@Test
public void unwrapForSupportedInterface() throws Exception {
DataSourceStub ds = new DataSourceStub();
ExtendedConnectionDataSourceProxy tested = new ExtendedConnectionDataSourceProxy(ds);
assertTrue(tested.isWrapperFor(Supported.class));
assertEquals(ds, tested.unwrap(Supported.class));
}
@Test
public void testOperationWithDirectCloseCall() throws SQLException {
Connection con = createMock(Connection.class);
DataSource ds = createMock(DataSource.class);
expect(ds.getConnection()).andReturn(con); // con1
con.close();
expect(ds.getConnection()).andReturn(con); // con2
con.close();
replay(ds);
replay(con);
final ExtendedConnectionDataSourceProxy csds = new ExtendedConnectionDataSourceProxy(ds);
Connection con1 = csds.getConnection();
csds.startCloseSuppression(con1);
Connection con1_1 = csds.getConnection();
assertSame("should be same connection", con1_1, con1);
con1_1.close(); // no mock call for this - should be suppressed
Connection con1_2 = csds.getConnection();
assertSame("should be same connection", con1_2, con1);
Connection con2 = csds.getConnection();
assertNotSame("shouldn't be same connection", con2, con1);
csds.stopCloseSuppression(con1);
assertTrue("should be able to close connection", csds.shouldClose(con1));
con1_1 = null;
con1_2 = null;
con1.close();
assertTrue("should be able to close connection", csds.shouldClose(con2));
con2.close();
verify(ds);
verify(con);
}
@Test
public void unwrapForSmartDataSource() throws Exception {
ExtendedConnectionDataSourceProxy tested =
new ExtendedConnectionDataSourceProxy(new DataSourceStub());
assertTrue(tested.isWrapperFor(DataSource.class));
assertEquals(tested, tested.unwrap(DataSource.class));
assertTrue(tested.isWrapperFor(SmartDataSource.class));
assertEquals(tested, tested.unwrap(SmartDataSource.class));
}
@Test
public void unwrapForUnsupportedInterface() throws Exception {
ExtendedConnectionDataSourceProxy tested =
new ExtendedConnectionDataSourceProxy(new DataSourceStub());
assertFalse(tested.isWrapperFor(Unsupported.class));
try {
tested.unwrap(Unsupported.class);
fail();
} catch (SQLException expected) {
// this would be the correct behavior in a Java6-only recursive implementation
// assertEquals(DataSourceStub.UNWRAP_ERROR_MESSAGE, expected.getMessage());
assertEquals("Unsupported class " + Unsupported.class.getSimpleName(), expected.getMessage());
}
}
@Test(expected = IllegalArgumentException.class)
public void delegateIsRequired() throws Exception {
ExtendedConnectionDataSourceProxy tested = new ExtendedConnectionDataSourceProxy(null);
tested.afterPropertiesSet();
}
@Test
public void testSupressOfCloseWithJdbcTemplate() throws Exception {
Connection con = createMock(Connection.class);
DataSource ds = createMock(DataSource.class);
Statement stmt = createMock(Statement.class);
ResultSet rs = createMock(ResultSet.class);
// open and start suppressing close
expect(ds.getConnection()).andReturn(con);
// transaction 1
expect(con.getAutoCommit()).andReturn(false);
expect(con.createStatement()).andReturn(stmt);
expect(stmt.executeQuery("select baz from bar")).andReturn(rs);
expect(rs.next()).andReturn(false);
expect(con.createStatement()).andReturn(stmt);
expect(stmt.executeQuery("select foo from bar")).andReturn(rs);
expect(rs.next()).andReturn(false);
con.commit();
// transaction 2
expect(con.getAutoCommit()).andReturn(false);
expect(con.createStatement()).andReturn(stmt);
expect(stmt.executeQuery("select ham from foo")).andReturn(rs);
expect(rs.next()).andReturn(false);
// REQUIRES_NEW transaction
expect(ds.getConnection()).andReturn(con);
expect(con.getAutoCommit()).andReturn(false);
expect(con.createStatement()).andReturn(stmt);
expect(stmt.executeQuery("select 1 from eggs")).andReturn(rs);
expect(rs.next()).andReturn(false);
con.commit();
con.close();
// resume transaction 2
expect(con.createStatement()).andReturn(stmt);
expect(stmt.executeQuery("select more, ham from foo")).andReturn(rs);
expect(rs.next()).andReturn(false);
con.commit();
// transaction 3
expect(con.getAutoCommit()).andReturn(false);
expect(con.createStatement()).andReturn(stmt);
expect(stmt.executeQuery("select spam from ham")).andReturn(rs);
expect(rs.next()).andReturn(false);
con.commit();
// stop suppressing close and close
con.close();
// standalone query
expect(ds.getConnection()).andReturn(con);
expect(con.createStatement()).andReturn(stmt);
expect(stmt.executeQuery("select egg from bar")).andReturn(rs);
expect(rs.next()).andReturn(false);
con.close();
replay(rs);
replay(stmt);
replay(con);
replay(ds);
final ExtendedConnectionDataSourceProxy csds = new ExtendedConnectionDataSourceProxy();
csds.setDataSource(ds);
PlatformTransactionManager tm = new DataSourceTransactionManager(csds);
TransactionTemplate tt = new TransactionTemplate(tm);
final TransactionTemplate tt2 = new TransactionTemplate(tm);
tt2.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRES_NEW);
final JdbcTemplate template = new JdbcTemplate(csds);
Connection connection = DataSourceUtils.getConnection(csds);
csds.startCloseSuppression(connection);
tt.execute(
new TransactionCallback() {
@Override
public Object doInTransaction(TransactionStatus status) {
template.queryForList("select baz from bar");
template.queryForList("select foo from bar");
return null;
}
});
tt.execute(
new TransactionCallback() {
@Override
public Object doInTransaction(TransactionStatus status) {
template.queryForList("select ham from foo");
tt2.execute(
new TransactionCallback() {
@Override
public Object doInTransaction(TransactionStatus status) {
template.queryForList("select 1 from eggs");
return null;
}
});
template.queryForList("select more, ham from foo");
return null;
}
});
tt.execute(
new TransactionCallback() {
@Override
public Object doInTransaction(TransactionStatus status) {
template.queryForList("select spam from ham");
return null;
}
});
csds.stopCloseSuppression(connection);
DataSourceUtils.releaseConnection(connection, csds);
template.queryForList("select egg from bar");
verify(rs);
verify(stmt);
verify(con);
verify(ds);
}
