| /** |
| * 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.hadoop.mrunit.internal.util; |
| |
| import static org.apache.hadoop.mrunit.ExtendedAssert.assertListEquals; |
| import static org.junit.Assert.assertEquals; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.apache.hadoop.io.Text; |
| import org.apache.hadoop.mrunit.types.Pair; |
| import org.junit.Test; |
| |
| public class TestStringUtils { |
| |
| /** |
| * Test method for {@link StringUtils#parseTabbedPair(java.lang.String)} . |
| */ |
| @Test |
| public void testParseTabbedPair1() { |
| final Pair<Text, Text> pr = StringUtils.parseTabbedPair("foo\tbar"); |
| assertEquals(pr.getFirst().toString(), "foo"); |
| assertEquals(pr.getSecond().toString(), "bar"); |
| } |
| |
| @Test |
| public void testParseTabbedPair2() { |
| final Pair<Text, Text> pr = StringUtils.parseTabbedPair(" foo\tbar"); |
| assertEquals(pr.getFirst().toString(), " foo"); |
| assertEquals(pr.getSecond().toString(), "bar"); |
| } |
| |
| @Test |
| public void testParseTabbedPair3() { |
| final Pair<Text, Text> pr = StringUtils.parseTabbedPair("foo\tbar "); |
| assertEquals(pr.getFirst().toString(), "foo"); |
| assertEquals(pr.getSecond().toString(), "bar "); |
| } |
| |
| @Test |
| public void testParseTabbedPair4() { |
| final Pair<Text, Text> pr = StringUtils.parseTabbedPair("foo \tbar"); |
| assertEquals(pr.getFirst().toString(), "foo "); |
| assertEquals(pr.getSecond().toString(), "bar"); |
| } |
| |
| @Test |
| public void testParseTabbedPair5() { |
| final Pair<Text, Text> pr = StringUtils.parseTabbedPair("foo\t bar"); |
| assertEquals(pr.getFirst().toString(), "foo"); |
| assertEquals(pr.getSecond().toString(), " bar"); |
| } |
| |
| @Test |
| public void testParseTabbedPair6() { |
| final Pair<Text, Text> pr = StringUtils.parseTabbedPair("foo\t\tbar"); |
| assertEquals(pr.getFirst().toString(), "foo"); |
| assertEquals(pr.getSecond().toString(), "\tbar"); |
| } |
| |
| @Test |
| public void testParseTabbedPair7() { |
| final Pair<Text, Text> pr = StringUtils.parseTabbedPair("foo\tbar\n"); |
| assertEquals(pr.getFirst().toString(), "foo"); |
| assertEquals(pr.getSecond().toString(), "bar\n"); |
| } |
| |
| @Test |
| public void testParseTabbedPair8() { |
| final Pair<Text, Text> pr = StringUtils.parseTabbedPair("foo\t bar\tbaz"); |
| assertEquals(pr.getFirst().toString(), "foo"); |
| assertEquals(pr.getSecond().toString(), " bar\tbaz"); |
| } |
| |
| /** |
| * Test method for |
| * {@link StringUtils#parseCommaDelimitedList(java.lang.String)}. |
| */ |
| @Test |
| public void testParseCommaDelimList1() { |
| final List<Text> out = StringUtils.parseCommaDelimitedList("foo"); |
| final ArrayList<Text> verify = new ArrayList<Text>(); |
| verify.add(new Text("foo")); |
| assertListEquals(out, verify); |
| } |
| |
| @Test |
| public void testParseCommaDelimList2() { |
| final List<Text> out = StringUtils.parseCommaDelimitedList("foo,bar"); |
| final ArrayList<Text> verify = new ArrayList<Text>(); |
| verify.add(new Text("foo")); |
| verify.add(new Text("bar")); |
| assertListEquals(out, verify); |
| } |
| |
| @Test |
| public void testParseCommaDelimList3() { |
| final List<Text> out = StringUtils.parseCommaDelimitedList("foo ,bar"); |
| final ArrayList<Text> verify = new ArrayList<Text>(); |
| verify.add(new Text("foo")); |
| verify.add(new Text("bar")); |
| assertListEquals(out, verify); |
| } |
| |
| @Test |
| public void testParseCommaDelimList4() { |
| final List<Text> out = StringUtils.parseCommaDelimitedList("foo, bar"); |
| final ArrayList<Text> verify = new ArrayList<Text>(); |
| verify.add(new Text("foo")); |
| verify.add(new Text("bar")); |
| assertListEquals(out, verify); |
| } |
| |
| @Test |
| public void testParseCommaDelimList5() { |
| final List<Text> out = StringUtils.parseCommaDelimitedList(" foo,bar"); |
| final ArrayList<Text> verify = new ArrayList<Text>(); |
| verify.add(new Text("foo")); |
| verify.add(new Text("bar")); |
| assertListEquals(out, verify); |
| } |
| |
| @Test |
| public void testParseCommaDelimList6() { |
| final List<Text> out = StringUtils.parseCommaDelimitedList("foo,bar "); |
| final ArrayList<Text> verify = new ArrayList<Text>(); |
| verify.add(new Text("foo")); |
| verify.add(new Text("bar")); |
