package jnpf.dmsService.pdf;

import jnpf.dmsEntity.permission.entity.DmsFileVersionEntity;
import jnpf.dmsEntity.storage.entity.DmsFileObjectEntity;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNull;

class DmsPersistentPdfSourcesTest {
    @Test
    void returnsSourceOnlyWhenOriginalChecksumMatches() {
        DmsFileVersionEntity version = new DmsFileVersionEntity();
        version.setChecksumSha256("a".repeat(64));
        DmsFileObjectEntity object = object();

        assertEquals("dms-derived/pdf/version/source.pdf",
                DmsPersistentPdfSources.valid(version, object).getObjectKey());

        object.setPdfSourceChecksumSha256("b".repeat(64));
        assertNull(DmsPersistentPdfSources.valid(version, object));
    }

    private DmsFileObjectEntity object() {
        DmsFileObjectEntity object = new DmsFileObjectEntity();
        object.setPdfObjectKey("dms-derived/pdf/version/source.pdf");
        object.setPdfSizeBytes(123L);
        object.setPdfChecksumSha256("c".repeat(64));
        object.setPdfSourceChecksumSha256("a".repeat(64));
        return object;
    }
}