/*
 * Copyright 2013-2024 the original author or authors.
 *
 * Licensed 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
 *
 *      https://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.springframework.cloud.kubernetes.commons.loadbalancer;

import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;

import org.springframework.boot.test.system.OutputCaptureExtension;

import static org.assertj.core.api.Assertions.assertThat;

/**
 * @author wind57
 */
@ExtendWith(OutputCaptureExtension.class)
class KubernetesServiceInstanceMapperTests {

	@Test
	void testCreateHostWithNamespace() {
		String namespace = "customNamespace";
		String host = KubernetesServiceInstanceMapper.createHost("serviceName", namespace, "clusterDomain");
		assertThat(host).isEqualTo("serviceName.customNamespace.svc.clusterDomain");
	}

	@Test
	void testCreateHostWithEmptyNamespace() {
		String host = KubernetesServiceInstanceMapper.createHost("serviceName", "", "clusterDomain");
		assertThat(host).isEqualTo("serviceName.default.svc.clusterDomain");
	}

	@Test
	void testCreateHostWithNullNamespace() {
		String host = KubernetesServiceInstanceMapper.createHost("serviceName", null, "clusterDomain");
		assertThat(host).isEqualTo("serviceName.default.svc.clusterDomain");
	}

}
