🚀 NEW: Pop-up Windows Recording - [See how to test seamlessly OAuth integrations](https://docs.bugbug.io/recording-tests-steps/record-pop-up-window-actions)

Product Updates

Application Consultant working as a Tech Writer


[https://www.linkedin.com/in/dominikdurejko/](https://www.linkedin.com/in/dominikdurejko/)

Dominik Szahidewicz

Testing user flows that involve pop-up windows, such as third-party logins like Google Auth or as third-party payments like PayPal, has long been the bane of QA engineers and developers alike. 

Traditional testing tools often stumble when a new window appears, disrupting the smooth automation of test scripts. 

But what if you could record and automate these actions just as easily as any other step in your user flow? 

This is where BugBug's innovative feature for recording actions on pop-up windows shines, offering a seamless testing experience.

[Check BugBug's documentation for more information.](https://docs.bugbug.io/recording-tests-steps/record-pop-up-window-actions)

## The Pop-Up Challenge in Automated Testing

Picture this common scenario: a user attempts to log into their account using an external service like Google. A pop-up window appears, they authenticate successfully, and the pop-up closes, bringing them back to the main application. 

Automating this flow has typically been complex, as testers must handle the switch between the main window and the pop-up, not to mention ensuring the pop-up's actions are recorded accurately.

**BugBug simplifies this by cleverly transforming pop-up windows into new browser tabs.**

## Step-by-step pop-up window handling instruction

**1. Start the Recording:** Initiate a new test or edit an existing one within BugBug.

![BugBug Login Test ](https://bugbug-homepage.s3.eu-central-1.amazonaws.com/Group_1_259ac7938f.png)

**2. Trigger the Pop-Up:** Click the element that would normally trigger a pop-up window. BugBug steps in here, redirecting the pop-up to open in a new browser tab instead.

![login button click test recording](https://bugbug-homepage.s3.eu-central-1.amazonaws.com/Group_2_b2b34d8012.png)

**3. Automated Context Switch:** The testing context automatically shifts to this new tab, allowing you to perform necessary actions, such as logging in via an external service, without manual intervention.

![login auth window step recording](https://bugbug-homepage.s3.eu-central-1.amazonaws.com/Group_3_9ab081ceb7.png)

**4. Complete the Flow:** Go through the login steps as needed. BugBug records all these actions as if they were happening in a pop-up window.

![login auth step context change recording](https://bugbug-homepage.s3.eu-central-1.amazonaws.com/Group_4_01773cce09.png)

**5. Seamless Transition:** Once the login or action in the new tab is complete, it closes automatically, mimicking the behavior of a pop-up. The testing context then switches back to the main tab.

**6. Continue Recording:** With the focus back on the main application, you can carry on recording subsequent actions.

[Read more about pop-up window actions.](https://docs.bugbug.io/recording-tests-steps/record-pop-up-window-actions)

## Benefits of BugBug's Approach

**- No Pop-Up Blockers:** With pop-ups being redirected to tabs, there's no need to worry about pop-up blockers interfering with your tests.


**- Consistent Context:** Testers no longer need to manually switch contexts, reducing the risk of errors and saving valuable time.


**- Accurate Recording:** Every action within the pop-up is recorded with the same fidelity as other steps, ensuring a comprehensive test script.


**- Streamlined Test Flows:** The automated closing of tabs after the action streamlines the flow, closely replicating the user's experience.

**Say goodbye to the hassles of pop-up window testing and hello to streamlined, efficient automation with BugBug.**


<br/><br/>

* * * * *



In conclusion, BugBug's feature allows QA teams to record and automate tests involving pop-up windows effortlessly, offering a much-needed solution to a longstanding issue in test automation. 

Whether it’s a third-party authentication or any other pop-up driven interaction, BugBug ensures that your automated testing is as close to real-world user behavior as possible. 



**Happy (automated) testing!**


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New Feature: Pop-Up Window Recording

[TABLE_OF_CONTENTS]

**Integrating BugBug with Slack** can significantly improve your workflow by ensuring you're always informed about essential updates and changes. It can streamline your workflow, ensuring that every team member is up-to-date with the latest developments and can react swiftly to any arising issues. 

In this comprehensive guide, we will delve into the details of how to seamlessly integrate Slack with BugBug, empowering your team to maintain a tight-knit development and testing process. 

Check also [BugBug documentation](https://docs.bugbug.io/integrations/slack) for more information. 

->[Automate your tests for free](https://app.bugbug.io/sign-up/){.markdown-cta}<-


## Why Should You Integrate Slack with BugBug? 

With Slack integration, your productivity is **boosted** and your teams stay informed and responsive to changes. 

- Real-time updates enhance team testing and issue management.

- Clear notifications provide a better understanding and context.

- Flexible messaging options adapt to team preferences.

- Detailed alerts for issues offer improved context for quicker troubleshooting.

- Instant updates facilitate faster issue resolution.

- Assists in maintaining control over software quality.


## How To Integrate Slack with BugBug?

BugBug's integration for Slack is designed to elevate your testing and issue management to a whole new level. The guide will walk you through the different methods of integration, from setting up Slack message alerts and webhooks to utilizing the prowess of Zapier for enhanced automation capabilities.

### Creating a Slack Message Alert:

- Ensure subscription to a paid plan on BugBug, as Slack integration isn't included in the free tier.

- Navigate to the "Integrations" page to find Slack among other options.

- Click on "Manage" next to Slack to proceed.

- Press the "Connect" button to initiate integration with your Slack workspace.

- Authorize BugBug's access to your Slack workspace for integration.

