Writing and maintaining the test automation code is not always a piece of cake. As a matter of fact, we frequently face many scenarios where automated test cases don’t work as expected and might lead to false positive or false negative results, in such cases, debugging is the only way out.
Softwaretestingtoolsfreeandopensourcefinal 150411221750-conversion-gate01Aravindharamanan S
Software testing is a process, to evaluate the functionality of a software application with an intent to find whether the developed software met the specified requirements or not and to identify the defects to ensure that the product is defect free in order to produce the quality product.
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This document discusses various tools used for test automation including Cobertura, Selenium, JMeter, Bugzilla, and Testia Tarantula. Cobertura is a code coverage tool that calculates test coverage percentages. Selenium is described as a tool for automating web application testing across browsers. JMeter is introduced as a load testing tool focused on analyzing performance of web applications. Bugzilla and Tarantula are mentioned as tools for bug tracking and project/test management respectively in agile software development. The document also discusses integrating these various tools together for a complete test automation framework.
The document discusses why software developers should use FlexUnit, an automated unit testing framework for Flex and ActionScript projects. It notes that developers spend 80% of their time debugging code and that errors found later in the development process can cost 100x more to fix than early errors. FlexUnit allows developers to automate unit tests so that tests can be run continually, finding errors sooner when they are cheaper to fix. Writing automated tests also encourages developers to write better structured, more testable and maintainable code. FlexUnit provides a testing architecture and APIs to facilitate automated unit and integration testing as well as different test runners and listeners to output test results.
The document outlines various techniques for debugging software issues, including:
1. Introduction to debugging techniques like pre-bugging to reduce bugs before they're created through code reviews and testing, and debugging to identify, isolate, and fix errors like syntax errors, logic issues, and runtime errors.
2. An overview of common browser developer tools that help debug web pages and applications, including tools to inspect elements, view the console, examine sources, analyze networks, and improve performance.
3. An explanation of how try-catch blocks in JavaScript can help handle runtime errors by passing the error object with its name and description to the catch block.
This document describes jDriver, an open source Java framework for automating tests using Selenium WebDriver. The framework aims to make test automation easier by providing features like easy execution of test suites with a single click, detailed reporting of test results with screenshots, separation of test data from code for easy maintenance, and support for multiple browsers. It helps reduce test development time through reusable libraries and handles exceptions through detailed error logging.
Selenium is used in many IT companies due to its numerous advantages compared to other automation testing tools in the market.We provide best Selenium training in Chennai with real time scenarios. We are the best training institute in Chennai providing the real time training in Chennai
The document is a test report summarizing the use of Selenium and JMeter to test the Amazon website. Selenium was used to automate tests of searching for a mask, adding it to a cart, and removing it from the cart. JMeter was used to perform load testing. The report finds the tests passed and provides coverage, response time, and performance graphs. Overall, the tools were found to be usable and robust for test automation and load testing of web applications.
Softwaretestingtoolsfreeandopensourcefinal 150411221750-conversion-gate01Aravindharamanan S
Software testing is a process, to evaluate the functionality of a software application with an intent to find whether the developed software met the specified requirements or not and to identify the defects to ensure that the product is defect free in order to produce the quality product.
Software testing tools (free and open source)Wael Mansour
This document discusses various tools used for test automation including Cobertura, Selenium, JMeter, Bugzilla, and Testia Tarantula. Cobertura is a code coverage tool that calculates test coverage percentages. Selenium is described as a tool for automating web application testing across browsers. JMeter is introduced as a load testing tool focused on analyzing performance of web applications. Bugzilla and Tarantula are mentioned as tools for bug tracking and project/test management respectively in agile software development. The document also discusses integrating these various tools together for a complete test automation framework.
The document discusses why software developers should use FlexUnit, an automated unit testing framework for Flex and ActionScript projects. It notes that developers spend 80% of their time debugging code and that errors found later in the development process can cost 100x more to fix than early errors. FlexUnit allows developers to automate unit tests so that tests can be run continually, finding errors sooner when they are cheaper to fix. Writing automated tests also encourages developers to write better structured, more testable and maintainable code. FlexUnit provides a testing architecture and APIs to facilitate automated unit and integration testing as well as different test runners and listeners to output test results.
The document outlines various techniques for debugging software issues, including:
1. Introduction to debugging techniques like pre-bugging to reduce bugs before they're created through code reviews and testing, and debugging to identify, isolate, and fix errors like syntax errors, logic issues, and runtime errors.
