SchemaCoverage

class lsst.images.tests.SchemaCoverage(name, version, expressed, absent, positions, sources)

Bases: object

What the fixture tree exercises of one schema version.

Parameters:

• name (str)

• version (str)

• expressed (frozenset[str])

• absent (frozenset[str])

• positions (tuple[SubSchemaPosition, ...])

• sources (frozenset[str])

Attributes Summary

absent_roots

The shallowest absent path of each absent subtree.

Attributes Documentation

absent_roots

The shallowest absent path of each absent subtree.

A field left unset takes its whole declared subtree with it, so butler_info being None everywhere would otherwise report every path beneath it as a separate gap. Only the outermost is actionable: populate that field and its children become reachable.