Repository: incubator-datafu Updated Branches: refs/heads/master d4a5c5d43 -> b2134e660
DATAFU-33 add unit test for alias eval func udf https://issues.apache.org/jira/browse/DATAFU-33 Signed-off-by: Matthew Hayes <matthew.terence.ha...@gmail.com> Project: http://git-wip-us.apache.org/repos/asf/incubator-datafu/repo Commit: http://git-wip-us.apache.org/repos/asf/incubator-datafu/commit/b2134e66 Tree: http://git-wip-us.apache.org/repos/asf/incubator-datafu/tree/b2134e66 Diff: http://git-wip-us.apache.org/repos/asf/incubator-datafu/diff/b2134e66 Branch: refs/heads/master Commit: b2134e66063b06ab1fd7813368faa30ecf945f78 Parents: d4a5c5d Author: Jian J. Wang <wj...@dogfavorshot-lm.peking.corp.yahoo.com> Authored: Sun Mar 2 20:32:47 2014 +0800 Committer: Matthew Hayes <matthew.terence.ha...@gmail.com> Committed: Sun Mar 2 17:06:09 2014 -0800 ---------------------------------------------------------------------- .../datafu/test/pig/util/AliasEvalFuncTest.java | 95 ++++++++++++++++++++ 1 file changed, 95 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-datafu/blob/b2134e66/test/pig/datafu/test/pig/util/AliasEvalFuncTest.java ---------------------------------------------------------------------- diff --git a/test/pig/datafu/test/pig/util/AliasEvalFuncTest.java b/test/pig/datafu/test/pig/util/AliasEvalFuncTest.java new file mode 100644 index 0000000..3b23d35 --- /dev/null +++ b/test/pig/datafu/test/pig/util/AliasEvalFuncTest.java @@ -0,0 +1,95 @@ +/* + * 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 datafu.test.pig.util; + +import static org.testng.Assert.*; + +import java.util.List; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Iterator; +import java.io.IOException; + +import org.apache.pig.data.Tuple; +import org.apache.pig.data.DataBag; +import org.apache.pig.data.TupleFactory; +import org.apache.pig.data.BagFactory; +import org.apache.pig.pigunit.PigTest; +import org.apache.pig.data.DataType; +import org.apache.pig.impl.logicalLayer.schema.Schema; +import org.apache.pig.impl.logicalLayer.schema.Schema.FieldSchema; + +import org.testng.Assert; +import org.testng.annotations.Test; + +import datafu.test.pig.PigTests; +import datafu.pig.util.AliasableEvalFunc; + +public class AliasEvalFuncTest extends PigTests +{ + static class ReportBuilder extends AliasableEvalFunc<DataBag> { + static final String ORDERED_ROUTES = "orderedRoutes"; + + public DataBag exec(Tuple input) throws IOException { + DataBag inputBag = getBag(input, ORDERED_ROUTES); + DataBag outputBag = BagFactory.getInstance().newDefaultBag(); + for(Iterator<Tuple> tupleIter = inputBag.iterator(); tupleIter.hasNext(); ) { + outputBag.add(tupleIter.next()); + } + return outputBag; + } + + public Schema getOutputSchema(Schema input) { + try { + Schema bagSchema = input.getField(0).schema; + Schema outputSchema = new Schema(new Schema.FieldSchema(getSchemaName(this.getClass() + .getName() + .toLowerCase(), input), + bagSchema, + DataType.BAG)); + return outputSchema; + } catch (Exception ex) { + return null; + } + } + } + + @Test + public void getBagTest() throws Exception + { + ReportBuilder udf = new ReportBuilder(); + udf.setUDFContextSignature("test"); + List<Schema.FieldSchema> fieldSchemaList = new ArrayList<Schema.FieldSchema>(); + fieldSchemaList.add(new Schema.FieldSchema("msisdn", DataType.LONG)); + fieldSchemaList.add(new Schema.FieldSchema("ts", DataType.INTEGER)); + fieldSchemaList.add(new Schema.FieldSchema("center_lon", DataType.DOUBLE)); + fieldSchemaList.add(new Schema.FieldSchema("center_lat", DataType.DOUBLE)); + Schema schemaTuple = new Schema(fieldSchemaList); + Schema schemaBag = new Schema(new Schema.FieldSchema(ReportBuilder.ORDERED_ROUTES, schemaTuple, DataType.BAG)); + udf.outputSchema(schemaBag); + + Tuple inputTuple = TupleFactory.getInstance().newTuple(); + DataBag inputBag = BagFactory.getInstance().newDefaultBag(); + inputBag.add(TupleFactory.getInstance().newTuple(Arrays.asList(71230000000L, 1382351612, 10.697, 20.713))); + inputTuple.append(inputBag); + DataBag outputBag = udf.exec(inputTuple); + Assert.assertEquals(inputBag, outputBag); + } +}
