How do I debug karma in Visual Studio?

How do I debug karma in Visual Studio?

1. Open karma.conf.js and perform the following change:
2. Open a terminal and start karma tests: ng test.
3. Open app.component.spec.ts and set a break point:
4. Select “Karma Tests” in the debug menu:
5. Press F5 to start debugging. VSCode should stop at the breakpoint:

How do I debug karma unit test?

Debugging testslink

1. Reveal the Karma browser window.
2. Click the DEBUG button; it opens a new browser tab and re-runs the tests.
3. Open the browser’s “Developer Tools” ( Ctrl-Shift-I on Windows; Command-Option-I in macOS).
4. Pick the “sources” section.
5. Open the 1st.
6. Set a breakpoint in the test.

How do you debug test cases in Visual Studio?

Once you have your launch configuration set, start your debug session with F5. Alternatively you can run your configuration through the Command Palette (Ctrl+Shift+P), by filtering on Debug: Select and Start Debugging or typing ‘debug ‘ , and selecting the configuration you want to debug.

How do you debug Jasmine karma?

1 Answer

1. Open the debug tab.
2. Add a Chrome configuration, it’ll fill out most the fields for you.
3. Set breakpoint(s) in the code you want to debug.
4. Run your the debug task which will open a chrome window to the specified port.
5. Run your test command ( ng test ) and refresh the opened Chrome window if necessary.

How do I use karma in Chrome?

Install Karma, the relevant, plugins, and the test runners using yarn :

1. yarn add –dev karma karma-chrome-launcher karma-mocha karma-chai. yarn add –dev mocha chai.
2. npm i –save-dev karma karma-chrome-launcher karma-mocha karma-chai.
3. module.
4. describe(‘Array’, () => {
5. “scripts”: {
6. module.
7. language: node_js.

What is karma debug runner?

While the test runner is active, it will keep a Chrome tab open, inside which the tests will be run. Although you could open a debugger directly in this tab, you don’t want to, as it will interfere with the test runner, making debugging more difficult than it needs to be.

How do I debug a TypeScript file?

Debug a TypeScript application running on an external web server

1. Configure the built-in debugger as described in Configuring JavaScript debugger.
2. Configure and set breakpoints in the TypeScript code.
3. Run the application in the development mode.
4. Choose Run | Edit Configuration from the main menu, click.

How do you run Karma test cases?

Running a Karma Test Case for a Single Spec File / Single module

1. Add the Spec name in the test. ts file under the src folder. import ‘zone.js/dist/zone-testing’; import { getTestBed } from ‘@angular/core/testing’; import {
2. Run ng test –code-coverage. Now Karma and Jasmine will check only Test-Demo. Spec. ts.

How to debug Karma tests in Visual Studio Code?

1 Open karma.conf.js and perform the following change: 2 Open a terminal and start karma tests: ng test 3 Open app.component.spec.ts and set a break point: 4 Select “Karma Tests” in the debug menu: 5 Press F5 to start debugging. VSCode should stop at the breakpoint: More

How to debug Karma on Mac OS X?

Chrome 37.0

How to debug unit tests with Karma / Jasmine?

If I make a change, Karma kicks in and the debugger, too – but it invariably pauses in zone.js (this is an Angular project by the way) without me interfering in any way: For example, I can’t see the value of actual passed into Jasmine’s expect method.

How to run Karma server in Visual Studio?

You’d want to set your launch.json config to something like this: But you also need to adjust your karma.conf.js config, so that it launches Chrome instance with dev tools listening to 9333 port, like so: With such setup you can just run your karma server (with captured browser), and then start debugging in visual studio.