Add Docker Compose support for MS SQL Server using R2DBC

Closes gh-35144

spring-boot-project/spring-boot-docker-compose/src/test/java/org/springframework/boot/docker/compose/service/connection/sqlserver/MsSqlServerEnvironmentTests.java

@@ -0,0 +1,65 @@
+/*
+ * 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.docker.compose.service.connection.sqlserver;
+
+import java.util.Collections;
+import java.util.Map;
+
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatIllegalStateException;
+
+/**
+ * Tests for {@link MsSqlServerEnvironment}.
+ *
+ * @author Andy Wilkinson
+ */
+class MsSqlServerEnvironmentTests {
+
+	@Test
+	void createWhenHasNoPasswordThrowsException() {
+		assertThatIllegalStateException().isThrownBy(() -> new MsSqlServerEnvironment(Collections.emptyMap()))
+			.withMessage("No MSSQL password found");
+	}
+
+	@Test
+	void getUsernameWhenHasNoMsSqlUser() {
+		MsSqlServerEnvironment environment = new MsSqlServerEnvironment(Map.of("MSSQL_SA_PASSWORD", "secret"));
+		assertThat(environment.getUsername()).isEqualTo("SA");
+	}
+
+	@Test
+	void getPasswordWhenHasMsSqlSaPassword() {
+		MsSqlServerEnvironment environment = new MsSqlServerEnvironment(Map.of("MSSQL_SA_PASSWORD", "secret"));
+		assertThat(environment.getPassword()).isEqualTo("secret");
+	}
+
+	@Test
+	void getPasswordWhenHasSaPassword() {
+		MsSqlServerEnvironment environment = new MsSqlServerEnvironment(Map.of("SA_PASSWORD", "secret"));
+		assertThat(environment.getPassword()).isEqualTo("secret");
+	}
+
+	@Test
+	void getPasswordWhenHasMsSqlSaPasswordAndSaPasswordPrefersMsSqlSaPassword() {
+		MsSqlServerEnvironment environment = new MsSqlServerEnvironment(
+				Map.of("MSSQL_SA_PASSWORD", "secret", "SA_PASSWORD", "not used"));
+		assertThat(environment.getPassword()).isEqualTo("secret");
+	}
+
+}

spring-boot-project/spring-boot-docker-compose/src/test/java/org/springframework/boot/docker/compose/service/connection/sqlserver/MsSqlServerR2dbcDockerComposeConnectionDetailsFactoryIntegrationTests.java

@@ -0,0 +1,48 @@
+/*
+ * 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.docker.compose.service.connection.sqlserver;
+
+import io.r2dbc.spi.ConnectionFactoryOptions;
+import org.junit.jupiter.api.Test;
+
+import org.springframework.boot.autoconfigure.r2dbc.R2dbcConnectionDetails;
+import org.springframework.boot.docker.compose.service.connection.test.AbstractDockerComposeIntegrationTests;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Integration tests for {@link MsSqlServerR2dbcDockerComposeConnectionDetailsFactory}
+ *
+ * @author Andy Wilkinson
+ */
+class MsSqlServerR2dbcDockerComposeConnectionDetailsFactoryIntegrationTests
+		extends AbstractDockerComposeIntegrationTests {
+
+	MsSqlServerR2dbcDockerComposeConnectionDetailsFactoryIntegrationTests() {
+		super("mssqlserver-compose.yaml");
+	}
+
+	@Test
+	void runCreatesConnectionDetails() {
+		R2dbcConnectionDetails connectionDetails = run(R2dbcConnectionDetails.class);
+		ConnectionFactoryOptions connectionFactoryOptions = connectionDetails.getConnectionFactoryOptions();
+		assertThat(connectionFactoryOptions.toString()).contains("driver=mssql", "password=REDACTED", "user=SA");
+		assertThat(connectionFactoryOptions.getRequiredValue(ConnectionFactoryOptions.PASSWORD))
+			.isEqualTo("verYs3cret");
+	}
+
+}

spring-boot-project/spring-boot-docker-compose/src/test/resources/org/springframework/boot/docker/compose/service/connection/sqlserver/mssqlserver-compose.yaml

@@ -0,0 +1,8 @@
+services:
+  database:
+    image: 'mcr.microsoft.com/mssql/server'
+    ports:
+      - '1433'
+    environment:
+      - 'MSSQL_SA_PASSWORD=verYs3cret'
+      - 'ACCEPT_EULA=yes'