Question

我正在使用Angular CLI，当我运行ng test时，它开始启动浏览器，然后我突然收到错误：

userName@UserName:~/devApp/profiles$ng test
10% building modules 1/1 modules 0 active18 09 2017 16:16:51.891:WARN [karma]: No captured browser, open http://localhost:9876/
18 09 2017 16:16:51.903:INFO [karma]: Karma v1.7.0 server started at http://0.0.0.0:9876/
18 09 2017 16:16:51.903:INFO [launcher]: Launching browser Chrome with unlimited concurrency
18 09 2017 16:16:51.915:INFO [launcher]: Starting browser Chrome

ERROR in Entry module not found: Error: Can't resolve '/Users/xxx/devApp/profiles/src/test.ts' in '/Users/xxx/devApp/profiles/node_modules/@angular/cli/models/webpack-configs'

以下是我在设置项目时通过Angular CLI生成的文件：test.ts：

// This file is required by karma.conf.js and loads recursively all the .spec and framework files

import 'zone.js/dist/long-stack-trace-zone';
import 'zone.js/dist/proxy.js';
import 'zone.js/dist/sync-test';
import 'zone.js/dist/jasmine-patch';
import 'zone.js/dist/async-test';
import 'zone.js/dist/fake-async-test';
import { getTestBed } from '@angular/core/testing';
import {
  BrowserDynamicTestingModule,
  platformBrowserDynamicTesting
} from '@angular/platform-browser-dynamic/testing';

// Unfortunately there's no typing for the `__karma__` variable. Just declare it as any.
declare var __karma__: any;
declare var require: any;

// Prevent Karma from running prematurely.
__karma__.loaded = function () {};

// First, initialize the Angular testing environment.
getTestBed().initTestEnvironment(
  BrowserDynamicTestingModule,
  platformBrowserDynamicTesting()
);
// Then we find all the tests.
const context = require.context('./', true, /\.spec\.ts$/);
// And load the modules.
context.keys().map(context);
// Finally, start Karma to run the tests.
__karma__.start();

角cli.json：

    {
  "project": {
    "name": "profiles"
  },
  "apps": [
    {
      "root": "src",
      "outDir": "dist",
      "assets": [
        "assets"
      ],
      "index": "index.html",
      "main": "main.ts",
      "polyfills": "polyfills.ts",
      "test": "test.ts",
      "tsconfig": "tsconfig.json",
      "testTsconfig": "tsconfig.json",
      "prefix": "app",
      "styles": [
        "styles.css",
        "custom_theme.scss"
      ],
      "scripts": [],
      "environmentSource": "environments/environment.ts",
      "environments": {
        "dev": "environments/environment.ts",
        "prod": "environments/environment.prod.ts"
      }
    }
  ],
  "e2e": {
    "protractor": {
      "config": "./protractor.conf.js"
    }
  },
  "lint": [
    {
      "files": "src/**/*.ts",
      "project": "src/tsconfig.json"
    },
    {
      "files": "e2e/**/*.ts",
      "project": "e2e/tsconfig.json"
    }
  ],
  "test": {
    "karma": {
      "config": "./karma.conf.js"
    }
  },
  "defaults": {
    "styleExt": "css",
    "class": {
      "spec": false
    },
    "component": {
      "spec": true,
      "inlineStyle": false,
      "inlineTemplate": false
    }
  }
}

Answer 1

错误位于 karma.conf.js 文件中，因为 test.ts 的路径指向 src 错误的文件夹：

...
files: [
    { pattern: './src/test.ts', watched: false }
],
preprocessors: {
    './src/test.ts': ['@angular/cli']
}
...,

解决方案：我已将文件 test.ts 从root删除到 /src 文件夹： /src/test.ts 并按预期运行命令。

运行ng test时如何解决test.ts？

1 个答案: