How do you debug a test in karma?

How do you 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:


How do you debug a test?

To start debugging: In the Visual Studio editor, set a breakpoint in one or more test methods that you want to debug. Because test methods can run in any order, set breakpoints in all the test methods that you want to debug.

How do I debug Karma test in IntelliJ?

IntelliJ IDEA integrates with Karma so you can run, debug, and monitor coverage of your tests from inside the IDE.

To run tests via a run configuration

  1. Select the Karma run/debug configuration from the list on the main toolbar and click. …
  2. The Karma test server starts automatically without any steps from your side.
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How do you debug step by step?

In this article

  1. Set a breakpoint and start the debugger.
  2. Navigate code in the debugger using step commands.
  3. Step over code to skip functions.
  4. Step into a property.
  5. Run to a point in your code quickly using the mouse.
  6. Advance the debugger out of the current function.
  7. Run to cursor.
  8. Restart your app quickly.


How do I debug a spec file?

spec. ts code for debugging – Stack Overflow.

1 Answer

  1. In a test that you cannot find, add a debugger; statement.
  2. Run ng test.
  3. When Karma is loaded in a new browser window, click the “Debug” button.
  4. Open the developer tools as soon as a new tab is opened in Chrome (reload the tab if you do this late)


How do you debug Jasmine test cases?

Debugging Jasmine Unit tests running with Karma runner in VS Code

  1. Step 1 : Create the angular app. …
  2. Step 2 : Setting up the karma.conf.js for running tests in Chrome browser. …
  3. Step 3 : Setting up Karma.conf.js for Chrome debugging. …
  4. Step 4 : Setting up VS Code With Chrome Debugger.


How do you debug BDD test cases?

Step into to start debugging the method implementing the first step of the scenario. Or Resume the execution to run the current step and jump to the next one.


  1. Set a breakpoint on the part of the code you want to debug. …
  2. Run your RunCucumberTest in debug mode.
  3. The execution will stop at your breakpoint.

What are debugging techniques?

Definition: The important technique to find and remove the number of errors or bugs or defects in a program is called Debugging. It is a multistep process in software development. It involves identifying the bug, finding the source of the bug and correcting the problem to make the program error-free.

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Why is debugging so hard in software testing?

Debugging itself is a very difficult process because of the involvement of humans. Another reason due to which it is considered as difficult because it consumes a large amount of time and resources too.

What is the difference between karma and Jasmine?

Manually running Jasmine tests by refreshing a browser tab repeatedly in different browsers every time we edit some code can become tiresome. Karma is a tool which lets us spawn browsers and run Jasmine tests inside of them all from the command line.

How do I check my karma code coverage?

To enable this, open the Karma test platform configuration file, karma. conf. js , and add the check property in the coverageReporter: key. The check property causes the tool to enforce a minimum of 80% code coverage when the unit tests are run in the project.

How do I run a single test file in karma?

Answer proposal for special Angular/IE case: The only thing that worked so far for me using “karma-ie-launcher”, in order to run IE as browser, was modifying “include” property of tsconfig. spec. json to explicitly reference target test file using universal qualified path and not globs e.g. “C:filepathmy-test.

What are the 5 debug steps?

5 stages of debugging

  1. Denial. …
  2. Anger. …
  3. Bargaining. …
  4. Depression. …
  5. Acceptance.


What are the three basic debugging steps?

The debugging process usually consists of the following: examine the error symptoms, identify the cause, and finally fix the error.

What is step out in debugging?

Click Step Out on the Debug menu to resume running on the target. This command executes the rest of the current function and breaks when the function return is completed. This command is equivalent to pressing SHIFT+F11 or clicking the Step out (Shift+F11) button ( ) on the toolbar.

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