【问题标题】:"Unexpected end of JSON input" while doing mochawesome-merge执行 mochawesome-merge 时出现“JSON 输入意外结束”
【发布时间】:2021-11-15 05:34:44
【问题描述】:

我尝试按照this 帖子中的建议删除命令中的空格。我还尝试按照this 帖子中的建议重新编码 mochawesome.json。但没有工作。

您可以在 gdrive 上找到我的 json 文件 here

当我尝试合并它们时,出现以下错误:

npx mochawesome-merge cypress/reports/test/test/*.json>cypress/reports/test/test/merged_report.json 
Debugger attached.
Debugger attached.
ERROR: Failed to merge reports

SyntaxError: cypress/reports/test/test/merged_report.json: Unexpected end of JSON input
    at JSON.parse (<anonymous>)
    at F:\myproj-testing\node_modules\mochawesome-merge\node_modules\jsonfile\index.js:33:18
    at F:\myproj-testing\node_modules\graceful-fs\graceful-fs.js:123:16
    at FSReqCallback.readFileAfterClose [as oncomplete] (internal/fs/read_file_context.js:63:3)
Waiting for the debugger to disconnect...
Waiting for the debugger to disconnect...

我使用的是 Windows 10。以下是节点相关版本:

>node --version
v14.16.0

> npm --version
Debugger attached.
6.14.11

package.json

{
  "name": "myproj-testing",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1",
    "merge":"mochawesome-merge cypress/reports/*.json>cypress/reports/merged_report.json",
    "generate_mochawesome_report": "marge cypress/reports/merged_report.json --reportDir ./ --inline",
    "final_report": "npm run merge && npm run generate_mochawesome_report",
    "generate_report": "python cypress/utils/merge.py && npm run generate_mochawesome_report"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "dependencies": {
    "cypress": "^8.3.0",
    "cypress-file-upload": "^5.0.8"
  },
  "devDependencies": {
    "mocha": "^9.1.1",
    "mochawesome": "^6.2.2",
    "mochawesome-merge": "^4.2.0"
  }
}

更新

我尝试只运行mochawesome-merge cypress/reports/*.json,它在控制台上打印了合并的 json。所以我尝试先将合并的 json 字符串通过管道传输到.txt 文件,然后将.txt 文件重命名为.json 文件,最后执行marge。奇怪的是它开始工作了......所以这些是我更新的package.json 脚本:

  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1",
    "merge":"mochawesome-merge cypress/reports/*.json>cypress/reports/merged_report.json",
    "mergetotxt":"mochawesome-merge cypress/reports/*.json > cypress/reports/merged_report.txt",

    "generate_mochawesome_report": "marge cypress/reports/merged_report.json --reportDir ./ --inline",

    "final_report": "npm run merge && npm run generate_mochawesome_report",
    "final_report2": "npm run mergetotxt && rename cypress\\reports\\merged_report.txt merged_report.json && npm run generate_mochawesome_report",

    "generate_report": "python cypress/utils/merge.py && npm run generate_mochawesome_report"
  }

注意以下两个新脚本:

"mergetotxt":"mochawesome-merge cypress/reports/*.json > cypress/reports/merged_report.txt",
"final_report2": "npm run mergetotxt && rename cypress\\reports\\merged_report.txt merged_report.json && npm run generate_mochawesome_report",

运行npm run final_report2 会生成所需的报告。

【问题讨论】:

  • 请添加您的package.json
  • 添加了 package.json
  • 能否在&gt;"merge":"mochawesome-merge cypress/reports/*.json &gt; cypress/reports/merged_report.json", 前后添加空格,然后尝试运行npm run merge。单独运行命令。
  • 嗯,最初我只尝试了空格。它没有用,所以我尝试按照this 帖子中的建议删除空格。我也刚试了一次。没有运气。顺便说一句,我尝试只运行mochawesome-merge cypress/reports/*.json,它会在控制台上打印合并的 json。因此,我尝试先将合并的 json 字符串通过管道传输到 .txt 文件,然后将 .txt 文件重命名为 .json 文件,最后执行 marge。奇怪的是它开始工作了...打算将此添加到帖子中
  • 虽然这里的很多信息似乎与错误实际上并不相关:错误是关于来自特定文件的不完整 JSON:显示 npx mochawesome-merge cypress/reports/test/test/*.json 的输出在您的系统而不将其定向到文件中,以确保它不包含有用的标准输出控制台日志之类的内容,例如“开始运行...”或“合并完成...”等。

标签: javascript automated-tests mocha.js cypress mochawesome


【解决方案1】:

问题是这一行:

"merge":"mochawesome-merge cypress/reports/*.json>cypress/reports/merged_report.json"

您不能为结果 json 使用路径。

"merge":"mochawesome-merge cypress/reports/*.json > merged_report.json"

应该工作

【讨论】:

    【解决方案2】:

    请试试这个“合并报告”:“mochawesome-merge cypress/reports/*.json > merge_report.txt > merge_report.json”,

    这对我有用。

    【讨论】:

      【解决方案3】:
      "merge":"mochawesome-merge cypress/reports/*.json>cypress/reports/output.json",
      "generate_mochawesome_report": "marge cypress/reports/output.json --reportDir ./ --inline",
      "final_report": "npm run merge && npm run generate_mochawesome_report"
      

      试试这个方法,应该可以的...

      【讨论】:

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