/*
* 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.beam.sdk.values;
import static org.apache.beam.sdk.values.TypeDescriptors.integers;
import static org.apache.beam.sdk.values.TypeDescriptors.iterables;
import static org.apache.beam.sdk.values.TypeDescriptors.kvs;
import static org.apache.beam.sdk.values.TypeDescriptors.lists;
import static org.apache.beam.sdk.values.TypeDescriptors.sets;
import static org.apache.beam.sdk.values.TypeDescriptors.strings;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotEquals;
import java.util.List;
import java.util.Set;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Tests for {@link TypeDescriptors}.
*/
@RunWith(JUnit4.class)
public class TypeDescriptorsTest {
@Test
public void testTypeDescriptorsIterables() throws Exception {
TypeDescriptor<Iterable<String>> descriptor = iterables(strings());
assertEquals(descriptor, new TypeDescriptor<Iterable<String>>() {});
}
@Test
public void testTypeDescriptorsSets() throws Exception {
TypeDescriptor<Set<String>> descriptor = sets(strings());
assertEquals(descriptor, new TypeDescriptor<Set<String>>() {});
}
@Test
public void testTypeDescriptorsKV() throws Exception {
TypeDescriptor<KV<String, Integer>> descriptor =
kvs(strings(), integers());
assertEquals(descriptor, new TypeDescriptor<KV<String, Integer>>() {});
}
@Test
public void testTypeDescriptorsLists() throws Exception {
TypeDescriptor<List<String>> descriptor = lists(strings());
assertEquals(descriptor, new TypeDescriptor<List<String>>() {});
assertNotEquals(descriptor, new TypeDescriptor<List<Boolean>>() {});
}
@Test
public void testTypeDescriptorsListsOfLists() throws Exception {
TypeDescriptor<List<List<String>>> descriptor = lists(lists(strings()));
assertEquals(descriptor, new TypeDescriptor<List<List<String>>>() {});
assertNotEquals(descriptor, new TypeDescriptor<List<String>>() {});
assertNotEquals(descriptor, new TypeDescriptor<List<Boolean>>() {});
}
}