- Customize your alerts on the "Integration Details" page by configuring settings.

![slack 1 .webp](https://bugbug-homepage.s3.eu-central-1.amazonaws.com/slack_1_6b3c0aaffb.webp)

- Choose the message type and designate recipients for the notifications.

- Finalize settings to start receiving Slack messages that keep your team updated.

![slack 2 .webp](https://bugbug-homepage.s3.eu-central-1.amazonaws.com/slack_2_ac279395ac.webp)

->[Automate your tests for free](https://app.bugbug.io/sign-up/){.markdown-cta}<-


### Creating a Webhook Alert:

- Start by creating a webhook in Slack following Slack’s own setup guide.

- Go to BugBug's "Alerts" page to begin setting up a new alert.

- Initiate a "New alert" and select an event to trigger the alert, like the completion of a test suite.

- Provide necessary details for the event under "When" section.

- In the "Then" section, choose the "Send webhook" option.

- Set the request method to POST, which is the method Slack requires.

- Input the Slack webhook URL you received during the Slack setup process.

- Construct your JSON payload in the Body field, for example: `{"text": "Suite "{{suiteName}}" finished"}`.

- Refer to Slack's formatting guide for creating more complex message payloads.

- Test the webhook by clicking "Trigger Alert" to ensure functionality.

![slack 3 .webp](https://bugbug-homepage.s3.eu-central-1.amazonaws.com/slack_3_b606d094b8.webp)

- Once tested successfully, you’re ready to receive real-time alerts in Slack from BugBug.

### Using Zapier Integration:

- If you're new to Zapier, you'll want to start by creating an account on their website, or simply log in if you're already a user.

- Once logged in, the "My Apps" section awaits you on the top menu bar, where you can manage your connected applications.

- Click on "Connect a new account..." to start the integration process.

- Search for and select BugBug to add it to your Zapier setup.

- Authenticate your BugBug account for a secure connection.

- Once authenticated, Zapier is ready to integrate with BugBug.

- Use Zapier to create "Zaps," which are automated workflows.

- Opt for pre-designed Zaps or customize your own in the Zap Editor.

- Enhance your workflow efficiency through automation with Zapier and BugBug.

Check out [Zapier documentation](https://docs.bugbug.io/integrations/zapier) for more details. 


->[Automate your tests for free](https://app.bugbug.io/sign-up/){.markdown-cta}<-


## Final Thoughts

**Integrating BugBug with Slack** is more than just connecting two platforms; it's about supercharging your productivity and bringing seamless automation to your workflows. 

So, why wait? Dive in and explore the wonders of automation today! 
 

[Slack x BugBug Integration - Documentation](https://docs.bugbug.io/integrations/slack)


Happy (automated) testing! 



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New Integration: Slack x BugBug

Selenium IDE is a tool for recording and launching application tests. It was created by Shinya Kasatani in 2006 (sic!) and is based on „record & playback” idea, which nowadays is no longer a novelty. The problem with most of the tools available on the market (including Selenium IDE) is not the outdated idea, which basics still can be perceived as elegant, but its realisation. Below we listed the biggest accusations that can be directed towards Selenium IDE and solutions to them offered by the tool named BugBug.

## Generation of improper elements’ selectors

While recording the application tests, the newest version of Selenium IDE is able to generate several selectors for the element with which the interaction was made. The problem is that this tool doesn’t give you the possibility to configure which type (or types) of selectors should be set as default ones. It also prefers wrong approach to the generation of selectors, based on the names of the CSS classes. Nowadays, when CSS-in-JS approach is becoming more and more popular (i.a. due to [styled-components](https://styled-components.com/), which generate random class names), it makes the user responsible for modification of all selectors generated during the recording session. The result is that the work that should be automatically done by the tool is done manually and at a much slower pace by the user.
->[Automate your tests for free](https://app.bugbug.io/sign-up/){.markdown-cta}<-

## Solution to the problem provided by the BugBug

During a recording session, BugBug – just as Selenium IDE – generates many selectors for the elements with which interaction was made. The difference is that in this case the user decides about the hierarchy of the generated selectors. It can be easily modified in the configuration of the project:

![bb-blog-6-1.png](https://bugbug-homepage.s3.eu-central-1.amazonaws.com/bb_blog_6_1_373223ad89.png)

Thanks to this solution you have complete freedom and control over the generated selectors – you just act accordingly to the project requirements. Nowadays, testing in the projects very often is based on the data-test or data-testid attributes, that are also preferred by the BugBug. However, if you have to deal with the older type of the project, you can always prioritize generation of the selectors based on the CSS classes or elements ID. The key here is that the user independently decides what he needs and changes configuration of the project accordingly.

While recording the application tests we are not always sure if the selectors are correct. That is why the BugBug at the first launch and after each change in the test verifies selectors and corrects them if there is such a need – for example if the selector disappeared for some reason (it could be caused by the random CSS classes) or it points to the improper element. Thanks to implementation of these mechanisms interference of the tester with the process of the selectors’ selection is reduced as much as possible. He also saves his precious time, so far wasted for manual searching and creation of the selectors.
->[Automate your tests for free](https://app.bugbug.io/sign-up/){.markdown-cta}<-

## Lack of active waiting for the elements (waiting conditions)

Another common problem with the record & playback tools, which concerns also Selenium IDE, is lack of active waiting for the elements with which interaction should be made. In practice it works like that: if the chosen element is embedded on the website (in DOM), Selenium IDE attempts to interact with it, even though it can be invisible, moves, animates or is covered by another element (loading overlay). The result of such scheme of actions are so-called “flaky tests”. This notion defines the tests which once work, and another time they don’t. The reason for such behaviour is very often lack of appropriate waiting conditions for the element with which the interaction is to be made.

