Disable embedded web auto-config when not using embedded web server

See gh-34332

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/condition/ConditionalOnNotWarDeploymentTests.java

@@ -0,0 +1,77 @@
+/*
+ * 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.autoconfigure.condition;
+
+import org.junit.jupiter.api.Test;
+
+import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+import org.springframework.boot.test.context.runner.ReactiveWebApplicationContextRunner;
+import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
+import org.springframework.boot.web.servlet.context.AnnotationConfigServletWebApplicationContext;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Tests for {@link ConditionalOnNotWarDeployment @ConditionalOnNotWarDeployment}.
+ *
+ * @author Guirong Hu
+ */
+class ConditionalOnNotWarDeploymentTests {
+
+	@Test
+	void nonWebApplicationShouldMatch() {
+		ApplicationContextRunner contextRunner = new ApplicationContextRunner();
+		contextRunner.withUserConfiguration(NotWarDeploymentConfiguration.class)
+			.run((context) -> assertThat(context).hasBean("notForWar"));
+	}
+
+	@Test
+	void reactiveWebApplicationShouldMatch() {
+		ReactiveWebApplicationContextRunner contextRunner = new ReactiveWebApplicationContextRunner();
+		contextRunner.withUserConfiguration(NotWarDeploymentConfiguration.class)
+			.run((context) -> assertThat(context).hasBean("notForWar"));
+	}
+
+	@Test
+	void embeddedServletWebApplicationShouldMatch() {
+		WebApplicationContextRunner contextRunner = new WebApplicationContextRunner(
+				AnnotationConfigServletWebApplicationContext::new);
+		contextRunner.withUserConfiguration(NotWarDeploymentConfiguration.class)
+			.run((context) -> assertThat(context).hasBean("notForWar"));
+	}
+
+	@Test
+	void warDeployedServletWebApplicationShouldNotMatch() {
+		WebApplicationContextRunner contextRunner = new WebApplicationContextRunner();
+		contextRunner.withUserConfiguration(NotWarDeploymentConfiguration.class)
+			.run((context) -> assertThat(context).doesNotHaveBean("notForWar"));
+	}
+
+	@Configuration(proxyBeanMethods = false)
+	@ConditionalOnNotWarDeployment
+	static class NotWarDeploymentConfiguration {
+
+		@Bean
+		String notForWar() {
+			return "notForWar";
+		}
+
+	}
+
+}