capsys.readouterr()
|
|
assert "错误" in captured.err
|
|
|
|
def test_generic_exception_propagates(self) -> None:
|
|
"""非 PyFlowXError 的异常应向上传播."""
|
|
|
|
class CustomError(Exception):
|
|
pass
|
|
|
|
runner = px.CliRunner({"echo": _echo_graph()})
|
|
|
|
def raise_custom(*_args: Any, **_kwargs: Any) -> None:
|
|
raise CustomError("unexpected")
|
|
|
|
with patch("pyflowx.runner.run", side_effect=raise_custom), pytest.raises(
|
|
CustomError
|
|
):
|
|
_ = runner.run(["echo"])
|
|
|
|
|
|
# ---------------------------------------------------------------------- #
|
|
# run_cli
|
|
# ---------------------------------------------------------------------- #
|
|
class TestCliRunnerRunCli:
|
|
"""测试 run_cli 方法."""
|
|
|
|
def test_run_cli_calls_sys_exit(self) -> None:
|
|
"""run_cli 应调用 sys.exit."""
|
|
runner = px.CliRunner({"echo": _echo_graph()})
|
|
with pytest.raises(SystemExit) as exc_info:
|
|
runner.run_cli(["echo"])
|
|
assert exc_info.value.code == CliExitCode.SUCCESS.value
|
|
|
|
def test_run_cli_exit_code_on_failure(self) -> None:
|
|
"""run_cli 失败时应以非零码退出."""
|
|
runner = px.CliRunner({"fail": _failing_graph()})
|
|
with pytest.raises(SystemExit) as exc_info:
|
|
runner.run_cli(["fail"])
|
|
assert exc_info.value.code == CliExitCode.FAILURE.value
|
|
|
|
def test_run_cli_no_args_uses_sys_argv(
|
|
self, monkeypatch: pytest.MonkeyPatch
|
|
) -> None:
|
|
"""run_cli 无参数时应使用 sys.argv."""
|
|
monkeypatch.setattr(sys, "argv", ["pymake", "echo"])
|
|
runner = px.CliRunner({"echo": _echo_graph()})
|
|
with pytest.raises(SystemExit) as exc_info:
|
|
runner.run_cli()
|
|
assert exc_info.value.code == CliExitCode.SUCCESS.value
|
|
|
|
|
|
# ---------------------------------------------------------------------- #
|
|
# 退出码枚举
|
|
# ---------------------------------------------------------------------- #
|
|
class TestCliExitCode:
|
|
"""测试 CliExitCode 枚举."""
|
|
|
|
def test_success_is_zero(self) -> None:
|
|
assert CliExitCode.SUCCESS.value == 0
|
|
|
|
def test_failure_is_one(self) -> None:
|
|
assert CliExitCode.FAILURE.value == 1
|
|
|
|
def test_interrupted_is_130(self) -> None:
|
|
assert CliExitCode.INTERRUPTED.value == 130
|
|
|
|
def test_exit_codes_are_distinct(self) -> None:
|
|
values = {e.value for e in CliExitCode}
|
|
assert len(values) == 3
|
|
|
|
|
|
# ---------------------------------------------------------------------- #
|
|
# 集成测试
|
|
# ---------------------------------------------------------------------- #
|
|
class TestCliRunnerIntegration:
|
|
"""集成测试: CliRunner + Graph + TaskSpec + 条件."""
|
|
|
|
def test_condition_skipped_command_succeeds(self) -> None:
|
|
"""条件不满足时任务跳过, 整体仍成功."""
|
|
graph = px.Graph.from_specs(
|
|
[
|
|
px.TaskSpec(
|
|
"skip_me",
|
|
cmd=[*ECHO_CMD, "should not run"],
|
|
conditions=(lambda: False,),
|
|
),
|
|
]
|
|
)
|
|
runner = px.CliRunner({"skip": graph})
|
|
exit_code = runner.run(["skip"])
|
|
assert exit_code == CliExitCode.SUCCESS.value
|
|
|
|
def test_condition_met_command_succeeds(self) -> None:
|
|
"""条件满足时任务执行, 整体成功."""
|
|
graph = px.Graph.from_specs(
|
|
[
|
|
px.TaskSpec(
|
|
"run_me",
|
|
cmd=[*ECHO_CMD, "should run"],
|
|
conditions=(lambda: True,),
|
|
),
|
|
]
|
|
)
|
|
runner = px.CliRunner({"run": graph})
|
|
exit_code = runner.run(["run"])
|
|
assert exit_code == CliExitCode.SUCCESS.value
|
|
|
|
def test_diamond_dependency_graph(self) -> None:
|
|
"""菱形依赖图应正确执行."""
|
|
order: list[str] = []
|
|
|
|
def make(name: str) -> Any:
|
|
def fn() -> str:
|
|
order.append(name)
|
|
return name
|
|
|
|
return fn
|
|
|
|
graph = px.Graph.from_specs(
|
|
[
|
|
px.TaskSpec("a", make("a")),
|
|
px.TaskSpec("b", make("b"), depends_on=("a",)),
|
|
px.TaskSpec("c", make("c"), depends_on=("a",)),
|
|
px.TaskSpec("d", make("d"), depends_on=("b", "c")),
|
|
]
|
|
)
|
|
runner = px.CliRunner({"diamond": graph})
|
|
exit_code = runner.run(["diamond"])
|
|
assert exit_code == CliExitCode.SUCCESS.value
|
|
assert order == ["a", "b", "c", "d"]
|
|
|
|
def test_mixed_fn_and_cmd_commands(self) -> None:
|
|
"""混合 fn 和 cmd 的命令应都能执行."""
|
|
runner = px.CliRunner(
|
|
{
|
|
"fn_cmd": px.Graph.from_specs(
|
|
[px.TaskSpec("fn", fn=lambda: "fn-result")]
|
|
),
|
|
"cmd_cmd": px.Graph.from_specs(
|
|
[px.TaskSpec("cmd", cmd=[*ECHO_CMD, "cmd-result"])]
|
|
),
|
|
}
|
|
)
|
|
assert runner.run(["fn_cmd"]) == CliExitCode.SUCCESS.value
|
|
assert runner.run(["cmd_cmd"]) == CliExitCode.SUCCESS.value
|
|
|
|
def test_command_with_cwd(self) -> None:
|
|
"""带 cwd 的命令应正确执行."""
|
|
import tempfile
|
|
from pathlib import Path
|
|
|
|
with tempfile.TemporaryDirectory() as tmpdir:
|
|
if sys.platform == "win32":
|
|
ls_cmd = ["cmd", "/c", "dir"]
|
|
else:
|
|
ls_cmd = ["ls"]
|
|
|
|
graph = px.Graph.from_specs(
|
|
[px.TaskSpec("ls", cmd=ls_cmd, cwd=Path(tmpdir))]
|
|
)
|
|
runner = px.CliRunner({"ls": graph})
|
|
exit_code = runner.run(["ls"])
|
|
assert exit_code == CliExitCode.SUCCESS.value
|