SPRING BOOT JPA WITH REST USING TDD 2023

SPRING BOOT JPA WITH REST USING TDD 2023 is a simple framework. Here the JPA framework should be used to store and retrieve data in a relational database.

Add the following dependencies SPRING BOOT JPA WITH REST USING TDD 2023:

This will be linked to the H2 in-memory database for easy database connection. This is an important topic for Pivotal Spring Professional Certification for basic java training in Delhi in today’s IT industry.

II. SOFTWARE TOOLS
This exercise is provided with the following tools, but any newer versions can be used to complete this exercise SPRING BOOT JPA WITH REST USING TDD 2023:

Java Platform – Version 8.151
IntelliJ IDE – Version 2017.2.6
Maven for Dependency Management – Version 3
These software tools are most widely used in the IT industry for advanced Java training in Delhi and for Java projects.

III. TARGET
The purpose of this lab is to create a simple web application that will allow a user to register their information and retrieve it later. We achieve this using RESTful spring boot, as it is a great library that hides a lot of webmvc integration and allows the programmer to focus only on the code. This lab helps students to gain more knowledge to prepare for Java certification in Delhi.

IV. LABORATORY INSTRUCTIONS
MAVEN DEPENDENCIES
Maven is used here for dependency management. It is also very useful to maintain proper code structure SPRING BOOT JPA WITH REST USING TDD 2023.

 

SWAGGER
It is an excellent library that allows visualization of RESTful calls. It also provides an equivalent CURL command in case that is more convenient. It’s also a good example of live code documentation. It is an important library used for Java training in Delhi.

Create a new configuration class annotated with @EnableSwagger2.
Swagger renders the /swagger-ui.html endpoint when the application is launched.

JPA ENTITIES
Create a User JPA entity by annotating @Entity like this SPRING BOOT JPA WITH REST USING TDD 2023:

The @NonNull chek ensures that an entity cannot be created with null values ​​and throws a ConstraintViolationException runtime exception when attempting to insert a record with null values SPRING BOOT JPA WITH REST USING TDD 2023.

JPA STORAGE
The JPA repository is very short and simple with a query method. We don’t need to write any additional code because Spring takes care of it. This creates the correct SQL queries behind the scenes.

REST CONTROLLER
This class allows us to add REST endpoints that we can use to send and retrieve user information. Again, we use standard Spring REST code supplemented with Lombok annotation SPRING BOOT JPA WITH REST USING TDD 2023.

CHECK
Run the application either through maven or IntelliJ Application run config.
The Swagger UI exposes controller methods.
Register a user through the user interface
Check that the response has a status code of 200.
Now load the saved user.
Check the answer SPRING BOOT JPA WITH REST USING TDD 2023.
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Answer:
Test-driven development (TDD), also known as test-driven design, is a method of software programming that combines unit testing, programming, and source code refactoring. Test-driven development was developed as part of the Extreme Programming (XP) software design paradigm, which is part of an agile approach to software development SPRING BOOT JPA WITH REST USING TDD 2023.

Q: What are the different steps in TDD?
Answer:
A major component of test-driven development is regular or rapid cycles of testing, coding, and refactoring, with testing first. These cycles move at such a fast pace that manual control is not possible.
Following are the steps in TDD:

Research and create test cases.
Red – Creates a failed unit test
Green – Complete the code and submit a new test case.
Green – Verify that all previous test cases passed.
Clean up the code by refactoring it SPRING BOOT JPA WITH REST USING TDD 2023.
Continue this cycle.
Q: What are the benefits of TDD?
Answer:
Quality: With test-driven development, better quality applications can be created faster than using traditional development techniques.
Detect problems earlier and facilitate faster resolution.
High test coverage: Compared to traditional phased cycles of code > test > fix > retest, the TDD methodological approach ensures significantly higher coverage and premium quality.
Less Debugging: Testing is done early in the design cycle, reducing the amount of time and cost needed for debugging later.
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Question: What are the disadvantages of TDD?
Answer:
To be effective with TDD, especially at the unit level, you need skills.
Because many legacy systems were not designed with unit testing in mind, it is difficult to isolate components for testing.
When considering TDD, a business will need to take its time and slow down initially to pick up speed later.
Q: Do you use TDD in your work, and if so, why?
Answer:
For my unit tests, I create system behavior tests, not implementation tests.
I try to write my tests in a way that makes refactoring easy and doesn’t break them SPRING BOOT JPA WITH REST USING TDD 2023.
As it is difficult to ensure 100% test coverage for specific issues such as legacy systems that are not compatible.
I believe it is essential to verify that key system components produce appropriate results for various typical
Question: How is BDD different from TDD (Test-Driven Development)?
Answer:
Behavior Driven Development (BDD) is intended to test the behavior of the application from the end user’s perspective, while TDD is intended to test smaller pieces of functionality in isolation SPRING BOOT JPA WITH REST USING TDD 2023.