2. An overview of common browser developer tools that help debug web pages and applications, including tools to inspect elements, view the console, examine sources, analyze networks, and improve performance.
3. An explanation of how try-catch blocks in JavaScript can help handle runtime errors by passing the error object with its name and description to the catch block.
This document describes jDriver, an open source Java framework for automating tests using Selenium WebDriver. The framework aims to make test automation easier by providing features like easy execution of test suites with a single click, detailed reporting of test results with screenshots, separation of test data from code for easy maintenance, and support for multiple browsers. It helps reduce test development time through reusable libraries and handles exceptions through detailed error logging.
Selenium is used in many IT companies due to its numerous advantages compared to other automation testing tools in the market.We provide best Selenium training in Chennai with real time scenarios. We are the best training institute in Chennai providing the real time training in Chennai
The document is a test report summarizing the use of Selenium and JMeter to test the Amazon website. Selenium was used to automate tests of searching for a mask, adding it to a cart, and removing it from the cart. JMeter was used to perform load testing. The report finds the tests passed and provides coverage, response time, and performance graphs. Overall, the tools were found to be usable and robust for test automation and load testing of web applications.
Using Selenium and JMeter, Sign-in to the Amazon UK website, search for the N99-Mask, add the product to cart and delete it from the cart. Created emailable reports with the help o TestNG and used JMeter for load testing, compared the results analytically.
Selenium provides three main tools for automating web application testing: Selenium IDE, Selenium Core, and Selenium Remote Control (RC). Selenium IDE is a Firefox plugin that allows recording and playback of tests within Firefox. Selenium Core runs tests within a browser but requires the application under test to be hosted on the same server. Selenium RC allows tests to be written in any language and run against remote browsers using a Selenium server.
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Testing Experience - Evolution of Test Automation FrameworksŁukasz Morawski
Implementing automated tests is something that everybody wants to do. If you ask
any tester, test automation is their aim. And while it may be the golden target, very
few testers take pains to assess the required knowledge, under the illusion that a
programming language or expensive tool will suffice to cope with all problems likely
to arise. This is not true. Writing good automated tests is much harder than that,
requiring knowledge this article will make clear
Foundation level testing Concepts,Non function testing ,Non-Functional testing ,Selenium Tool,
What is Software Testing Software Testing is an activity in software development.
It is an investigation performed against a software to provide information about the quality of the software to stakeholders.
Software testing is associated with the two terms.
Validation: Are we doing the right job?
Verification: Are we doing the job right?
Case study "Virtual Show Room" – VSR,water fall model,General Principles of Testing,
The General V-Model
Unit Testing
Component Testing
Integration Testing
System Testing
Acceptance Testing
Play with Testing on Android - Gilang Ramadhan (Academy Content Writer at Dic...DicodingEvent
Testing merupakan (QA) quality assurance dari sebuah produk. Dalam tahap ini kita jadi tahu, bila di dalam aplikasi yang kita buat terdapat bug, eror, atau salah dalam logika kode. Sehingga testing adalah bagian terpenting pada pengembangan aplikasi.
Eror bisa kita identifikasi jauh lebih dini sebelum proses produksi. Jika terjadi kesalahan dalam tahap produksi, itu sudah melibatkan user. Tentunya kerugian di dalam tahap ini akan lebih fatal. Faktanya, biaya perbaikan sebuah aplikasi eror di tahap produksi, lebih besar dibandingkan dengan biaya pengujian sebelum produksi.
Anda akan mempelajari:
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- Apa sebenarnya yang dimaksud testing
- Apa saja tools yang bisa Anda manfaatkan
This presentation has been prepared by Oleksii Prohonnyi for internal Angular.js training to improve skills of newbies in JS/Angular.
Part 1 (Introduction): http://www.slideshare.net/oprohonnyi/dive-into-angular-part-1-introduction
Part 2 (Architecture): http://www.slideshare.net/oprohonnyi/dive-into-angular-part-2-architecture
Part 3 (Performance): http://www.slideshare.net/oprohonnyi/dive-into-angular-part-3-performance
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Test driven development and unit testing with examples in C++Hong Le Van
Test-driven development (TDD) relies on short development cycles of writing a failing test case, producing code to pass that test, and refactoring the code. Unit testing tests individual units of code by isolating each part and showing they work correctly. Boost.Test is a popular C++ unit testing framework that allows organizing tests into suites and fixtures, and provides assertions and output of results. A minimal Boost.Test example defines a test case using BOOST_AUTO_TEST_CASE that contains an assertion like BOOST_CHECK_EQUAL to test that 2+2 equals 4.
