Journal of Advances in Developmental Research

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Dynamic Test Case Generation for External Transfer APIs Using Java TestNG and Apache POI in Legacy-to-Cloud Migrations

Author(s) Udayan Verma
Country United States
Abstract This paper proposes an active test case generation model meant to check External Transfer APIs in the projects of legacy to cloud migration. Financial systems that handle high-value transactions are distributed across various fields and frequently use heterogeneous systems, which complicate the validation process. These environments cannot be addressed with manual testing and static test suites due to their inability to scale to changing business rules or support large amounts of test data. The solution proposed uses Java TestNG to coordinate parallel test runs, conditional logic and assertions, and Apache POI to dynamically read structured datasets in Excel files. These are datasets that consist of account details, type of transactions and anticipated results and are converted to test scenarios. The framework allows the creation of tests at any scale and without hard coded values, as well as field-level validation in both the cloud and legacy environment. Reporting is done using HTML and XML dashboards which gives traceable results and has integration with defect tracking systems. The methodology minimizes human work, shortens regression cycles and creates an auditable and repeatable testing platform on critical financial API migrations.
Keywords Dynamic Test Case Generation, Financial API Validation, Data-Driven Testing, Legacy-to-Cloud Migration, TestNG and Apache POI.
Field Engineering
Published In Volume 14, Issue 1, January-June 2023
Published On 2023-04-07
Cite This Dynamic Test Case Generation for External Transfer APIs Using Java TestNG and Apache POI in Legacy-to-Cloud Migrations - Udayan Verma - IJAIDR Volume 14, Issue 1, January-June 2023. DOI 10.71097/IJAIDR.v14.i1.1910
DOI https://doi.org/10.71097/IJAIDR.v14.i1.1910
Short DOI https://doi.org/hb3dhx
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