## Solution to the problem provided by the BugBug

Creators of the BugBug took into account defects of the tools available on the market and effectively addressed them. On the level of the project configuration you can define waiting conditions that have to be met so that the interaction with the element could proceed:

![bb-blog-6-2.png](https://bugbug-homepage.s3.eu-central-1.amazonaws.com/bb_blog_6_2_1eed216be1.png)

The global configuration of the project is inherited within all steps of the test. Of course there is also possibility to overwrite this configuration on the level of the single step. You can also add additional conditions there, such as waiting for the page reload:

![bb-blog-6-3.png](https://bugbug-homepage.s3.eu-central-1.amazonaws.com/bb_blog_6_3_ed8486fb8b.png)

Thanks to this solution BugBug emulates the human behaviour, what means that it waits for an appropriate moment to proceed with the particular step of the test. The tool can actively wait when:

- element animates or changes its characteristics (CSS animations and transitions): the tool identifies that the element animates/moves and waits till the end of this process.
- element is invisible: BugBug’s mechanism is able to assess whether the element is in fact visible for the user. If so, it proceeds with the planned steps.
- element is covered by another element.
- element is inactive.
- element changed its position: the tool is able to identify change of the element’s position while it is proceeding with the step. In such a scenario the interaction is repeated.
 competitors.

Implementation of all the mechanisms listed above reduces the risk of „flaky tests” to minimum. Thanks to that BugBug offers much more stable tests than its competitors.
->[Automate your tests for free](https://app.bugbug.io/sign-up/){.markdown-cta}<-

## Misleading process of replaying the steps (with the use of JavaScript)

Selenium IDE as well as most similar tools available on the market proceeds with the steps of the test that only partially emulate behaviour of the average user. In practice it means that tests recorded this way can behave very unpredictably, leading to serious errors. It would be easier to explain with the use of the specific example:

The step click on any „Log in” button realised within Selenium IDE would trigger the following event in the JavaScript browser:

- click

## Solution to the problem provided by the BugBug

The same step realised in BugBug results in the sequence of the following events:

- mousemove
- mouseover
- mouseenter
- mousedown
- mouseup
- click

The difference described above stems from the constraints of the Selenium IDE architecture, which can emulate the user’s behaviour only with the use of JavaScript. Architecture of the BugBug and implementation of the [Chrome DevTools Protocol](https://chromedevtools.github.io/devtools-protocol/) gives it full control over the browser. Thanks to it the behaviour of the user can be accurately emulated. It is crucial in testing contemporary, very extensive and complex applications (Single Page Applications).

## Application tests are not launched separately

Majority of the record & playback tools has a problem with performing the tests separately. It results in a situation, when launch of the particular test impacts another one. The problem resides in the fact that cookies or localStorage mechanism in the browser are shared between windows and tabs. When you use Selenium IDE, you have to always delete cookies (or localStorage) and remember about the necessity to clear this data between the tests.

## Solution to the problem provided by the BugBug

Despite the fact that the problem described above is simply burdensome, it also causes flaky tests. To prevent this, application tests in BugBug are by default performed separately with the use of Incognito mode in the browser. Thanks to that QA who builds the tests doesn’t have to remember about cookies, localStorage and other data sharing mechanisms in the browser. Tests are isolated regardless of whether you launch them in the browser or in the cloud.

![bb-blog-6-4.png](https://bugbug-homepage.s3.eu-central-1.amazonaws.com/bb_blog_6_4_136c914e62.png)

## Launching tests in the cloud is impossible

Selenium IDE was created many years ago, when cloud and SaaS services weren’t so widespread as they are nowadays. As a result, Selenium IDE functions only as the browser ad-on and doesn’t offer testing in the cloud. Tests created with the use of Selenium IDE can be exported to the chosen programming language and then launched within your own infrastructure (or with the use of some commercial solution).


Solution to the problem provided by the BugBug

BugBug from the very beginning was designed as a tool that aims at supporting the whole testing process (end-to-end). It enables for:

- [recording and easy editing of the tests.](https://docs.bugbug.io/core-features/recording-the-tests)
- launching of the tests locally, within user’s browser, in order to verify the tests.
- planning and launching application tests in the cloud (through www interface as well as CLI tool).

Look in our previous post to see [10 features every test automation tool should have](https://new.bugbug.io/blog/10-features-every-test-automation-tool-should-have/).

Thanks to that you receive one, integrated tool that can be used for creation and launching of the tests as well.

![bb-blog-6-5.png](https://bugbug-homepage.s3.eu-central-1.amazonaws.com/bb_blog_6_5_94ab9b819c.png)
->[Automate your tests for free](https://app.bugbug.io/sign-up/){.markdown-cta}<-

## Lack of support for the Page Object Model (POM) pattern

Page Object Model (POM) is a verified design pattern for end-to-end tests, which enables you to freely re-use steps within the tests, thus simplifying its maintenance. This pattern bases on creating group of steps that represent pages of tested Internet application as so-called Page Object. Thanks to that after you create “Log in” Page Object you can use it multiple times – in each test that requires logging in. If the log in form changes, it suffices that you fix the test in one place – as a consequence all tests based on “Log in” Page Object would be changed accordingly.

Unfortunately, Selenium IDE doesn’t support creation of the tests based on the Page Object Model. Steps in each test are strictly assigned to it. When you have many tests scenarios that use the same steps, if one step stops working, you have to fix it separately in each test.

