Uncaught Error: Module name "http-errors"

[Ratikant01]

Hi,

I am using karma-requirejs for testing Node-Express project. But I am getting below error when doing npm test. Can anyone help me on this?

{ "message": "Uncaught Error: Module name \"http-errors\" has not been loaded yet for context: _. Use require([])\nhttp://requirejs.org/docs/errors.html#notloaded\nat node_modules/requirejs/require.js:143:9\n\nError: Module name \"http-errors\" has not been loaded yet for context: _. Use require([])\nhttp://requirejs.org/docs/errors.html#notloaded\n at makeError (node_modules/requirejs/require.js:168:17)\n at Object.localRequire [as require] (node_modules/requirejs/require.js:1436:44)\n at requirejs (node_modules/requirejs/require.js:1797:24)\n at app.js:1:19", "str": "Uncaught Error: Module name \"http-errors\" has not been loaded yet for context: _. Use require([])\nhttp://requirejs.org/docs/errors.html#notloaded\nat node_modules/requirejs/require.js:143:9\n\nError: Module name \"http-errors\" has not been loaded yet for context: _. Use require([])\nhttp://requirejs.org/docs/errors.html#notloaded\n at makeError (node_modules/requirejs/require.js:168:17)\n at Object.localRequire [as require] (node_modules/requirejs/require.js:1436:44)\n at requirejs (node_modules/requirejs/require.js:1797:24)\n at app.js:1:19" }

package.json
"scripts": { "start": "node ./bin/www", "test": "karma start & karma run" }, "dependencies": { "browserify": "^16.2.0", "cookie-parser": "~1.4.3", "debug": "~2.6.9", "express": "~4.16.0", "http-errors": "^1.6.3", "jade": "~1.11.0", "morgan": "~1.9.0", "mysql": "^2.15.0", "sqlite3": "^4.0.0", "watchify": "^3.11.0" }, "devDependencies": { "jasmine-core": "~2.8.0", "jasmine-spec-reporter": "~4.2.1", "karma": "^2.0.2", "karma-browserify": "^5.2.0", "karma-chrome-launcher": "~2.2.0", "karma-coverage-istanbul-reporter": "^1.2.1", "karma-jasmine": "~1.1.0", "karma-jasmine-html-reporter": "^0.2.2", "karma-phantomjs-launcher": "^1.0.4", "karma-requirejs": "^1.1.0", "karma-webpack": "^3.0.0", "requirejs": "^2.3.5", "webpack": "^4.6.0", "webpack-node-externals": "^1.7.2" }

karma.conf.js
`// Karma configuration file, see link for more information
// https://karma-runner.github.io/1.0/config/configuration-file.html

const nodeExternals = require('webpack-node-externals');

module.exports = function (config) {
config.set({
basePath: '',
frameworks: ['jasmine', 'requirejs'],
plugins: [
require('karma-jasmine'),
require('karma-chrome-launcher'),
//require('karma-phantomjs-launcher'),
//require('karma-jasmine-html-reporter'),
//require('karma-coverage-istanbul-reporter'),
require('karma-requirejs')
],
files: [
'test-main.js',
'app.js',
{pattern: 'routes/.js', included: false},
{pattern: 'spec/.spec.js', included: false},

    ],
    preprocessors: {
        //use webpack to support require() in test-suits .js files
        //use babel-loader from webpack to compile es2015 features in .js files
        //add webpack as preprocessor
        // 'app.js': ['webpack'],
        // 'routes/*.js': ['webpack'],
        // 'spec/*.spec.js': ['webpack']
    },
    client: {
        clearContext: false
    },
    // reporters: ['progress', 'coverage-istanbul', 'kjhtml'],
    reporters: ['dots'],
    coverageIstanbulReporter: {
        reports: ['html', 'text-summary'],
        fixWebpackSourcePaths: true
    },
    /*webpack: {
        target: 'node',
        node: {
            fs: 'empty'
        },
        mode: 'development',
        externals: [nodeExternals()]
    },*/
    port: 9876,
    colors: true,
    logLevel: config.LOG_INFO,
    autoWatch: true,
    browsers: ['Chrome'],
    singleRun: false
});

};`