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18 package org.apache.hadoop.hbase.http.conf;
19
20 import java.io.StringReader;
21 import java.io.StringWriter;
22 import java.util.Map;
23
24 import javax.xml.parsers.DocumentBuilder;
25 import javax.xml.parsers.DocumentBuilderFactory;
26
27 import junit.framework.TestCase;
28
29 import org.apache.hadoop.conf.Configuration;
30 import org.apache.hadoop.hbase.testclassification.SmallTests;
31 import org.junit.Test;
32 import org.junit.experimental.categories.Category;
33 import org.mortbay.util.ajax.JSON;
34 import org.w3c.dom.Document;
35 import org.w3c.dom.Element;
36 import org.w3c.dom.Node;
37 import org.w3c.dom.NodeList;
38 import org.xml.sax.InputSource;
39
40
41
42
43
44 @Category(SmallTests.class)
45 public class TestConfServlet extends TestCase {
46 private static final String TEST_KEY = "testconfservlet.key";
47 private static final String TEST_VAL = "testval";
48
49 private Configuration getTestConf() {
50 Configuration testConf = new Configuration();
51 testConf.set(TEST_KEY, TEST_VAL);
52 return testConf;
53 }
54
55 @Test
56 @SuppressWarnings("unchecked")
57 public void testWriteJson() throws Exception {
58 StringWriter sw = new StringWriter();
59 ConfServlet.writeResponse(getTestConf(), sw, "json");
60 String json = sw.toString();
61 boolean foundSetting = false;
62 Object parsed = JSON.parse(json);
63 Object[] properties = ((Map<String, Object[]>)parsed).get("properties");
64 for (Object o : properties) {
65 Map<String, Object> propertyInfo = (Map<String, Object>)o;
66 String key = (String)propertyInfo.get("key");
67 String val = (String)propertyInfo.get("value");
68 String resource = (String)propertyInfo.get("resource");
69 System.err.println("k: " + key + " v: " + val + " r: " + resource);
70 if (TEST_KEY.equals(key) && TEST_VAL.equals(val)
71 && "programatically".equals(resource)) {
72 foundSetting = true;
73 }
74 }
75 assertTrue(foundSetting);
76 }
77
78 @Test
79 public void testWriteXml() throws Exception {
80 StringWriter sw = new StringWriter();
81 ConfServlet.writeResponse(getTestConf(), sw, "xml");
82 String xml = sw.toString();
83
84 DocumentBuilderFactory docBuilderFactory
85 = DocumentBuilderFactory.newInstance();
86 DocumentBuilder builder = docBuilderFactory.newDocumentBuilder();
87 Document doc = builder.parse(new InputSource(new StringReader(xml)));
88 NodeList nameNodes = doc.getElementsByTagName("name");
89 boolean foundSetting = false;
90 for (int i = 0; i < nameNodes.getLength(); i++) {
91 Node nameNode = nameNodes.item(i);
92 String key = nameNode.getTextContent();
93 System.err.println("xml key: " + key);
94 if (TEST_KEY.equals(key)) {
95 foundSetting = true;
96 Element propertyElem = (Element)nameNode.getParentNode();
97 String val = propertyElem.getElementsByTagName("value").item(0).getTextContent();
98 assertEquals(TEST_VAL, val);
99 }
100 }
101 assertTrue(foundSetting);
102 }
103
104 @Test
105 public void testBadFormat() throws Exception {
106 StringWriter sw = new StringWriter();
107 try {
108 ConfServlet.writeResponse(getTestConf(), sw, "not a format");
109 fail("writeResponse with bad format didn't throw!");
110 } catch (ConfServlet.BadFormatException bfe) {
111
112 }
113 assertEquals("", sw.toString());
114 }
115 }