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76 lines (53 loc) · 1.86 KB
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package org.mapdb;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.io.File;
import java.util.NavigableSet;
public class Issue89Test {
private static final String MY_TEST_DATA_FILE = UtilsTest.tempDbFile().getAbsolutePath();
private static final String MAP_DB_DATA_FILE_TO_REMOVE = MY_TEST_DATA_FILE + ".0";
private static final String TEST_TREE_SET = "TestTreeSet";
private static final String DUMMY_CONTENT = "DummyContent";
@Before
public void setUp() throws Exception {
deleteFile();
}
@After
public void tearDown() throws Exception {
deleteFile();
}
@Test
public void testAppend() throws Exception {
appendToDataFile();
appendToDataFile();
appendToDataFile();
appendToDataFile();
}
private void appendToDataFile() {
final DB myTestDataFile = createMapDB(MY_TEST_DATA_FILE);
addData(myTestDataFile);
myTestDataFile.close();
}
private void addData(DB myTestDataFile) {
final NavigableSet<Object> testTreeSet = myTestDataFile.getTreeSet(TEST_TREE_SET);
testTreeSet.add(DUMMY_CONTENT);
myTestDataFile.commit();
}
private DB createMapDB(String fileName) {
final File file = new File(fileName);
return createMapDB(file);
}
private DB createMapDB(File file) {
return DBMaker.newAppendFileDB(file)
.closeOnJvmShutdown()
.cacheDisable()
.make();
}
private void deleteFile() {
final File file = new File(MAP_DB_DATA_FILE_TO_REMOVE);
if (file.exists()) {
file.delete();
}
}
}