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调试

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本指南介绍如何使用 Vitest 调试 Workers 测试。此功能在 @cloudflare/vitest-pool-workers v0.7.5 或更高版本中可用。

使用 Vitest 打开 inspector

要开始调试,请使用以下命令运行 Vitest,并将调试器附加到端口 9229

vitest --inspect --no-file-parallelism

自定义 inspector 端口

默认情况下,inspector 会在端口 9229 上打开。如果你需要使用其他端口(例如 3456),可以运行以下命令:

vitest --inspect=3456 --no-file-parallelism

或者,你可以在 Vitest 配置文件中定义:

import { cloudflareTest } from "@cloudflare/vitest-pool-workers";
import { defineConfig } from "vitest/config";

export default defineConfig({
	plugins: [
		cloudflareTest({
			// ...
		}),
	],
	test: {
		inspector: {
			port: 3456,
		},
	},
});

配置 VS Code 使用断点

要在 Worker 测试中设置 VS Code 断点调试,请创建包含以下配置的 .vscode/launch.json 文件:

{
	"configurations": [
		{
			"type": "node",
			"request": "launch",
			"name": "Open inspector with Vitest",
			"program": "${workspaceRoot}/node_modules/vitest/vitest.mjs",
			"console": "integratedTerminal",
			"args": ["--inspect=9229", "--no-file-parallelism"]
		},
		{
			"name": "Attach to Workers Runtime",
			"type": "node",
			"request": "attach",
			"port": 9229,
			"cwd": "/",
			"resolveSourceMapLocations": null,
			"attachExistingChildren": false,
			"autoAttachChildProcesses": false
		}
	],
	"compounds": [
		{
			"name": "Debug Workers tests",
			"configurations": [
				"Open inspector with Vitest",
				"Attach to Workers Runtime"
			],
			"stopAll": true
		}
	]
}

Run & Debug(运行和调试) 面板顶部选择 Debug Workers tests(调试 Workers 测试),以使用 Vitest 打开 inspector 并将调试器附加到 Workers 运行时。然后你可以在测试文件中添加断点并开始调试。

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