BridgeXmlBlockParserTest.java revision fc511683b6647295cb645a0118d1b0afd575b3c3 
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.impl.ParserFactory;
20
21import org.w3c.dom.Node;
22import org.xmlpull.v1.XmlPullParser;
23
24import junit.framework.TestCase;
25
26public class BridgeXmlBlockParserTest extends TestCase {
27
28    @Override
29    protected void setUp() throws Exception {
30        super.setUp();
31    }
32
33    @Override
34    protected void tearDown() throws Exception {
35        super.tearDown();
36    }
37
38    public void testXmlBlockParser() throws Exception {
39
40        XmlPullParser parser = ParserFactory.create(
41                getClass().getResourceAsStream("/com/android/layoutlib/testdata/layout1.xml"),
42                        "layout1.xml");
43
44        parser = new BridgeXmlBlockParser(parser, null, false /* platformResourceFlag */);
45
46        assertEquals(XmlPullParser.START_DOCUMENT, parser.next());
47
48        assertEquals(XmlPullParser.START_TAG, parser.next());
49        assertEquals("LinearLayout", parser.getName());
50
51        assertEquals(XmlPullParser.TEXT, parser.next());
52
53        assertEquals(XmlPullParser.START_TAG, parser.next());
54        assertEquals("Button", parser.getName());
55        assertEquals(XmlPullParser.TEXT, parser.next());
56        assertEquals(XmlPullParser.END_TAG, parser.next());
57
58        assertEquals(XmlPullParser.TEXT, parser.next());
59
60        assertEquals(XmlPullParser.START_TAG, parser.next());
61        assertEquals("View", parser.getName());
62        assertEquals(XmlPullParser.END_TAG, parser.next());
63
64        assertEquals(XmlPullParser.TEXT, parser.next());
65
66        assertEquals(XmlPullParser.START_TAG, parser.next());
67        assertEquals("TextView", parser.getName());
68        assertEquals(XmlPullParser.END_TAG, parser.next());
69
70        assertEquals(XmlPullParser.TEXT, parser.next());
71
72        assertEquals(XmlPullParser.END_TAG, parser.next());
73        assertEquals(XmlPullParser.END_DOCUMENT, parser.next());
74    }
75
76    //------------
77
78    /**
79     * Quick'n'dirty debug helper that dumps an XML structure to stdout.
80     */
81    @SuppressWarnings("unused")
82    private void dump(Node node, String prefix) {
83        Node n;
84
85        String[] types = {
86                "unknown",
87                "ELEMENT_NODE",
88                "ATTRIBUTE_NODE",
89                "TEXT_NODE",
90                "CDATA_SECTION_NODE",
91                "ENTITY_REFERENCE_NODE",
92                "ENTITY_NODE",
93                "PROCESSING_INSTRUCTION_NODE",
94                "COMMENT_NODE",
95                "DOCUMENT_NODE",
96                "DOCUMENT_TYPE_NODE",
97                "DOCUMENT_FRAGMENT_NODE",
98                "NOTATION_NODE"
99        };
100
101        String s = String.format("%s<%s> %s %s",
102                prefix,
103                types[node.getNodeType()],
104                node.getNodeName(),
105                node.getNodeValue() == null ? "" : node.getNodeValue().trim());
106
107        System.out.println(s);
108
109        n = node.getFirstChild();
110        if (n != null) {
111            dump(n, prefix + "- ");
112        }
113
114        n = node.getNextSibling();
115        if (n != null) {
116            dump(n, prefix);
117        }
118
119    }
120
121}
122