Add service connection support for Hazelcast

See gh-42416

spring-boot-project/spring-boot-docker-compose/src/test/java/org/springframework/boot/docker/compose/service/connection/hazelcast/HazelcastEnvironmentTests.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2012-2024 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.boot.docker.compose.service.connection.hazelcast;
+
+import java.util.Collections;
+import java.util.Map;
+
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Tests for {@link HazelcastEnvironment}.
+ *
+ * @author Dmytro Nosan
+ */
+class HazelcastEnvironmentTests {
+
+	@Test
+	void getClusterNameWhenHasNoHzClusterNameSet() {
+		HazelcastEnvironment environment = new HazelcastEnvironment(Collections.emptyMap());
+		assertThat(environment.getClusterName()).isEmpty();
+	}
+
+	@Test
+	void getClusterNameWhenHzClusterNameSet() {
+		HazelcastEnvironment environment = new HazelcastEnvironment(Map.of("HZ_CLUSTERNAME", "spring-boot"));
+		assertThat(environment.getClusterName()).isNotEmpty().hasValue("spring-boot");
+	}
+
+}