import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

public class DependencyLockingGraphVisitor implements DependencyGraphVisitor {

    private final String lockId;
    private final DisplayName lockOwner;
    private final DependencyLockingProvider dependencyLockingProvider;

        }

        ResolutionHost resolutionHost = resolveContext.getResolutionHost();
        DependencyLockingGraphVisitor lockingVisitor = null;
        if (resolutionStrategy.isDependencyLockingEnabled()) {
            lockingVisitor = new DependencyLockingGraphVisitor(resolveContext.getDependencyLockingId(), resolutionHost.displayName(), dependencyLockingProvider);
            graphVisitors.add(lockingVisitor);

    RootGraphNode rootNode = Mock()
    DependencyLockingState lockState = Mock()
    ModuleIdentifier mid = DefaultModuleIdentifier.newId("org", "foo")

    @Subject
    def visitor = new DependencyLockingGraphVisitor(lockId, Describables.of("owner"), dependencyLockingProvider)

    def 'initialises when there is lock state'() {
        when:
        visitor.start(rootNode)

        then: