doc / ch.tutteli.atrium.domain.creating.collectors / AssertionCollector / collectForComposition


abstract fun <T> collectForComposition(maybeSubject: Option<T>, assertionCreator: Expect<T>.() -> Unit): List<Assertion>

Use this function if you want to collect Assertions and use it as part of an AssertionGroup.


maybeSubject - Either Some wrapping the subject of the current assertion or None in case a previous subject change was not successful - used as subject for the given assertionCreator.

assertionCreator - A lambda which defines the assertions for the feature.


IllegalArgumentException - in case the given assertionCreator did not create a single assertion.

The collected assertions as a List<[Assertion]>.