## Solution to the problem provided by the BugBug

BugBug was designed to support Page Object Model pattern from the very beginning. This tool enables you to freely group the steps in tests and use them as re-usable elements. What is more, a natural consequence of such an approach is the possibility of creating visualisation of the tests in one, coherent graph. Such presentation of all tests gives you clear information about which business paths within the project are covered with end-to-end tests.

![bb-blog-6-6.png](https://bugbug-homepage.s3.eu-central-1.amazonaws.com/bb_blog_6_6_bf3d39ac25.png)

## Summary

![bb-blog-6-7-768x480.png](https://bugbug-homepage.s3.eu-central-1.amazonaws.com/bb_blog_6_7_768x480_7b04bf2e6c.png)


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Application Tests: BugBug vs Selenium IDE

Reliable, modern end-to-end test automation tool that improves testers’ and developers’ work.


Software Testing Knowledge

Before you release your product into the market, it is extremely important to properly test whether it’s functioning as intended. To do that, software developers utilize a variety of testing techniques that verify the software’s integrity. To thoroughly check their software from start to finish, developers implement **End-to-End testing**, often simply called **E2E** testing – an elaborate technique that mimics end user experience. 

There are many layers to End to End testing, as it is one of the most complex testing methods. This type of testing involves testing every part of your software that the end-user interacts with in any imaginable way.

With this guide, we want to show you the importance of E2E tests, as well as tell you precisely what they are, including a few specific examples.

**Also see:** if you're new to software automation, take a look at this [beginner's guide to automation with step-by-step screenshots](https://docs.bugbug.io/in-depth-guides/beginners-tutorial-to-automation-testing).

[TABLE_OF_CONTENTS]

## What exactly is End-to-End testing?

**End-to-End testing** is one of the most useful and informative techniques for software testing, providing valuable data about the inner workings of the program from the end-user perspective. With E2E testing, developers can thoroughly verify the behaviour of their software. During the test, you will be trying to replicate key user behaviour scenarios when using your software. The actual list of things to do varies, depending on the type of software you’re testing – but in all cases, it is rather extensive.

When performing a software testing method, like an End-to-End test on a web application, you would start with opening your browser and navigating to the proper URL, and then proceeding to use the software as intended for the end-user.

Similarly, in the case of a regular desktop application or mobile application, you would open the app just like a user would, checking out every bit of functionality that is intended for the users to work with. Keep in mind that during E2E testing you won’t need to check developer-specific aspects of the software, only the end-user perspective if it is important to you.

## End-to-End test goals

During an E2E test, your goal is to verify all of the dependencies and data integrity that directly or indirectly influence the reception of the software by the end-user. This usually includes any external services, as well as databases used by the software and metrics, as well as any other system dependencies. 

E2E tests will ideally be performed in the production environment, but this isn’t always possible. The tests can, of course, be performed in an independent End-to-End testing environment, but you should make sure it is as close to the production environment as possible.

Within the SDLC process, E2E tests are performed in the Testing phase, which is situated after Coding and before Deployment. 
->[Automate your tests for free](https://app.bugbug.io/sign-up/){.markdown-cta}<-


## Why is End-to-End testing important?

Is End-to-End testing necessary? It is true that more and more developers make sure to implement an E2E testing phase before the final deployment of their software. There are many benefits to E2E tests, but the most crucial ones are:

- The ability to verify software performance from the end-user perspective
- Testing verifies not only the software itself but also any interrelated sub systems, increasing test coverage
- Validation of back-end systems
- Immediate end-user-like feedback on test failing

While tests such as unit testing or integration testing are very useful (functional testing), allowing you to verify the working of each component and providing quick results, they don’t give you the whole picture. By not performing E2E tests, you won’t know how the experience of using your software will look like from the end-user perspective.

For example, individual component testing (integration tests) might show promising results and full functionality. However, when combined, something goes wrong and produces a bug. By only checking individual components, you wouldn’t be able to find out about the bug. 

With a proper End-to-End test, you can verify whether everything works correctly together as it should. Even integration testing doesn’t cover all of the system components of your software, and you might never know whether every aspect of your app clicks together.

E2E testing doesn’t necessarily have to discover bugs – it can also give you useful insight into the user scenario of your product. Overall, all types of tests play their respective roles in the whole vertical end-to-end testing process (differently to horizontal end-to-end tests). Just because E2E tests give you a more complex understanding of your software as a whole doesn’t mean that other test types are less valuable. 

Before releasing your app, always make sure to proceed with a thought-through testing strategy. However, while they’re certainly extremely useful, keep in mind that E2E tests occupy the top of the testing pyramid, making them the most expensive and most difficult to perform.

End-to-End testing is also one of the few functional types of tests that can be performed manually, as well as automated - which is done especially often in Continuous Integration. In such a scenario, a chosen set of tests can be run automatically each time a new iteration is uploaded to the testing server.

->[Automate your tests for free](https://app.bugbug.io/sign-up/){.markdown-cta}<-

## Benefits of end-to-end testing

One of the goals of this software testing technique is to simulate the end-user's perspective. This means that this type of testing helps to verify not only the security or performance, but the business aspect as well. It will check whether the software collects and processes data as it was designed to do. End-to-end testing is essential for a comprehensive validation of your product. This testing ensures that all integrated parts of the application work together as expected.

Another purpose of E2E testing is to mitigate risks. E2E testing verifies if the software is ready for deployment. The confidence in stability is a crucial factor which the stakeholders consider while approving the next release. 

There are obviously much more obvious benefits of this form of testing (like bug fixing or testing across different user scenarios), but we described them already in this article.

