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Reference Guide
This guide describes conceptual information about data design environment components when you want to use the data fabrication feature in HCL OneTest™ Server.
Schema design
A schema is a graphical data dictionary that contains metadata definitions of the structure of a document to generate test data. Schema provides visual cues for understanding the structure and complete definition of an object.
Schema analyzer
Error and warning messages

Reference Guide
This guide describes conceptual information about data design environment components when you want to use the data fabrication feature in HCL OneTest™ Server.
- Files
  You add a file to a project to use it as input in the project. You can upload a file from your local file system to a project from the Files tab to generate test data. Alternatively, you can upload it when you define an action.
- Connections
  A connection defines the properties that are required to connect to an external resource. An action uses a connection to provide source data to a project or write data from a source to a target. Multiple actions can use the same connection. You can define both connections and actions at the project level.
- Schema design
  A schema is a graphical data dictionary that contains metadata definitions of the structure of a document to generate test data. Schema provides visual cues for understanding the structure and complete definition of an object.
  - Introduction to schema design
    Use the Schemas tab to define, modify, and view schemas. A schema describes the syntax, structure, and semantics of your data.
  - Type properties
    The properties of a type define the characteristics of the data objects of that type.
  - Item restrictions
    Item restrictions are an optional feature you can use to specify valid or invalid data objects for an item type. Item restrictions are grouped into three categories: Value, Character, and Range.
  - Components
  - Partitioning
  - Type inheritance
  - Schema analyzer
  - Distinguishable objects
  - Functions and expressions

Error and warning messages

Analysis results might contain error and warning messages.

Warnings are relatively insignificant. They indicate an inconsistency that occurred when you changed something in the tree that was resolved. For example, if you change a group to an item, the analyzer removes the components of that type because items do not have components. To remind you of this change, the analyzer issues a warning.

Errors are important. An error is a problem in your type definitions that you should correct. An error may result in unpredictable results in your mapping.

Occasionally there are errors that prevent the analysis of the rest of your definitions (for example, when a component type cannot be found in the tree). Analysis halted before completion is displayed. This error might be due to one of the following:

Undefined COMPONENT found: ending analysis.
Circular reference found in COMPONENT list: ending analysis.

When this occurs, correct the errors and analyze the tree again.