The document outlines essential QA focus areas and testing strategies required for successful cloud migration, emphasizing the importance of various testing aspects such as functional validation, integration testing, security testing, and performance testing. It highlights the challenges associated with cloud application validation and provides a checklist for ensuring applications perform optimally while mitigating risks related to security and data integrity. Additionally, it underscores the need for disaster recovery planning and continuous monitoring as critical components of the cloud migration process.

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COMPREHENSIVE
QA CHECKLISTS
FOR A SUCCESSFUL
CLOUD MIGRATION
QA Focus Areas for
Successful Cloud Migration
Conventional Testing Vs Cloud Testing
Addressing Key Challenges
That Arise While Validating Applications
Once you have decided to move your products or services to the cloud,
testing is a crucial step in the cloud migration journey. It avoids cloud
scalability issues, server breakdown issues such as application/website
crash, database errors and more, which can be extremely risky in terms
of brand’s reputation, time and resources.
With that in mind, business owners or IT decision makers should
properly plan and perform their cloud migration journey while putting
Testing in top priority during cloud migration irrespective of environment.
Cloud migration requires key focus on certain areas of Application (product/service) Testing, such as:
Functional Validation, Integration Testing, Security Testing, Scalability and Performance Testing.
However, cloud hosting adds new dimensions to application validation when it is compared to
conventional testing. The table below depicts QA focus areas of application testing migrated to cloud,
compared to conventional testing:
Cloud migration throws certain challenges in validating applications. Some of the instances and how
to validate them at various aspects are discussed here.
Functional Validation
Functional validation or cloud-ready validation assesses production readiness of migrated
applications. It is fundamental to verify if various aspects of the migrated applications are performing
as per SLAs. For an effective cloud migration, validate SaaS/Cloud services functions and perform
end-to-end application’s function validation. Check the following test cases to perform functional
validation of an application for cloud testing:
TESTING AREAS
Functional Testing
Integration Testing
CONVENTIONAL TESTING CLOUD TESTING
- Performs validation of
component funtions,
system functions and
service features
- Function based integration
- Component based
integration
- Interface/connection
based integration
- Architecture based
integration
- Saas based integration in
the Cloud
- Enterprise level application
integration between
Saas/cloud and legacy
systems
Scalable &
Performance Testing
- Performed in a fixed test
environment
- Customized or off the
shelf monitoring solutions
- Monitoring and evaluation
– Automated test suite is compatible with the application over the cloud
– Whether a valid input gives the expected results
– Service integration with other applications
– Page layout and object references are working as expected
– Cross-platform compatibility is ensured
Integration Testing
(With Third-Party Applications)
Cloud migration is not just moving data, but it is managing a range of variables – security,
authentication, integration, compatibility, testing and monitoring over time. Among the above variables,
integration with third-party tools plays a significant role. Because, today, there are many technology
choices with cloud integration than ever before. But, the dependencies between systems and
applications can complicate integration testing. If you are integrating a lot of services together that
come with varying SLAs, testing in the cloud with a plethora of third-party tools, services and
applications, represents a major challenge. To avoid such issues, ensure you go through the below
checklist and validate them effectively:
If you don’t have in-house expertise, make sure to outsource validation for integration to your cloud
provider or a managed service provider who fills the gap.
Various aspects of application Security Testing include: Data security and data privacy testing,
application transaction security, business process security and user privacy security testing.
– What interfaces and systems need to be covered while planning for integration testing?
– What resources you need to do the validation and integration testing?
– Have a plan to develop and execute tests in coordination with third-party components
– Perform Integration Testing early
– Detect coordination problems in cloud environment – this is to ensure the applications are well
configured with cloud environment
Security Testing
One of the main deterrents to migrating to the cloud is Security. Applications can be very secure in the
cloud, but unlike conventional storage, you will not have any hardware. This means, you don’t have
complete control over the data. To keep the data secure in the cloud requires a whole new level of
security procedures and strategies. If you are planning for an Infrastructure as a Service (IaaS)
architecture, ensure you check whether your workloads can be migrated to the cloud; or will there be
any significant difficulties after migration. Following checklist can be handy to crosscheck some
cases:
– If you have legacy applications running on outdated platforms
– Proprietary software
– User validation – ensure the applications are accessible only by authorized users and are available only
to them
– Protective measures against Distributed Denial of Service (DDoS) attacks
– Validation of data security at rest, in use and during transit – almost inevitably, the data is going to
spread across multiple networks and devices after migration, with varying levels of risk and security.
Before you can take an effective plan to avoid risk completely, here’s a checklist or questions you need
to have answers:
– What type of sensitive data do you use, store or transfer?
– Who has access to this data?
– Why, when and where the users access this data?
– How is data stored when it is idle?
– How data access is controlled?
– What are the compliance requirements?
Performance Testing
Assessing performance and response time requirements of applications and workloads while
migrating to the cloud is a significant factor determining cloud migration success.
There are areas that affect moving an application to a cloud service, some of them include response
time implications and scalability factors. Check out the below steps to ensure workload performance
and SLAs are met:
– Identify and document business transactions and application’s end-to-end flow
– Identify business SLAs for the business transactions
– Examine if your software comes with limited internet bandwidth or intensive CPU and input-output
capacity requirements
– Address application’s architecture that is not appropriate with the cloud
– Identify monitoring requirements and setup tools
– Validate response times as per SLAs – perform Load Testing in parallel and validate whether
applications or service performances under various loads are meeting the SLAs
Disaster Recovery and
Business Continuity Plan
Be prepared for the worst-case scenarios in the cloud, from simple data recovery and disaster recovery
practice to a plan addressing unique incidents of attack. Validate all your disaster recovery plans in the
event of cloud outages.
– Test, measure and update business continuity processes periodically
– Perform tests to run simulations and evaluate team’s readiness
– Consider the test results to change or update your business continuity plan over time
– Validate application instances to restore automatically during hardware failures
- Performed in a scalable
test environment
- Inbuilt monitoring solution
- Monitoring,valdationand
measurement
- Performs validation of
Saas/cloud service
functions and end-to-end
functionalities of an
application
Security Testing
- Function based security
testing on application
features
- User privacy and security
- Data integrity and
protection
- Client/server access
control
- Monitoring and
measurement as part of
SaaS/cloud security
features
- User privacy and security
across a diverse range of
clients
- Data integrity and protect
on even during transit
and at rest
- SaaS/cloud applcation
program interface and
connectivity security
- Protection from DDoS
attacks and more
Security Testing
Performance
Testing
Disaster Recovery &
Business Continuity
Plan
Integration Testing
(With Third-Party
Applications)
Functional
Validation