## End-to-End Testing Framework

Alright, so now you know what End-to-End testing is – but how to exactly implement it? There is a wide variety of checks and individual tests that must be covered by your end-to-end testing plan, some of which include:

- Establishing test requirements in the preparation phase (including software and hardware requirements)
- Creating proper documentation
- Deciding what type of test environment will be used (production environment or independent test environment)
- Preparation of test cases and general E2E design
- Tracking of data input and output
- Test execution and evaluation

When executing E2E testing methods, developers usually follow an established E2E testing framework that guides you throughout the process, enumerating various tasks and responsibilities. The framework is relatively simple and consists of only three elements:

### Establish user functions

The User Functions relates to listing the features of your software, as well as all of its interconnected software systems. To properly measure and test software functionality, you need to first think about what you’re going to test. After you’re finished with listing user functions, remember to record everything relevant to each of them, including both the input and output data. Since E2E testing can be considered holistic, you also need to pay attention to all of the relations between every individual function – how they work together and whether there are any clashes.

### Come up with specific conditions

Now that you have established the user functions you’re going to test, you need to think about the testing conditions. Try to come up with as many quantifiable indicators that can be measured for each of the functions. These can range from response time to consistency of data flow, to simple convenience of use. Remember – you’re trying to imagine yourself as an end-user, so try to keep track of anything that might be an issue for a non-developer.

### Create individual test cases

Finally, before the E2E testing can commence, you need to prepare specific test cases for each of the conditions. At this point, you have prepared a list of user functions to test, as well as data conditions that will be measured during the test. Now, you need to create at least one test case for each of the conditions. By test cases, we mean user scenarios during which specific indicators will be able to be measured.

And by test case preparation status, we mean the precise location of the test instances being developed, as compared to intended test cases.

->[Automate your tests for free](https://app.bugbug.io/sign-up/){.markdown-cta}<-

## End-to-end test cases for your testing process

Congratulations, you’ve almost reached the end! At this point, you should pretty much be a walking fountain of knowledge about End-to-End tests. However, the raw theory is one thing, and implementing those types of tests for system testing in reality is another. To make the process a bit more digestible, consider this End-to-End testing example for a website with shopping functionality:

- Go to the specified URL
- Open a list of products
- Check whether the information on the list correlates with specific product pages
- Try to add the product to the cart and look for visible confirmation
- Navigate to the cart and check whether the product has been successfully added
- Double-check all of the relevant information (price, product info, etc.)
- Proceed with the check-out and verify payment options integration

See how simple it is in the end? Now you can implement E2E testing methodology in your software to ensure better end-user reception, increase your product quality, and build a positive brand image.

This is just a high level example. If you would like to learn how to create a proper test case from start to end, please check out our article on [test case creation](https://bugbug.io/blog/software-testing/how-to-write-automation-test-cases/). You will have a better understanding on how to design test cases for manual and automatic testing. Also check out our other topics in our testing guide. 

## End to End testing tools

Proper tools may play a crucial role in reducing your effort by automating your end-to-end tests. These tools provide a range of features and capabilities to support horizontal testing and vertical testing of the entire system. They allow testers to perform comprehensive testing processes. Choosing a proper tool for testing is typically a long-term investment. If you research and choose a tool that will enable you to execute and record complex user scenarios and allow testing across multiple technologies, your job will be way easier. 

One of the tools that meet such requirements is BugBug. This automated testing tool proved its efficiency for many clients. On the picture below you might see how many steps might an end-to-end scenario actually have.

![n example of a passed test with a proper output statement.](https://bugbug-homepage.s3.eu-central-1.amazonaws.com/88bc1d9e_16f8_4e1a_b33d_15e2a8d17cdf_cdfc84abfc.webp)

## Summary

End-to-end testing is a type of testing that focuses on validating the whole system from start to finish rather then testing individual functionalities. It is often seen as a software testing methodology, but it is not the case. It may be a part of a methodology (i.e. Agile testing) but it is by definition a type of software testing. 

Performing end-to-end testing covers an important task of checking data flows and focuses on testing if any functional gaps occur. This type of testing is necessary to verify if the software is ready for the next release cycle.

## Frequently Asked Questions

1. **What is automated testing?** \
Automated testing in software development is a form of software testing that uses the execution of predefined sets of operations to probe and validate the software system. The fundamental purpose of automation testing in software development is to generate objective feedback about the quality of the product. One such testing tool is Selenium. It can run UI tests. The ideal situation is to run E2E tests with both manual testing and automated testing approaches. If your application has a lot of complicated user interfaces, you'll need more end-to-end testing.

2. **What is software development lifecycle?** \
Software development lifecycle (SDLC) is the process used by developers to create, deploy and maintain software. This process includes several steps that are all closely connected with one another. These steps include requirements gathering, analysis and design, coding and testing.

3. **What is a testing pyramid?** \
In software development projects, we have limited time and resources. This is why it's important to consider our test efforts carefully and find the right balance between different types of testing. Basically, there are 3 layers in the testing pyramid: Unit Tests, Integration Tests, and E2E Tests.

3. **What is a selector?** \
A selector is a small piece of code that describes a specific button in your app. It allows you to clearly define what should be clicked in automated end-to-end tests. You can learn more about selectors using [this interactive XPath learning tool](https://bugbug.io/xpath-selector-builder/?ref=blogarticle)



Happy (automated) testing!


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What is End-to-End (E2E) Testing?