The document provides an overview of a presentation on Selenium tool for functional, regression and compatibility testing. It discusses various Selenium concepts like Selenium Core, Selenium IDE, Selenium Remote Control and provides examples of how to create test cases and suites using Selenium. The presentation also covers browser and OS support, languages supported, and limitations of the different Selenium tools.
This document discusses different types of testing in Codeception including unit testing, functional testing, and acceptance testing. It provides examples of how to write tests for each type using Codeception and frameworks like PHPUnit. It also covers topics like using modules, database testing, stubs, and debugging tests.
Selenium is a tool for automating web application testing. It supports multiple browsers and operating systems. Selenium has several components including Selenium IDE for recording and playing back tests in Firefox, Selenium RC for running tests across browsers, Selenium WebDriver for browser automation, and Selenium Grid for distributed testing. Selenium IDE records user actions as scripts, which can then be enhanced and debugged. WebDriver interacts directly with browser APIs for better control and supports the latest technologies. Grid allows running tests in parallel on different browsers and machines.
The document discusses different types and stages of software testing, including:
- Development testing (unit, component, system testing), which occurs during development to discover bugs. This includes test-driven development.
- Release testing, where a complete version of the system is tested before release to users.
- User testing, where potential future users test the system in their own environment.
The document provides details on each type and stage of testing, including guidelines, goals, and advantages. It emphasizes that testing aims to establish confidence that software is fit for purpose.
Selenium is an open source tool for automating web application testing. There are three main variants: Selenium IDE for recording and playing back tests in Firefox, Selenium Core for running tests on a web server, and Selenium Remote Control (RC) for running tests across browsers from any programming language. Selenium RC requires installing a Java server and client library for the chosen language. Tests are then written in that language and can execute across browsers by starting the server. Selenium IDE provides a simple recording and playback option directly in Firefox but has limited browser support.
The document discusses Mozilla's approach to fixing memory leaks through iterative testing and development, including developing test tools as products, collaborating between developers and testers, using reproducible tests, and reporting results to further a culture of testing. Key areas discussed include leak testing Firefox and add-ons using tools like debug builds, Leak Gauge, and Litmus tests. Their process has successfully identified and helped developers fix various memory leaks.
The document discusses Mozilla's approach to fixing memory leaks through iterative testing and development, including developing test tools as products, collaborating between developers and testers, using reproducible tests, and reporting results to further a culture of testing. Key aspects of their process include memory leak testing of Firefox and add-ons after code changes, using tools like debug builds and Leak Gauge, and filing bugs when leaks are found to help developers identify and fix issues. Their efforts have successfully identified various leak types and helped maintain Firefox 3's strong performance.
#ATATalk - Episode 1 : Session on Selenium Exceptions by Pallavi SharmaAgile Testing Alliance
Pallavi Sharma delivered a session on Selenium Exceptions at #ATATalk - Episode 1
Pallavi Sharma is acting as a coach, writer, speaker and owner at 5 Elements Learning where she collaborate and work with many learning enthusiasts and mentors around the globe and use her polyglot skills. An avid learner, she likes to keep herself updated to latest trends and technologies by attending conferences and workshops, and life has been kind enough to provide her with such experiences.
To know more about ATA Events please check : https://ataevents.org/
Data flow analysis is a type of static code analysis that examines how values are propagated through a program. It is more effective than pattern matching or regular static analysis at finding defects related to interactions between methods and classes that may be difficult to uncover through testing alone. Static analysis tools using data flow analysis can simulate execution paths to detect potential issues without requiring the code to be compiled and run. Developers are encouraged to use static testing tools to catch defects early in development, as prevention of bugs is more efficient than finding and fixing them later.
White box testing involves testing the internal logic and structure of a program's source code. It is conducted by developers on each line of code before the software is passed to testers. The main goals are to test paths through the code, loops, conditions, memory usage, and performance. Techniques include path testing, loop testing, condition testing, memory perspective testing, and performance testing. White box testing helps ensure code quality and catch defects early before the software is given to testers for black box testing.
Automated testing helps eliminate tasks that are too time-consuming and laborious to be performed manually but there are many challenges when apply automation testing for your project.
