content: /*
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this 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
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  * KIND, either express or implied.  See the License for the
  * specific language governing permissions and limitations
  * under the License.
  */
  package org.apache.cassandra.db.marshal;
  
  import java.nio.ByteBuffer;
  import java.nio.charset.CharacterCodingException;
  import java.util.*;
  
  import com.google.common.collect.Lists;
  import org.junit.AfterClass;
  import org.junit.Assert;
  import org.junit.BeforeClass;
  import org.junit.Test;
  
  import static org.apache.cassandra.utils.TimeUUID.Generator.nextTimeUUID;
  import static org.junit.Assert.fail;
  import static org.junit.Assert.assertEquals;
  import static org.quicktheories.QuickTheory.qt;
  
  import org.apache.cassandra.SchemaLoader;
  import org.apache.cassandra.Util;
  import org.apache.cassandra.schema.ColumnMetadata;
  import org.apache.cassandra.db.*;
  import org.apache.cassandra.db.rows.Cell;
  import org.apache.cassandra.db.rows.Row;
  import org.apache.cassandra.db.partitions.ImmutableBTreePartition;
  import org.apache.cassandra.exceptions.ConfigurationException;
  import org.apache.cassandra.exceptions.SyntaxException;
  import org.apache.cassandra.schema.KeyspaceParams;
  import org.apache.cassandra.serializers.MarshalException;
  import org.apache.cassandra.serializers.UUIDSerializer;
  import org.apache.cassandra.utils.*;
  import org.assertj.core.api.Assertions;
  import org.quicktheories.generators.SourceDSL;
  
  public class CompositeTypeTest
  {
      private static final String KEYSPACE1 = "CompositeTypeTest";
      private static final String CF_STANDARDCOMPOSITE = "StandardComposite";
      private static final CompositeType comparator;
      static
      {
          List<AbstractType<?>> subComparators = new ArrayList<AbstractType<?>>();
          subComparators.add(BytesType.instance);
          subComparators.add(TimeUUIDType.instance);
          subComparators.add(IntegerType.instance);
          comparator = CompositeType.getInstance(subComparators);
      }
  
      private static final int UUID_COUNT = 3;
      private static final TimeUUID[] uuids = new TimeUUID[UUID_COUNT];
      static
      {
          for (int i = 0; i < UUID_COUNT; ++i)
              uuids[i] = nextTimeUUID();
      }
  
  
      private static final TestNativeDataAllocator allocator = new TestNativeDataAllocator();
      @BeforeClass
      public static void setSetMemoryAllocator()
      {
          NativeAccessor.setNativeMemoryAllocator(allocator);
      }
  
      @AfterClass
      public static void releaseMemory()
      {
          allocator.close();
      }
  
      @BeforeClass
      public static void defineSchema() throws ConfigurationException
      {
          AbstractType<?> composite = CompositeType.getInstance(Arrays.asList(new AbstractType<?>[]{BytesType.instance, TimeUUIDType.instance, IntegerType.instance}));
          SchemaLoader.prepareServer();
          SchemaLoader.createKeyspace(KEYSPACE1,
                                      KeyspaceParams.simple(1),
                                      SchemaLoader.standardCFMD(KEYSPACE1, CF_STANDARDCOMPOSITE,
                                                                0,
                                                                AsciiType.instance, // key
                                                                AsciiType.instance, // value
                                                                composite)); // clustering
      }
  
      @Test
      public void testEndOfComponent()
      {
          ByteBuffer[] cnames = {
              createCompositeKey("test1", uuids[0], -1, false),
              createCompositeKey("test1", uuids[1], 24, false),
              createCompositeKey("test1", uuids[1], 42, false),
              createCompositeKey("test1", uuids[1], 83, false),
              createCompositeKey("test1", uuids[2], -1, false),
              createCompositeKey("test1", uuids[2], 42, false),
          };
  
          ByteBuffer start = createCompositeKey("test1", uuids[1], -1, false);
          ByteBuffer stop = createCompositeKey("test1", uuids[1], -1, true);
  
          for (int i = 0; i < 1; ++i)
          {
              assert comparator.compare(start, cnames[i]) > 0;
              assert comparator.compare(stop, cnames[i]) > 0;
          }
          for (int i = 1; i < 4; ++i)
          {
              assert comparator.compare(start, cnames[i]) < 0;
              assert comparator.compare(stop, cnames[i]) > 0;
          }
          for (int i = 4; i < cnames.length; ++i)
          {
              assert comparator.compare(start, cnames[i]) < 0;
              assert comparator.compare(stop, cnames[i]) < 0;
          }
      }
  
      @Test
      public void testGetString()
      {
          String test1Hex = ByteBufferUtil.bytesToHex(ByteBufferUtil.bytes("test1"));
          ByteBuffer key = createCompositeKey("test1", uuids[1], 42, false);
          assert comparator.getString(key).equals(test1Hex + ":" + uuids[1] + ":42");
  
          key = createCompositeKey("test1", uuids[1], -1, true);
          assert comparator.getString(key).equals(test1Hex + ":" + uuids[1] + ":!");
      }
  