Professional Quality Evangelist, experienced in testing web and mobile applications.  
[linkedin.com/in/kinga-witko-b5bba659/](https://linkedin.com/in/kinga-witko-b5bba659/)

Kinga Witko

[TABLE_OF_CONTENTS]

The term “shift left” expresses movement. It can describe the movement of an entire team or individuals.
What does it do in a project or an entire development lifecycle? Putting it simply,  it reflects the position of testing on a timeline. 

**Shift Left means testing earlier in the development process.** It also means repositioning the engagement, development, and testing efforts towards the customer.


Typically, in a traditional (waterfall) model of software making, testing lands at the end of the pipeline or is one of the last phases of the process. Bringing testing at the very last stage usually causes many problems such as:

- delays in the deployment
- a lot of bugs at the end of the development lifecycle
- bugs discovered just before or after the release to production
- lack of collaboration between developers and testers through the entire process.

Poor software quality is one of the most harmful consequences of all of these pains listed above.

At first, the team members do not communicate with each other and they fail to communicate the problems early. 

It must not necessarily be a bug; sometimes there is some issue with the application setup, there is no testing environment, access to certain resources (such as specific tooling or external software providers), the task description is vague, or the team setup is incorrect. 

If communicated and fixed earlier, the entire process can be smoother and cause less frustration in the team. It also encourages people to focus more on the code quality and to deliver earlier and faster.

Most of those issues can be avoided by changing the style of working and shifting testing efforts at the beginning of the process.
->[Automate your tests for free](https://app.bugbug.io/sign-up/){.markdown-cta}<-


## Agile way of working

If you care about the quality of your product, your mindset has probably shifted left already.

This approach is strongly connected with the agile way of thinking and using agile work methods in software projects.


In this setup, testing is an integrated part of the team and accelerates software development at higher quality. As a result, testers can identify bugs sooner, saving time and effort. Notably, the earlier you test, the less expensive bugs are to fix.


[T The Seven Testing Principles (ISTQB)](https://www.istqb.org/downloads/syllabi/foundation-level-syllabus.html) tell that testing everything is not possible unless a system or functionality is very simple. In practice, however,  the testing efforts should be targeted appropriately at the risk analysis, techniques, and bugs prioritization rather than be attempted thorough testing. 


One of the good methods of approaching testing strategy for a specific application can be the guideline from [Agile Testing Quadrants](https://bugbug.io/blog/software-testing/agile-testing-quadrants/). The quadrants are a taxonomy to help teams plan the testing process and testing activities and make sure they have all the resources they need to accomplish it.


## Shift Left approach and DevOps and agile background

With the rise of the DevOps movement, there is an increased focus on delivering automated, continuous improvement. It holds true for development and testing alike.

What is more, Continuous Integration (CI) and Continuous Delivery (CD) are core software development disciplines integrated into the agile software development cycle. The point is to release fully-tested and stable builds early and as often as possible. Development, delivery, and test automation are crucial components of this process. 

## What it means to “Shift Left”

As mentioned at the beginning, Shift Left testing pushes testing to the “left”, to the earlier stages in the pipeline. This improves software quality and reduces time spent on resolving issues later in the pipeline.

Introducing testing early on the “left-side” of the development process, starting with unit tests and complementing with functional and integration tests is fundamental to making CI/CD happen. But that may not be enough.

The team can go even further: to eliminate unclear and contradicting requirements and improve the end-user experience, it is best to involve test engineers in the clarifying and prioritising application requirements. Test engineers can check the available or newly created requirements or user stories for clarity, consistency, testability, and traceability.

This also improves the shift towards client happiness. An early review of the requirements and spotting the flaws marks an early start of the communication with the end-user. 

The Shift Left approach introduces more care and thought exchange concerning the client. The team can be perceived as more proactive and more dedicated to the best quality standards of a project.
->[Automate your tests for free](https://app.bugbug.io/sign-up/){.markdown-cta}<-


## Benefits of Shift Left Testing for Agile and Devops teams

Agile teams benefit most from Shift Left Testing in terms of clearer specifications, smoother implementations, earlier testing, and reduced costs. However, Shift Right Testing has more benefits like the ability to incorporate user and system feedback based on real usage scenarios. 

In opposition to testing early, Shift Right can provide an additional context to the testing scenarios. Shifting right means testing at the end of the process, typically when the software is deployed to production (the post-production environment). 

It is performed by a group of experts or selected end-users. It can utilize testing methods such as API Monitoring, using Feature Toggles, or measuring the performance of a live application. 

This helps to understand the application better and discover some other flaws that could have been omitted earlier.

Nevertheless, when quality comes first:

- developers spend more time on coding because they discuss potentially good solutions - they do not investigate who pushes the code first into production without testing

- there are Unit Tests beside the application code, available and maintainable

- there is an infrastructure that allows testing before pushing to production, usually the entire team is responsible for the process health

- there is room for improvement and mistakes

- developers pair up to catch obvious errors on the fly and learn from one another

- teams estimate tasks together, taking quality and risks into account

- potential risks in the systems are spotted and minimized rather than left alone

And finally - the application is tested - not only by one automated or manual test  but by a set of different functional and non-functional scenarios. 

The tests are regularly reviewed, adjusted, and observed. This approach introduces a new way of working and highlights the value of testing.


## Benefits of the Shift-Left Testing approach

The idea of shift left testing is simple to understand but hard to implement in the development cycle. It is worth the effort though, especially when the team and the entire organization understands the main benefits of this approach, such as:

- Lower costs - as explained above, bugs detected earlier are less expensive to fix.

- Increased efficiency in the software development process.

- Improved product quality and reliability because more bugs are detected at earlier stages.