| assertListEquals(out, verify); |
| } |
| |
| @Test |
| public void testParseCommaDelimList7() { |
| final List<Text> out = StringUtils.parseCommaDelimitedList("foo,bar, baz"); |
| final ArrayList<Text> verify = new ArrayList<Text>(); |
| verify.add(new Text("foo")); |
| verify.add(new Text("bar")); |
| verify.add(new Text("baz")); |
| assertListEquals(out, verify); |
| } |
| |
| // note: we decide that correct behavior is that this does *not* |
| // add a tailing empty element by itself. |
| @Test |
| public void testParseCommaDelimList8() { |
| final List<Text> out = StringUtils.parseCommaDelimitedList("foo,bar,"); |
| final ArrayList<Text> verify = new ArrayList<Text>(); |
| verify.add(new Text("foo")); |
| verify.add(new Text("bar")); |
| assertListEquals(out, verify); |
| } |
| |
| // but this one does. |
| @Test |
| public void testParseCommaDelimList8a() { |
| final List<Text> out = StringUtils.parseCommaDelimitedList("foo,bar,,"); |
| final ArrayList<Text> verify = new ArrayList<Text>(); |
| verify.add(new Text("foo")); |
| verify.add(new Text("bar")); |
| verify.add(new Text("")); |
| assertListEquals(out, verify); |
| } |
| |
| @Test |
| public void testParseCommaDelimList9() { |
| final List<Text> out = StringUtils.parseCommaDelimitedList("foo,,bar"); |
| final ArrayList<Text> verify = new ArrayList<Text>(); |
| verify.add(new Text("foo")); |
| verify.add(new Text("")); |
| verify.add(new Text("bar")); |
| assertListEquals(out, verify); |
| } |
| |
| @Test |
| public void testParseCommaDelimList10() { |
| final List<Text> out = StringUtils.parseCommaDelimitedList(",foo,bar"); |
| final ArrayList<Text> verify = new ArrayList<Text>(); |
| verify.add(new Text("")); |
| verify.add(new Text("foo")); |
| verify.add(new Text("bar")); |
| assertListEquals(out, verify); |
| } |
| |
| /** |
| * Test method for {@link StringUtils#formatValueList(List, StringBuilder)}. |
| */ |
| @Test |
| public void shouldFormatValueListWhenEmpty() { |
| StringBuilder stringBuilder = new StringBuilder(); |
| stringBuilder.append("previous message "); |
| StringUtils.formatValueList(Arrays.asList(), stringBuilder); |
| assertEquals("previous message ()", stringBuilder.toString()); |
| } |
| |
| @Test |
| public void shouldFormatValueListWithSingleElement() { |
| StringBuilder stringBuilder = new StringBuilder(); |
| stringBuilder.append("previous message "); |
| StringUtils.formatValueList(Arrays.asList("single"), stringBuilder); |
| assertEquals("previous message (single)", stringBuilder.toString()); |
| } |
| |
| @Test |
| public void shouldFormatValueListWithManyElement() { |
| StringBuilder stringBuilder = new StringBuilder(); |
| stringBuilder.append("previous message "); |
| StringUtils.formatValueList(Arrays.asList("first", "second", "third"), stringBuilder); |
| assertEquals("previous message (first, second, third)", stringBuilder.toString()); |
| } |
| |
| /** |
| * Test method for {@link StringUtils#formatPairList(List, StringBuilder)} |
| */ |
| @Test |
| public void shouldFormatPairListWhenEmpty() { |
| StringBuilder stringBuilder = new StringBuilder(); |
| stringBuilder.append("previous message "); |
| List<Pair<String, String>> list = new ArrayList<Pair<String, String>>(); |
| StringUtils.formatPairList(list, stringBuilder); |
| assertEquals("previous message []", stringBuilder.toString()); |
| } |
| |
| @Test |
| public void shouldFormatPairListWithSingleElement() { |
| StringBuilder stringBuilder = new StringBuilder(); |
| stringBuilder.append("previous message "); |
| StringUtils.formatPairList(Arrays.asList(new Pair<String, String>("key", "value")), stringBuilder); |
| assertEquals("previous message [(key, value)]", stringBuilder.toString()); |
| } |
| |
| @Test |
| public void shouldFormatPairListWithManyElement() { |
| StringBuilder stringBuilder = new StringBuilder(); |
| stringBuilder.append("previous message "); |
| StringUtils.formatPairList(Arrays.asList( |
| new Pair<String, String>("first_key", "first_value"), |
| new Pair<String, String>("second_key", "second_value"), |
| new Pair<String, String>("third_key", "third_value")), stringBuilder); |
| assertEquals("previous message [(first_key, first_value), (second_key, second_value), (third_key, third_value)]", stringBuilder.toString()); |
| } |
| } |