| /* |
| * 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.geode.internal.alerting; |
| |
| import static org.apache.geode.internal.alerting.AlertingProviderRegistry.getNullAlertingProvider; |
| import static org.assertj.core.api.Assertions.assertThat; |
| import static org.mockito.Mockito.mock; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| import org.apache.geode.test.junit.categories.AlertingTest; |
| |
| /** |
| * Unit tests for {@link AlertingProviderRegistry}. |
| */ |
| @Category(AlertingTest.class) |
| public class AlertingProviderRegistryTest { |
| |
| private AlertingProvider provider; |
| |
| private AlertingProviderRegistry alertingProviderRegistry; |
| |
| @Before |
| public void setUp() { |
| provider = mock(AlertingProvider.class); |
| |
| alertingProviderRegistry = new AlertingProviderRegistry(); |
| } |
| |
| @Test |
| public void getAlertingProviderIsNullProviderBeforeRegister() { |
| assertThat(alertingProviderRegistry.getAlertingProvider()).isSameAs(getNullAlertingProvider()); |
| } |
| |
| @Test |
| public void getAlertingProviderIsSameAsRegisteredProvider() { |
| alertingProviderRegistry.registerAlertingProvider(provider); |
| |
| assertThat(alertingProviderRegistry.getAlertingProvider()).isSameAs(provider); |
| } |
| |
| @Test |
| public void unregisterDoesNothingIfNotRegistered() { |
| alertingProviderRegistry.unregisterAlertingProvider(provider); |
| |
| assertThat(alertingProviderRegistry.getAlertingProvider()).isSameAs(getNullAlertingProvider()); |
| } |
| |
| @Test |
| public void unregisterWrongProviderDoesNothing() { |
| alertingProviderRegistry.registerAlertingProvider(provider); |
| |
| alertingProviderRegistry.unregisterAlertingProvider(mock(AlertingProvider.class)); |
| |
| assertThat(alertingProviderRegistry.getAlertingProvider()).isSameAs(provider); |
| } |
| |
| @Test |
| public void unregisterDoesNothingIfNullProvider() { |
| alertingProviderRegistry.unregisterAlertingProvider(getNullAlertingProvider()); |
| |
| assertThat(alertingProviderRegistry.getAlertingProvider()).isSameAs(getNullAlertingProvider()); |
| } |
| |
| @Test |
| public void unregisterRemovesRegisteredProvider() { |
| alertingProviderRegistry.registerAlertingProvider(provider); |
| |
| alertingProviderRegistry.unregisterAlertingProvider(provider); |
| |
| assertThat(alertingProviderRegistry.getAlertingProvider()).isSameAs(getNullAlertingProvider()); |
| } |
| |
| @Test |
| public void registerAddsAlertingProvider() { |
| alertingProviderRegistry.registerAlertingProvider(provider); |
| |
| assertThat(alertingProviderRegistry.getAlertingProvider()).isSameAs(provider); |
| } |
| } |