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Static Testing

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Dharita Chokshi
Dharita Chokshi

Static testing is asoftware testingmethod that involves examination of program'scode and its associateddocumentationbut does not require theprogramto be executed. Static Testing Techniques Informal Reviews Formal Reviews Technical Reviews Walk Through Inspection Process Static Code Review

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Click to add Title Static Testing e-Infochips Institute of Training Research and Academics Limited Prepared By:- Dharita Chokshi
Outlines What is Static Testing Participants in Static Testing Static Testing Techniques Advantages of Static Testing Disadvantages of Static Testing Static v/s Dynamic Testing Tools for Static Testing
What is Static Testing? Static testing is a software testing method that involves examination of program's code and its associated documentation but does not require the program to be executed. Also called as Dry-Run Testing. Requires programmers to manually read their own code to find any errors. Hence named static. Static testing is a stage of White Box Testing.
What is Static Testing? Main objective of this testing is to improve the quality of software products by finding errors in early stages of the development cycle. Most static testing techniques can be used to test any form of document including source code, design documents and models, functional specifications and requirement specifications.
Participants in Static Testing During a review four types of participants take part. They are: 1. Moderator 2. Author 3. Scribe 4. Reviewer 5. Manager
Participants in Static Testing The moderator Also known as review leader Performs entry check Follow-up on the rework Schedules the meeting Coaches other team Leads the possible discussion and stores the data that is collected
Participants in Static Testing The author Illuminate the unclear areas and understand the defects found Basic goal should be to learn as much as possible with regard to improving the quality of the document. The scribe Scribe is a separate person to do the logging of the defects found during the review.
Participants in Static Testing The reviewers Also known as checkers or inspectors Check any material for defects, mostly prior to the meeting The manager can also be involved in the review depending on his or her background. The managers Manager decides on the execution of reviews Allocates time in project schedules and determines whether review process objectives have been met
Static Testing Techniques Informal Reviews Formal Reviews Technical Reviews Walk Through Inspection Process Static Code Review
Informal Review Doesn't follow any process to find errors in the document, you just review the document and give informal comments on it. Applied many times during the early stages of the life cycle of the document. A two person team can conduct an informal review and in later stages more people are involved. The goal is to keep the author and to improve the quality of the document. The most important thing to keep in mind about the informal reviews is that they are not documented.
Formal Review Formal reviews follow a formal process. It is well structured and regulated (Controlled). A formal review process consists of six main steps: 1. Planning 2. Kick-off 3. Preparation 4. Review meeting 5. Rework 6. Follow-up
Technical Review A team consisting of your peers, review the technical specification of the software product and checks whether it is suitable for the project. They try to find any discrepancies in the specifications and standards followed. This review concentrates mainly on the technical document related to the software such as Test Strategy, Test Plan and requirement specification documents.
Walkthrough The author of the work product explains the product to his team. Participants can ask questions if any. Meeting is led by the author. Scribe makes note of review comments
Inspection The main purpose is to find defects and meeting is led by trained moderator. This review is a formal type of review where it follows strict process to find the defects. Reviewers have checklist to review the work products . They record the defect and inform the participants to rectify those errors.
Static Code Review This is systematic review of the software source code without executing the code. It checks the syntax of the code, coding standards, code optimization, etc. This is also termed as white box testing. This review can be done at any point during development.
Advantages of Static Testing Since static testing can start early in the life cycle so early feedback on quality issues can be established. As the defects are getting detected at an early stage so the rework (Revise and rewrite) cost most often relatively low. Development productivity is likely to increase because of the less rework effort.
Disadvantages of Static Testing Time consuming as conducted manually. Does not find vulnerabilities introduced in runtime environment. Limited trainee personnel to thoroughly conduct static code analysis.
Static v/s Dynamic Testing
Static v/s Dynamic Testing Static Testing Dynamic Testing Testing is done without executing the program Testing is done by executing the program This testing does verification process Dynamic testing does validation process It is about prevention of defects It is about finding and fixing the defects Gives assessment of code and documentation Gives bugs/bottlenecks in the software system. Involves checklist and process to be followed Involves test cases for execution Performed before compilation Performed after compilation
Static v/s Dynamic Testing Static Testing Dynamic Testing Covers the structural and statement coverage testing Covers the executable file of the code Cost of finding defects and fixing is less Cost of finding and fixing defects is high Return on investment will be high as this process is involved at early stage Return on investment will be low as this process is involved after the development phase More reviews comments are highly recommended for good quality More defects are highly recommended for good quality. Requires loads of meetings Comparatively requires lesser meetings
Tools for Static Testing Checkstyle FindBugs IntelliJ IDEA Jarchitect Jtest LDRA Testbed PMD SemmleCode Sonargraph Soot Squale SonarQube SourceMeter ThreadSafe
Jtest Static Testing Tool
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Static Testing

