Proactive Software Testing: The Shift-Left Approach to Early Defect Detection and Prevention

Santosh Kumar Jawalkar

doi:10.36948/ijfmr.2019.v01i02.36366

Proactive Software Testing: The Shift-Left Approach to Early Defect Detection and Prevention

Author(s)	Santosh Kumar Jawalkar
Country	United States
Abstract	Background/Problem Statement - As software gets more complex and customers expect quick, stable releases, the problems with how we test software the old way have become clear. To solve cost and code problems, the Shift-Left method starts testing ahead in the build cycle, spotting issues early and fixing them where it costs less. Methodology - Our study uses three research approaches to see how well Shift-Left testing works: we review existing studies, analyze real industry examples, and look at important performance numbers. The methodology focuses on three core areas: Our methodology focuses on three components: making testing start earlier in developing software, checking out tools that automate code review without running it, and getting developers more involved by running unit tests and updating software regularly. We gathered qualitative and quantitative data from ongoing software development tasks to see how these techniques influenced bug discovery success, reduce cost, and sped up system updates. Analysis & Results - The study shows two positive outcomes: Shift-Left testing earlier in the process leads to 40% fewer mistakes, while using automated code analysis tools helps cut post-launch errors by 35%. Implementing CI/CD automation and test-driven quality control helped us reduce recurring bugs by 60% and speed up launch times by 40%, proving that early testing practices make a real difference. Findings - Our study proves Shifting testing earlier in the process makes software better, reduce cost, and speeds up how quickly products can be launched. The study helps companies wanting to use Shift-Left testing by showing they must change their work culture, use better tools, and keep improving their testing processes. Our research gives teams a clear framework for early quality control in software development, helping them work better and make more reliable products when the market demands.
Keywords	Shift-Left testing, software quality, SDLC, static code analysis, CI/CD, unit testing, defect prevention.
Field	Engineering
Published In	Volume 1, Issue 2, September-October 2019
Published On	2019-09-04
DOI	https://doi.org/10.36948/ijfmr.2019.v01i02.36366
Short DOI	https://doi.org/g83mct

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Proactive Software Testing: The Shift-Left Approach to Early Defect Detection and Prevention

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