- Reduced time to market since the QA process covers the entire development cycle, not only its’ last phase.

- A competitive advantage gained by letting development teams move fast, build and defend their credibility by innovating in iterations.
->[Automate your tests for free](https://app.bugbug.io/sign-up/){.markdown-cta}<-


## Get started with “Shift Left” Testing in Agile

How to approach the change and switch to early software testing? Here is the basic list: 


1. **Plan**

Shape development in a way that is friendly to Shift Left testing. Once the requirements have been established, developers and testers should ideate how to shape the coding and software testing as early as possible. 


Depending on the product expectations as well as the limitations of the team, specific strategies, such as involving testers in the project since the planning phase or using the TDD approach, might have to be crafted to accommodate the Shift Left way of working.


2.** Review the requirements**

It is best to verify not only the existing code but also all the requirements necessary for the code to be written. Early verification can spot obvious mistakes.


3. **Use Static Code Analysis**

Static code analysis is the practice of checking the code without executing it. It runs through the basic code structure and ensures that the code is aligned with many standards and guidelines. By following the approach the team can early detect:

- Programming errors

- Violations of commonly followed coding standards

- Syntax anomalies

- Security issues

A static code analysis is best done via automation. The software should scan all untested codes in a project before it moves to the test phase.

4. **Collaborate**

As in any other [agile testing](https://bugbug.io/blog/software-testing/agile-testing-organized-chaos-or-a-planned-way-of-improving-your-software/) technique - early software testing requires a lot of collaboration with the team: Developers, Product Managers, Business Analysts, and other stakeholders responsible for the overall product. 

Everybody needs to understand the value of the Shift Left approach and spot the difference after some time of the new process introduction because as a result, the client benefits from better software quality and receives a lovable product.

## Conclusion for Left Shift Testing in test automation

There are a number of benefits to left shift testing in test automation. One of the primary benefits is that it helps to identify defects earlier in the development cycle. This means that defects can be caught and addressed before they become more complex and costly to fix. In addition, left shift testing can help to reduce the overall time and effort required for testing by identifying and addressing issues earlier in the process.

Another benefit of left shift testing in test automation is that it can help to improve the quality of the software being developed. By identifying and addressing defects earlier in the process, developers can ensure that the software they are creating is of higher quality and meets the requirements of the end-users.
->[Automate your tests for free](https://app.bugbug.io/sign-up/){.markdown-cta}<-


One of the keys to successful left shift testing in test automation is to incorporate testing into the development process **from the very beginning**. This means that testing is not an afterthought or an additional step at the end of the development process, but rather an integral part of the development process itself. Test automation tools and frameworks can be used to automate testing activities and make it easier to incorporate testing into the development process.

It is also important to involve testers in the development process as early as possible. This allows them to provide feedback and identify potential issues before they become more complex and difficult to fix. Testers can also work with developers to ensure that the code being developed is testable, and that the testing process is efficient and effective.

Overall, **left shift testing is an important approach in test automation that can help to improve the quality of software, reduce testing time and effort, and identify defects earlier in the development process**. By incorporating testing into the development process from the very beginning, developers and testers can work together to create software that is of higher quality and meets the needs of the end-users.

Happy (automated) testing!

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Shift Left Testing Explained

Guides to Test Automation

Software developer currently working as a tech writer and PM.  
[linkedin.com/in/marcin-%C5%82ojewski-a4191518/](https://www.linkedin.com/in/marcin-%C5%82ojewski-a4191518/)

Marcin Łojewski

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Testing Tools for Web Application - The Ultimate Guide 2023

Testing is an ever-present part of a software developer’s job, performed at every stage of the production process. There is a wide range of test types used for software testing, some performed at various points during production, and some performed after production to confirm that the software functions as intended.

Regression testing is performed on a product that has already been finished and released. How exactly is it performed? What are the objectives and how does the procedure look? If you’re keen to find out, keep on reading as we explain everything you should know about regression testing.

[TABLE_OF_CONTENTS]

## The definition of Regression Testing

**Regression testing** is a software testing method that aims to investigate and locate any possible flaws or bugs in software that has already been fully developed. Regression Testing is performed to find out whether your software has regressed (surprise, surprise) as you continue introducing new updates and bug fixes. Whenever a piece of software is changed in any way, new bugs might emerge and some of the older ones re-emerge.

Most often, regression testing is performed immediately after introducing a new update, but it isn’t the only factor that might call for the test. If any software or hardware-related factor has changed, regression testing should be committed to find out whether everything performs as it has before the change. 

This can include any sort of bug fixes and software changes, but regression might also be caused by hardware configuration changes and electronic component degradation over time. Regression testing isn’t easy – it requires cooperation and diligence out of all of the team members, which makes it perfect for agile software development practices.

->[Automate your tests for free](https://app.bugbug.io/sign-up/){.markdown-cta}<-

## Regression Testing process

As with most testing efforts regression testing is an art rather than science. Let us describe the regression testing process that our development team uses. You may then use and adapt it to your existing test strategy. As regression testing is a type of testing that occurs whenever any change in your software occurs, the smartest way to start is to..

### Identify code changes

This will allow you to asses the number of test cases for regression testing that will need to be created. The testing team will need information on the impact that the current changes may have on the whole application. This is done also during this step.

### Prioritize changes

You finished step one with a list. Now you need to create a queue out of it. By proper prioritizing the changes in your software application you reduce the amount of time you will use on 

### Select for re-run

This is the part where the selection of test cases is performed. After the first test is done, test cases are categorized into reusable and obsolete ones. The reusable ones create a regression test suite. The others are will not be used for regression. 

