BridgeXmlBlockParserTest.java revision 1911a6f7812e3f7dcb83fd4741a297d043a80e46 
1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.layoutlib.bridge.android;
18
19import com.android.layoutlib.bridge.android.BridgeXmlBlockParser;
20
21import org.kxml2.io.KXmlParser;
22import org.w3c.dom.Node;
23import org.xmlpull.v1.XmlPullParser;
24
25import java.io.InputStream;
26
27import junit.framework.TestCase;
28
29public class BridgeXmlBlockParserTest extends TestCase {
30
31    @Override
32    protected void setUp() throws Exception {
33        super.setUp();
34    }
35
36    @Override
37    protected void tearDown() throws Exception {
38        super.tearDown();
39    }
40
41    public void testXmlBlockParser() throws Exception {
42        XmlPullParser parser = new KXmlParser();
43        parser = new BridgeXmlBlockParser(parser, null, false /* platformResourceFlag */);
44
45        InputStream input = this.getClass().getClassLoader().getResourceAsStream(
46            "com/android/layoutlib/testdata/layout1.xml");
47        parser.setInput(input, null /*encoding*/);
48
49        assertEquals(XmlPullParser.START_DOCUMENT, parser.next());
50
51        assertEquals(XmlPullParser.START_TAG, parser.next());
52        assertEquals("LinearLayout", parser.getName());
53
54        assertEquals(XmlPullParser.TEXT, parser.next());
55
56        assertEquals(XmlPullParser.START_TAG, parser.next());
57        assertEquals("Button", parser.getName());
58        assertEquals(XmlPullParser.TEXT, parser.next());
59        assertEquals(XmlPullParser.END_TAG, parser.next());
60
61        assertEquals(XmlPullParser.TEXT, parser.next());
62
63        assertEquals(XmlPullParser.START_TAG, parser.next());
64        assertEquals("View", parser.getName());
65        assertEquals(XmlPullParser.END_TAG, parser.next());
66
67        assertEquals(XmlPullParser.TEXT, parser.next());
68
69        assertEquals(XmlPullParser.START_TAG, parser.next());
70        assertEquals("TextView", parser.getName());
71        assertEquals(XmlPullParser.END_TAG, parser.next());
72
73        assertEquals(XmlPullParser.TEXT, parser.next());
74
75        assertEquals(XmlPullParser.END_TAG, parser.next());
76        assertEquals(XmlPullParser.END_DOCUMENT, parser.next());
77    }
78
79    //------------
80
81    /**
82     * Quick'n'dirty debug helper that dumps an XML structure to stdout.
83     */
84    @SuppressWarnings("unused")
85    private void dump(Node node, String prefix) {
86        Node n;
87
88        String[] types = {
89                "unknown",
90                "ELEMENT_NODE",
91                "ATTRIBUTE_NODE",
92                "TEXT_NODE",
93                "CDATA_SECTION_NODE",
94                "ENTITY_REFERENCE_NODE",
95                "ENTITY_NODE",
96                "PROCESSING_INSTRUCTION_NODE",
97                "COMMENT_NODE",
98                "DOCUMENT_NODE",
99                "DOCUMENT_TYPE_NODE",
100                "DOCUMENT_FRAGMENT_NODE",
101                "NOTATION_NODE"
102        };
103
104        String s = String.format("%s<%s> %s %s",
105                prefix,
106                types[node.getNodeType()],
107                node.getNodeName(),
108                node.getNodeValue() == null ? "" : node.getNodeValue().trim());
109
110        System.out.println(s);
111
112        n = node.getFirstChild();
113        if (n != null) {
114            dump(n, prefix + "- ");
115        }
116
117        n = node.getNextSibling();
118        if (n != null) {
119            dump(n, prefix);
120        }
121
122    }
123
124}
125