launch.json 中的基本配置在 vs 代碼（windows）中運行所有 mocha 測驗。

嘗試添加 --grep 選項時，無法獲得預期的模式匹配行為（即僅運行匹配測驗）。嘗試了各種組合后，我沒有發現任何測驗錯誤，或者運行所有測驗。

注意 - 我可以讓 grep 選項與命令列一起使用（測驗：grep 腳本 - 盡管模式文本是手動輸入的）。

期望 --grep 'CURRENTTEST' 僅在描述中使用此字串運行測驗（即示例中的 1-通過測驗）。這是我從使用 grep 選項運行命令列得到的行為，如下所示； mocha -r ts-node/register -r tsconfig-paths/register "spec/**/*.ts" --grep CURRENTTEST

launch.json 的實際行為如圖所示： Error: No test files found: "C:\\temp\\Min code grep test/spec/**/*.spec.ts --grep 'CURRENTTEST'" 其他一些組合嘗試運行所有測驗（而不是模式匹配測驗）。

嘗試了其他引陣列合；

• 在與測驗位置相同的行上具有 grep 選項，并在下面作為單獨的行。
• 帶有單引號、雙引號（帶有轉義斜杠）的環繞模式，什么都沒有。

以前相關（但不重復）的問題； https://stackoverflow.com/a/39012417/20429097 使用 Mocha 選擇性地運行測驗用例 https://mochajs.org/#-grep-regexp-g-regexp

代碼;

export function testFn(): number { return 1; }

測驗；

describe('CURRENTTEST test pass', () => {
  it('should pass', () => {
    expect(testFn()).to.equal(1);
  });
});
describe('test fail', () => {
  it('should fail', () => {
    expect(testFn()).to.equal(2);
  });
});

啟動.json

{
  "version": "0.2.0",
  "configurations": [
////////////////////////////// basic config to run all tests - works //////////////////////////////////////
    {
      "name": "mocha tests",
      "type": "node",
      "request": "launch",
      "program": "${workspaceRoot}/node_modules/mocha/bin/_mocha",
      "stopOnEntry": false,
      "args": [
        "-r",
        "ts-node/register",
        "${workspaceRoot}/spec/**/*.spec.ts",
        "--no-timeouts",
        "--colors",
        "--recursive",
      ],
      "cwd": "${workspaceRoot}",
      // "internalConsoleOptions": "openOnSessionStart",
      // "console": "integratedTerminal",
    },

/////////////////////// grep config to run CURRENTTEST only - doesn't work ////////////////////////////
    {
      "name": "mocha CURRENTTEST",
      "type": "node",
      "request": "launch",
      "program": "${workspaceRoot}/node_modules/mocha/bin/_mocha",
      "stopOnEntry": false,
      "args": [
        "-r",
        "ts-node/register",
        "${workspaceRoot}/spec/**/*.spec.ts --grep 'CURRENTTEST'",
        "--no-timeouts",
        "--colors",
        "--recursive",
      ],
      "cwd": "${workspaceRoot}",
      "internalConsoleOptions": "openOnSessionStart",
      // "console": "integratedTerminal",
    }
  ]
}

包.json

{
  "name": "min code grep test",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "dependencies": {
    "@types/chai": "latest",
    "@types/mocha": "latest",
    "@types/node": "latest",
    "chai": "latest",
    "eslint-import-resolver-typescript": "latest",
    "eslint-plugin-jsx-a11y": "latest",
    "eslint-plugin-react": "latest",
    "eslint-plugin-react-hooks": "latest",
    "ts-node": "latest",
    "typescript": "latest"
  },
  "devDependencies": {
    "@typescript-eslint/eslint-plugin": "latest",
    "@typescript-eslint/parser": "latest",
    "eslint": "latest",
    "eslint-config-airbnb-base": "latest",
    "eslint-config-airbnb-typescript": "latest",
    "eslint-config-google": "latest",
    "eslint-config-standard": "latest",
    "eslint-plugin-import": "latest",
    "eslint-plugin-node": "latest",
    "eslint-plugin-promise": "latest",
    "mocha": "latest"
  },
  "scripts": {
    "test": "mocha -r ts-node/register -r tsconfig-paths/register './spec/**/*.spec.ts'",
    "test:grep": "mocha -r ts-node/register -r tsconfig-paths/register \"spec/**/*.ts\" --grep"
  },
  "author": "",
  "license": "ISC"
}

uj5u.com熱心網友回復：

每個引數都應該是陣列中的一個新元素，例如：

{
      "name": "mocha CURRENTTEST",
      "type": "node",
      "request": "launch",
      "program": "${workspaceRoot}/node_modules/mocha/bin/_mocha",
      "stopOnEntry": false,
      "args": [
        "-r",
        "ts-node/register",
        "${workspaceRoot}/spec/**/*.spec.ts",
        "--grep",
        "CURRENTTEST",
        "--no-timeouts",
        "--colors",
        "--recursive",
      ],
      "cwd": "${workspaceRoot}",
      "internalConsoleOptions": "openOnSessionStart",
      // "console": "integratedTerminal",
    }

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