7 Benefits of Smoke Testing You Cant Do Without

This then determines whether the build is stable enough to run further, more in-depth tests on. Today’s enterprises need quality products in the form of high performing web and mobile apps to beat the competition. In order to achieve quality products, software testing is essential.

It therefore follows that API testing relies on effective smoke testing. Being able to find the sources of issues quickly and efficiently by smoke testing means your teams have to spend less time combing the code for the potential culprits. That saves time, as well as resources—especially if your team doesn’t use much automation.

definition of smoke test

When your software runs seamlessly, with no bugs hindering customers’ experiences of it, they’re going to have a better time using it. There are three types of smoke testing, and we’ll dive into those later and explore each one in turn. The short of it is that smoke testing is highly adaptable, and can be adjusted to suit the needs of just about any business that would consider using it. One of the reasons why software development is such a complex process is that there are many, many layers of testing that each piece of software has to go through. Smoke tests are executed first, followed by Sanity testing and then based on time availability Regression testing is planned. As mentioned above, the Smoke test is done in a new build, then if it passes the Smoke testing, more tests and Regression or Sanity tests are done.

Tools for automated smoke testing include Selenium and PhantomJS. Selenium is open-source software that can automate and run testing parameters on multiple web browsers. Selenium automates control of browsers on various operating systems . PhantomJS is an option for integration and automation with continuous integration tools, such as Jenkins and TeamCity. PhantomJS is not resource-intensive and works well in networking monitoring. Very informative to the beginners to gain knowledge of smoke testing.

Types of Smoke Tests

It tests whether all the test environment aspects are running successfully and whether the build is stable or not and justifies if the build can be used for further testing process. This testing method is designed to test core functionality of a new build and if the smoke test fails then it is very likely the build is immediately rejected by the QA team. Similarities between Smoke and Sanity Testing Explanation Save time Smoke and Sanity tests save time by quickly determining whether an application is working properly or not.

definition of smoke test

Plumbers usually would use smoke to test for leaks and cracks in pipe systems. All you need to do is follow the steps set out in this guide, and you’ll be smoke testing effectively in no time. As you’re running your smoke tests, ensure that you record the results of each one. The most important thing to keep in mind here is to follow the guidelines you set out in previous steps. If a number of your manual testers suddenly cancel, for instance, you’ll want to make sure you have replacements at the ready.

One may set automated smoke tests to occur often in production to ensure critical functionality is running as intended. If a run fails, one will be informed immediately so they may fix any serious flaws before they hurt too many users. When a fresh build is prepared for deployment, developers can examine it immediately with automation tests. The smoke testing process is relatively simple and is among the most foundational stages in software development.

Smoke test definition

If one cannot determine the number of test cases needed to ensure proper functionality, one will need to delay progress and recalculate. After successfully finishing the build but before testing their application, a person might need to perform setup processes. Smoke testing is the practice of testing fundamental and core elements of a software program in the early phases of development to identify minor issues that might delay the product’s release. This article describes smoke testing and its role in the development process of software.

These tests are very confirmatory in nature, with the main objective of making sure the functions under test are working correctly and do not “break the build”. These tests are not designed to test variations of conditions, such as boundary value tests. Smoke testing in software makes more sense when we see how the term originated.

Integration risk Integration problems are minimized because end-to-end testing is performed on every build so that functionality-based problems are discovered earlier. Quality improvement The main problems are detected and corrected much earlier in the software test cycle, which increases the quality of the software. Evaluation of progress Assessing development progress becomes an easier task. Since with each compilation, it is certified that the end-to-end product is working correctly after the addition of new features. The result of this testing is used to decide if a build is stable enough to proceed with further testing. It can also be used to decide whether to announce a production release or to revert.

definition of smoke test

Before performing smoke testing, QA team must ensure the correct build version of the application under test. It is a simple process which takes a minimum time to test the stability of the application. Regression testing is a separate way to verify good software code. Regression testing ensures that changes to a program do not add new bugs that inadvertently compromise the performance or integrity of the software. Similar to smoke tests, regression tests should be implemented often, with every new build. Unlike smoke tests, however, regression tests are in-depth and detailed.

