qortal/src/test/RepositoryTests.java

package test;

import static org.junit.Assert.*;

import org.junit.Test;

import repository.DataException;
import repository.Repository;
import repository.RepositoryManager;

public class RepositoryTests extends Common {

	@Test
	public void testGetRepository() throws DataException {
		try (final Repository repository = RepositoryManager.getRepository()) {
			assertNotNull(repository);
		}
	}

	@Test
	public void testMultipleInstances() throws DataException {
		int n_instances = 5;
		Repository[] repositories = new Repository[n_instances];

		for (int i = 0; i < n_instances; ++i) {
			repositories[i] = RepositoryManager.getRepository();
			assertNotNull(repositories[i]);
		}

		for (int i = 0; i < n_instances; ++i) {
			repositories[i].close();
			repositories[i] = null;
		}
	}

	@Test
	public void testAccessAfterClose() throws DataException {
		Repository repository = RepositoryManager.getRepository();
		assertNotNull(repository);

		repository.close();

		try {
			repository.discardChanges();
			fail();
		} catch (NullPointerException | DataException e) {
		}
	}

}