Spy

Spy comprises Smalltalk profiler tools and a code analysis framework. Spy contains

Hapa”o – Test Coverage Tool, for test coverage assess with an intuitive and interactive graphical representation of the software test suite.
Kai – Code Execution Profiler offers an intuitive and appealing visual representation of software code execution.

The Spy component also contains the Mondrian framework on which these tools are built (and others may be).