In order to crack all these challenges, in this article, I will not only show you how to create test case and execute automation test in 3 easy steps but also the solution to manage test & reports efficiently.
Source: https://medium.com/@testautomation/execute-automation-testing-3-steps-158bdfc45a12
How to Test Computer Vision Apps like Google Lens and Google Photos.pdfpCloudy
Computer vision technology has made significant strides in recent years, powering innovative applications like Google Lens, CamScanner, Google Photos, etc
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Using Selenium and JMeter, Sign-in to the Amazon UK website, search for the N99-Mask, add the product to cart and delete it from the cart. Created emailable reports with the help o TestNG and used JMeter for load testing, compared the results analytically.
Selenium provides three main tools for automating web application testing: Selenium IDE, Selenium Core, and Selenium Remote Control (RC). Selenium IDE is a Firefox plugin that allows recording and playback of tests within Firefox. Selenium Core runs tests within a browser but requires the application under test to be hosted on the same server. Selenium RC allows tests to be written in any language and run against remote browsers using a Selenium server.
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Testing Experience - Evolution of Test Automation FrameworksŁukasz Morawski
Implementing automated tests is something that everybody wants to do. If you ask
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few testers take pains to assess the required knowledge, under the illusion that a
programming language or expensive tool will suffice to cope with all problems likely
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requiring knowledge this article will make clear
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What is Software Testing Software Testing is an activity in software development.
It is an investigation performed against a software to provide information about the quality of the software to stakeholders.
Software testing is associated with the two terms.
Validation: Are we doing the right job?
Verification: Are we doing the job right?
Case study "Virtual Show Room" – VSR,water fall model,General Principles of Testing,
The General V-Model
Unit Testing
Component Testing
Integration Testing
System Testing
Acceptance Testing
Play with Testing on Android - Gilang Ramadhan (Academy Content Writer at Dic...DicodingEvent
Testing merupakan (QA) quality assurance dari sebuah produk. Dalam tahap ini kita jadi tahu, bila di dalam aplikasi yang kita buat terdapat bug, eror, atau salah dalam logika kode. Sehingga testing adalah bagian terpenting pada pengembangan aplikasi.
Eror bisa kita identifikasi jauh lebih dini sebelum proses produksi. Jika terjadi kesalahan dalam tahap produksi, itu sudah melibatkan user. Tentunya kerugian di dalam tahap ini akan lebih fatal. Faktanya, biaya perbaikan sebuah aplikasi eror di tahap produksi, lebih besar dibandingkan dengan biaya pengujian sebelum produksi.
Anda akan mempelajari:
- Mengapa perlu melakukan testing
- Apa sebenarnya yang dimaksud testing
- Apa saja tools yang bisa Anda manfaatkan
This presentation has been prepared by Oleksii Prohonnyi for internal Angular.js training to improve skills of newbies in JS/Angular.
Part 1 (Introduction): http://www.slideshare.net/oprohonnyi/dive-into-angular-part-1-introduction
Part 2 (Architecture): http://www.slideshare.net/oprohonnyi/dive-into-angular-part-2-architecture
Part 3 (Performance): http://www.slideshare.net/oprohonnyi/dive-into-angular-part-3-performance
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Test driven development and unit testing with examples in C++Hong Le Van
Test-driven development (TDD) relies on short development cycles of writing a failing test case, producing code to pass that test, and refactoring the code. Unit testing tests individual units of code by isolating each part and showing they work correctly. Boost.Test is a popular C++ unit testing framework that allows organizing tests into suites and fixtures, and provides assertions and output of results. A minimal Boost.Test example defines a test case using BOOST_AUTO_TEST_CASE that contains an assertion like BOOST_CHECK_EQUAL to test that 2+2 equals 4.
The document provides an overview of a presentation on Selenium tool for functional, regression and compatibility testing. It discusses various Selenium concepts like Selenium Core, Selenium IDE, Selenium Remote Control and provides examples of how to create test cases and suites using Selenium. The presentation also covers browser and OS support, languages supported, and limitations of the different Selenium tools.
This document discusses different types of testing in Codeception including unit testing, functional testing, and acceptance testing. It provides examples of how to write tests for each type using Codeception and frameworks like PHPUnit. It also covers topics like using modules, database testing, stubs, and debugging tests.
