step

type Binding struct {
	LocalField string
	SrcField   *field.Field
}

type Builder interface {
	// Build builds a new test step.
	// TODO: replace loader.TestStep with a dedicated type.
	Build(testStep *loader.TestStep) (Step, error)
}

type FieldBinding struct {
	LocalField string
	SrcName    string
	SrcField   string
}

type Step interface {
	// Name returns the step name.
	Name() string
	// Run runs the step. If the step requires any binding to be performed, it must be done (by calling Bind), before
	// trying to run the step; otherwise, an error is returned.
	Run(ctx context.Context) error
	// Cleanup restores the environment to the state it was before running the step.
	Cleanup(ctx context.Context) error
	// Bind binds fields of the current step to values of other steps, as described by the provided bindings.
	Bind(bindings []*Binding) error
	// FieldBindings provides the list of field bindings.
	FieldBindings() []*FieldBinding
	field.Retriever
}