| /* |
| * 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.calcite.avatica.jdbc; |
| |
| import org.junit.Test; |
| import org.mockito.InOrder; |
| import org.mockito.Mockito; |
| import org.mockito.invocation.InvocationOnMock; |
| import org.mockito.stubbing.Answer; |
| |
| import java.sql.ResultSet; |
| import java.sql.SQLFeatureNotSupportedException; |
| import java.sql.Statement; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| |
| /** |
| * Tests covering {@link StatementInfo}. |
| */ |
| public class StatementInfoTest { |
| |
| @Test |
| public void testLargeOffsets() throws Exception { |
| Statement stmt = Mockito.mock(Statement.class); |
| ResultSet results = Mockito.mock(ResultSet.class); |
| |
| StatementInfo info = new StatementInfo(stmt); |
| |
| Mockito.when(results.relative(Integer.MAX_VALUE)).thenReturn(true, true); |
| Mockito.when(results.relative(1)).thenReturn(true); |
| |
| long offset = 1L + Integer.MAX_VALUE + Integer.MAX_VALUE; |
| assertTrue(info.advanceResultSetToOffset(results, offset)); |
| |
| InOrder inOrder = Mockito.inOrder(results); |
| |
| inOrder.verify(results, Mockito.times(2)).relative(Integer.MAX_VALUE); |
| inOrder.verify(results).relative(1); |
| |
| assertEquals(offset, info.getPosition()); |
| } |
| |
| @Test |
| public void testNextUpdatesPosition() throws Exception { |
| Statement stmt = Mockito.mock(Statement.class); |
| ResultSet results = Mockito.mock(ResultSet.class); |
| |
| StatementInfo info = new StatementInfo(stmt); |
| info.setResultSet(results); |
| |
| Mockito.when(results.next()).thenReturn(true, true, true, false); |
| |
| for (int i = 0; i < 3; i++) { |
| assertTrue(i + "th call of next() should return true", info.next()); |
| assertEquals(info.getPosition(), i + 1); |
| } |
| |
| assertFalse("Expected last next() to return false", info.next()); |
| assertEquals(info.getPosition(), 4L); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void testNoMovement() throws Exception { |
| Statement stmt = Mockito.mock(Statement.class); |
| ResultSet results = Mockito.mock(ResultSet.class); |
| |
| StatementInfo info = new StatementInfo(stmt); |
| info.setPosition(500); |
| |
| info.advanceResultSetToOffset(results, 400); |
| } |
| |
| @Test public void testResultSetGetter() throws Exception { |
| Statement stmt = Mockito.mock(Statement.class); |
| ResultSet results = Mockito.mock(ResultSet.class); |
| |
| StatementInfo info = new StatementInfo(stmt); |
| |
| assertFalse("ResultSet should not be initialized", info.isResultSetInitialized()); |
| assertNull("ResultSet should be null", info.getResultSet()); |
| |
| info.setResultSet(results); |
| |
| assertTrue("ResultSet should be initialized", info.isResultSetInitialized()); |
| assertEquals(results, info.getResultSet()); |
| } |
| |
| @Test public void testCheckPositionAfterFailedRelative() throws Exception { |
| Statement stmt = Mockito.mock(Statement.class); |
| ResultSet results = Mockito.mock(ResultSet.class); |
| final long offset = 500; |
| |
| StatementInfo info = new StatementInfo(stmt); |
| info.setResultSet(results); |
| |
| // relative() doesn't work |
| Mockito.when(results.relative((int) offset)).thenThrow(new SQLFeatureNotSupportedException()); |
| // Should fall back to next(), 500 calls to next, 1 false |
| Mockito.when(results.next()).then(new Answer<Boolean>() { |
| private long invocations = 0; |
| |
| // Return true until 500, false after. |
| @Override public Boolean answer(InvocationOnMock invocation) throws Throwable { |
| invocations++; |
| if (invocations >= offset) { |
| return false; |
| } |
| return true; |
| } |
| }); |
| |
| info.advanceResultSetToOffset(results, offset); |
| |
| // Verify correct position |
| assertEquals(offset, info.getPosition()); |
| // Make sure that we actually advanced the result set |
| Mockito.verify(results, Mockito.times(500)).next(); |
| } |
| } |
| |
| // End StatementInfoTest.java |