Automation Scripts: A Comprehensive Guide

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Sweta

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Nov 15, 2024

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5 mins

 

In today's era, we are mainly focused on saving time and increasing efficiency. With the usage of automation scripts, you can ensure that you get the power of automation to deal with complicated tasks and develop software seamlessly. 

Mostly used for performing repetitive tasks, they can help a user manage their time and solve problems related to software development appropriately. These scripts are commonly used in programming languages like Python, PHP, Java Script, and others, etc.

In this blog, we will specifically mention such scripts and provide core information regarding them as well.

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What is Automation Scripts? 

Automation scripts are written pieces of instructions or a set of instructions written using some programming language. 

Generally, the choice of language depends on the specifics of the tasks that need to be covered. These scripts are commonly used to improve efficiency and help remove errors. 

Some common automation types that you can get are as follows:

  • Task automation

  • Process automation

  • Testing automation (software testing)

  • Infrastructure automation, etc. 

The automated scripts help IT professionals to easily manage tasks by ensuring lower errors while also boosting productivity. Popular programming languages that you may use for designing automated scripts are as follows:

  • Python 

  • JavaScript 

  • Bash/Shell Scripting

  • Power Shell (Windows Automation)

  • Java 

  • Ruby 

  • Go (Golang)

  • C#, etc. 

Let us take an example of how you need to automate the e-commerce process. This includes responsibilities like scraping web data, processing payments, and managing inventory and reports. 

Automating these tasks using a programming language like Python helps you extract such details within less time as well. 

Types of Automation Scripts

There are mainly two types of automation tests that are available for a person to use they are:

  1. Functional Testing 

  2. Non-Functional Testing 

Functional tests signify the real-world user application of the software solution. On the other hand, non-functional testing helps in evaluating the other aspects of the software solution, which includes performance checks, security, data storage, etc. Thus, non-functional testing helps ensure that the apps are fast and efficient as well. 

Now, there are five key ways that QA teams often use to automate tests. They are: 

  • Linear Scripting: The linear scripting ensures that a test engineer is using a simple record and playback to automate the system. In linear automation scripts, you can recognize some redundant or unneeded functions. 
  • Structured Scripting: These automation scripts consist of 'if-else,' 'switch,' 'for,' and 'while' conditions or statements. These statements help in providing decision-making in the scripts and help do some activities iteratively. 

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Components of Automation Scripts 

If you are trying to generate an accurate script, it must have a few components to make it work appropriately. Some effective components of automation scripts are as follows: 

  • Test Data: Input the values that the script will use to execute the test cases. 
  • Test Cases: Specific actions or scenarios that are tested need to be ideated previously and incorporated.
  • Assertions: It provides the basis when statements in the script verify if a particular test case result meets the expected outcome. 
  • Reporting Mechanism or Feedback Loop: Provides feedback on the test result, ultimately identifying the issues and failures. For example, if A is true, then report A* to be true; otherwise, B* is true. Now if B* shows failure, then the whole system of code is re-verified. 
  • Logging: Records the sequence of actions and outcomes, thus helping a developer meet the troubleshooting. 

In the script, each of these components is important. If any of the above elements is missing, the test cases might be incomplete. With these tests in hand, you can properly check the functionality of the systems and easily design appropriate software. 

Benefits of Automation Scripts 

Implementing automation testing scripts offers several benefits for the users. Mostly, if you are a developer trying to build software from scratch, it provides the basic user inputs that trigger a perfect software development process. The benefits of the software development process are as follows:

  • Efficiency: Reduces the time required for manual testing (which is, by the way, needed), allowing the developers to build new functionalities. Suppose you are introducing a payment system in an application, you already know the codes, and you just incorporate it in the main programming chunk. However, whether the system is working or not could be checked by running automated test scripts only. 
  • Accuracy: It limits the human errors that can creep in when you are working on a project that calls for repetitive tasks. 
  • Scalability: It can be scaled easily to cover more extensive testing scenarios as the projects grow. 
  • Consistency: Ensures uniformity in the testing process and results across several environments. 
  • Cost Reduction: Reduces the need for extensive manual testing resources. Manual testing is also important. However, it must be limited to specific use cases only. 