### Categorize manual and automated regression test cases

Here is where the test automation actually begins. Test cases that occur more often within one process are perfect candidates to for the automation tool to do the work for you. If you want to automate tests in a fast and efficient way, try BugBug as your tool for regression testing. You will soon find out that it is great to reduce regression testing costs.

### Prioritize test cases

Here is where regression testing becomes a tad tricky. One would think, that the most often occurring test cases should have the biggest priority, right? Well the theory on that one is a tad different. The need for regression testing, therefor the priority, is the highest for those cases, that cover all essential features. The lowest on the other hand are stated as "technical complexities". 

### Plan and execute

This one is rather obvious, but we have to put it here. After doing all the analysis, you have to plan when regression testing is done and "push the execute button". 

## Regression Testing techniques

Regression testing can include various functional and non-functional tests in its process to thoroughly investigate the software in search of flaws. There are also many techniques with which developers and QA specialists perform regression testing, including:

- Retest All
- Regression Test Selection
- Test Case Prioritization
- Hybrid approach

### Retest All – an accurate yet expensive solution

**The Retest All ** technique is the most accurate and all-around method of regression testing, but it is also the most expensive one. In Retest All, every test case is checked again on the software to confirm if all of its parts are working as intended. That’s all there is to Retest All – it might be simple in definition, but it is definitely the hardest and most costly technique to actually perform.

### Regression Test Selection – when you realize you might not have enough for a Retest All

**Regression Test Selection** has been designed as a solution to the expensive nature of the Retest All technique. In RTS we don’t run all of the tests in our test suite, but instead we divide all of the tests into three categories – reusable test cases, retestable test cases, and obsolete test cases. In addition, RTS might actually create new test cases that haven’t been in the suite before, but might be relevant for regression tests.

If you’re interested in finding out more about regression testing examples, we recommend taking a look at Understanding Regression Testing Techniques by Gaurav Duggal and Bharti Suri. The authors further divide RTS techniques, naming two most important categories – coverage techniques and minimization techniques, and explain what are safe techniques.

**Coverage techniques** feature specific coverage criteria, often provided by the client who wants their software regression tested. These techniques sift through all test cases, selecting only the ones that are relevant for the covered parts of your software. **Minimization techniques** work in a way similar to coverage techniques, but instead of selecting cases based on set criteria, you select a minimum set of cases that you think will do the job.

->[Automate your tests for free](https://app.bugbug.io/sign-up/){.markdown-cta}<-

### Test Case Prioritization – a rational approach

**Test Case Prioritization** aims to maximize the rate of fault detection, creating the most thorough regression test for the lowest cost. First you prioritize the test cases one by one. Then all of them are performed in order, starting from the most important one and finishing on the least important one. Thanks to that, even if your resources aren’t enough to perform all of the tests in your suite, you will still perform the ones that should detect the most flaws.

**TSP** might be performed in two ways – the first one, called **General Prioritization**, selects test cases that should be effective (on average) on all versions of the software you’re working with. The other way, called Version Specific **Prioritization**, only takes into account a specific version of the software, without considering other existing or potential future versions.

### Hybrid approach – the best of both worlds

When choosing one technique of regression testing is impossible – why not combine the best features of Regression Test Selection and Test Case Prioritization? 

The hybrid approach is still being developed, and every researcher gives a personal spin on the idea. Since there isn’t an exact definition of what a hybrid approach actually is, there are tons of versions available – each one with its own upsides and downsides.

## Regression Testing tools

Regression testing ensures that each version of your software runs smoothly. We have described various regression testing techniques, but our article would not be complete without a few hints of what tool to use for proper test execution. 

Regression testing is used on an incremented basis. Each release of your software means building another layer of an already high pile of multiple regression test cases. A good tool will allow you to perform regression tests without writing a single line of code. 

If you want a specific list of tools, please redirect to our article [HERE](https://bugbug.io/blog/guides/testing-tools-for-web-application/).

->[Automate your tests for free](https://app.bugbug.io/sign-up/){.markdown-cta}<-

## Disadvantages of regression testing

Well now that's a shocker isn't it? We have many articles on testing in the BugBug blog, and never have I ever wrote anything negative about testing. Until now. We found four "buts" on regression testing and we tried to tackle them immediately.

- "but regression testing is time consuming" - yes, but only if you only perform a manual test, this is why selecting a good testing tool is essential
- "but you have to do it after even the smallest patch" - yes, but this is why you build a good regression cycle. You store all the recurring tests and only build a few on top of them for that given patch. It is like CI/CD for your testing process
- "but that process might interfere with the sprint planning" - only if you do regression tests without automation. Think of it from a business perspective - would you have a task that goes cross-sprint or a large bug in the production environment?
- "but it is difficult, to write those test cases" - ah, an oldie but a goodie. There are great no-code regression testing tools. Those might be used not only by QA or other technical personnel but by a PM. Such a person would be even able to automate the test or record and recreate it. 

Regression testing is one of the key ways to have your code thoroughly checked and ready to start earning you money!

## Conclusion – is Regression Testing necessary?

As you have already learned, regression testing plays a key role in keeping the quality of your software as high as possible for as long as possible. Updates and changes to your software might introduce new problems, which is exactly why regression testing is so important – to keep user experience high throughout all iterations of your program.

Not all projects require regression testing, of course. In projects that are already finished and won’t be further updated, regression testing is mostly irrelevant. However, if you are planning to continue development further – never forget to properly regression test your software before releasing an update.


Happy (automated) testing!

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What is Regression Testing? Everything You Need To Know

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