      @Test
      public void testFromString()
      {
          String test1Hex = ByteBufferUtil.bytesToHex(ByteBufferUtil.bytes("test1"));
          ByteBuffer key = createCompositeKey("test1", uuids[1], 42, false);
          assert key.equals(comparator.fromString(test1Hex + ":" + uuids[1] + ":42"));
  
          key = createCompositeKey("test1", uuids[1], -1, true);
          assert key.equals(comparator.fromString(test1Hex + ":" + uuids[1] + ":!"));
      }
  
      @Test
      public void testValidate()
      {
          ByteBuffer key = createCompositeKey("test1", uuids[1], 42, false);
          comparator.validate(key);
  
          key = createCompositeKey("test1", (ByteBuffer) null, -1, false);
          comparator.validate(key);
  
          key = createCompositeKey("test1", uuids[2], -1, true);
          comparator.validate(key);
  
          key.get(); // make sure we're not aligned anymore
          try
          {
              comparator.validate(key);
              fail("Should not validate");
          }
          catch (MarshalException e) {}
  
          key = ByteBuffer.allocate(3 + "test1".length() + 3 + 14);
          key.putShort((short) "test1".length());
          key.put(ByteBufferUtil.bytes("test1"));
          key.put((byte) 0);
          key.putShort((short) 14);
          key.rewind();
          try
          {
              comparator.validate(key);
              fail("Should not validate");
          }
          catch (MarshalException e)
          {
              assert e.toString().contains("should be 16 or 0 bytes");
          }
  
          key = createCompositeKey("test1", UUIDSerializer.instance.serialize(UUID.randomUUID()), 42, false);
          try
          {
              comparator.validate(key);
              fail("Should not validate");
          }
          catch (MarshalException e)
          {
              assert e.toString().contains("Invalid version for TimeUUID type");
          }
      }
  
      @Test
      public void testFullRound() throws Exception
      {
          Keyspace keyspace = Keyspace.open(KEYSPACE1);
          ColumnFamilyStore cfs = keyspace.getColumnFamilyStore(CF_STANDARDCOMPOSITE);
  
          ByteBuffer cname1 = createCompositeKey("test1", (ByteBuffer) null, -1, false);
          ByteBuffer cname2 = createCompositeKey("test1", uuids[0], 24, false);
          ByteBuffer cname3 = createCompositeKey("test1", uuids[0], 42, false);
          ByteBuffer cname4 = createCompositeKey("test2", uuids[0], -1, false);
          ByteBuffer cname5 = createCompositeKey("test2", uuids[1], 42, false);
  
          ByteBuffer key = ByteBufferUtil.bytes("k");
  
          long ts = FBUtilities.timestampMicros();
          new RowUpdateBuilder(cfs.metadata(), ts, key).clustering(cname5).add("val", "cname5").build().applyUnsafe();
          new RowUpdateBuilder(cfs.metadata(), ts, key).clustering(cname1).add("val", "cname1").build().applyUnsafe();
          new RowUpdateBuilder(cfs.metadata(), ts, key).clustering(cname4).add("val", "cname4").build().applyUnsafe();
          new RowUpdateBuilder(cfs.metadata(), ts, key).clustering(cname2).add("val", "cname2").build().applyUnsafe();
          new RowUpdateBuilder(cfs.metadata(), ts, key).clustering(cname3).add("val", "cname3").build().applyUnsafe();
  
          ColumnMetadata cdef = cfs.metadata().getColumn(ByteBufferUtil.bytes("val"));
  
          ImmutableBTreePartition readPartition = Util.getOnlyPartitionUnfiltered(Util.cmd(cfs, key).build());
          Iterator<Row> iter = readPartition.iterator();
  
          compareValues(iter.next().getCell(cdef), "cname1");
          compareValues(iter.next().getCell(cdef), "cname2");
          compareValues(iter.next().getCell(cdef), "cname3");
          compareValues(iter.next().getCell(cdef), "cname4");
          compareValues(iter.next().getCell(cdef), "cname5");
      }
      private void compareValues(Cell<?> c, String r) throws CharacterCodingException
      {
          assert ByteBufferUtil.string(c.buffer()).equals(r) : "Expected: {" + ByteBufferUtil.string(c.buffer()) + "} got: {" + r + "}";
      }
  
      @Test
      public void testEmptyParametersNotallowed()
      {
          try
          {
              TypeParser.parse("CompositeType");
              fail("Shouldn't work");
          }
          catch (ConfigurationException e) {}
          catch (SyntaxException e) {}
  
          try
          {
              TypeParser.parse("CompositeType()");
              fail("Shouldn't work");
          }
          catch (ConfigurationException e) {}
          catch (SyntaxException e) {}
      }
  
