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119 lines (106 loc) · 3.5 KB
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/*
* Copyright © 2016-2025 The LmdbJava Open Source Project
*
* Licensed 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.lmdbjava;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.lmdbjava.Env.create;
import static org.lmdbjava.EnvFlags.MDB_NOSUBDIR;
import static org.lmdbjava.TxnFlags.MDB_RDONLY_TXN;
import java.nio.ByteBuffer;
import java.nio.file.Path;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.lmdbjava.Env.AlreadyClosedException;
import org.lmdbjava.Txn.IncompatibleParent;
/**
* Tests all the deprecated txn related methods in {@link Env}. Essentially a duplicate of {@link
* TxnTest}. When all the deprecated methods are deleted we can delete this test class.
*
* @deprecated Tests all the deprecated txn related methods in {@link Env}.
*/
@Deprecated
public final class TxnDeprecatedTest {
private Path file;
private Env<ByteBuffer> env;
private TempDir tempDir;
@BeforeEach
void beforeEach() {
tempDir = new TempDir();
file = tempDir.createTempFile();
env =
create()
.setMapSize(256, ByteUnit.KIBIBYTES)
.setMaxReaders(1)
.setMaxDbs(2)
.setEnvFlags(MDB_NOSUBDIR)
.open(file);
}
@AfterEach
void afterEach() {
env.close();
tempDir.cleanup();
}
@Test
public void txParent() {
try (Txn<ByteBuffer> txRoot = env.txnWrite();
Txn<ByteBuffer> txChild = env.txn(txRoot, new TxnFlags[0])) {
assertThat(txRoot.getParent()).isNull();
assertThat(txChild.getParent()).isEqualTo(txRoot);
}
}
@Test
public void txParent2() {
try (Txn<ByteBuffer> txRoot = env.txnWrite();
Txn<ByteBuffer> txChild = env.txn(txRoot, (TxnFlags[]) null)) {
assertThat(txRoot.getParent()).isNull();
assertThat(txChild.getParent()).isEqualTo(txRoot);
}
}
@Test
void txParentDeniedIfEnvClosed() {
assertThatThrownBy(
() -> {
try (Txn<ByteBuffer> txRoot = env.txnWrite();
Txn<ByteBuffer> txChild = env.txn(txRoot, new TxnFlags[0])) {
env.close();
assertThat(txChild.getParent()).isEqualTo(txRoot);
}
})
.isInstanceOf(AlreadyClosedException.class);
}
@Test
void txParentROChildRWIncompatible() {
assertThatThrownBy(
() -> {
try (Txn<ByteBuffer> txRoot = env.txnRead()) {
env.txn(txRoot, new TxnFlags[0]); // error
}
})
.isInstanceOf(IncompatibleParent.class);
}
@Test
void txParentRWChildROIncompatible() {
assertThatThrownBy(
() -> {
try (Txn<ByteBuffer> txRoot = env.txnWrite()) {
TxnFlags[] flags = new TxnFlags[] {MDB_RDONLY_TXN};
env.txn(txRoot, flags); // error
}
})
.isInstanceOf(IncompatibleParent.class);
}
}