Selenium is a tool for automating web application testing. It supports multiple browsers and operating systems. Selenium has several components including Selenium IDE for recording and playing back tests in Firefox, Selenium RC for running tests across browsers, Selenium WebDriver for browser automation, and Selenium Grid for distributed testing. Selenium IDE records user actions as scripts, which can then be enhanced and debugged. WebDriver interacts directly with browser APIs for better control and supports the latest technologies. Grid allows running tests in parallel on different browsers and machines.
The document discusses different types and stages of software testing, including:
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- Release testing, where a complete version of the system is tested before release to users.
- User testing, where potential future users test the system in their own environment.
The document provides details on each type and stage of testing, including guidelines, goals, and advantages. It emphasizes that testing aims to establish confidence that software is fit for purpose.
Selenium is an open source tool for automating web application testing. There are three main variants: Selenium IDE for recording and playing back tests in Firefox, Selenium Core for running tests on a web server, and Selenium Remote Control (RC) for running tests across browsers from any programming language. Selenium RC requires installing a Java server and client library for the chosen language. Tests are then written in that language and can execute across browsers by starting the server. Selenium IDE provides a simple recording and playback option directly in Firefox but has limited browser support.
The document discusses Mozilla's approach to fixing memory leaks through iterative testing and development, including developing test tools as products, collaborating between developers and testers, using reproducible tests, and reporting results to further a culture of testing. Key areas discussed include leak testing Firefox and add-ons using tools like debug builds, Leak Gauge, and Litmus tests. Their process has successfully identified and helped developers fix various memory leaks.
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#ATATalk - Episode 1 : Session on Selenium Exceptions by Pallavi SharmaAgile Testing Alliance
Pallavi Sharma delivered a session on Selenium Exceptions at #ATATalk - Episode 1
Pallavi Sharma is acting as a coach, writer, speaker and owner at 5 Elements Learning where she collaborate and work with many learning enthusiasts and mentors around the globe and use her polyglot skills. An avid learner, she likes to keep herself updated to latest trends and technologies by attending conferences and workshops, and life has been kind enough to provide her with such experiences.
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Data flow analysis is a type of static code analysis that examines how values are propagated through a program. It is more effective than pattern matching or regular static analysis at finding defects related to interactions between methods and classes that may be difficult to uncover through testing alone. Static analysis tools using data flow analysis can simulate execution paths to detect potential issues without requiring the code to be compiled and run. Developers are encouraged to use static testing tools to catch defects early in development, as prevention of bugs is more efficient than finding and fixing them later.
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Automated testing helps eliminate tasks that are too time-consuming and laborious to be performed manually but there are many challenges when apply automation testing for your project.
In order to crack all these challenges, in this article, I will not only show you how to create test case and execute automation test in 3 easy steps but also the solution to manage test & reports efficiently.
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Different Techniques Of Debugging Selenium Based Test Scripts.pdf
1. Different Techniques Of Debugging
Selenium Based Test Scripts
Different Techniques Of Debugging Selenium Based Test Scripts
Writing and maintaining the test automation code is not always a piece of cake. As a
matter of fact, we frequently face many scenarios where automated test cases don’t
work as expected and might lead to false positive or false negative results, in such
cases, debugging is the only way out. Debugging is the primary skill set that an
automation tester must adopt. It increases the morale and confidence in automation
testers to provide a better code solution to fix the problem permanently.
Debugging issues in the test automation framework becomes more complicated
when the test automation framework has a huge number of test cases. With the
expansion of features in the application, the number of test cases gradually
increases. In such a scenario, fixing complex issues of hybrid frameworks might
require enhanced techniques of debugging. In this article, we will deep dive into such
essential debugging techniques that will not only fix script issues easily but also save
a good amount of debugging time.
2. What is Debugging?
In simple terms, debugging is a process of software engineering to identify and
resolve an error in the source code by adopting various debugging techniques.
Debugging is basically divided into four common stages:
1. Identification: The first step of debugging is to discover the issue and try reproducing
the same in the local system to know why the issue occurred. This is an important
step as we need to identify the root cause of the issue to deploy a permanent
solution.
1. Isolation: Is the second step where the idea is to separate the buggy code from the
healthier code. The unit testing of buggy code is required to identify the steps that
need to be performed to fix the issue. Isolation of buggy code would further reduce
time and not affect the other code.
