/**
* 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.drill.exec.physical.impl;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.apache.drill.common.config.DrillConfig;
import org.apache.drill.exec.ExecTest;
import org.apache.drill.exec.expr.fn.FunctionImplementationRegistry;
import org.apache.drill.exec.ops.FragmentContext;
import org.apache.drill.exec.physical.PhysicalPlan;
import org.apache.drill.exec.physical.base.FragmentRoot;
import org.apache.drill.exec.planner.PhysicalPlanReader;
import org.apache.drill.exec.planner.PhysicalPlanReaderTestFactory;
import org.apache.drill.exec.proto.BitControl.PlanFragment;
import org.apache.drill.exec.rpc.user.UserServer;
import org.apache.drill.exec.server.DrillbitContext;
import org.apache.drill.exec.vector.ValueVector;
import org.apache.drill.exec.vector.VarCharVector;
import org.junit.Test;
import com.google.common.base.Charsets;
import com.google.common.io.Resources;
import mockit.Injectable;
public class TestStringFunctions extends ExecTest {
//private static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(TestStringFunctions.class);
private final DrillConfig c = DrillConfig.create();
private PhysicalPlanReader reader;
private FunctionImplementationRegistry registry;
private FragmentContext context;
public Object[] getRunResult(SimpleRootExec exec) {
int size = 0;
for (final ValueVector v : exec) {
size++;
}
final Object[] res = new Object [size];
int i = 0;
for (final ValueVector v : exec) {
if (v instanceof VarCharVector) {
res[i++] = new String( ((VarCharVector) v).getAccessor().get(0), Charsets.UTF_8);
} else {
res[i++] = v.getAccessor().getObject(0);
}
}
return res;
}
public void runTest(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection, Object[] expectedResults, String planPath) throws Throwable {
mockDrillbitContext(bitContext);
final String planString = Resources.toString(Resources.getResource(planPath), Charsets.UTF_8);
if (reader == null) {
reader = PhysicalPlanReaderTestFactory.defaultPhysicalPlanReader(c);
}
if (registry == null) {
registry = new FunctionImplementationRegistry(c);
}
if (context == null) {
context = new FragmentContext(bitContext, PlanFragment.getDefaultInstance(), connection, registry); //new FragmentContext(bitContext, ExecProtos.FragmentHandle.getInstance(), connection, registry);
}
final PhysicalPlan plan = reader.readPhysicalPlan(planString);
final SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));
exec.next(); // skip schema batch
while(exec.next()) {
final Object [] res = getRunResult(exec);
assertEquals("return count does not match", expectedResults.length, res.length);
for (int i = 0; i<res.length; i++) {
assertEquals(String.format("column %s does not match", i), expectedResults[i], res[i]);
}
}
if (context.getFailureCause() != null) {
throw context.getFailureCause();
}
assertTrue(!context.isFailed());
}
@Test
public void testCharLength(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection) throws Throwable {
Object [] expected = new Object[] {new Long(8), new Long(0), new Long(5), new Long(5),
new Long(8), new Long(0), new Long(5), new Long(5),
new Long(8), new Long(0), new Long(5), new Long(5),};
runTest(bitContext, connection, expected, "functions/string/testCharLength.json");
}
@Test
public void testLike(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection) throws Throwable {
final Object [] expected = new Object[] {Boolean.TRUE, Boolean.TRUE, Boolean.TRUE, Boolean.FALSE};
runTest(bitContext, connection, expected, "functions/string/testLike.json");
}
@Test
public void testSimilar(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection) throws Throwable {
final Object [] expected = new Object[] {Boolean.TRUE, Boolean.FALSE, Boolean.TRUE, Boolean.FALSE};
runTest(bitContext, connection, expected, "functions/string/testSimilar.json");
}
@Test
public void testLtrim(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection) throws Throwable {
final Object [] expected = new Object[] {"def", "abcdef", "dabc", "", "", ""};
runTest(bitContext, connection, expected, "functions/string/testLtrim.json");
}
@Test
