frostfs-sdk-java/models/src/test/java/info/frostfs/sdk/mappers/SessionMapperTest.java

package info.frostfs.sdk.mappers;

import com.google.protobuf.ByteString;
import frostfs.session.Types;
import org.junit.jupiter.api.Test;

import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.*;

public class SessionMapperTest {
    private static final byte[] SERIALIZED_TOKEN = new byte[]
            {10, 21, 10, 5, 1, 2, 3, 4, 5, 26, 6, 8, 1, 16, 3, 24, 2, 34, 4, 6, 7, 8, 9};

    @Test
    void serialize_success() {
        //Given
        var sessionToken = createSessionToken();

        //When
        var result = SessionMapper.serialize(sessionToken);

        //Then
        assertNotNull(result);
        assertThat(result).hasSize(23).containsExactly(SERIALIZED_TOKEN);
    }

    @Test
    void serialize_wrong() {
        //When + Then
        assertThrows(IllegalArgumentException.class, () -> SessionMapper.serialize(null));
    }

    @Test
    void deserialize_success() {
        //When
        var result = SessionMapper.deserializeSessionToken(SERIALIZED_TOKEN);

        //Then
        assertNotNull(result);
        assertEquals(createSessionToken(), result);
    }

    @Test
    void deserialize_wrong() {
        //When + Then
        assertThrows(IllegalArgumentException.class, () -> SessionMapper.deserializeSessionToken(null));
        assertThrows(IllegalArgumentException.class, () -> SessionMapper.deserializeSessionToken(new byte[]{}));
    }

    private Types.SessionToken createSessionToken() {
        var lifetime = Types.SessionToken.Body.TokenLifetime.newBuilder()
                .setExp(1)
                .setIat(2)
                .setNbf(3)
                .build();

        var body = Types.SessionToken.Body.newBuilder()
                .setId(ByteString.copyFrom(new byte[]{1, 2, 3, 4, 5}))
                .setSessionKey(ByteString.copyFrom(new byte[]{6, 7, 8, 9}))
                .setLifetime(lifetime)
                .build();

        return Types.SessionToken.newBuilder()
                .setBody(body)
                .build();
    }
}