HCL Onetest API: Ensuring Sound Integration of Complex Systems
                     HCL OneTest API
ENSURING SOUND INTEGRATION OF COMPLEX SYSTEMS 
HCL OneTest API triggers and validates a system’s APIs across a range of network protocols and 
message formats. 
It allows test cases to examine individual exchanges within larger transactions. This can be done in 
a non-intrusive manner using the same technologies for recording and service virtualization. 
HCL OneTest API provides a scripting-free environment for developing tests for enterprise 
messaging and business process integration projects. HCL OneTest API’s authoring environment 
provides the ability to use the same tools for environment discovery, system modelling and 
message recording to provide baseline data for creating tests. 
Sample messages can be created and referenced in multiple test cases for maximum reusability. 
These messages can be used as templates, enabling simple updates for a group of tests, and 
shared validation rules allow re-use of validations across multiple test cases.
External
Dependencies
System Under Test
DB
App Server Browse Browse Browse
Inject Consume
Capabilities
Discover
Uses multiple tools to discover how the system under test fits together, 
including dependency relationships
Observes system traffic and/or extracts information held within servers to 
understand the system under test
Model
Builds a model for systems under test
 • Separates logical concerns from physical landscapes
 • Easily switches between environments
 • Houses all connection details in a single location
Test
Reuses data from the system model to create tests
 • Utilizes a codeless environment with a set of rich actions to aid  
  development
 • Provides further customization using ECMA Script or Groovy
Benefits
Reduces Risk
Tests complex integration points between applications before they cause 
problems. Adapts to constantly-changing business needs
Reduces Cost
Automates at the API layer to test without needing to set up complex end-
to-end environments
Improves Efficiency
Shifts testing left to test applications prior to delivery of the UI. Also, 
enhances coverage, while providing faster feedback to development
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