hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/serializer/BinaryBackendEntryTest.java

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 * work for additional information regarding copyright ownership. The ASF
 * licenses this file to You under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
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package org.apache.hugegraph.unit.serializer;

import org.junit.Test;

import org.apache.hugegraph.backend.serializer.BinaryBackendEntry;
import org.apache.hugegraph.backend.store.BackendEntry.BackendColumn;
import org.apache.hugegraph.testutil.Assert;
import org.apache.hugegraph.type.HugeType;
import org.apache.hugegraph.unit.BaseUnitTest;
import com.google.common.collect.ImmutableList;

public class BinaryBackendEntryTest extends BaseUnitTest {

    @Test
    public void testColumns() {
        BinaryBackendEntry entry = new BinaryBackendEntry(HugeType.VERTEX,
                                                          new byte[]{1, 2});
        BackendColumn col = BackendColumn.of(new byte[]{1, 2},
                                             new byte[]{3, 4});

        entry.columns(ImmutableList.of(col));
        Assert.assertEquals(1, entry.columnsSize());
        Assert.assertEquals(ImmutableList.of(col), entry.columns());

        entry.columns(ImmutableList.of(col, col));
        Assert.assertEquals(3, entry.columnsSize());
        Assert.assertEquals(ImmutableList.of(col, col, col), entry.columns());
    }

    @Test
    public void testClear() {
        BinaryBackendEntry entry = new BinaryBackendEntry(HugeType.VERTEX,
                                                          new byte[]{1, 2});
        BackendColumn col = BackendColumn.of(new byte[]{1, 2},
                                             new byte[]{3, 4});

        entry.column(col);
        Assert.assertEquals(1, entry.columnsSize());
        Assert.assertEquals(ImmutableList.of(col), entry.columns());

        entry.clear();
        Assert.assertEquals(0, entry.columnsSize());
        Assert.assertEquals(ImmutableList.of(), entry.columns());
    }

    @Test
    public void testMerge() {
        BinaryBackendEntry entry = new BinaryBackendEntry(HugeType.VERTEX,
                                                          new byte[]{1, 2});
        BinaryBackendEntry entry2 = new BinaryBackendEntry(HugeType.VERTEX,
                                                           new byte[]{2, 2});
        BackendColumn col = BackendColumn.of(new byte[]{1, 2},
                                             new byte[]{3, 4});
        BackendColumn col2 = BackendColumn.of(new byte[]{5, 6},
                                              new byte[]{7, 8});

        entry.column(col);
        entry2.column(col2);
        Assert.assertEquals(1, entry.columnsSize());
        Assert.assertEquals(ImmutableList.of(col), entry.columns());

        entry.merge(entry2);
        Assert.assertEquals(2, entry.columnsSize());
        Assert.assertEquals(ImmutableList.of(col, col2), entry.columns());
    }

    @Test
    public void testEquals() {
        BinaryBackendEntry entry = new BinaryBackendEntry(HugeType.VERTEX,
                                                          new byte[]{1, 2});
        BinaryBackendEntry entry2 = new BinaryBackendEntry(HugeType.VERTEX,
                                                           new byte[]{2, 2});
        BinaryBackendEntry entry3 = new BinaryBackendEntry(HugeType.VERTEX,
                                                           new byte[]{1, 2});
        BinaryBackendEntry entry4 = new BinaryBackendEntry(HugeType.VERTEX,
                                                           new byte[]{1, 2});
        BinaryBackendEntry entry5 = new BinaryBackendEntry(HugeType.VERTEX,
                                                           new byte[]{1, 2});
        BackendColumn col = BackendColumn.of(new byte[]{1, 2},
                                             new byte[]{3, 4});
        BackendColumn col2 = BackendColumn.of(new byte[]{5, 6},
                                              new byte[]{7, 8});

        entry.column(col);
        entry2.column(col2);
        entry3.column(col2);
        entry4.column(col);
        entry4.column(col2);
        entry5.column(col);

        Assert.assertNotEquals(entry, entry2);
        Assert.assertNotEquals(entry, entry3);
        Assert.assertNotEquals(entry, entry4);
        Assert.assertEquals(entry, entry5);
    }
}