mailbox/tools/indexer/src/test/java/org/apache/mailbox/tools/indexer/UserReindexingTaskSerializationTest.java

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package org.apache.mailbox.tools.indexer;

import static net.javacrumbs.jsonunit.assertj.JsonAssertions.assertThatJson;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.mock;

import java.io.IOException;
import java.time.Instant;
import java.util.List;

import org.apache.james.core.User;
import org.apache.james.mailbox.MessageUid;
import org.apache.james.mailbox.indexer.ReIndexingExecutionFailures;
import org.apache.james.mailbox.model.TestId;
import org.apache.james.server.task.json.JsonTaskAdditionalInformationsSerializer;
import org.apache.james.server.task.json.JsonTaskSerializer;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.google.common.collect.ImmutableList;

class UserReindexingTaskSerializationTest {

    private static final Instant TIMESTAMP = Instant.parse("2018-11-13T12:00:55Z");

    private ReIndexerPerformer reIndexerPerformer;
    private JsonTaskSerializer taskSerializer;
    private JsonTaskAdditionalInformationsSerializer jsonAdditionalInformationSerializer;

    private final User user = User.fromUsername("foo@apache.org");
    private final int successfullyReprocessedMailCount = 42;
    private final int failedReprocessedMailCount = 2;
    private ReIndexingExecutionFailures reIndexingExecutionFailures;
    private final String serializedUserReindexingTask = "{\"type\": \"userReIndexing\", \"username\": \"foo@apache.org\"}";

    private final String SERIALIZED_ADDITIONAL_INFORMATION = "{\"type\": \"userReIndexing\", \"user\": \"foo@apache.org\", \"successfullyReprocessedMailCount\":42,\"failedReprocessedMailCount\":2,\"failures\":[{\"mailboxId\":\"1\",\"uids\":[10]},{\"mailboxId\":\"2\",\"uids\":[20]}], \"timestamp\":\"2018-11-13T12:00:55Z\"}";

    private final TestId mailboxId = TestId.of(1L);
    private final MessageUid messageUid = MessageUid.of(10L);
    private final ReIndexingExecutionFailures.ReIndexingFailure indexingFailure = new ReIndexingExecutionFailures.ReIndexingFailure(mailboxId, messageUid);

    private final TestId mailboxId2 = TestId.of(2L);
    private final MessageUid messageUid2 = MessageUid.of(20L);

    private final ReIndexingExecutionFailures.ReIndexingFailure indexingFailure2 = new ReIndexingExecutionFailures.ReIndexingFailure(mailboxId2, messageUid2);
    private final List<ReIndexingExecutionFailures.ReIndexingFailure> failures = ImmutableList.of(indexingFailure, indexingFailure2);

    @BeforeEach
    void setUp() {
        reIndexerPerformer = mock(ReIndexerPerformer.class);
        UserReindexingTask.Factory factory = new UserReindexingTask.Factory(reIndexerPerformer);
        taskSerializer = new JsonTaskSerializer(UserReindexingTaskDTO.module(factory));
        jsonAdditionalInformationSerializer = new JsonTaskAdditionalInformationsSerializer(
            UserReindexingTaskAdditionalInformationDTO.serializationModule(new TestId.Factory()));

        reIndexingExecutionFailures = new ReIndexingExecutionFailures(ImmutableList.of(
            new ReIndexingExecutionFailures.ReIndexingFailure(mailboxId, messageUid),
            new ReIndexingExecutionFailures.ReIndexingFailure(mailboxId2, messageUid2)));
    }

    @Test
    void userReindexingShouldBeSerializable() throws JsonProcessingException {
        User user = User.fromUsername("foo@apache.org");
        UserReindexingTask task = new UserReindexingTask(reIndexerPerformer, user);

        assertThatJson(taskSerializer.serialize(task))
            .isEqualTo(serializedUserReindexingTask);
    }

    @Test
    void userReindexingShouldBeDeserializable() throws IOException {
        User user = User.fromUsername("foo@apache.org");
        UserReindexingTask task = new UserReindexingTask(reIndexerPerformer, user);

        assertThat(taskSerializer.deserialize(serializedUserReindexingTask))
            .isEqualToComparingOnlyGivenFields(task, "reIndexerPerformer");
    }


    @Test
    void additionalInformationShouldBeSerializable() throws JsonProcessingException {
        UserReindexingTask.AdditionalInformation details = new UserReindexingTask.AdditionalInformation(user, successfullyReprocessedMailCount, failedReprocessedMailCount, reIndexingExecutionFailures, TIMESTAMP);
        assertThatJson(jsonAdditionalInformationSerializer.serialize(details)).isEqualTo(SERIALIZED_ADDITIONAL_INFORMATION);
    }

    @Test
    void additionalInformationShouldBeDeserializable() throws IOException {
        UserReindexingTask.AdditionalInformation details = new UserReindexingTask.AdditionalInformation(user, successfullyReprocessedMailCount, failedReprocessedMailCount, reIndexingExecutionFailures, TIMESTAMP);
        assertThat(jsonAdditionalInformationSerializer.deserialize(SERIALIZED_ADDITIONAL_INFORMATION))
            .isEqualToComparingFieldByField(details);
    }
}