jasmine interview questions

Jasmine Interview Questions
  • What is Angular Unit Testing?
  • What is Jasmine?
  • What are the types of Matchers used in Jasmine?
  • What is a Headless Browser?
  • Name some Asymmetric Matchers in Jasmine?
  • How can we disable tests in Jasmine?
  • What is Jasmine Spy?
  • How can we focus on a single Spec in Jasmine. js?

Nursing Interview Questions & Answers

Q. How do you mock service to inject in a unit test?

  • Makes it clear what dependencies each spec function uses.
  • If each test spec requires different mocks and spys this is a better solution that resolving it once per test suite.
  • Q. What is Karma? What is the use of Angular?

  • The describe(string, function) function defines what we call a Test Suite, a collection of individual Test Specs.
  • The it(string, function) function defines an individual Test Spec, this contains one or more Test Expectations.
  • The expect(actual) expression is what we call an Expectation. In conjunction with a Matcher it describes an expected piece of behaviour in the application.
  • The matcher(expected) expression is what we call a Matcher. It does a boolean comparison with the expected value passed in vs. the actual value passed to the expect function, if they are false the spec fails.
  • Jasmine is an open-source JavaScript framework, capable of testing any kind of JavaScript application. Jasmine follows Behavior Driven Development (BDD) procedure to ensure that each line of JavaScript statement is properly unit tested. By following BDD procedure, Jasmine provides a small syntax to test the smallest unit of the entire application instead of testing it as a whole.

    FAQ

    What is Jasmine framework used for?

    Jasmine is an open-source testing framework for JavaScript. It aims to run on any JavaScript-enabled platform, to not intrude on the application nor the IDE, and to have easy-to-read syntax. It is heavily influenced by other unit testing frameworks, such as ScrewUnit, JSSpec, JSpec, and RSpec.

    Which of the following TestBed method is used?

    How do I Run a Unit Test On Jasmine?
    1. Give your code access to Jasmine, downloading it manually or with a package manager.
    2. Initialize Jasmine.
    3. Create a spec (test) file.
    4. Make the source code available to your spec file.

    What is used to run unit tests in Angular?

    Which of the following TestBed method is used to create an Angular component under test? The correct answer is – createComponent!

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