[21] | 1 | /* |
---|
| 2 | * Cloud9: A MapReduce Library for Hadoop |
---|
| 3 | * |
---|
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); you |
---|
| 5 | * may not use this file except in compliance with the License. You may |
---|
| 6 | * obtain a copy of the License at |
---|
| 7 | * |
---|
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
---|
| 9 | * |
---|
| 10 | * Unless required by applicable law or agreed to in writing, software |
---|
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
---|
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
---|
| 13 | * implied. See the License for the specific language governing |
---|
| 14 | * permissions and limitations under the License. |
---|
| 15 | */ |
---|
| 16 | |
---|
| 17 | package tw.org.nchc.tuple; |
---|
| 18 | |
---|
| 19 | import static org.junit.Assert.assertEquals; |
---|
| 20 | |
---|
| 21 | import java.util.HashMap; |
---|
| 22 | |
---|
| 23 | import junit.framework.JUnit4TestAdapter; |
---|
| 24 | |
---|
| 25 | import org.apache.hadoop.io.IntWritable; |
---|
| 26 | import org.apache.hadoop.io.Text; |
---|
| 27 | import org.apache.hadoop.io.Writable; |
---|
| 28 | import org.junit.Test; |
---|
| 29 | |
---|
| 30 | public class SchemaTest { |
---|
| 31 | |
---|
| 32 | public static final Schema SCHEMA1 = new Schema(); |
---|
| 33 | static { |
---|
| 34 | SCHEMA1.addField("field1", String.class, "default"); |
---|
| 35 | SCHEMA1.addField("field2", Integer.class, new Integer(1)); |
---|
| 36 | } |
---|
| 37 | |
---|
| 38 | @Test |
---|
| 39 | public void test1() { |
---|
| 40 | Tuple tuple = SCHEMA1.instantiate(); |
---|
| 41 | |
---|
| 42 | assertEquals(tuple.get(0), "default"); |
---|
| 43 | assertEquals(tuple.get(1), new Integer(1)); |
---|
| 44 | |
---|
| 45 | assertEquals(tuple.get("field1"), "default"); |
---|
| 46 | assertEquals(tuple.get("field2"), new Integer(1)); |
---|
| 47 | } |
---|
| 48 | |
---|
| 49 | @Test |
---|
| 50 | public void test2() { |
---|
| 51 | Tuple tuple = SCHEMA1.instantiate("Hello world!", new Integer(5)); |
---|
| 52 | assertEquals(tuple.get(0), "Hello world!"); |
---|
| 53 | assertEquals(tuple.get(1), new Integer(5)); |
---|
| 54 | } |
---|
| 55 | |
---|
| 56 | @Test(expected = SchemaException.class) |
---|
| 57 | public void testIllegalFieldsException1() { |
---|
| 58 | Schema schema = new Schema(); |
---|
| 59 | schema.addField("field0", Integer.class, 0); |
---|
| 60 | schema.addField("field1", HashMap.class, null); |
---|
| 61 | } |
---|
| 62 | |
---|
| 63 | @Test(expected = SchemaException.class) |
---|
| 64 | public void testIllegalFieldsException2() { |
---|
| 65 | Schema schema = new Schema(); |
---|
| 66 | schema.addField("field0", Integer.class, 0); |
---|
| 67 | // throws exception because Writable isn't a concrete class |
---|
| 68 | schema.addField("field1", Writable.class, null); |
---|
| 69 | } |
---|
| 70 | |
---|
| 71 | @Test |
---|
| 72 | public void testWritableFields() { |
---|
| 73 | Schema schema = new Schema(); |
---|
| 74 | schema.addField("field0", Integer.class, 0); |
---|
| 75 | schema.addField("field1", IntWritable.class, new IntWritable(0)); |
---|
| 76 | schema.addField("field2", Text.class, new Text("default")); |
---|
| 77 | |
---|
| 78 | Tuple t = schema.instantiate(); |
---|
| 79 | assertEquals(t.get(0), 0); |
---|
| 80 | assertEquals(t.get(1), new IntWritable(0)); |
---|
| 81 | assertEquals(t.get(2), new Text("default")); |
---|
| 82 | } |
---|
| 83 | |
---|
| 84 | public static junit.framework.Test suite() { |
---|
| 85 | return new JUnit4TestAdapter(SchemaTest.class); |
---|
| 86 | } |
---|
| 87 | |
---|
| 88 | } |
---|