StepInput class

Holds the configuration, executable callback, parameters, and expected assertion outcomes for a single BDD scenario step.

Immutably preserves step metadata while offering copy-with mutation methods to layer logic, parameters, or exception assertions onto an existing instance.

Constructors

StepInput({String? description, Function? callback, dynamic params, Type? exceptionType, String? exceptionMessage})

Creates an immutable step configuration container.

Properties

callback → Function?

final

description → String?

final

exceptionMessage → String?

final

exceptionType → Type?

final

hashCode → int

The hash code for this object.

no setter, inherited

params → dynamic

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

execute() → StepResult

Executes the internal callback logic to determine test step outcomes.

executeAsSkipped() → StepResult

expectException<T extends Object>([String? expectedMessage]) → StepInput

Flags this step to expect a runtime exception of type T during invocation.

getDescription() → String?

Resolves a localized, human-readable description for this step instance.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

override

withCallback(Function fn) → StepInput

Creates a new copy of StepInput with the specified executable fn attached.

withParams(dynamic newParams) → StepInput

Creates a new copy of StepInput updated with runtime execution parameters.

Operators

operator ==(Object other) → bool

The equality operator.

inherited