From 8cb11b74cd706f9934d111150c79cc62fe098916 Mon Sep 17 00:00:00 2001
From: Andy Wilkinson <wilkinsona@vmware.com>
Date: Wed, 30 Mar 2022 10:33:35 +0100
Subject: [PATCH] Polish "Make MustacheViewResolver bean back off without
 Spring MVC"

See gh-30456
---
 ...heAutoConfigurationWithoutWebMvcTests.java | 45 +++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/mustache/MustacheAutoConfigurationWithoutWebMvcTests.java

diff --git a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/mustache/MustacheAutoConfigurationWithoutWebMvcTests.java b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/mustache/MustacheAutoConfigurationWithoutWebMvcTests.java
new file mode 100644
index 0000000000..be2a47669e
--- /dev/null
+++ b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/mustache/MustacheAutoConfigurationWithoutWebMvcTests.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2012-2022 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.mustache;
+
+import com.samskivert.mustache.Mustache;
+import org.junit.jupiter.api.Test;
+
+import org.springframework.boot.autoconfigure.AutoConfigurations;
+import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.ClassPathExclusions;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Tests for {@link MustacheAutoConfiguration} without Spring MVC on the class path.
+ *
+ * @author Andy Wilkinson
+ */
+@ClassPathExclusions("spring-webmvc-*.jar")
+class MustacheAutoConfigurationWithoutWebMvcTests {
+
+	@Test
+	void registerBeansForServletAppWithoutMvc() {
+		new WebApplicationContextRunner().withConfiguration(AutoConfigurations.of(MustacheAutoConfiguration.class))
+				.run((context) -> {
+					assertThat(context).hasSingleBean(Mustache.Compiler.class);
+					assertThat(context).hasSingleBean(MustacheResourceTemplateLoader.class);
+				});
+	}
+
+}