server/protocols/jmap-draft/src/test/java/org/apache/james/jmap/http/DefaultMailboxesProvisionerThreadTest.java

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package org.apache.james.jmap.http;

import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import java.time.Duration;

import org.apache.james.core.Username;
import org.apache.james.mailbox.MailboxManager;
import org.apache.james.mailbox.MailboxSession;
import org.apache.james.mailbox.MailboxSessionUtil;
import org.apache.james.mailbox.model.MailboxPath;
import org.apache.james.mailbox.model.TestId;
import org.apache.james.metrics.tests.RecordingMetricFactory;
import org.apache.james.util.concurrency.ConcurrentTestRunner;
import org.junit.Before;
import org.junit.Test;

import reactor.core.publisher.Mono;

public class DefaultMailboxesProvisionerThreadTest {

    private static final Username USERNAME = Username.of("username");

    private DefaultMailboxesProvisioner testee;
    private MailboxSession session;
    private MailboxManager mailboxManager;

    @Before
    public void before() {
        session = MailboxSessionUtil.create(USERNAME);
        mailboxManager = mock(MailboxManager.class);
        when(mailboxManager.createMailboxReactive(any(), any())).thenReturn(Mono.empty());
        testee = new DefaultMailboxesProvisioner(mailboxManager, new RecordingMetricFactory());
    }

    @Test
    public void testConcurrentAccessToFilterShouldNotThrow() throws Exception {
        when(mailboxManager.createMailboxReactive(any(MailboxPath.class), any(MailboxManager.CreateOption.class), eq(session))).thenReturn(Mono.just(TestId.of(18L)));
        when(mailboxManager.mailboxExists(any(MailboxPath.class), eq(session))).thenReturn(Mono.just(false));
        when(mailboxManager.createSystemSession(USERNAME)).thenReturn(session);

        ConcurrentTestRunner
            .builder()
            .operation((threadNumber, step) -> testee.createMailboxesIfNeeded(session).block())
            .threadCount(2)
            .runSuccessfullyWithin(Duration.ofMinutes(1));
    }
}