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package io.spine.core;

import io.spine.server.event.EventFactory;
import io.spine.server.type.EventEnvelope;
import io.spine.server.type.given.GivenEvent;
import io.spine.testing.core.given.GivenUserId;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

import static com.google.common.truth.Truth.assertThat;
import static io.spine.protobuf.AnyPacker.pack;
import static io.spine.server.event.EventFactory.on;

/**
 * Extra tests for {@link Signal}s.
 *
 * <p>The main test suite for {@code Signal}s is located in the {@code core} module. This test suite
 * only hosts tests which rely on the components from the {@code server} module.
 */
@DisplayName("`Signal` also should")
class SignalTest {

    @Test
    @DisplayName("produce correct origin")
    void produceOrigin() {
        Event originalEvent = GivenEvent.arbitrary();
        UserId producerEntityId = GivenUserId.generated();
        EventFactory factory = on(EventEnvelope.of(originalEvent), pack(producerEntityId));
        Event derivativeEvent = factory.createEvent(GivenEvent.message(), null);
        Origin origin = derivativeEvent.getContext().getPastMessage();
        assertThat(origin.getMessage())
                .isEqualTo(originalEvent.messageId());
        assertThat(origin.hasGrandOrigin())
                .isFalse();
    }
}

Add a test for message origins
Add a test for message origins
