| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| package tests.xml; |
| |
| import dalvik.annotation.KnownFailure; |
| import junit.framework.TestCase; |
| import org.xml.sax.Attributes; |
| import org.xml.sax.ContentHandler; |
| import org.xml.sax.InputSource; |
| import org.xml.sax.XMLReader; |
| import org.xml.sax.helpers.DefaultHandler; |
| |
| import javax.xml.parsers.SAXParser; |
| import javax.xml.parsers.SAXParserFactory; |
| import java.io.StringReader; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| /** |
| * Initiate and observe a SAX parse session. |
| */ |
| public class SaxTest extends TestCase { |
| |
| public void testNoPrefixesNoNamespaces() throws Exception { |
| parse(false, false, "<foo bar=\"baz\"/>", new DefaultHandler() { |
| @Override public void startElement(String uri, String localName, |
| String qName, Attributes attributes) { |
| assertEquals("", uri); |
| assertEquals("", localName); |
| assertEquals("foo", qName); |
| assertEquals(1, attributes.getLength()); |
| assertEquals("", attributes.getURI(0)); |
| assertOneOf("bar", "", attributes.getLocalName(0)); |
| assertEquals("bar", attributes.getQName(0)); |
| } |
| }); |
| |
| parse(false, false, "<a:foo a:bar=\"baz\"/>", new DefaultHandler() { |
| @Override public void startElement(String uri, String localName, |
| String qName, Attributes attributes) { |
| assertEquals("", uri); |
| assertEquals("", localName); |
| assertEquals("a:foo", qName); |
| assertEquals(1, attributes.getLength()); |
| assertEquals("", attributes.getURI(0)); |
| assertOneOf("a:bar", "", attributes.getLocalName(0)); |
| assertEquals("a:bar", attributes.getQName(0)); |
| } |
| }); |
| } |
| |
| public void testNoPrefixesYesNamespaces() throws Exception { |
| parse(false, true, "<foo bar=\"baz\"/>", new DefaultHandler() { |
| @Override public void startElement(String uri, String localName, |
| String qName, Attributes attributes) { |
| assertEquals("", uri); |
| assertEquals("foo", localName); |
| assertEquals("foo", qName); |
| assertEquals(1, attributes.getLength()); |
| assertEquals("", attributes.getURI(0)); |
| assertEquals("bar", attributes.getLocalName(0)); |
| assertEquals("bar", attributes.getQName(0)); |
| } |
| }); |
| |
| parse(false, true, "<a:foo a:bar=\"baz\" xmlns:a=\"http://quux\"/>", new DefaultHandler() { |
| @Override public void startElement(String uri, String localName, |
| String qName, Attributes attributes) { |
| assertEquals("http://quux", uri); |
| assertEquals("foo", localName); |
| assertEquals("a:foo", qName); |
| assertEquals(1, attributes.getLength()); |
| assertEquals("http://quux", attributes.getURI(0)); |
| assertEquals("bar", attributes.getLocalName(0)); |
| assertEquals("a:bar", attributes.getQName(0)); |
| } |
| }); |
| } |
| |
| /** |
| * Android's Expat-based SAX parser fails this test because Expat doesn't |
| * supply us with our much desired {@code xmlns="http://..."} attributes. |
| */ |
| @KnownFailure("No xmlns attributes from Expat") |
| public void testYesPrefixesYesNamespaces() throws Exception { |
| parse(true, true, "<foo bar=\"baz\"/>", new DefaultHandler() { |
| @Override public void startElement(String uri, String localName, |
| String qName, Attributes attributes) { |
| assertEquals("", uri); |
| assertEquals("foo", localName); |
| assertEquals("foo", qName); |
| assertEquals(1, attributes.getLength()); |
| assertEquals("", attributes.getURI(0)); |
| assertEquals("bar", attributes.getLocalName(0)); |
| assertEquals("bar", attributes.getQName(0)); |
| } |
| }); |
| |
| parse(true, true, "<a:foo a:bar=\"baz\" xmlns:a=\"http://quux\"/>", new DefaultHandler() { |
| @Override public void startElement(String uri, String localName, |
| String qName, Attributes attributes) { |
| assertEquals("http://quux", uri); |
| assertEquals("foo", localName); |
| assertEquals("a:foo", qName); |
| assertEquals(2, attributes.getLength()); |
| assertEquals("http://quux", attributes.getURI(0)); |
| assertEquals("bar", attributes.getLocalName(0)); |
| assertEquals("a:bar", attributes.getQName(0)); |
| assertEquals("", attributes.getURI(1)); |
| assertEquals("", attributes.getLocalName(1)); |
| assertEquals("xmlns:a", attributes.getQName(1)); |
| } |
| }); |
| } |
| |
| public void testYesPrefixesNoNamespaces() throws Exception { |
| parse(true, false, "<foo bar=\"baz\"/>", new DefaultHandler() { |
| @Override public void startElement(String uri, String localName, |
| String qName, Attributes attributes) { |
| assertEquals("", uri); |
| assertEquals("", localName); |
| assertEquals("foo", qName); |
| assertEquals(1, attributes.getLength()); |
| assertEquals("", attributes.getURI(0)); |
| assertOneOf("bar", "", attributes.getLocalName(0)); |
| assertEquals("bar", attributes.getQName(0)); |
| } |
| }); |
| |
| parse(true, false, "<a:foo a:bar=\"baz\"/>", new DefaultHandler() { |
| @Override public void startElement(String uri, String localName, |
| String qName, Attributes attributes) { |
| assertEquals("", uri); |
| assertEquals("", localName); |
| assertEquals("a:foo", qName); |
| assertEquals(1, attributes.getLength()); |
| assertEquals("", attributes.getURI(0)); |
| assertOneOf("a:bar", "", attributes.getLocalName(0)); |
| assertEquals("a:bar", attributes.getQName(0)); |
| } |
| }); |
| } |
| |
| private void parse(boolean prefixes, boolean namespaces, String xml, |
| ContentHandler handler) throws Exception { |
| SAXParser parser = SAXParserFactory.newInstance().newSAXParser(); |
| XMLReader reader = parser.getXMLReader(); |
| reader.setFeature("http://xml.org/sax/features/namespace-prefixes", prefixes); |
| reader.setFeature("http://xml.org/sax/features/namespaces", namespaces); |
| reader.setContentHandler(handler); |
| reader.parse(new InputSource(new StringReader(xml))); |
| } |
| |
| /** |
| * @param expected an optional value that may or may have not been supplied |
| * @param sentinel a marker value that means the expected value was omitted |
| */ |
| private void assertOneOf(String expected, String sentinel, String actual) { |
| List<String> optionsList = Arrays.asList(sentinel, expected); |
| assertTrue("Expected one of " + optionsList + " but was " + actual, |
| optionsList.contains(actual)); |
| } |
| } |