CorpusCase class

One labelled case in the validation corpus: an input plus its ground truth.

The input is produced lazily by build — a pure-Dart SemanticsSnapshot for a synthetic fixture, or one built from a pumped widget for a real-world case. The ground truth is expected, the set of findings a human confirmed the input should produce.

For every category except CorpusCategory.realWorld the case isolates a single ruleUnderTest: the harness scores only findings from that rule, so unrelated rules cannot pollute the measurement. A realWorld case leaves ruleUnderTest null, enables all rules, and must be labelled across every one of them.

Annotations

• @experimental
• @immutable

Constructors

CorpusCase({required String id, required CorpusCategory category, required Standard standard, required FutureOr<SemanticsSnapshot> build(), List<ExpectedFinding> expected = const [], String? ruleUnderTest})

Creates a CorpusCase.

const

Properties

build → FutureOr<SemanticsSnapshot> Function()

Builds the input to audit. Called once per harness run.

final

category → CorpusCategory

What role this case plays in the metrics (see CorpusCategory).

final

expected → List<ExpectedFinding>

The findings a human confirmed this case should produce. Empty for clean and adversarial cases, which must stay silent.

final

hashCode → int

The hash code for this object.

no setter, inherited

id → String

A stable, unique id for this case, e.g. interactive_name/unnamed_button.

final

isIsolated → bool

Whether this case isolates one ruleUnderTest (everything but realWorld).

no setter

ruleUnderTest → String?

The single rule this case isolates, or null for a CorpusCategory.realWorld case that runs every rule.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

standard → Standard

The standard pack to audit this case under. WCAG 2.2-only criteria only fire under Standard.wcag22, so a case for such a rule must select it.

final

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited