import static org.junit.jupiter.api.Assertions.assertNotNull;

/**
 * Simple test to verify that Plugin objects returned by MavenProject.getPlugin() are connected to the project model.
 * This test specifically verifies the fix for the <a href="https://github.com/apache/maven/pull/2530">issue</a> where
 * getPlugin() was returning disconnected Plugin objects.
 */
class PluginConnectionSimpleTest {

    @Test

        MavenSession session = createMavenSession(getProject("project-contributing-system-scope-plugin-dep"));
        MavenProject project = session.getCurrentProject();
        Plugin plugin = project.getPlugin("org.apache.maven.its.plugins:maven-it-plugin");

        RepositoryRequest repositoryRequest = new DefaultRepositoryRequest();
        repositoryRequest.setLocalRepository(getLocalRepository());

    public org.apache.maven.plugin.MojoExecution getDelegate() {
        return delegate;
    }

    @Override
    public Plugin getPlugin() {
        return new Plugin() {
            @Override
            public org.apache.maven.api.model.Plugin getModel() {
                return delegate.getPlugin().getDelegate();
            }

            @Override
            public PluginDescriptor getDescriptor() {

    }

    public String getLifecyclePhase() {
        return mojoExecution.getLifecyclePhase();
    }

    public Plugin getPlugin() {
        final MojoDescriptor mojoDescriptor = getMojoExecution().getMojoDescriptor();
        return mojoDescriptor.getPluginDescriptor().getPlugin();
    }

    @Override
    public String toString() {

        String g = mojoExecution.getPlugin().getGroupId();

        String a = mojoExecution.getPlugin().getArtifactId();

        Plugin plugin = findPlugin(g, a, project.getBuildPlugins());

        if (plugin == null && project.getPluginManagement() != null) {
            plugin = findPlugin(g, a, project.getPluginManagement().getPlugins());
        }

        if (plugin != null) {

        return source;
    }

    public String getExecutionId() {
        return executionId;
    }

    public Plugin getPlugin() {
        if (mojoDescriptor != null) {
            return mojoDescriptor.getPluginDescriptor().getPlugin();
        }

        return plugin;
    }

    public MojoDescriptor getMojoDescriptor() {
        return mojoDescriptor;
    }

 * expressions.
 *
 * @since 4.0.0
 */
@Experimental
public interface MojoExecution {

    @Nonnull
    Plugin getPlugin();

    @Nonnull
    PluginExecution getModel();

    @Nonnull
    MojoDescriptor getDescriptor();

    @Nonnull
    String getExecutionId();

    @Nonnull
    String getGoal();

                                .collect(Collectors.joining(System.lineSeparator() + "\t")),
                cause);
        this.plugin = plugin;
    }

    public Plugin getPlugin() {
        return plugin;
    }

                plugin.getVersion(),
                "maven-plugin",
                null,
                remoteRepositories,
                null);
        this.plugin = plugin;
    }

    public Plugin getPlugin() {
        return plugin;
    }

            final MojoExecution mojoExecution = executionPlanItem.getMojoExecution();
            if (!mojoExecution.getMojoDescriptor().isThreadSafe()) {
                plugins.add(mojoExecution.getPlugin());
            }
        }
        return plugins;
    }

    /**
     * Get set of mojos used but not marked @threadSafe
     *
     * @return the set of mojo descriptors
     */