and dynamic are essential techniques meant for developers and testers for use during the Software Development. These are unique validation methods which the organization must decide after due analysis which one to practice for software verification. Since your objective is to get the maximum benefit from these type of , hence pick the right tool most suited for your needs. In this , you’ll learn the pros and cons of each of these type of testing.

Static Testing And Dynamic Testing  - Static Testing And Dynamic Testing - Static Testing And Dynamic Testing

Static Testing And Dynamic Testing

Static Testing:

In Static Testing, it does not require executing the code. You can perform it manually or by using a set of tools. This testing type covers the analysis of the source, review of specification documents, also the design description documents. In this, the testers provide review comments on each of the doc reviewed. If the application is yet not operational and hasn’t implemented the user interface, then you can execute a security analysis to observe it under the runtime-less configuration.

While doing static testing, a tester or a developer can go on to look for the bugs, buffer overflows, and probably identify the code in the system. To begin such testing, you don’t need to wait for finishing the entire application development. It can get started in an early phase of the development lifecycle. And testers can begin reviewing the code, scripts, requirements, test cases, or any related doc whichever is available at the point of time.

Static Testing Techniques:

1. Inspection:

The principal moto of this Type of Testing is to identify defects in the early stage of the software development cycle. The team can start with the inspection of any of the artifacts as mentioned earlier such the code or the test cases or the product docs walkthroughs. It requires a moderator for organizing the review sessions. Since the inspection is a formal type of review, so the moderator needs to prepare a checklist of what to go through and what not.

2. Walkthrough:

Another technique is the walkthrough. It requires the owner of the document to explain the work done. The attendees can place their queries and another person allocated as the scribe has to record the points in the notes.

3. Technical Reviews:

In this Static Testing method, the team carries out the Technical Scrutiny of the code written to check whether it meets the coding guidelines and standards. In general, the testing artifacts such as a testing plan, validation strategy, and the automation scripts get also reviewed in this session.

3. Informal Reviews:

Static Testing technique in which the docs get scrutinized informally. Also, the participants provide informal comments during the meeting.

Dynamic Testing:

Dynamic testing gets performed after the application has into the operational mode. It gets executed in the runtime environment set up by the QA. While the code behind the app is running, the tester supplies the required input and waits for the result. After that, he/she matches the output with the expected outcome.

That’s how the testers inspect the functional behavior of the application, track the system RAM, CPU usage, its response time, and the performance of the overall software. Dynamic testing has another name as validation testing. It can either be Functional Testing as well as non-functional testing.

Types of Dynamic Testing techniques:

1. Unit Testing:

This testing happens mostly at the developer’s end. The essential artifacts which get tested are the source code of the application’s various modules.

2. Integration Testing:

The purpose of this technique is to verify the interfacing between two or more modules once they get tied up together.

3. System Testing:

This testing gets done on the entire software with all modules working.

4. Acceptance Testing:

This testing runs the validation keeping the user’s point of view in mind.

In software development lifecycle, both the Static Testing and Dynamic Testing are essential to certify the application functionality. Each of these has its strength and weakness which you should be aware.

Static Testing Vs. Dynamic Testing:

1. Static Testing belongs to the white box testing. It gets performed at an early stage of development. It incurs a lower cost as compared to the dynamic testing.

Dynamic Testing gets performed at the final stage of the development process.

2. Static testing has better line coverage than the dynamic testing in the short duration.

Dynamic Testing has lower no. Of line coverage as it examines only a smaller part of the code.

3. Static testing occurs before the application is for the deployment.

Dynamic Testing happens after the code got deployed.

4. Static testing gets done in the verification stage.

Dynamic testing completes in the validation stage.

5. No execution happens in the static testing.

Dynamic testing requires the code execution.

6. Static testing produces the analysis of the code along with the documentation.

Dynamic Testing reports the bottlenecks in the application.

7. In Static Testing, the team prepares a checklist describing the testing process.

In Dynamic Testing, the test cases get executed.

8. Static Testing Methods are Walkthroughs and code reviews.

Dynamic testing majorly has the functional and nonfunctional validation.

Summary – Static Testing And Dynamic Testing

In any Software development methodology, both the Verification and Validation process get carried out to certify that the final software has all the requirements implemented correctly.

Static testing scrutinizes the application code without any execution. It lies under the umbrella of Verification. The testers have got multiple Static testing techniques such as Inspection, Walkthrough, Technical and Informal reviews, etc.

On the contrary, Dynamic testing validates the working product. It lies under the umbrella of Validation. The standard Dynamic testing techniques are Unit Testing, Integration Testing, System or Stabilization Testing and the User Acceptance Testing. Here, the product gets validated by both functional and non-functional aspects.

Further reading – 100 Manual Testing Interview Questions.

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