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Industrializing Testing Services for SaaS Products

Category : Testing
Software as a service (SaaS) is a key component today of every enterprise application outsourcing strategy. A driver for cloud adoption is to reduce capital expenditure and operating costs of noncore functions, such as administrative software, with the organization focusing on core business areas.
Quality, though, cannot be outsourced. The task of ensuring that the software delivers expected quality—within reasonable costs and speed—rests with the organization. Below are three scenarios and test imperatives that organizations would do well to consider while adopting an SaaS strategy.

Scenario 1: Implementation or migration to an SaaS product: This is the most complex scenario. It involves significant customization of the standard code base to meet the organizational requirement. The degree of automation possible in cloud technology is limited, making this a very manual-intensive process. Added to this is the complexity of testing third-party applications and migrated data.
This mandates comprehensive testing of configurations, integration touch points, interfaces, reports, network security, browser penetration tests, user profile tests performance tests, data conversion tests, and mobile and cross-browser tests. Parallel testing to validate same-period processing against legacy production applications with third-party integration and country-specific compliance tests also plays a key role.

Scenario 2: Maintenance testing: This involves testing change requests of core product and third-party applications interfacing with the product. Over time 40 percent to 50 percent of regression tests can be automated.

Scenario 3: Updates testing: Most SaaS products have frequent updates, and it is critical to test a subset of the configuration,  processes, interfaces, reports, and security tests during every update cycle.

The above scenarios are typical for most SaaS products. Consequently, it can be a smart decision to industrialize the testing process by creating a simple catalog of testing types, such as the one outlined below, and indicating mandatory and optional test types in all scenarios. Over time, this list can get formalized by product, eliminating dependency on the testing process.
Test type Implement Maintenance Updates
Functional M    
Integration M M M
Performance M O  
Data Conversion M    
Configuration M   M
Regression M M M
Compatibility M    
User Profile M O  
Parallel M    
Security M   M
Reports M   O
Compliance M   O
Mobile O O O
UAT M O M
Figure 1: Test types by scenario
 
Test type Definition
Functional Testing of end-to-end processes between multiple product functions
Integration Testing of integrated environment along with other applications. This includes some level of configuration, regression, compatibility, web services, and user profile tests
Performance Testing to measure stress acceptance level and response time
Data Conversion Testing the quality of data transfer from existing database to SaaS product
Configuration Testing the setup of business process configurations
Regression Regression testing during updates and maintenance
Compatibility Testing compatibility across various browsers
Parallel Validating same-period processing against legacy production application and third-party integrations
User Profile Profile-level access testing
Security Validating security controls at access and connectivity level
Reports Testing for any strategic and operational-level reports
Compliance Testing country-specific regulations
Mobile Testing functionality on standard platforms
UAT Validating system by end-users
Figure 2: Catalog of test types

Smart testing with the right blend of depth and speed is the cornerstone of successfully testing SaaS applications. Reap the benefits of SaaS products by creating an effective, reusable strategy.

This blog was published on techwell  http://www.techwell.com/2015/04/industrializing-testing-services-saas-products

About the author

Deepika Mamnani
Deepika Mamnani
I build solutions for strategic testing initiatives. My core competency is conducting transformation assessments. I also play an advisory roles in building business cases for managed testing both in-house and out-sourced

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