/**
* 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.hive.beeline;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import org.junit.Assert;
import org.junit.Test;
import org.mockito.Matchers;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
public class TestBufferedRows {
private String[][] mockRowData = {
{ "key1", "aaa" },
{ "key2", "bbbbb" },
{ "key3",
"cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc"
+ "cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc"
+ "cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc"
+ "cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc"
+ "cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc"
+ "cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc"
+ "cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc" },
{ "key4", "ddddddddddddddd" }
};
private BeeLineOpts mockBeeLineOpts;
private BeeLine mockBeeline;
private ResultSet mockResultSet;
private MockRow mockRow;
@Test
public void testNormalizeWidths() throws SQLException {
setupMockData();
BufferedRows bfRows = new BufferedRows(mockBeeline, mockResultSet);
bfRows.normalizeWidths();
while (bfRows.hasNext()) {
Rows.Row row = (Rows.Row) bfRows.next();
for (int colSize : row.sizes) {
Assert.assertTrue(colSize <= mockBeeLineOpts.getMaxColumnWidth());
}
}
}
private void setupMockData() throws SQLException {
// Mock BeeLine
mockBeeline = mock(BeeLine.class);
// Mock BeeLineOpts
mockBeeLineOpts = mock(BeeLineOpts.class);
when(mockBeeLineOpts.getMaxColumnWidth()).thenReturn(BeeLineOpts.DEFAULT_MAX_COLUMN_WIDTH);
when(mockBeeLineOpts.getNumberFormat()).thenReturn("default");
when(mockBeeLineOpts.getNullString()).thenReturn("NULL");
when(mockBeeline.getOpts()).thenReturn(mockBeeLineOpts);
// MockResultSet
mockResultSet = mock(ResultSet.class);
ResultSetMetaData mockResultSetMetaData = mock(ResultSetMetaData.class);
when(mockResultSetMetaData.getColumnCount()).thenReturn(2);
when(mockResultSetMetaData.getColumnLabel(1)).thenReturn("Key");
when(mockResultSetMetaData.getColumnLabel(2)).thenReturn("Value");
when(mockResultSet.getMetaData()).thenReturn(mockResultSetMetaData);
mockRow = new MockRow();
// returns true as long as there is more data in mockResultData array
when(mockResultSet.next()).thenAnswer(new Answer<Boolean>() {
private int mockRowDataIndex = 0;
public Boolean answer(InvocationOnMock invocation) {
if (mockRowDataIndex < mockRowData.length) {
mockRow.setCurrentRowData(mockRowData[mockRowDataIndex]);
mockRowDataIndex++;
return true;
} else {
return false;
}
}
});
when(mockResultSet.getString(Matchers.anyInt())).thenAnswer(new Answer<String>() {
public String answer(InvocationOnMock invocation) {
Object[] args = invocation.getArguments();
int index = ((Integer) args[0]).intValue();
return mockRow.getColumn(index);
}
});
}
static class MockRow {
String[] rowData;
public void setCurrentRowData(String[] rowData) {
this.rowData = rowData;
}
public String getColumn(int idx) {
return rowData[idx - 1];
}
}
}