Words Near Smoke-test in the Dictionary

In short, smoke testing is important because it’s an indicator of whether a build is even ready for formal testing. Without it, major issues slip through the cracks and have the chance to stay within a build for longer—that’s why smoke testing lets developers squash bugs early on. The Software Testing Life Cycle is a sequence of specific actions performed during the testing process to help certify the software product. Smoke testing, also known as build verification testing or confidence testing, is shorter than the Sanity test and includes only quick scenarios that point at major areas of the product. It is performed on initial builds before they are released for extensive testing.

definition of smoke test

Aside from boosting your company efficiency drastically, automating your smoke testing means you get to save money and resources that would otherwise be used on manual testers. To get your app to that stage, you’d have to know for certain that the builds on which it’s based are seamless, error-free, and completely stable. You would want to start smoke testing the app’s components in the early stages of development, and then continuously as the app’s code is improved and edited. All of these testing types have a predefined number of test cases that get executed multiple times which makes them an ideal candidate for test automation. Test automation is used to automate repetitive tasks and other testing tasks which are difficult to perform manually.

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A typical Software Project consists of hundreds or even thousands of source code files. Creating an executable program from these source files is a complicated and time-consuming task. Smoke Testing is done by both developers or testers whereas Sanity Testing is done by testers.

  • While no particular lifecycle is required for smoke tests, perhaps the most common context today is a CI/CD pipeline, such as seen in DevOps or agile.
  • If the test fails, then they can correct the build and redeploy the build immediately.
  • Unit tests can be implemented either as separate functions within the code itself, or else as a driver layer that links to the code without altering the code being tested.
  • For example, one could want to make sure they have substitutes available in case several of the manual testers abruptly cancel.
  • We check whether system’s major functionality is working fine and whether we find any showstopper bug.

Also, in Figure 3 we also see regression and confirmation tests after release. This is because some organizations have found it helpful to perform such tests to detect when unknown or external factors may cause unexpected failures. In Figure 1, we see the steps involved in a basic smoke test to login to a mobile banking app, look at account balances on the main page of the app, then sign out of the app. A regression test might cover both preferred and non-preferred conditions. Regression tests are often performed prior to a release or in an ongoing monitoring cadence after a release. Smoke tests are often performed in conjunction with a new build or commit.

These activities include setting up licenses, storing data in various places, launching a server, and other related things. If this basic functionality fails, there is no point investing time in more detailed QA work at this stage. If you are developing a simple computer program which consists of only one source code file, you merely need to compile and link this one file, to produce an executable file.


If your code is failing the most basic of tests, if the most fundamental journeys cannot be completed easily, then you don’t have a cat in hell’s chance of going through a productive test cycle. So use quick Smoke Tests to determine if your code is good enough to move to the next stage. Chances are, 90% of your team are working on projects that bring new features to or transform an established https://globalcloudteam.com/ product. They, and you, can help yourselves tremendously by maintaining a test case repository. That is, Sanity Tests happen slightly later in the product lifecycle, and mainly as a safety net to check whether intended enhancements and bug fixes have been completed as expected. Once the smoke tests are created then they can be run on the build and results can be analyzed.

What happens if Smoke Testing is not taken up?

The development team deploys QA builds, and testers perform test cases on the build after removing a portion of them. If one studies the results of their smoke tests, it will be simpler to determine whether the eventual outcome is successful or unsuccessful. The criteria for the quality of their software, for instance, would need to be relatively high if it’s a SaaS company, as was the case earlier. If 10% of the tests indicate an unstable build, they would likely like to return it for revisions. Before executing a smoke test, one must determine the required number of test cases.

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The process to implement an automated smoke test will vary depending on your application and the configuration of your build tool. Smoke Testing is a subset of software testing that helps us verify whether a deployed software build is stable or not. It serves as a prerequisite to software testing and lets the QA team know if they can proceed with further testing. To build a smoke test, the test team first determines which parts of the application make up the high-level functionality. The team then develops automated procedures for testing the major parts of the system. After performing the smoke testing, the tester should also be able to approve or reject the deployed build.

Nowadays more job opportunities are there for software development and software testing. So achieving training for software testing is not a wastage of time. Smoke tests can be performed either manually or in some cases can also be automated.

@Pankaja – The Smoke testing is wide approach of testing & sanity testing is the narrow regression approach of testing with a specific set of functionality of software application. Smoke Testing definition of smoke test comes into the picture at the time of receiving build software from the development team. The purpose of smoke testing is to determine whether the build software is testable or not.

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It reduces testing time because testing is done only when the key features of the application are not working or if the key bugs are not fixed. The focus of Smoke Testing is on the workflow of the core and primary functions of the application. Undoubtedly, during a development cycle, teams conduct several smoke tests. As a result, don’t be reluctant to send a product back to the designers for additional adjustments. Making the test suites needed for Step 3 of the smoke testing procedure comes next. To do this, one must prepare the test cases and test scripts and modify their approach to the tests they have selected .

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