FAQ: How To Write Test Cases In Java?

How do you create a test case in Java?

Creating a JUnit Test Case in Eclipse java file in your project that will test one of your existing classes. In the Package Explorer area on the left side of the Eclipse window, right-click the class you want to test and click New → JUnit Test Case. A dialog box will pop up to help you create your test case.

How do you write test cases?

Best Practice for writing good Test Case Example.

  1. Test Cases need to be simple and transparent:
  2. Create Test Case with End User in Mind.
  3. Avoid test case repetition.
  4. Do not Assume.
  5. Ensure 100% Coverage.
  6. Test Cases must be identifiable.
  7. Implement Testing Techniques.
  8. Peer Review.


What is a test case in Java?

A test case defines the fixture to run multiple tests. To define a test case. 1) implement a subclass of TestCase. 2) define instance variables that store the state of the fixture. 3) initialize the fixture state by overriding setUp.

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How do you write a test case for beginners?

2. Steps to design a test case

  1. Step 1: Define the purposes of your testing process.
  2. Step 2: Determine the performance indicators of your software system. (
  3. Step 3: Identify non-functional requirements.
  4. Step 4: Determine the test case template.
  5. Step 5: Indicate the interaction between the modules of the software.

Where can I write junit test cases?

Write the test case

  • package com.javatpoint. testcase;
  • import static org. junit.Assert.assertEquals;
  • import org. junit.After;
  • import org. junit.AfterClass;
  • import org. junit.Before;
  • import org. junit.BeforeClass;
  • import org. junit. Test;
  • import com.javatpoint.logic.Calculation;

How do I run a junit test case?

The test cases are executed using JUnitCore class. Create Test Case Class

  1. Create a java test class, say, TestJunit. java.
  2. Add a test method testPrintMessage() to your test class.
  3. Add an Annotaion @ Test to the method testPrintMessage().
  4. Implement the test condition and check the condition using assertEquals API of JUnit.

How do you write a good test case?

How to write test cases for software:

  1. Use a Strong Title.
  2. Include a Strong Description.
  3. Include Assumptions and Preconditions.
  4. Keep the Test Steps Clear and Concise.
  5. Include the Expected result.
  6. Make it Reusable.
  7. Title: Login Page – Authenticate Successfully on gmail.com.
  8. Description: A registered user should be able to successfully login at gmail.com.

Who writes UAT test cases?

Business stakeholders including independent subject matter experts. Technical and other specialist experts. The organisation’s specialist test team, assuming that it has one. External (outsourced) specialist testers; these may be expensive but they are independent, e.g. of project managers and business managers.

How do you write UI test cases?

The following checklist will ensure detailed GUI Testing in Software Testing.

  1. Check all the GUI elements for size, position, width, length, and acceptance of characters or numbers.
  2. Check you can execute the intended functionality of the application using the GUI.
  3. Check Error Messages are displayed correctly.
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What are the types of test cases?

Given below are different types of Test Cases:

  • Functionality Test Case.
  • User Interface Test Case.
  • Unit Test Case.
  • Integration Test Case.
  • Performance Test Case.
  • Security Test Case.
  • Database Test Case.
  • Usability Test Case.

Can I learn selenium without knowing Java?

Yes, of course, you can learn Selenium without knowing Java. Selenium IDE is a GUI based tool but it works only in Mozilla Firefox. However, if you want to create test cases using Selenium WebDriver, you should know one programming language out of – Java, C#, Python, Perl, Ruby, PHP.

How do test cases work?

After test scripts, test cases are the second most detailed way of documenting testing work. They describe a specific idea that is to be tested, without detailing the exact steps to be taken or data to be used. For example, in a test case, you document something like ‘ Test if coupons can be applied on actual price’.

How do you test scenarios?

Example 1: Test Scenario for eCommerce Application

  1. Test Scenario 1: Check the Login Functionality.
  2. Test Scenario 2: Check the Search Functionality.
  3. Test Scenario 3: Check the Product Description Page.
  4. Test Scenario 4: Check the Payments Functionality.
  5. Test Scenario 5: Check the Order History.


What is front end testing?

Frontend Testing is a type of testing that checks the Presentation layer of a 3 Tier Architecture. In layman’s term, you are checking the GUI – anything that is visible on screen, client -side. For a web application, front – end testing would involve checking functionalities like forms, graphs, menus, reports, etc.

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What is difference between test case and test scenario?

Test case consist of a set of input values, execution precondition, expected results and executed post condition, developed to cover certain test condition. While Test scenario is nothing but a test procedure. A Test Scenarios has one or many relations with Test Case, meaning a scenario can have multiple test cases.

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