1. Resolution: This is the primary step towards fixing the buggy code. This stage is
dependent on the above two mentioned stages, the resolution can be deployed as
soon as the above two stages are completed. Few tips for fixing the code:
Deep dive into the code and libraries being used to get an understanding about the
working of the framework
Refer the proper document and solutions on StackOverflow
Execute the code in debug mode
Perform code walkthrough and unit testing in the local system
Refactor or re-design the framework architecture in the worst case scenario
1. Review: This is the final stage of debugging that developers usually try to skip.
Reviewing is done to ensure that the fix deployed is working fine and not hampering
the other code. Ideally, the review should be done by both i.e the developer who
actually fixed the buggy code and by the other developer who is responsible for
reviewing and giving a green signal for code merge.
3. Various Techniques Of Debugging Test Automation Scripts
The number of automated test cases does not always work smoothly, as a matter of
fact, the change in UI of an application or change in business logic of an application
can ruin the execution of Selenium based test scripts. The reason for test script
failure is not always a buggy code in the test automation framework, but can also fail
due to the bug found in the application itself. Hence, the proper use of assertions is
mandatory to identify the basic reason for test case failure before moving to an
advanced level of debugging.
Whenever we are developing the Selenium Test Automation framework from
scratch, it is important to have utilities imported to help improve the debugging of
source code. At the time of failures, it becomes very challenging to debug the buggy
code with the usual java console output. To overcome such challenges, let’s have a
look at the debugging techniques that can make developers life easy:
1. Debugging With Logging Utilities
Logging utilities help developers to output a variety of logs as per the target. In case
of issues in the test scripts, the logging can be enabled to identify the exact location
of buggy code.
Let’s consider an example of Log4j logging framework. This is a Java based open
source framework and can be used for logging purposes by just importing the maven
dependency.
4. Now let’s have a quick look at the different component of Log4j:
Loggers : It contains all the information about the logging level. Loggers offer different
severity levels for logs. The initial step is to create an object of Logger class:
Logger logger = Logger.getLogger(“ClassName”);
There are 5 kinds of severity log levels that Logger provides:
All
Debug
Info
Warn
Error
Fatal
Off
Appenders : The logs that have been generated with the above mentioned types of
severity log levels have to be pushed to the destination to view the logs, this role is
performed by appenders. It sends the log events to the destination folder or prints on
console as per the configuration done. There are three types of appenders available to
output the logs:
ConsoleAppender
FileAppender
Rolling File Appender
Layouts : Layouts provide different methods for formatting of the logs. The logging
information can be formatted in different formats with the below provided methods:
5. Public static Logger getRootLogger()
Public static Logger getLogger (String name)
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2. Capturing Screenshots
Usually when we execute our regression or smoke test suite, we don’t observe the
execution for long hours. Hence, we would always want to know where exactly the
test case failed so that we can take the necessary steps towards fixing the issue.
The idea that can be adopted to fulfill such a case is to capture a screenshot of the
webpage at the moment where the test script failed. And later, as a part of
debugging, looking at the screenshots we can easily identify where our test method
failed.
Selenium provides an interface TakesScreenshot that can be used to capture
screenshots of web pages. To get the execution result/status of the test method, we
can use the ITestResult interface.
import java.io.File;
import org.apache.commons.io.FileUtils;
import org.openqa.selenium.By;
6. import org.openqa.selenium.OutputType;
import org.openqa.selenium.TakesScreenshot;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.chrome.ChromeDriver;
import org.testng.Assert;
import org.testng.ITestResult;
import org.testng.annotations.AfterClass;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
import io.github.bonigarcia.wdm.WebDriverManager;
public class TestScript {
private WebDriver driver;
public String expectedTitle = “This is a wrong title”;
@BeforeClass
public void setup() {
WebDriverManager.chromedriver().setup();
7. driver = new ChromeDriver();
}
@Test
public void verifyLoginPage() {
driver.get(“https://www.pcloudy.com/”);
WebElement loginButton =
driver.findElement(By.xpath(“//a[text()=’Login’]”));
loginButton.click();
String actualTitle = driver.getTitle();
Assert.assertEquals(actualTitle, expectedTitle,
“Login Page Title didn’t matched with the expected title”);
}
@AfterMethod
public void screenShot(ITestResult result) {
if (ITestResult.FAILURE == result.getStatus()) {
try {
TakesScreenshot screenshot =
8. (TakesScreenshot) driver;
File src =
screenshot.getScreenshotAs(OutputType.FILE);
FileUtils.copyFile(src, new
File(“/home/ramit/Pictures/” + result.getName() + “.png”));
System.out.println(“Screenshot captured of
failed test case”);
} catch (Exception e) {
System.out.println(“Exception
occured while taking screenshot ” + e.getMessage());
}
}
}
@AfterClass
public void tearDown() {
driver.quit();
9. }
}
3. Session Recording
This is another advanced way of debugging. As the execution time of a regression
suite is too long, it is difficult to sit tight and observe the entire execution of the
constantly failing test cases. In such cases we can enable the session recording and
save it for future debugging purposes. Many times, the test cases failing in the
regression suite aren’t reproducible when executed as a single class, in such
scenarios, test session recordings are the best way out. With this, we can easily
visualize and validate the test actions and ensure that no unexpected alerts and
elements are popping up.
