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/*
* 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.thrift;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import org.junit.jupiter.api.Test;
// Tests and documents behavior for the "Option<T>" type
public class TestOptionType {
@Test
public void testSome() {
String name = "Chuck Norris";
Option<String> option = Option.fromNullable(name);
assertTrue(option instanceof Option.Some);
assertTrue(option.isDefined());
assertEquals("Some(Chuck Norris)", option.toString());
assertEquals(option.or("default value"), "Chuck Norris");
assertEquals(option.get(), "Chuck Norris");
}
@Test
public void testNone() throws Exception {
String name = null;
Option<String> option = Option.fromNullable(name);
assertTrue(option instanceof Option.None);
assertFalse(option.isDefined());
assertEquals("None", option.toString());
assertEquals(option.or("default value"), "default value");
// Expect exception
assertThrows(IllegalStateException.class, option::get);
}
@Test
public void testMakeSome() throws Exception {
Option<String> some = Option.some("wee");
assertTrue(some.isDefined());
}
@Test
public void testMakeNone() throws Exception {
Option<Integer> none = Option.none();
assertFalse(none.isDefined());
}
}
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