@Test
public void chekGetAllRowsWithEmptyParam() {
SQLSourceHelper sqlSourceHelper = new SQLSourceHelper(context, "Source Name");
assertEquals(
new ArrayList<String>(), sqlSourceHelper.getAllRows(new ArrayList<List<Object>>()));
}
@Test
public void checkStatusFileCorrectlyCreated() {
SQLSourceHelper sqlSourceHelper = new SQLSourceHelper(context, "Source Name");
// sqlSourceHelper.setCurrentIndex(10);
sqlSourceHelper.updateStatusFile();
File file = new File("/tmp/flume/statusFileName.txt");
assertEquals(true, file.exists());
if (file.exists()) {
file.delete();
file.getParentFile().delete();
}
}
@Test
public void checkStatusFileCorrectlyUpdated() throws Exception {
File file = File.createTempFile("statusFileName", ".txt");
when(context.getString("status.file.path", "/var/lib/flume")).thenReturn(file.getParent());
when(context.getString("status.file.name")).thenReturn(file.getName());
SQLSourceHelper sqlSourceHelper = new SQLSourceHelper(context, "Source Name");
sqlSourceHelper.setCurrentIndex(10);
sqlSourceHelper.updateStatusFile();
SQLSourceHelper sqlSourceHelper2 = new SQLSourceHelper(context, "Source Name");
assertEquals(10L, sqlSourceHelper2.getCurrentIndex());
}
/** Connect to database using hibernate */
public void establishSession() {
LOG.info("Opening hibernate session");
serviceRegistry =
new StandardServiceRegistryBuilder().applySettings(config.getProperties()).build();
factory = config.buildSessionFactory(serviceRegistry);
session = factory.openSession();
session.setCacheMode(CacheMode.IGNORE);
session.setDefaultReadOnly(sqlSourceHelper.isReadOnlySession());
}
@SuppressWarnings("deprecation")
@Test
public void chekGetAllRows() {
SQLSourceHelper sqlSourceHelper = new SQLSourceHelper(context, "Source Name");
List<List<Object>> queryResult = new ArrayList<List<Object>>(2);
List<String[]> expectedResult = new ArrayList<String[]>(2);
String string1 = "string1";
String string2 = "string2";
int int1 = 1;
int int2 = 2;
Date date1 = new Date(115, 0, 1);
Date date2 = new Date(115, 1, 2);
List<Object> row1 = new ArrayList<Object>(3);
String[] expectedRow1 = new String[3];
row1.add(string1);
expectedRow1[0] = string1;
row1.add(int1);
expectedRow1[1] = Integer.toString(int1);
row1.add(date1);
expectedRow1[2] = date1.toString();
queryResult.add(row1);
expectedResult.add(expectedRow1);
List<Object> row2 = new ArrayList<Object>(3);
String[] expectedRow2 = new String[3];
row2.add(string2);
expectedRow2[0] = string2;
row2.add(int2);
expectedRow2[1] = Integer.toString(int2);
row2.add(date2);
expectedRow2[2] = date2.toString();
queryResult.add(row2);
expectedResult.add(expectedRow2);
assertArrayEquals(expectedResult.get(0), sqlSourceHelper.getAllRows(queryResult).get(0));
assertArrayEquals(expectedResult.get(1), sqlSourceHelper.getAllRows(queryResult).get(1));
}
/**
* Constructor to initialize hibernate configuration parameters
*
* @param sqlSourceHelper Contains the configuration parameters from flume config file
*/
public HibernateHelper(SQLSourceHelper sqlSourceHelper) {
this.sqlSourceHelper = sqlSourceHelper;
Context context = sqlSourceHelper.getContext();
Map<String, String> hibernateProperties = context.getSubProperties("hibernate.");
Iterator<Map.Entry<String, String>> it = hibernateProperties.entrySet().iterator();
config = new Configuration();
Map.Entry<String, String> e;
while (it.hasNext()) {
e = it.next();
config.setProperty("hibernate." + e.getKey(), e.getValue());
}
}
@Test
public void getCustomQuery() {
when(context.getString("custom.query")).thenReturn("SELECT column FROM table");
SQLSourceHelper sqlSourceHelper = new SQLSourceHelper(context, "Source Name");
assertEquals("SELECT column FROM table", sqlSourceHelper.getQuery());
}
@Test
public void getQuery() {
SQLSourceHelper sqlSourceHelper = new SQLSourceHelper(context, "Source Name");
assertEquals("SELECT * FROM table", sqlSourceHelper.getQuery());
}
@Test
public void getBatchSize() {
SQLSourceHelper sqlSourceHelper = new SQLSourceHelper(context, "Source Name");
assertEquals(100, sqlSourceHelper.getBatchSize());
}
@Test
public void getRunQueryDelay() {
SQLSourceHelper sqlSourceHelper = new SQLSourceHelper(context, "Source Name");
assertEquals(10000, sqlSourceHelper.getRunQueryDelay());
}
@Test
public void getPassword() {
SQLSourceHelper sqlSourceHelper = new SQLSourceHelper(context, "Source Name");
assertEquals("password", sqlSourceHelper.getPassword());
}
@Test
public void getUser() {
SQLSourceHelper sqlSourceHelper = new SQLSourceHelper(context, "Source Name");
assertEquals("user", sqlSourceHelper.getUser());
}
@Test
public void setCurrentIndex() {
SQLSourceHelper sqlSourceHelper = new SQLSourceHelper(context, "Source Name");
sqlSourceHelper.setCurrentIndex(10);
assertEquals(10, sqlSourceHelper.getCurrentIndex());
}
@Test
public void getConnectionURL() {
SQLSourceHelper sqlSourceHelper = new SQLSourceHelper(context, "Source Name");
assertEquals("jdbc:mysql://host:3306/database", sqlSourceHelper.getConnectionURL());
}
/**
* Execute the selection query in the database
*
* @return The query result. Each Object is a cell content.
* <p>The cell contents use database types (date,int,string...), keep in mind in case of
* future conversions/castings.
* @throws InterruptedException
*/
@SuppressWarnings("unchecked")
public List<List<Object>> executeQuery() throws InterruptedException {
List<List<Object>> rowsList = new ArrayList<List<Object>>();
Query query;
if (!session.isConnected()) {
resetConnection();
}
if (sqlSourceHelper.isCustomQuerySet()) {
query = session.createSQLQuery(sqlSourceHelper.buildQuery());
if (sqlSourceHelper.getMaxRows() != 0) {
query = query.setMaxResults(sqlSourceHelper.getMaxRows());
}
} else {
query =
session
.createSQLQuery(sqlSourceHelper.getQuery())
.setFirstResult(Integer.parseInt(sqlSourceHelper.getCurrentIndex()));
if (sqlSourceHelper.getMaxRows() != 0) {
query = query.setMaxResults(sqlSourceHelper.getMaxRows());
}
}
try {
rowsList =
query
.setFetchSize(sqlSourceHelper.getMaxRows())
.setResultTransformer(Transformers.TO_LIST)
.list();
} catch (Exception e) {
resetConnection();
}
if (!rowsList.isEmpty()) {
if (sqlSourceHelper.isCustomQuerySet()) {
sqlSourceHelper.setCurrentIndex(rowsList.get(rowsList.size() - 1).get(0).toString());
} else {
sqlSourceHelper.setCurrentIndex(
Integer.toString(
(Integer.parseInt(sqlSourceHelper.getCurrentIndex()) + rowsList.size())));
}
}
return rowsList;
}