Session recording is an enhanced level debugging comparative to logs or
screenshot capturing but it is probably useful when the test suite contains a huge
number of test cases. With the session recording, we can also get to know about the
server performance and UI usability, and can also be shared with developers in case
the bugs are found in the production/staging environment to replicate the bug
easily.
Since there is no direct support from Selenium to record test sessions, you may use
a third party tool like Monte Media Library. If you want to skip writing the code to
record selenium sessions, you can also install third party software in your physical
machine for screen recording like SimpleScreenRecorder, this also provides a
feature to schedule the recording.
10. 4. Adding Breakpoints
Breakpoints are a part of IDE that can temporarily halt the execution of the code.
Once the execution gets paused at the breakpoint, we can acquire data of the
essential elements in the source code. The debugging with breakpoints can be done
easily with the below sequence:
Set up the breakpoints where buggy code is observed
Execute the source code in debug mode
Validate the data returned in debugger
Resume the debugging if multiple breakpoints are added
Stop the debug mode execution
Fix error and deploy the code
The above is a screenshot of the Intellij IDE in which 4 breakpoints are added. The
checkmarks appear on the added breakpoints at run-time as soon as the breakpoint
is recognized by the debugger. In case multiple breakpoints are added in the code,
the execution can be resumed by pressing F9 to acquire data from different
breakpoints.
11. Debugging with breakpoints leverages automation testers to fix the issues in
interactive mode.
5. Debugging Selenium Tests On Already Opened Browser
Many times it so happens that only the last few steps of the test method are
observed as constant failures. In such cases, we can fix the buggy code and execute
the entire test again. This consumes a lot of execution time and till then we have to
sit tight to observe whether the updated code at the end of the test method is
working fine or not.
To overcome this situation, we can debug selenium based test scripts on an already
opened browser. Firstly, we can launch the browser manually and perform the web
actions manually that works fine with the test script and then execute only the buggy
code or fixed/updated code. This would save time in executing healthier code and
will only execute the code that needs to be verified.
To achieve this use case, we would be using Chrome DevTools Protocol that allows
clients to inspect and debug chrome browsers. To launch chrome on remote
debugging port, we need to run below command for Linux:
google-chrome –remote-debugging-port=9222 –user-data-dir=<some directory path>
For remote debugging port, you can specify any open port.
For the user data directory, you need to specify the directory where the new
chrome profile will be created.
12. Once you run the above mentioned command on the terminal, the fresh chrome
browser should get launched.
Example :
Considering a test of the pCloudy login page, let’s open the pCloudy
website manually on this debugging chrome browser and then let’s execute the
below script from the next required step.
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.chrome.ChromeDriver;
import org.openqa.selenium.chrome.ChromeOptions;
import org.testng.Assert;
import org.testng.annotations.AfterClass;
13. import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
import io.github.bonigarcia.wdm.WebDriverManager;
public class TestScript {
private WebDriver driver;
public String expectedTitle = “Remote Mobile Web &
Application Testing on Real Android Devices – pCloudy”;
@BeforeClass
public void setup()
{
WebDriverManager.chromedriver().setup();
ChromeOptions opt = new ChromeOptions();
opt.setExperimentalOption(“debuggerAddress”,
“localhost:9222”);
driver = new ChromeDriver(opt);
14. }
@Test
public void verifyLoginPage()
{
//driver.get(“https://www.pcloudy.com/”);
WebElement loginButton =
driver.findElement(By.xpath(“//a[text()=’Login’]”));
loginButton.click();
driver.findElement(By.id(“userId”)).sendKeys(“ramit.dhamija@gmail.com”);
String actualTitle = driver.getTitle();
Assert.assertEquals(actualTitle,
expectedTitle,”Login Page Title didn’t matched with the expected
title”);
}
15. @AfterClass
public void tearDown()
{
driver.quit();
}
}
Code Walkthrough:
Once we have opened the pCloudy website manually on debugging chrome
browser, we have then executed the above test script to continue from the same
opened browser.