BDD is the next step in the evolution of TDD.
TDD requires this from developers

write unit tests and watch them fail,
create a function so that the tests pass,
rewrite the code to make it stronger, and
continue the cycle. In BDD, teams perform the same loop with feature tests (also known as “acceptance” or “black box” tests) and unit tests.
In addition, BDD includes left-shift approaches such as example mapping and specification by example so that teams understand what they are doing and focus on producing the right things SPRING BOOT JPA WITH REST USING TDD 2023.

Q: What is the difference between Acceptance TDD and Developer TDD?
Answer:
There are two levels of TDD.

Receive TDD (ATDD)
With ATDD, you only need to write one acceptance test. This test verifies system behavior or meets specification requirements. Build just enough production/functional code to pass acceptance testing afterwards. The main objective of the acceptance test is the general behavior of the system. Another name for ATDD was Behavioral Driven Development (BDD).
TDD developer
With Developer TDD, a user can create production-only code to meet a single developer test or unit test. A unit test focuses on the smallest features of the system. A TDD developer is simply called TDD. The basic goal of ATDD and TDD is to describe specific, actionable criteria for your just-in-time (JIT) solution SPRING BOOT JPA WITH REST USING TDD 2023.

Question: What is Agile Model Driven Development (AMDD) in TDD?
Answer:
AMDD, as its name suggests, is an agile method of model-driven development (MDD). In the MDD software development technique, detailed models are created before any source code is created. A perfect example of MDD is the Model Driven Architecture (MDA) standard of the Object Management Group (OMG).

Question: What is the difference between TDD and AMDD?
Answer:
TDD is a software development method that involves creating test cases before the software is complete and updating as needed in response to test results. Model Driven Development (MDD), also known as MDA (Model Driven Architecture), is an agile variant of MDA in which detailed models are developed before the source code is written SPRING BOOT JPA WITH REST USING TDD 2023.

Q: What is accessibility testing?
Answer:
To make your web and mobile apps useful to as many users as possible, an accessibility testing process needs to be done. This makes the apps useful for people with disabilities, such as those who suffer from hearing loss, vision loss, or other physical or mental problems.

Question: What is TDDD?
Answer:
Test-driven database development, or TDDD, is a technique that uses unit tests to drive the database development process. Unlike database development which comes first and SQL unit testing follows, this is essentially SQL unit testing after database development SPRING BOOT JPA WITH REST USING TDD 2023.

Q: How do you write a test case for SQL queries?
Answer:
The following describes a common SQL unit testing scenario SPRING BOOT JPA WITH REST USING TDD 2023:

Create a database entity to meet specific business needs.
To validate the database object, create a SQL unit test.
Run the SQL unit test to see if the database connection is working.
If the test is successful, continue with the following SQL unit test.
Q: Why is sanity checking required in TDD SPRING BOOT JPA WITH REST USING TDD 2023?
Answer:
Sanity testing is done to ensure that code changes work as intended. Sanity testing is a pause that determines whether build testing can continue or not. During the sanity testing phase, the main goal of the team is to verify the functionality of the application rather than doing in-depth testing.

Question: When should regression testing be done and why in TDD?
Answer:
After functional testing is complete, regression testing is performed to ensure that other features are working. Regression testing is usually performed by the software quality assurance team after the development team has completed its work.

In test-driven development (TDD), a test suite is repeatedly run to give developers confidence when making code modifications. However, running the entire test suite for every small code change is not always cost-effective. For this reason, regression test selection (RTS) methods are critical to TDD. TDD is a particularly tough sell

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