Shift Left Testing in Oracle Migration: A Complete Guide

Shift left testing in oracle migration refers to conducting testing activities early in the software development lifecycle to detect and address issues promptly.

In migrating Oracle databases to the cloud, shift-left testing involves the early identification and resolution of errors, ensuring high-quality software development.

By shifting testing activities to the early stages of the development cycle, organizations can catch bugs and defects before they can impact the final product, resulting in cost savings and faster time to market.

This approach emphasizes the integration of test automation, allowing for comprehensive and reliable testing.

Shift-left testing also encourages collaboration among stakeholders, such as developers, testers, and business analysts, fostering shared responsibility for quality and aligning development efforts with business objectives.

Moreover, it enables increased test coverage, early performance testing, and enhanced security practices. By implementing shift-left testing, businesses can improve software quality, achieve agility in their development processes, and ensure a successful and smooth Oracle migration experience.

What is Shift-Left Testing Approach?

Shift-left testing is an approach that focuses on finding and fixing errors early in the development cycle. It is also called left-shifting or shifting left.

This technique is particularly useful for migrating Oracle databases to the cloud and contributes to producing high-quality software.

Improving software quality using shift-left testing is a method that is both dependable and effective because it allows for the early detection of mistakes and problems. This strategy places considerable emphasis on the use of automated testing.

What Benefits Can Businesses Leverage From Shift-Left Testing?

Shift-left testing offers numerous benefits to businesses. It enables early bug detection, reducing costs by addressing issues early in the development cycle.

It improves software quality, enhances collaboration among stakeholders, speeds up time to market, increases test coverage, and facilitates agility and continuous delivery.

1:      Early Bug Detection  

Shift-left testing helps find and address problems and defects sooner by moving testing operations to earlier software development life cycle phases.

This decreases the likelihood that important problems would be uncovered in later stages, ultimately resulting in cost savings and a quicker time to market.

2:      Cost Reduction  

It is possible to dramatically cut expenses by finding and correcting faults early in the development process. It is often more expensive to locate and rectify solutions when problems are identified later, such as during system testing or production.

This is because it takes longer to find and isolate the source of the issue. When problems are addressed as soon as they arise, firms can save resources and avoid costly rework.

3:      Improved Software Quality  

The shift-left testing methodology prioritizes early testing to guarantee that any possible problems are found and fixed before they can affect the finished product.

This results in a higher overall quality of the software, increased client satisfaction, and an enhanced reputation for the company.

4:      Enhanced Collaboration  

Shift-left testing promotes stakeholder collaboration, including developers, testers, and business analysts. Communication and knowledge of requirements and potential risks are improved when these roles are involved from the beginning of the process.

This collaboration helps to connect development efforts with business objectives, developing a shared sense of responsibility for quality.

5:      Faster Time to Market  

The total software development lifecycle can be sped up by finding and addressing bugs earlier in the development process.

Businesses can gain a competitive advantage by delivering their products to the market more rapidly and avoiding the delays generated by rework and regression testing in later stages of the production process.

6:      Increased Test Coverage  

When firms move their testing to the left, they can increase the breadth and depth of their testing activities. Early involvement of testers enables a more extensive study of the system, identifying potential vulnerabilities, usability concerns, and performance bottlenecks before they become serious problems.

7:      Agility and Continuous Delivery  

Testing using the shift-left methodology is highly compatible with agile and Develops methods. Businesses can allow continuous integration, delivery, and testing if they include testing early in developing new products.

This makes it possible to have shorter development cycles, to release software more frequently, and to have the capacity to respond more quickly to shifting requirements from customers and the market.

Best Ways to Implement Shift left testing in oracle migration

To implement Shift left testing in oracle migration, it is recommended to carry out the migration in phases, examine current business processes, conduct an impact assessment, automate Oracle EBS tests, involve business units, and review company processes.

These strategies ensure comprehensive testing, alignment with business objectives, and efficient migration to Oracle Cloud.

·         Carry out Phase Migration

Carrying out-migration to Oracle Cloud in phases is a recommended approach. By breaking down the migration process into smaller, manageable phases, businesses can ensure that each functional module works correctly before moving on to the next phase.

This incremental approach allows the team to effectively manage the workload and allocate time for thorough testing and validation at each stage. Migrating in phases provides better control over the migration process and helps mitigate risks associated with a large-scale migration.

·         Examine the Current Business Processes

To implement Shift left testing in oracle migration, it is crucial to examine the current business processes thoroughly. This involves analyzing and understanding the existing system’s workflows, dependencies, and integrations.

By gaining insights into the current processes, organizations can identify potential pain points, challenges, and areas that require special attention during testing. This examination enables the development of a comprehensive testing strategy that aligns with the specific requirements of the migration project.

Understanding the current business processes ensures that the shift-left testing approach is tailored to address the organization’s unique needs.

·         Conduct an Impact Assessment

Conducting an impact assessment is crucial when implementing Shift left testing in oracle migration. It involves evaluating the potential impacts of the migration on various aspects, such as infrastructure, data, integrations, and business processes.

Organizations can proactively plan their testing approach by assessing the potential risks, dependencies, and challenges. This assessment helps identify areas that require special attention, enabling the development of comprehensive test cases and strategies to address any potential impact on the system during the migration process.

·         Automate Oracle EBS Tests

Integrating test automation into the existing Oracle EBS instance is a key step in implementing shift-left testing. Organizations can adopt an iterative testing approach by incorporating test automation early in the development cycle.

This results in improved efficiency and reduced effort over time, as early testing allows for organic expansion of test coverage. Test automation enables repetitive tasks to be automated, freeing up resources and enabling faster and more reliable testing of the Oracle EBS instance.

·         Involve Business Units

When implementing Shift left testing in oracle migration, it is essential to involve business units and stakeholders beyond just the IT department. The test automation framework should be designed to enable active participation from business users and other stakeholders.

By involving them in the testing process, their domain knowledge and expertise can be leveraged to ensure comprehensive testing and validation of the Oracle cloud migration.

This collaborative approach helps align the testing efforts with the business requirements and ensures that the migrated system meets the desired functionality and expectations.

·         Review your company processes.

During your migration to Oracle Cloud, it is essential to examine your current business processes. In the past, this process involved costly consultants and lengthy meetings, often resulting in guesswork.

However, adopting a shift-left testing approach with process and configuration mining and test automation tools can significantly reduce costs and efforts.

This approach accurately identifies employees’ workflows, enabling accurate mapping in the new Oracle Cloud environment and revealing any inefficiencies for improvement.


Shift-left testing is a game-changing approach for Oracle migration projects. By emphasizing early bug detection, cost reduction, improved software quality, enhanced collaboration, faster time to market, increased test coverage, and agility in development, businesses can leverage the full potential of this methodology.

Incorporating test automation, conducting impact assessments, integrating with existing systems, involving business units, and examining current processes are vital implementation strategies.

By embracing shift-left testing, organizations can optimize their Oracle migration, ensure smooth transitions, and deliver high-quality software that meets the evolving needs of their customers.

Frequently Asked Questions

What Is The Shift Left Approach In Testing?

The shift-left approach in testing focuses on early bug detection by conducting testing activities earlier in the development cycle.

What Is The Shift Left Approach In DevOps?

The shift-left approach in DevOps involves integrating testing and quality assurance practices early in the software development process.

What Is Lifting And Shifting Migration In OCI?

Lift and shift migration in OCI refers to migrating an application or workload to Oracle Cloud Infrastructure without significantly modifying its architecture or code.

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