mailbox/cassandra/src/test/java/org/apache/james/mailbox/cassandra/mail/migration/MailboxPathV2MigrationTaskSerializationTest.java

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package org.apache.james.mailbox.cassandra.mail.migration;

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 org.apache.james.server.task.json.JsonTaskAdditionalInformationsSerializer;
import org.apache.james.server.task.json.JsonTaskSerializer;
import org.apache.james.task.TaskExecutionDetails;

import com.fasterxml.jackson.core.JsonProcessingException;
import org.junit.jupiter.api.Test;

class MailboxPathV2MigrationTaskSerializationTest {
    private static final Instant TIMESTAMP = Instant.parse("2018-11-13T12:00:55Z");
    private static final MailboxPathV2Migration MIGRATION = mock(MailboxPathV2Migration.class);
    private static final MailboxPathV2Migration.MailboxPathV2MigrationTask TASK = new MailboxPathV2Migration.MailboxPathV2MigrationTask(MIGRATION);
    private static final String SERIALIZED_TASK = "{\"type\": \"Cassandra_mailboxPathV2Migration\"}";
    private static final MailboxPathV2Migration.AdditionalInformation DETAILS = new MailboxPathV2Migration.AdditionalInformation(42L, 10, TIMESTAMP);
    private static final String SERIALIZED_ADDITIONAL_INFORMATION = "{\"type\": \"Cassandra_mailboxPathV2Migration\", \"remainingCount\":42,\"initialCount\":10, \"timestamp\":\"2018-11-13T12:00:55Z\"}";

    private static final JsonTaskSerializer TASK_SERIALIZER = new JsonTaskSerializer(MailboxPathV2MigrationTaskDTO.MODULE.apply(MIGRATION));
    private static final JsonTaskAdditionalInformationsSerializer JSON_TASK_ADDITIONAL_INFORMATIONS_SERIALIZER = new JsonTaskAdditionalInformationsSerializer(MailboxPathV2MigrationTaskAdditionalInformationDTO.MODULE);

    @Test
    void taskShouldBeSerializable() throws JsonProcessingException {
        assertThatJson(TASK_SERIALIZER.serialize(TASK))
            .isEqualTo(SERIALIZED_TASK);
    }

    @Test
    void taskShouldBeDeserializable() throws IOException {
        assertThat(TASK_SERIALIZER.deserialize(SERIALIZED_TASK))
            .isEqualToComparingFieldByField(TASK);
    }

    @Test
    void additionalInformationShouldBeSerializable() throws JsonProcessingException {
        assertThatJson(JSON_TASK_ADDITIONAL_INFORMATIONS_SERIALIZER.serialize(DETAILS)).isEqualTo(SERIALIZED_ADDITIONAL_INFORMATION);
    }

    @Test
    void additonalInformationShouldBeDeserializable() throws IOException {
        TaskExecutionDetails.AdditionalInformation deserialized = JSON_TASK_ADDITIONAL_INFORMATIONS_SERIALIZER.deserialize(SERIALIZED_ADDITIONAL_INFORMATION);
        assertThat(deserialized).isInstanceOf(MailboxPathV2Migration.AdditionalInformation.class);

        MailboxPathV2Migration.AdditionalInformation additionalInformation = (MailboxPathV2Migration.AdditionalInformation) deserialized;
        assertThat(additionalInformation.getRemainingCount()).isEqualTo(DETAILS.getRemainingCount());
        assertThat(additionalInformation.getInitialCount()).isEqualTo(DETAILS.getInitialCount());
    }
}