How do you generate a karma report?

How do you create a report in karma?

To activate the coverage reporter add this to your configuration file. reporters = [‘coverage’]; This will create a coverage report for every browser that the tests are run in. In addition, it will create a JSON file that outputs the intermediate data.

What is a karma reporter?

Test reporter, that prints detailed results to console (similar to mocha’s spec reporter).

What is karma code?

Karma is essentially a tool which spawns a web server that executes source code against test code for each of the browsers connected. The results of each test against each browser are examined and displayed via the command line to the developer such that they can see which browsers and tests passed or failed.

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.

What is Karma Jasmine HTML?

Reporter that dynamically shows tests results at debug. You can also run a describe block, or a single test. …

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How do you generate a code coverage report?

Generate the report

  1. From the main menu, select Run | Generate Coverage Report, or click. in the Coverage tool window. …
  2. In the Generate Coverage Report dialog, specify the directory in which the generated report should be stored, and optionally select the Open generated HTML in browser checkbox. …
  3. Click Save.


What is karma coverage Istanbul reporter?

A karma reporter that uses the latest istanbul 1. x APIs (with full sourcemap support) to report coverage.

How do I run Karma coverage?

To add karma-coverage definition to the configuration file

  1. Open karma. conf. …
  2. Locate the reporters definition and add coverage to the list of values in the format: reporters: [‘progress’, ‘coverage’] …
  3. Add a preprocessors definition and specify the coverage scope in the format: preprocessors: {‘**/*.js’: [‘coverage’]}


What is karma JS used for?

Karma is a test runner for JavaScript that runs on Node. js. It is very well suited to testing AngularJS or any other JavaScript projects. Using Karma to run tests using one of many popular JavaScript testing suites (Jasmine, Mocha, QUnit, etc.)

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. ​x. import ‘zone.js/dist/zone-testing’; import { getTestBed } from ‘@angular/core/testing’ …
  2. Run ng test –code-coverage. Now Karma and Jasmine will check only Test-Demo. Spec. ts.

How do I increase Jasmine code coverage?

You need to perform the following steps to generate the code coverage report for uncovered branches/code: First, you need to create a spec file ( CurrencyConverter_tests_coverage_spec. js ) under the /spec folder and get the following code from the spec file ( CurrencyConverter_tests_spec.

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What is NG test in angular?

Runs unit tests in a project. Takes the name of the project, as specified in the projects section of the angular. json workspace configuration file.

What code coverage means?

Code coverage is the percentage of code which is covered by automated tests. Code coverage measurement simply determines which statements in a body of code have been executed through a test run, and which statements have not. … Code coverage is part of a feedback loop in the development process.

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