      @Test
      public void testCompatibility() throws Exception
      {
          assert TypeParser.parse("CompositeType(IntegerType, BytesType)").isCompatibleWith(TypeParser.parse("CompositeType(IntegerType)"));
          assert TypeParser.parse("CompositeType(IntegerType, BytesType)").isCompatibleWith(TypeParser.parse("CompositeType(IntegerType, BytesType)"));
          assert TypeParser.parse("CompositeType(BytesType, BytesType)").isCompatibleWith(TypeParser.parse("CompositeType(AsciiType, BytesType)"));
  
          assert !TypeParser.parse("CompositeType(IntegerType)").isCompatibleWith(TypeParser.parse("CompositeType(IntegerType, BytesType)"));
          assert !TypeParser.parse("CompositeType(IntegerType)").isCompatibleWith(TypeParser.parse("CompositeType(BytesType)"));
      }
  
      @Test
      public void testEscapeUnescape()
      {
          List<AbstractType<?>> subComparators = new ArrayList<AbstractType<?>>(){{;
              add(UTF8Type.instance);
              add(UTF8Type.instance);
          }};
          CompositeType comp = CompositeType.getInstance(subComparators);
  
          String[][] inputs = new String[][]{
              new String[]{ "foo", "bar" },
              new String[]{ "", "" },
              new String[]{ "foo\\", "bar" },
              new String[]{ "foo\\:", "bar" },
              new String[]{ "foo:", "bar" },
              new String[]{ "foo", "b:ar" },
              new String[]{ "foo!", "b:ar" },
          };
  
  
          for (String[] input : inputs)
          {
              ByteBuffer[] bbs = new ByteBuffer[input.length];
              for (int i = 0; i < input.length; i++)
                  bbs[i] = UTF8Type.instance.fromString(input[i]);
  
              ByteBuffer value = comp.fromString(comp.getString(CompositeType.build(ByteBufferAccessor.instance, bbs)));
              ByteBuffer[] splitted = comp.split(value);
              for (int i = 0; i < splitted.length; i++)
                  assertEquals(input[i], UTF8Type.instance.getString(splitted[i]));
          }
      }
  
      private ByteBuffer createCompositeKey(String s, TimeUUID uuid, int i, boolean lastIsOne)
      {
          return createCompositeKey(s, uuid == null ? null : uuid.toBytes(), i, lastIsOne);
      }
  
      private ByteBuffer createCompositeKey(String s, ByteBuffer uuid, int i, boolean lastIsOne)
      {
          ByteBuffer bytes = ByteBufferUtil.bytes(s);
          int totalSize = 0;
          if (s != null)
          {
              totalSize += 2 + bytes.remaining() + 1;
              if (uuid != null)
              {
                  totalSize += 2 + 16 + 1;
                  if (i != -1)
                  {
                      totalSize += 2 + 1 + 1;
                  }
              }
          }
  
          ByteBuffer bb = ByteBuffer.allocate(totalSize);
  
          if (s != null)
          {
              bb.putShort((short) bytes.remaining());
              bb.put(bytes);
              bb.put(uuid == null && lastIsOne ? (byte)1 : (byte)0);
              if (uuid != null)
              {
                  bb.putShort((short) 16);
                  bb.put(uuid);
                  bb.put(i == -1 && lastIsOne ? (byte)1 : (byte)0);
                  if (i != -1)
                  {
                      // We are putting a byte only because our test use ints that fit in a byte *and* IntegerType.fromString() will
                      // return something compatible (i.e, putting a full int here would break 'fromStringTest')
                      bb.putShort((short) 1);
                      bb.put((byte)i);
                      bb.put(lastIsOne ? (byte)1 : (byte)0);
                  }
              }
          }
          bb.rewind();
          return bb;
      }
  
      private static <V> void testToFromString(ByteBuffer bytes, ValueAccessor<V> accessor, CompositeType type)
      {
          V value = accessor.valueOf(bytes);
          String s = type.getString(value, accessor);
          ByteBuffer fromString = type.fromString(s);
          Assert.assertEquals(bytes, fromString);
      }
  
  
      @Test
      public void testLargeValues()
      {
          CompositeType type = CompositeType.getInstance(Lists.newArrayList(BytesType.instance));
          ByteBuffer expected = ByteBuffer.allocate(0xFFFE);
          new Random(0).nextBytes(expected.array());
          ByteBuffer serialized = CompositeType.build(ByteBufferAccessor.instance, expected);
          for (ValueAccessor<?> accessor : ValueAccessors.ACCESSORS)
              testToFromString(serialized, accessor, type);
      }
  
      @Test
      public void testSizeHeader()
      {
          ByteBuffer bb = ByteBuffer.allocate(2);
          qt().forAll(SourceDSL.integers().between(0, FBUtilities.MAX_UNSIGNED_SHORT)).checkAssert(size -> {
              bb.clear();
  
              ByteBufferUtil.writeShortLength(bb, size);
              bb.flip();
              Assertions.assertThat(ByteBufferAccessor.instance.getUnsignedShort(bb, 0))
                        .isEqualTo(ByteBufferUtil.readShortLength(bb))
                        .isEqualTo(size);
          });
      }
  }
  