To set up the test on an already opened browser, we have used Chrome Options set
Experimental Option method to set the experimental option i.e. debugger Address.
The debugger address would be the same address on which the debugging chrome
is launched.
6. Parallel Execution and Debugging
In an era where fast feedback loops are crucial, parallel execution of tests has
become an essential practice. Selenium supports running tests in parallel, which
helps in significantly reducing the test execution time. However, running tests in
16. parallel can introduce new debugging challenges.
What is Parallel Execution?
Parallel execution involves running multiple tests simultaneously rather than
sequentially. This is particularly useful in large test suites, which can take a long time
to execute. By distributing the tests across multiple threads or processes, you can
cut down the execution time considerably.
Challenges in Debugging Parallel Tests
Shared Resources: When tests run in parallel, they may access shared resources like files
or databases. This can cause conflicts if not managed properly.
Non-deterministic Failures: Sometimes a test may fail when run in parallel but pass when
run alone. These non-deterministic failures are hard to debug.
Isolation of Logs: When multiple tests are running concurrently, logs can become
intertwined, making it difficult to trace which log statements belong to which test.
Strategies for Debugging
Resource Isolation: Ensure that each test has its own set of resources (e.g., separate
database instances, unique file names).
Thread-Safe Coding Practices: Employ coding practices that are safe for multi-threaded
environments. For instance, avoid using static variables that can be accessed by multiple
threads.
Structured Logging: Implement structured logging where each log entry is tagged with the
specific test or thread it belongs to. This will help in filtering logs for a particular test.
Failing Fast: If possible, configure your test runner to stop on the first failure. This makes it
easier to focus on debugging the first issue before proceeding.
Running Tests in Isolation: If a test fails in parallel execution, run it in isolation to
determine if the failure is due to parallel execution or an issue with the test itself.
17. 7. Using Selenium Grid for Cross-Browser Testing
Cross-browser testing is an important aspect of ensuring that your web application
works consistently across different web browsers and operating systems. Selenium
Grid is a powerful tool that allows you to perform cross-browser testing.
What is Selenium Grid?
Selenium Grid is a part of the Selenium Suite specialized in running multiple tests
across different browsers, operating systems, and machines in parallel. It has two
main components: the Hub and the Nodes. The Hub acts as a central point that will
receive the test to be executed along with information on which browser and ‘OS’
configuration it should be run. Nodes are the machines that are attached to the Hub
and will execute the tests on the desired browser and platform.
Setting up Selenium Grid
1. Download Selenium Server: Download the Selenium Server (Grid) from the Selenium
website.
2. Start the Hub: Use a command-line tool to navigate to the location of the Selenium
Server jar file and start the hub using the command: java -jar selenium-server-
standalone-<version>.jar -role hub
3. Register Nodes: On each of the node machines, navigate to the location of the
Selenium Server jar file and register the node with the command: java -jar selenium-
server-standalone-<version>.jar -role node -hub http://<hub-ip>:4444/grid/register
18. Debugging Strategies
Browser-Specific Issues: Sometimes, an issue may occur only in a specific browser. You
need to identify whether the problem is with the browser’s rendering or with your test.
Checking Compatibility: Ensure that the Selenium bindings are compatible with the
browser versions you are using.
Log Analysis: Analyze the logs generated by Selenium Grid to pinpoint any issues in
communication between the Hub and Nodes.
Visual Inspection: Sometimes, issues might be due to elements rendering differently on
different browsers. Visual inspection helps in these cases.
Isolate Issues: If a test fails on one of the node machines, try running the test locally on
the same browser and OS combination to isolate whether the issue is with the Grid setup
or the test.
Conclusion
No matter how careful we are in writing the test cases, there is always a chance that
it will fail by either producing false positives or false negatives. Using the right
technique to debug these failed test cases becomes a crucial step to leverage
automation test scripts. Here we have discussed in detail some of the techniques
you can use when debugging Selenium based Test scripts. Learning to write test
scripts is vital but knowing how to debug them when it fails is also a much sought
after skill. We hope these few tips will help you debug test scripts better and
effectively use selenium automation.