Merge pull request #25130 from bono007

* pr/25130:
  Polish "Validate Cassandra defaults"
  Validate Cassandra defaults

Closes gh-25130

Author: snicoll

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/cassandra/CassandraPropertiesTest.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright 2012-2021 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.autoconfigure.cassandra;
+
+import com.datastax.oss.driver.api.core.config.OptionsMap;
+import com.datastax.oss.driver.api.core.config.TypedDriverOption;
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Tests for {@link CassandraProperties}.
+ *
+ * @author Chris Bono
+ */
+class CassandraPropertiesTest {
+
+	@Test
+	void defaultValuesAreConsistent() {
+		CassandraProperties properties = new CassandraProperties();
+		OptionsMap driverDefaults = OptionsMap.driverDefaults();
+		assertThat(properties.getConnection().getConnectTimeout())
+				.isEqualTo(driverDefaults.get(TypedDriverOption.CONNECTION_CONNECT_TIMEOUT));
+		assertThat(properties.getConnection().getInitQueryTimeout())
+				.isEqualTo(driverDefaults.get(TypedDriverOption.CONNECTION_INIT_QUERY_TIMEOUT));
+		assertThat(properties.getRequest().getTimeout())
+				.isEqualTo(driverDefaults.get(TypedDriverOption.REQUEST_TIMEOUT));
+		assertThat(properties.getRequest().getPageSize())
+				.isEqualTo(driverDefaults.get(TypedDriverOption.REQUEST_PAGE_SIZE));
+		assertThat(properties.getRequest().getThrottler().getType().type())
+				.isEqualTo(driverDefaults.get(TypedDriverOption.REQUEST_THROTTLER_CLASS));
+		assertThat(properties.getPool().getHeartbeatInterval())
+				.isEqualTo(driverDefaults.get(TypedDriverOption.HEARTBEAT_INTERVAL));
+	}
+
+}