| /**************************************************************** |
| * 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 * |
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| * specific language governing permissions and limitations * |
| * under the License. * |
| ****************************************************************/ |
| |
| package org.apache.james.mailbox.elasticsearch.json; |
| |
| import static org.assertj.core.api.Assertions.assertThat; |
| import static org.assertj.core.api.Assertions.assertThatThrownBy; |
| |
| import org.junit.Test; |
| |
| import com.google.common.base.Joiner; |
| import com.google.common.collect.ImmutableSet; |
| |
| public class SubjectsTest { |
| |
| @Test |
| public void fromShouldThrowWhenSetIsNull() { |
| assertThatThrownBy(() -> Subjects.from(null)) |
| .isInstanceOf(NullPointerException.class) |
| .hasMessage("'subjects' is mandatory"); |
| } |
| |
| @Test |
| public void serializeShouldReturnEmptyWhenEmptySet() { |
| Subjects subjects = Subjects.from(ImmutableSet.of()); |
| |
| assertThat(subjects.serialize()).isEmpty(); |
| } |
| |
| @Test |
| public void serializeShouldNotJoinWhenOneElement() { |
| String expected = "subject"; |
| Subjects subjects = Subjects.from(ImmutableSet.of(expected)); |
| |
| assertThat(subjects.serialize()).isEqualTo(expected); |
| } |
| |
| @Test |
| public void serializeShouldJoinWhenMultipleElements() { |
| String subject = "subject"; |
| String subject2 = "subject2"; |
| String subject3 = "subject3"; |
| |
| String expected = Joiner.on(" ").join(subject, subject2, subject3); |
| |
| Subjects subjects = Subjects.from(ImmutableSet.of(subject, subject2, subject3)); |
| |
| assertThat(subjects.serialize()).isEqualTo(expected); |
| } |
| } |