Java tutorial
/* * #%L * Wisdom-Framework * %% * Copyright (C) 2013 - 2014 Wisdom Framework * %% * 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. * #L% */ package org.wisdom.api.bodies; import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.databind.node.ObjectNode; import com.google.common.base.Charsets; import org.apache.commons.io.FileUtils; import org.apache.commons.io.IOUtils; import org.junit.Test; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.wisdom.api.http.MimeTypes; import org.xml.sax.InputSource; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import java.io.ByteArrayInputStream; import java.io.File; import java.io.StringReader; import java.io.StringWriter; import java.util.Arrays; import java.util.List; import static org.assertj.core.api.Assertions.assertThat; /** * Check the Empty Http Body */ public class RenderableTest { @Test public void testNoHttpBody() throws Exception { NoHttpBody body = NoHttpBody.INSTANCE; assertThat(body.length()).isEqualTo(0); assertThat(body.content()).isNull(); assertThat(body.mimetype()).isEqualTo(MimeTypes.TEXT); assertThat(body.mustBeChunked()).isFalse(); assertThat(body.requireSerializer()).isFalse(); byte[] bytes = IOUtils.toByteArray(body.render(null, null)); assertThat(bytes).isEmpty(); } @Test public void testRenderableString() throws Exception { final String hello = "hello"; RenderableString body = new RenderableString(hello); assertThat(body.length()).isEqualTo(hello.length()); assertThat(body.content()).isEqualTo(hello); assertThat(body.mimetype()).isEqualTo(MimeTypes.HTML); assertThat(body.mustBeChunked()).isFalse(); assertThat(body.requireSerializer()).isFalse(); byte[] bytes = IOUtils.toByteArray(body.render(null, null)); assertThat(new String(bytes, Charsets.UTF_8)).isEqualTo(hello); body = new RenderableString(hello, MimeTypes.TEXT); assertThat(body.length()).isEqualTo(hello.length()); assertThat(body.content()).isEqualTo(hello); assertThat(body.mimetype()).isEqualTo(MimeTypes.TEXT); assertThat(body.mustBeChunked()).isFalse(); assertThat(body.requireSerializer()).isFalse(); bytes = IOUtils.toByteArray(body.render(null, null)); assertThat(new String(bytes, Charsets.UTF_8)).isEqualTo(hello); body = new RenderableString(new StringBuilder().append("hello")); assertThat(body.length()).isEqualTo(hello.length()); assertThat(body.content()).isEqualTo(hello); assertThat(body.mimetype()).isEqualTo(MimeTypes.HTML); assertThat(body.mustBeChunked()).isFalse(); assertThat(body.requireSerializer()).isFalse(); bytes = IOUtils.toByteArray(body.render(null, null)); assertThat(new String(bytes, Charsets.UTF_8)).isEqualTo(hello); body = new RenderableString(new StringBuffer().append("hello")); assertThat(body.length()).isEqualTo(hello.length()); assertThat(body.content()).isEqualTo(hello); assertThat(body.mimetype()).isEqualTo(MimeTypes.HTML); assertThat(body.mustBeChunked()).isFalse(); assertThat(body.requireSerializer()).isFalse(); bytes = IOUtils.toByteArray(body.render(null, null)); assertThat(new String(bytes, Charsets.UTF_8)).isEqualTo(hello); body = new RenderableString(new StringBuffer().append("hello"), MimeTypes.TEXT); assertThat(body.length()).isEqualTo(hello.length()); assertThat(body.content()).isEqualTo(hello); assertThat(body.mimetype()).isEqualTo(MimeTypes.TEXT); assertThat(body.mustBeChunked()).isFalse(); assertThat(body.requireSerializer()).isFalse(); bytes = IOUtils.toByteArray(body.render(null, null)); assertThat(new String(bytes, Charsets.UTF_8)).isEqualTo(hello); body = new RenderableString(new StringWriter().append("hello")); assertThat(body.length()).isEqualTo(hello.length()); assertThat(body.content()).isEqualTo(hello); assertThat(body.mimetype()).isEqualTo(MimeTypes.HTML); assertThat(body.mustBeChunked()).isFalse(); assertThat(body.requireSerializer()).isFalse(); bytes = IOUtils.toByteArray(body.render(null, null)); assertThat(new String(bytes, Charsets.UTF_8)).isEqualTo(hello); body = new RenderableString(new StringWriter().append("hello"), MimeTypes.JAVASCRIPT); assertThat(body.length()).isEqualTo(hello.length()); assertThat(body.content()).isEqualTo(hello); assertThat(body.mimetype()).isEqualTo(MimeTypes.JAVASCRIPT); assertThat(body.mustBeChunked()).isFalse(); assertThat(body.requireSerializer()).isFalse(); bytes = IOUtils.toByteArray(body.render(null, null)); assertThat(new String(bytes, Charsets.UTF_8)).isEqualTo(hello); } @Test public void testRenderableFile() throws Exception { final File file = new File("target/test-classes/a_file.txt"); RenderableFile body = new RenderableFile(file); assertThat(body.length()).isEqualTo(file.length()); assertThat(body.content()).isEqualTo(file); assertThat(body.mimetype()).isEqualTo(MimeTypes.TEXT); assertThat(body.mustBeChunked()).isTrue(); assertThat(body.requireSerializer()).isFalse(); byte[] bytes = IOUtils.toByteArray(body.render(null, null)); assertThat(new String(bytes, Charsets.UTF_8)).isEqualTo("Used as test data."); } @Test public void testRenderableFileAsChunked() throws Exception { final File file = new File("target/test-classes/a_file.txt"); RenderableFile body = new RenderableFile(file, false); assertThat(body.length()).isEqualTo(file.length()); assertThat(body.content()).isEqualTo(file); assertThat(body.mimetype()).isEqualTo(MimeTypes.TEXT); assertThat(body.mustBeChunked()).isFalse(); assertThat(body.requireSerializer()).isFalse(); byte[] bytes = IOUtils.toByteArray(body.render(null, null)); assertThat(new String(bytes, Charsets.UTF_8)).isEqualTo("Used as test data."); } @Test public void testRenderableStream() throws Exception { final File file = new File("target/test-classes/a_file.txt"); RenderableStream body = new RenderableStream(FileUtils.openInputStream(file)); // Unknown size and mime type assertThat(body.length()).isEqualTo(-1); assertThat(body.mimetype()).isNull(); assertThat(body.mustBeChunked()).isTrue(); assertThat(body.requireSerializer()).isFalse(); byte[] bytes = IOUtils.toByteArray(body.render(null, null)); assertThat(new String(bytes, Charsets.UTF_8)).isEqualTo("Used as test data."); } @Test public void testRenderableUrl() throws Exception { final File file = new File("target/test-classes/a_file.txt"); RenderableURL body = new RenderableURL(file.toURI().toURL()); // Unknown size but mime type determined assertThat(body.length()).isEqualTo(-1); assertThat(body.mimetype()).isEqualTo(MimeTypes.TEXT); assertThat(body.mustBeChunked()).isTrue(); assertThat(body.requireSerializer()).isFalse(); byte[] bytes = IOUtils.toByteArray(body.render(null, null)); assertThat(new String(bytes, Charsets.UTF_8)).isEqualTo("Used as test data."); } @Test public void testRenderableJson() throws Exception { String LF = System.getProperty("line.separator"); ObjectNode node = new ObjectMapper().createObjectNode(); node.put("message", "hello"); String nodeasString = "{" + LF + " \"message\" : \"hello\"" + LF + "}"; RenderableJson body = new RenderableJson(node); assertThat(body.length()).isEqualTo(nodeasString.length()); assertThat(body.mimetype()).isEqualTo(MimeTypes.JSON); assertThat(body.content()).isEqualTo(node); assertThat(body.mustBeChunked()).isFalse(); assertThat(body.requireSerializer()).isFalse(); byte[] bytes = IOUtils.toByteArray(body.render(null, null)); assertThat(new String(bytes, Charsets.UTF_8)).isEqualTo(nodeasString); } @Test public void testRenderableXMLFromDocument() throws Exception { String LF = System.getProperty("line.separator"); final String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>" + LF + "<message>hello</message>" + LF; DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); DocumentBuilder builder = factory.newDocumentBuilder(); Document document = builder.parse(new InputSource(new StringReader("<message>hello</message>"))); RenderableXML body = new RenderableXML(document); assertThat(body.length()).isEqualTo(xml.length()); assertThat(body.mimetype()).isEqualTo(MimeTypes.XML); assertThat(body.content()).isNotNull(); assertThat(body.mustBeChunked()).isFalse(); assertThat(body.requireSerializer()).isFalse(); byte[] bytes = IOUtils.toByteArray(body.render(null, null)); assertThat(new String(bytes, Charsets.UTF_8)).isEqualTo(xml); } @Test public void testRenderableXMLFromElement() throws Exception { String LF = System.getProperty("line.separator"); final String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>" + LF + "<message>hello</message>" + LF; Element node = DocumentBuilderFactory.newInstance().newDocumentBuilder() .parse(new ByteArrayInputStream("<message>hello</message>".getBytes())).getDocumentElement(); RenderableXML body = new RenderableXML(node); assertThat(body.length()).isEqualTo(xml.length()); assertThat(body.mimetype()).isEqualTo(MimeTypes.XML); assertThat(body.content()).isNotNull(); assertThat(body.mustBeChunked()).isFalse(); assertThat(body.requireSerializer()).isFalse(); byte[] bytes = IOUtils.toByteArray(body.render(null, null)); assertThat(new String(bytes, Charsets.UTF_8)).isEqualTo(xml); } @Test public void testRenderableObject() throws Exception { List<String> list = Arrays.asList("a", "b", "c"); RenderableObject body = new RenderableObject(list); // Unknown assertThat(body.length()).isEqualTo(-1); assertThat(body.mimetype()).isEqualTo(null); assertThat(body.content()).isEqualTo(list); assertThat(body.mustBeChunked()).isFalse(); assertThat(body.requireSerializer()).isTrue(); body.setSerializedForm("a,b,c"); byte[] bytes = IOUtils.toByteArray(body.render(null, null)); assertThat(new String(bytes, Charsets.UTF_8)).isEqualTo("a,b,c"); } }