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
This commit is contained in:
Sebastien Deleuze
parent
ef4340063e
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badde3a479
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@ -969,6 +969,15 @@ project("spring-webmvc") {
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testCompile("org.mozilla:rhino:1.7.7.1")
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testRuntime("org.jruby:jruby:9.1.6.0")
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testRuntime("org.python:jython-standalone:2.5.3")
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// Ideally, kotlin-script-runtime should be enough for JSR-223, but that's not
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// the case yet, so we depend on kotlin-script-util and exclude these
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// dependencies only used for artifact retrieval. Point raised to Kotlin team.
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testRuntime("org.jetbrains.kotlin:kotlin-compiler:${kotlinVersion}")
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testRuntime("org.jetbrains.kotlin:kotlin-script-util:${kotlinVersion}") {
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exclude group: "com.jcabi", module: "jcabi-aether"
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exclude group: "org.apache.maven", module: "maven-core"
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exclude group: "org.sonatype.aether", module: "aether-api"
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}
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testRuntime("org.webjars:underscorejs:1.8.3")
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testRuntime("org.glassfish:javax.el:3.0.1-b08")
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testRuntime("com.sun.xml.bind:jaxb-core:${jaxbVersion}")
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@ -0,0 +1,100 @@
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/*
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* Copyright 2002-2015 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.web.servlet.view.script;
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import java.util.HashMap;
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import java.util.Map;
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import javax.servlet.ServletContext;
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import static org.junit.Assert.assertEquals;
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import org.junit.Before;
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import org.junit.Test;
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import static org.mockito.Mockito.mock;
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import org.springframework.context.annotation.AnnotationConfigApplicationContext;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.mock.web.test.MockHttpServletRequest;
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import org.springframework.mock.web.test.MockHttpServletResponse;
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import org.springframework.mock.web.test.MockServletContext;
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import org.springframework.web.context.WebApplicationContext;
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/**
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* Unit tests for Kotlin script templates running on Kotlin JSR 223 support
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*
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* @author Sebastien Deleuze
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*/
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public class KotlinScriptTemplateTests {
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private WebApplicationContext webAppContext;
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private ServletContext servletContext;
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@Before
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public void setup() {
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this.webAppContext = mock(WebApplicationContext.class);
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this.servletContext = new MockServletContext();
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this.servletContext.setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, this.webAppContext);
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}
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@Test
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public void renderTemplate() throws Exception {
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Map<String, Object> model = new HashMap<>();
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model.put("title", "Layout example");
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model.put("body", "This is the body");
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MockHttpServletResponse response = renderViewWithModel("org/springframework/web/servlet/view/script/kotlin/template.kts",
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model, ScriptTemplatingConfiguration.class);
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assertEquals("<html><head><title>Layout example</title></head><body><p>This is the body</p></body></html>",
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response.getContentAsString());
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}
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private MockHttpServletResponse renderViewWithModel(String viewUrl, Map<String, Object> model, Class<?> configuration) throws Exception {
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ScriptTemplateView view = createViewWithUrl(viewUrl, configuration);
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MockHttpServletResponse response = new MockHttpServletResponse();
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MockHttpServletRequest request = new MockHttpServletRequest();
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view.renderMergedOutputModel(model, request, response);
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return response;
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}
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private ScriptTemplateView createViewWithUrl(String viewUrl, Class<?> configuration) throws Exception {
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AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
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ctx.register(configuration);
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ctx.refresh();
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ScriptTemplateView view = new ScriptTemplateView();
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view.setApplicationContext(ctx);
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view.setUrl(viewUrl);
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view.afterPropertiesSet();
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return view;
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}
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@Configuration
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static class ScriptTemplatingConfiguration {
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@Bean
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public ScriptTemplateConfigurer kotlinScriptConfigurer() {
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ScriptTemplateConfigurer configurer = new ScriptTemplateConfigurer();
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configurer.setEngineName("kotlin");
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configurer.setScripts("org/springframework/web/servlet/view/script/kotlin/render.kts");
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configurer.setRenderFunction("render");
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return configurer;
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}
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}
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}
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@ -0,0 +1 @@
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org.jetbrains.kotlin.script.jsr223.KotlinJsr223JvmLocalScriptEngineFactory
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@ -0,0 +1,10 @@
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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
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fun render(template: String, model: Map<String, Any>, url: String): String {
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val engine = ScriptEngineManager().getEngineByName("kotlin")
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val bindings = SimpleBindings()
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bindings.putAll(model)
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engine.setBindings(bindings, ScriptContext.ENGINE_SCOPE)
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return engine.eval(template) as String
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}
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@ -0,0 +1 @@
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"""<html><head><title>${bindings["title"]}</title></head><body><p>${bindings["body"]}</p></body></html>"""
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