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Add Kotlin based ScriptTemplateView rendering test
Kotlin JSR 223 support currently requires kotlin-script-util dependency (jcabi-aether, maven-core and aether-api can be excluded since they are only used for live import of dependencies and bring a lot of JARs in the classpath) and a /META-INF/services/javax.script.ScriptEngineFactory file specifying the ScriptEngineFactory to use, in that case org.jetbrains.kotlin.script.jsr223.KotlinJsr223JvmLocalScriptEngineFactory. Issue: SPR-15059
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.../src/test/java/org/springframework/web/servlet/view/script/KotlinScriptTemplateTests.java
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/* | ||
* Copyright 2002-2015 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 | ||
* | ||
* http://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. | ||
*/ | ||
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package org.springframework.web.servlet.view.script; | ||
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import java.util.HashMap; | ||
import java.util.Map; | ||
import javax.servlet.ServletContext; | ||
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import static org.junit.Assert.assertEquals; | ||
import org.junit.Before; | ||
import org.junit.Test; | ||
import static org.mockito.Mockito.mock; | ||
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import org.springframework.context.annotation.AnnotationConfigApplicationContext; | ||
import org.springframework.context.annotation.Bean; | ||
import org.springframework.context.annotation.Configuration; | ||
import org.springframework.mock.web.test.MockHttpServletRequest; | ||
import org.springframework.mock.web.test.MockHttpServletResponse; | ||
import org.springframework.mock.web.test.MockServletContext; | ||
import org.springframework.web.context.WebApplicationContext; | ||
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/** | ||
* Unit tests for Kotlin script templates running on Kotlin JSR 223 support | ||
* | ||
* @author Sebastien Deleuze | ||
*/ | ||
public class KotlinScriptTemplateTests { | ||
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private WebApplicationContext webAppContext; | ||
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private ServletContext servletContext; | ||
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@Before | ||
public void setup() { | ||
this.webAppContext = mock(WebApplicationContext.class); | ||
this.servletContext = new MockServletContext(); | ||
this.servletContext.setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, this.webAppContext); | ||
} | ||
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@Test | ||
public void renderTemplate() throws Exception { | ||
Map<String, Object> model = new HashMap<>(); | ||
model.put("title", "Layout example"); | ||
model.put("body", "This is the body"); | ||
MockHttpServletResponse response = renderViewWithModel("org/springframework/web/servlet/view/script/kotlin/template.kts", | ||
model, ScriptTemplatingConfiguration.class); | ||
assertEquals("<html><head><title>Layout example</title></head><body><p>This is the body</p></body></html>", | ||
response.getContentAsString()); | ||
} | ||
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private MockHttpServletResponse renderViewWithModel(String viewUrl, Map<String, Object> model, Class<?> configuration) throws Exception { | ||
ScriptTemplateView view = createViewWithUrl(viewUrl, configuration); | ||
MockHttpServletResponse response = new MockHttpServletResponse(); | ||
MockHttpServletRequest request = new MockHttpServletRequest(); | ||
view.renderMergedOutputModel(model, request, response); | ||
return response; | ||
} | ||
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private ScriptTemplateView createViewWithUrl(String viewUrl, Class<?> configuration) throws Exception { | ||
AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext(); | ||
ctx.register(configuration); | ||
ctx.refresh(); | ||
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ScriptTemplateView view = new ScriptTemplateView(); | ||
view.setApplicationContext(ctx); | ||
view.setUrl(viewUrl); | ||
view.afterPropertiesSet(); | ||
return view; | ||
} | ||
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@Configuration | ||
static class ScriptTemplatingConfiguration { | ||
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@Bean | ||
public ScriptTemplateConfigurer kotlinScriptConfigurer() { | ||
ScriptTemplateConfigurer configurer = new ScriptTemplateConfigurer(); | ||
configurer.setEngineName("kotlin"); | ||
configurer.setScripts("org/springframework/web/servlet/view/script/kotlin/render.kts"); | ||
configurer.setRenderFunction("render"); | ||
return configurer; | ||
} | ||
} | ||
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} |
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spring-webmvc/src/test/resources/META-INF/services/javax.script.ScriptEngineFactory
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org.jetbrains.kotlin.script.jsr223.KotlinJsr223JvmLocalScriptEngineFactory |
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...g-webmvc/src/test/resources/org/springframework/web/servlet/view/script/kotlin/render.kts
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import javax.script.* | ||
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// TODO Use engine.eval(String, Bindings) when https://youtrack.jetbrains.com/issue/KT-15450 will be fixed | ||
fun render(template: String, model: Map<String, Any>, url: String): String { | ||
val engine = ScriptEngineManager().getEngineByName("kotlin") | ||
val bindings = SimpleBindings() | ||
bindings.putAll(model) | ||
engine.setBindings(bindings, ScriptContext.ENGINE_SCOPE) | ||
return engine.eval(template) as String | ||
} |
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...webmvc/src/test/resources/org/springframework/web/servlet/view/script/kotlin/template.kts
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"""<html><head><title>${bindings["title"]}</title></head><body><p>${bindings["body"]}</p></body></html>""" |