public void testTrim(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection) throws Throwable {
final Object [] expected = new Object[] {"fghI", "", "", "!", " aaa "};
runTest(bitContext, connection, expected, "functions/string/testTrim.json");
}
@Test
public void testReplace(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection) throws Throwable {
final Object [] expected = new Object[] {"aABABcdf", "ABABbABbcdf", "aababcdf", "acdf", "ABCD", "abc"};
runTest(bitContext, connection, expected, "functions/string/testReplace.json");
}
@Test
public void testRtrim(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection) throws Throwable {
final Object [] expected = new Object[] {"abc", "abcdef", "ABd", "", "", ""};
runTest(bitContext, connection, expected, "functions/string/testRtrim.json");
}
@Test
public void testConcat(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection) throws Throwable {
final Object [] expected = new Object[] {"abcABC", "abc", "ABC", ""};
runTest(bitContext, connection, expected, "functions/string/testConcat.json");
}
@Test
public void testLower(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection) throws Throwable {
final Object [] expected = new Object[] {"abcefgh", "abc", ""};
runTest(bitContext, connection, expected, "functions/string/testLower.json");
}
@Test
public void testPosition(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection) throws Throwable {
final Object [] expected = new Object[] {new Long(2), new Long(0), new Long(0), new Long(0),
new Long(2), new Long(0), new Long(0), new Long(0)};
runTest(bitContext, connection, expected, "functions/string/testPosition.json");
}
@Test
public void testRight(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection) throws Throwable {
final Object [] expected = new Object[] {"ef", "abcdef", "abcdef", "cdef", "f", "", ""};
runTest(bitContext, connection, expected, "functions/string/testRight.json");
}
@Test
public void testSubstr(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection) throws Throwable {
final Object [] expected = new Object[] {"abc", "bcd", "bcdef", "bcdef", "", "", "", "", "भारत", "वर्ष", "वर्ष", "cdef", "", "", "", "ड्रिल"};
runTest(bitContext, connection, expected, "functions/string/testSubstr.json");
}
@Test
public void testLeft(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection) throws Throwable {
final Object [] expected = new Object[] {"ab", "abcdef", "abcdef", "abcd", "a", "", ""};
runTest(bitContext, connection, expected, "functions/string/testLeft.json");
}
@Test
public void testLpad(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection) throws Throwable {
final Object [] expected = new Object[] {"", "", "abcdef", "ab", "ab", "abcdef", "AAAAabcdef", "ABABabcdef", "ABCAabcdef", "ABCDabcdef"};
runTest(bitContext, connection, expected, "functions/string/testLpad.json");
}
@Test
public void testRegexpReplace(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection) throws Throwable {
final Object [] expected = new Object[] {"ThM", "Th", "Thomas"};
runTest(bitContext, connection, expected, "functions/string/testRegexpReplace.json");
}
@Test
public void testRpad(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection) throws Throwable {
final Object [] expected = new Object[] {"", "", "abcdef", "ab", "ab", "abcdef", "abcdefAAAA", "abcdefABAB", "abcdefABCA", "abcdefABCD"};
runTest(bitContext, connection, expected, "functions/string/testRpad.json");
}
@Test
public void testUpper(@Injectable final DrillbitContext bitContext,
@Injectable UserServer.UserClientConnection connection) throws Throwable {
final Object [] expected = new Object[] {"ABCEFGH", "ABC", ""};
runTest(bitContext, connection, expected, "functions/string/testUpper.json");
}
@Test
public void testNewStringFuncs(@Injectable final DrillbitContext bitContext, @Injectable UserServer.UserClientConnection connection) throws Throwable {
final Object [] expected = new Object[] {97, 65, -32, "A", "btrim", "Peace Peace Peace ", "हकुना मताता हकुना मताता ", "katcit", "\u00C3\u00A2pple", "नदम"};
runTest(bitContext, connection, expected, "functions/string/testStringFuncs.json");
}
}