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MustacheAutoConfigurationTests.java
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MustacheAutoConfigurationTests.java
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/*
* 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.AbstractApplicationContextRunner;
import org.springframework.boot.test.context.runner.ReactiveWebApplicationContextRunner;
import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
import org.springframework.boot.web.servlet.view.MustacheViewResolver;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Tests for {@link MustacheAutoConfiguration}.
*
* @author Brian Clozel
* @author Andy Wilkinson
*/
class MustacheAutoConfigurationTests {
@Test
void registerBeansForServletApp() {
configure(new WebApplicationContextRunner()).run((context) -> {
assertThat(context).hasSingleBean(Mustache.Compiler.class);
assertThat(context).hasSingleBean(MustacheResourceTemplateLoader.class);
assertThat(context).hasSingleBean(MustacheViewResolver.class);
});
}
@Test
void servletViewResolverCanBeDisabled() {
configure(new WebApplicationContextRunner()).withPropertyValues("spring.mustache.enabled=false")
.run((context) -> {
assertThat(context).hasSingleBean(Mustache.Compiler.class);
assertThat(context).hasSingleBean(MustacheResourceTemplateLoader.class);
assertThat(context).doesNotHaveBean(MustacheViewResolver.class);
});
}
@Test
void registerCompilerForServletApp() {
configure(new WebApplicationContextRunner()).withUserConfiguration(CustomCompilerConfiguration.class)
.run((context) -> {
assertThat(context).hasSingleBean(Mustache.Compiler.class);
assertThat(context).hasSingleBean(MustacheResourceTemplateLoader.class);
assertThat(context).hasSingleBean(MustacheViewResolver.class);
assertThat(context.getBean(Mustache.Compiler.class).standardsMode).isTrue();
});
}
@Test
void registerBeansForReactiveApp() {
configure(new ReactiveWebApplicationContextRunner()).run((context) -> {
assertThat(context).hasSingleBean(Mustache.Compiler.class);
assertThat(context).hasSingleBean(MustacheResourceTemplateLoader.class);
assertThat(context).doesNotHaveBean(MustacheViewResolver.class);
assertThat(context)
.hasSingleBean(org.springframework.boot.web.reactive.result.view.MustacheViewResolver.class);
});
}
@Test
void reactiveViewResolverCanBeDisabled() {
configure(new ReactiveWebApplicationContextRunner()).withPropertyValues("spring.mustache.enabled=false")
.run((context) -> {
assertThat(context).hasSingleBean(Mustache.Compiler.class);
assertThat(context).hasSingleBean(MustacheResourceTemplateLoader.class);
assertThat(context).doesNotHaveBean(
org.springframework.boot.web.reactive.result.view.MustacheViewResolver.class);
});
}
@Test
void registerCompilerForReactiveApp() {
configure(new ReactiveWebApplicationContextRunner()).withUserConfiguration(CustomCompilerConfiguration.class)
.run((context) -> {
assertThat(context).hasSingleBean(Mustache.Compiler.class);
assertThat(context).hasSingleBean(MustacheResourceTemplateLoader.class);
assertThat(context).doesNotHaveBean(MustacheViewResolver.class);
assertThat(context).hasSingleBean(
org.springframework.boot.web.reactive.result.view.MustacheViewResolver.class);
assertThat(context.getBean(Mustache.Compiler.class).standardsMode).isTrue();
});
}
private <T extends AbstractApplicationContextRunner<T, ?, ?>> T configure(T runner) {
return runner.withPropertyValues("spring.mustache.prefix=classpath:/mustache-templates/")
.withConfiguration(AutoConfigurations.of(MustacheAutoConfiguration.class));
}
@Configuration(proxyBeanMethods = false)
static class CustomCompilerConfiguration {
@Bean
Mustache.Compiler compiler(Mustache.TemplateLoader mustacheTemplateLoader) {
return Mustache.compiler().standardsMode(true).withLoader(mustacheTemplateLoader);
}
}
}