Add support for Oracle R2DBC Service Connection

Testcontainers for Java 1.18.0 offers support for Oracle R2DBC.

spring-boot-project/spring-boot-dependencies/build.gradle

@@ -1447,7 +1447,7 @@ bom {
 			]
 		}
 	}
-	library("Testcontainers", "1.17.6") {
+	library("Testcontainers", "1.18.0") {
 		group("org.testcontainers") {
 			imports = [
 				"testcontainers-bom"

spring-boot-project/spring-boot-test-autoconfigure/build.gradle

@@ -71,6 +71,7 @@ dependencies {
 	optional("org.testcontainers:mssqlserver")
 	optional("org.testcontainers:mysql")
 	optional("org.testcontainers:neo4j")
+	optional("org.testcontainers:oracle-xe")
 	optional("org.testcontainers:postgresql")
 	optional("org.testcontainers:rabbitmq")
 	optional("org.testcontainers:r2dbc")

spring-boot-project/spring-boot-test-autoconfigure/src/main/java/org/springframework/boot/test/autoconfigure/r2dbc/OracleR2dbcContainerConnectionDetailsFactory.java

@@ -0,0 +1,62 @@
+/*
+ * Copyright 2012-2023 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.test.autoconfigure.r2dbc;
+
+import io.r2dbc.spi.ConnectionFactoryOptions;
+import org.testcontainers.containers.OracleContainer;
+import org.testcontainers.containers.OracleR2DBCDatabaseContainer;
+
+import org.springframework.boot.autoconfigure.r2dbc.R2dbcConnectionDetails;
+import org.springframework.boot.autoconfigure.service.connection.ConnectionDetailsFactory;
+import org.springframework.boot.test.autoconfigure.service.connection.ContainerConnectionDetailsFactory;
+import org.springframework.boot.test.autoconfigure.service.connection.ContainerConnectionSource;
+
+/**
+ * {@link ConnectionDetailsFactory} for
+ * {@link R2dbcServiceConnection @R2dbcServiceConnection}- annotated
+ * {@link OracleContainer} fields.
+ *
+ * @author Eddú Meléndez
+ */
+class OracleR2dbcContainerConnectionDetailsFactory
+		extends ContainerConnectionDetailsFactory<R2dbcServiceConnection, R2dbcConnectionDetails, OracleContainer> {
+
+	@Override
+	public R2dbcConnectionDetails getContainerConnectionDetails(
+			ContainerConnectionSource<R2dbcServiceConnection, R2dbcConnectionDetails, OracleContainer> source) {
+		return new R2dbcDatabaseContainerConnectionDetails(source.getContainer());
+	}
+
+	/**
+	 * {@link R2dbcConnectionDetails} backed by a {@link ContainerConnectionSource}.
+	 */
+	private static final class R2dbcDatabaseContainerConnectionDetails implements R2dbcConnectionDetails {
+
+		private final OracleContainer container;
+
+		private R2dbcDatabaseContainerConnectionDetails(OracleContainer container) {
+			this.container = container;
+		}
+
+		@Override
+		public ConnectionFactoryOptions getConnectionFactoryOptions() {
+			return OracleR2DBCDatabaseContainer.getOptions(this.container);
+		}
+
+	}
+
+}

spring-boot-project/spring-boot-test-autoconfigure/src/main/resources/META-INF/spring.factories

@@ -32,5 +32,6 @@ org.springframework.boot.test.autoconfigure.mongo.MongoContainerConnectionDetail
 org.springframework.boot.test.autoconfigure.neo4j.Neo4jContainerConnectionDetailsFactory,\
 org.springframework.boot.test.autoconfigure.r2dbc.MariaDbR2dbcContainerConnectionDetailsFactory,\
 org.springframework.boot.test.autoconfigure.r2dbc.MySqlR2dbcContainerConnectionDetailsFactory,\
+org.springframework.boot.test.autoconfigure.r2dbc.OracleR2dbcContainerConnectionDetailsFactory,\
 org.springframework.boot.test.autoconfigure.r2dbc.PostgresR2dbcContainerConnectionDetailsFactory,\
 org.springframework.boot.test.autoconfigure.r2dbc.SqlServerR2dbcContainerConnectionDetailsFactory