Karma is a task runner for our tests. It uses a configuration file in order to set the startup file, the reporters, the testing framework, the browser among other things. The rest of the dependencies are mainly reporters for our tests, tools to use karma and jasmine and browser launchers.
What is Karma and Jasmine in Angular?Karma handles the process of creating HTML files, opening browsers and running tests and returning the results of those tests to the command line. If you use the Angular CLI to manage projects it automatically creates stub Jasmine spec files for you when generating code.
Is Karma part of Angular?Karma is a direct product of the AngularJS team from struggling to test their own framework features with existing tools. As a result of this, they made Karma and have transitioned it to Angular as the default test runner for applications created with the Angular CLI.
What is CLI in Angular?Angular CLI is a command line interface, thus CLI, which includes the functionality that Webpack provides. ... As shown in the next section, creating your Angular project via the command line is done within minutes and you will already have a working app to begin development on.
What is Ng means in Angular?ng stands for Next Generation, as Angular is the next generation of HTML .
Due to the asynchronous behavior of the application selenium is not able to handle the asynchronous calls. The main reason behind is to simulate requests. How to test using Karma? First of all, One can install karma using below command npm install karma —save-dev After running this command, karma dependencies will be installed.
It will be present in package. Json after you run the above command. For making karma available globally use -g option so that you can invoke it from anywhere. Now, the next step is to install karma plugin which would help us in using the jasmine framework and google chrome browser. Run the below command: npm install karma-jasmine karma-chrome-launcher —save-dev After running this command, start making tests in command prompt.
For creating tests, run the following command. For configuring the test runner perform the following steps. Using the What is karma angular? command, run the jasmine tests. Make a directory called lib in your project and then add all libraries in that folder. Your test will run now successfully. Let us see how you can proceed with the installation of Protractor. Run the following command to start with the installation of the protractor. Using -g will make it available globally in your system.
Now, after installation of protractor If you want to What is karma angular? the version of the protractor. You can find the following by running the following command. Protractor —version For running the protractor tests against the application under test, you would need webDriver manager. Now, you must update the webDriver manager to the latest version.
For updating it, run the following command. You can start it by running in the background by running the following command. Now, we will see how to design the test cases in protractor.
To start with designing o the test cases you need 2 files. One is the spec file and the other is the config file. The configuration file has the location for the protractor tests. Also remember, chrome is the default browser for a protractor. While the second file, the spec file has the logics and locators which would be used to interact with the application. After entering you will see your name as Hello Name! Now, What is karma angular? us start with the steps which are required for making this test case and to execute it.
In your folder, you will have 2 files. It is basically a module and it can be a class or a function. So, for starting the function we start it with describe keyword. Similarly, in the Jasmine framework, it starts a new test case.
Now, you must identify the elements. So, you have to inspect the element just like you do in Selenium. You can store Web elements in a variable. You can declare a variable using var keyword. Now, it is time to have some assertions. You get the text out of this web element and then compare it to the expected text. Now, you are done with spec. You have to define the path of spec here so that tests can be identified easily.
Paste the following code in conf. Spcs tell the location of spec. First thing to keep in mind that webdriver-manager should be started. If not started, you have to first start it with following command. After starting the webdriver-manager plugin, run the config.
We make the assertion false.
Modify the code in spec. You will get to know the complete description where the test case got failed. Now, you must be imagining how would the reports be integrated with Jasmine. For installing globally, run the following command.
You have to What is karma angular? Jasmine reporter in it. Add the following code in it. You will see the junitresult. Cypress is very close to the application. It just has a very thin layer between production code and testing code. When you open the cypress application using command cypress open, the following application will open.
This application is divided into two parts. On the left side, you write commands. There are different keywords to it.
Companies That Use Angular
For installing Cypress, you should have node. You can then use the npm installer to add dependencies of Cypress. Now, run the following command npm run cypress When you add a new project in cypress then you will have below folder structure.
Fixtures have static data that has to be used by What is karma angular? tests. You can use them by cy. In the integration folder, you will have your integration tests. The plugin helps you to tweak to your test cases. Just like plugins have a file named index. In Support files, you can have your reusable code. Now, it is time to create your first test in the integration folder. You name it as test1. You will see it in the Cypress test runner also.
Now let us put some code in it.
It makes the beginning of the test cases. Once you will run this test In the test explorer, on the right side, the execution starts. When you will run Cypress for the first time, you will see that the cypress. In this, you can store your configuration values.
It is present on the left side of the test runner. Use this way to get the webelements. Hence, we are done with the first test case in cypress. Make use o f these and test the application in the best possible ways.
Optimize your code and have the best test integration practices so that the client can be What is karma angular? with your test metrics.