  • 1. Click to add Title Static Testing e-Infochips Institute of Training Research and Academics Limited Prepared By:- Dharita Chokshi
  • 2. Outlines What is Static Testing Participants in Static Testing Static Testing Techniques Advantages of Static Testing Disadvantages of Static Testing Static v/s Dynamic Testing Tools for Static Testing
  • 3. What is Static Testing? Static testing is a software testing method that involves examination of program's code and its associated documentation but does not require the program to be executed. Also called as Dry-Run Testing. Requires programmers to manually read their own code to find any errors. Hence named static. Static testing is a stage of White Box Testing.
  • 4. What is Static Testing? Main objective of this testing is to improve the quality of software products by finding errors in early stages of the development cycle. Most static testing techniques can be used to test any form of document including source code, design documents and models, functional specifications and requirement specifications.
  • 5. Participants in Static Testing During a review four types of participants take part. They are: 1. Moderator 2. Author 3. Scribe 4. Reviewer 5. Manager
  • 6. Participants in Static Testing The moderator Also known as review leader Performs entry check Follow-up on the rework Schedules the meeting Coaches other team Leads the possible discussion and stores the data that is collected
  • 7. Participants in Static Testing The author Illuminate the unclear areas and understand the defects found Basic goal should be to learn as much as possible with regard to improving the quality of the document. The scribe Scribe is a separate person to do the logging of the defects found during the review.
  • 8. Participants in Static Testing The reviewers Also known as checkers or inspectors Check any material for defects, mostly prior to the meeting The manager can also be involved in the review depending on his or her background. The managers Manager decides on the execution of reviews Allocates time in project schedules and determines whether review process objectives have been met
  • 9. Static Testing Techniques Informal Reviews Formal Reviews Technical Reviews Walk Through Inspection Process Static Code Review
  • 10. Informal Review Doesn't follow any process to find errors in the document, you just review the document and give informal comments on it. Applied many times during the early stages of the life cycle of the document. A two person team can conduct an informal review and in later stages more people are involved. The goal is to keep the author and to improve the quality of the document. The most important thing to keep in mind about the informal reviews is that they are not documented.
  • 11. Formal Review Formal reviews follow a formal process. It is well structured and regulated (Controlled). A formal review process consists of six main steps: 1. Planning 2. Kick-off 3. Preparation 4. Review meeting 5. Rework 6. Follow-up
  • 12. Technical Review A team consisting of your peers, review the technical specification of the software product and checks whether it is suitable for the project. They try to find any discrepancies in the specifications and standards followed. This review concentrates mainly on the technical document related to the software such as Test Strategy, Test Plan and requirement specification documents.
  • 13. Walkthrough The author of the work product explains the product to his team. Participants can ask questions if any. Meeting is led by the author. Scribe makes note of review comments
  • 14. Inspection The main purpose is to find defects and meeting is led by trained moderator. This review is a formal type of review where it follows strict process to find the defects. Reviewers have checklist to review the work products . They record the defect and inform the participants to rectify those errors.
  • 15. Static Code Review This is systematic review of the software source code without executing the code. It checks the syntax of the code, coding standards, code optimization, etc. This is also termed as white box testing. This review can be done at any point during development.
  • 16. Advantages of Static Testing Since static testing can start early in the life cycle so early feedback on quality issues can be established. As the defects are getting detected at an early stage so the rework (Revise and rewrite) cost most often relatively low. Development productivity is likely to increase because of the less rework effort.
  • 17. Disadvantages of Static Testing Time consuming as conducted manually. Does not find vulnerabilities introduced in runtime environment. Limited trainee personnel to thoroughly conduct static code analysis.
  • 19. Static v/s Dynamic Testing Static Testing Dynamic Testing Testing is done without executing the program Testing is done by executing the program This testing does verification process Dynamic testing does validation process It is about prevention of defects It is about finding and fixing the defects Gives assessment of code and documentation Gives bugs/bottlenecks in the software system. Involves checklist and process to be followed Involves test cases for execution Performed before compilation Performed after compilation
  • 20. Static v/s Dynamic Testing Static Testing Dynamic Testing Covers the structural and statement coverage testing Covers the executable file of the code Cost of finding defects and fixing is less Cost of finding and fixing defects is high Return on investment will be high as this process is involved at early stage Return on investment will be low as this process is involved after the development phase More reviews comments are highly recommended for good quality More defects are highly recommended for good quality. Requires loads of meetings Comparatively requires lesser meetings
  • 21. Tools for Static Testing Checkstyle FindBugs IntelliJ IDEA Jarchitect Jtest LDRA Testbed PMD SemmleCode Sonargraph Soot Squale SonarQube SourceMeter ThreadSafe
  • 22. Jtest Static Testing Tool

Editor's Notes

  • #2: 1
  • #19: Verification and Validation are two measures used to check that the software product meets the requirements specifications. Static testing involves verification whereas dynamic testing involves validation. Together they help improve software quality.