Choosing the Right Automation Scripting Language

With the use of correct scripting language, you can maximize the effectiveness of automated scripts. Popular languages that you can use for testing are as follows: 

  • JavaScript: Compatible with various front-end frameworks and tools like Selenium WebDriver
  • Python: This system is widely used for its simplicity and the robust libraries available for automation. 
  • Java: This is mostly applicable to large-scale applications, and it works effectively with frameworks like Selenium and Appium
  • Ruby: This is often used in conjunction with frameworks like Watir. 
  • C#: Best fit for enterprise environments where Microsoft technologies are used, but it is also compatible with Selenium as well. 

Each language has its strengths and weaknesses, and the choice depends on some factors, like project requirements, functionalities, and compatibility. As per your use case, you can choose a suitable language that perfectly caters to the software requirements. 

How to Create an Automation Script?

In the later section, we will deal with examples of automation testing scripts, before that we will check some key aspects. Understanding these aspects helps in creating an automation script favorable for any use case: 

1. Define Your Objectives Clearly: What do you want to achieve through the script? What are the specific tests that you are trying to do? Any functionality you want to achieve? Integration needs? Answer these questions and define a solid goal for the set of codes you have written. 

2. Choose a suitable framework and language: Once you complete the first point, you need to select a language and framework that aligns with your goals. Please understand that your goal in the first point above is to clearly define the language you need. If any ideation problem occurs there, you need to scrap the code and start afresh, which extends the production timeline. 

3. Write the Script: Write test cases, define the test data, and include all the assertions as we have mentioned above. 

4. Run the Script: Execute the script in a testing environment to observe results. 

5. Debug and Optimize: Address any errors if you have seen them, optimize the code as per changes in initial scripts, and improve the efficiency of your scripts. 

6. Documentation: Create documentation that outlines the script's purpose, structure, and usage for future reference. 

Examples of Automation Scripts 

Now let us look at some of the automation script examples in different contexts: 

Example 1: Web Application Testing with Selenium 

from selenium import webdriver

from selenium.webdriver.common.by import By


# Initialize the WebDriver

driver = webdriver.Chrome()

driver.get("http://example.com")


# Perform actions

login_button = driver.find_element(By.ID, "login")

login_button.click()


# Assertion

assert "Dashboard" in driver.title


driver.quit()

This Python script uses Selenium to navigate a webpage. Perform a login action and verify that the user reaches the dashboard.

Example 2: API testing with Postman 

Postman enables you to create an automation script to test API endpoints by defining a request and verifying a response. Take an example: 

#JavaScript

pm.test("Response status code is 200", function () {

 pm.response.to.have.status(200);  // Check if status code is 200

 pm.response.to.be.json;  // Check if the response is in JSON format

 pm.response.to.have.header("Content-Type", "application/json");  // Check Content-Type header

});



The script checks whether the API returns a status code of 200, indicating a successful request. 

Best Practices for Implementing Automation Scripts 

Ways to implement automation scripts into your code are as follows:

1. Modularize Scripts: Break the scripts into smaller, reusable modules, and make them manageable. 

2. Maintaining Naming Conventions: Use clear, descriptive names for scripts, variables, and functions. 

3. Use Assertions: Implement robust assertions to verify each of the test assertions. 

4. Implement Error Handling: Incorporate exception handling to manage unexpected errors and failures. 

5. Regularly Update: Update scripts regularly as the application evolves gradually to avoid any obsolete test cases. 

6. Optimize the Performance: Eliminate redundancies and ensure that the scripts run as effectively as possible. 

Conclusion

Automation Scripts are a transformative element in software testing, enabling teams to optimize their testing process. Additionally, they help understand the testing process and optimize software quality. 

By understanding the types, components, and benefits of these scripts and implementing best practices, teams can maximize their testing efficiency. Moreover, it helps them achieve better and more consistent outcomes. To learn more about software testing, visit StarAgile today and take advantage of the unmatched quality of the automation testing course

Frequently Asked Questions 

1. What is Automation Scripting Language?

An automation scripting language or automation script is a programming language or syntax used to automate tasks. Popular examples of such languages include JavaScript, Python, and Java, each chosen for its suitability and project needs. 

2. Can Beginners write automation scripts?

Yes, beginners can write automation scripts, they just need guidance from some of the best software testing courses, like StarAgile. With their practical learning approach, they can easily provide advanced knowledge that ultimately helps you get started. 

3. Which Script is Best for Automation?

This is hard to answer in general, but depending on the project, the languages will change. For web applications, you can use JavaScript and Python with Selenium, however there is no fixed rule regarding the choice of language. Simply, you use what suits your needs.

 

 

 

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