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test_bootstrapable.go
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test_bootstrapable.go
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// (c) 2019-2020, Ava Labs, Inc. All rights reserved.
// See the file LICENSE for licensing terms.
package common
import (
"errors"
"testing"
"github.com/ava-labs/avalanchego/ids"
)
// BootstrapableTest is a test engine that supports bootstrapping
type BootstrapableTest struct {
T *testing.T
CantCurrentAcceptedFrontier,
CantFilterAccepted,
CantForceAccepted bool
CurrentAcceptedFrontierF func() (acceptedContainerIDs []ids.ID)
FilterAcceptedF func(containerIDs []ids.ID) (acceptedContainerIDs []ids.ID)
ForceAcceptedF func(acceptedContainerIDs []ids.ID) error
}
// Default sets the default on call handling
func (b *BootstrapableTest) Default(cant bool) {
b.CantCurrentAcceptedFrontier = cant
b.CantFilterAccepted = cant
b.CantForceAccepted = cant
}
// CurrentAcceptedFrontier implements the Bootstrapable interface
func (b *BootstrapableTest) CurrentAcceptedFrontier() []ids.ID {
if b.CurrentAcceptedFrontierF != nil {
return b.CurrentAcceptedFrontierF()
}
if b.CantCurrentAcceptedFrontier && b.T != nil {
b.T.Fatalf("Unexpectedly called CurrentAcceptedFrontier")
}
return nil
}
// FilterAccepted implements the Bootstrapable interface
func (b *BootstrapableTest) FilterAccepted(containerIDs []ids.ID) []ids.ID {
if b.FilterAcceptedF != nil {
return b.FilterAcceptedF(containerIDs)
}
if b.CantFilterAccepted && b.T != nil {
b.T.Fatalf("Unexpectedly called FilterAccepted")
}
return nil
}
// ForceAccepted implements the Bootstrapable interface
func (b *BootstrapableTest) ForceAccepted(containerIDs []ids.ID) error {
if b.ForceAcceptedF != nil {
return b.ForceAcceptedF(containerIDs)
} else if b.CantForceAccepted {
if b.T != nil {
b.T.Fatalf("Unexpectedly called ForceAccepted")
}
return errors.New("unexpectedly called ForceAccepted")
}
return nil
}