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/*
* Copyright (C) 2007 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 com.android.unit_tests;
import com.google.android.util.SimplePullParser;
import junit.framework.TestCase;
import android.test.suitebuilder.annotation.SmallTest;
public class SimplePullParserTest extends TestCase {
@SmallTest
public void testTwoLevels() throws Exception {
String xml = ""
+ "<top a='1' b='hello'>\n"
+ " <next c='2' d='there'/>\n"
+ " <next c='3' d='bye'/>\n"
+ "</top>";
SimplePullParser parser = new SimplePullParser(xml);
int depth0 = parser.getDepth();
assertEquals(0, depth0);
assertEquals("top", parser.nextTag(depth0));
assertEquals(1, parser.getIntAttribute(null, "a"));
assertEquals("hello", parser.getStringAttribute(null, "b"));
int depth1 = parser.getDepth();
assertEquals(1, depth1);
assertEquals("next", parser.nextTag(depth1));
assertEquals(2, parser.getIntAttribute(null, "c"));
assertEquals("there", parser.getStringAttribute(null, "d"));
assertEquals("next", parser.nextTag(depth1));
assertEquals(3, parser.getIntAttribute(null, "c"));
assertEquals("bye", parser.getStringAttribute(null, "d"));
assertNull(parser.nextTag(depth1));
assertNull(parser.nextTag(depth0));
}
@SmallTest
public void testAttributes() throws Exception {
String xml = "<top a='1' b='hello'/>";
SimplePullParser parser = new SimplePullParser(xml);
int depth = parser.getDepth();
parser.nextTag(depth);
assertEquals(2, parser.numAttributes());
assertEquals("a", parser.getAttributeName(0));
assertEquals("b", parser.getAttributeName(1));
assertEquals(1, parser.getIntAttribute(null, "a"));
assertEquals(5, parser.getIntAttribute(null, "c", 5));
assertEquals("hello", parser.getStringAttribute(null, "b"));
assertEquals("not", parser.getStringAttribute(null, "d", "not"));
}
@SmallTest
public void testRecovery() throws Exception {
String xml = ""
+ "<top a='1' b='hello'>\n"
+ " <middle c='2' d='there'>\n"
+ " <inner/>\n"
+ " <inner2/>\n"
+ " <inner3/>\n"
+ " </middle>\n"
+ " <middle2/>\n"
+ "</top>";
SimplePullParser parser = new SimplePullParser(xml);
assertEquals(0, parser.getDepth());
assertEquals("top", parser.nextTag(0));
assertEquals(1, parser.getDepth());
assertEquals("middle", parser.nextTag(1));
assertEquals(2, parser.getDepth());
assertEquals("inner", parser.nextTag(2));
// Now skip some elements.
assertEquals("middle2", parser.nextTag(1));
}
@SmallTest
public void testCdata() throws Exception {
StringBuilder cdataBuilder;
String xml = ""
+ "<top>"
+ "<![CDATA[data0]]>"
+ "<next0/>"
+ "<![CDATA[data1]]>"
+ "<next1/>"
+ "<![CDATA[data2]]>"
+ "<next2/>"
+ "<![CDATA[data3]]>"
+ "<next3/>"
+ "<![CDATA[data4]]>"
+ "<next4/>"
+ "<![CDATA[data5]]>"
+ "</top>";
SimplePullParser parser = new SimplePullParser(xml);
assertEquals("top", parser.nextTag(0));
// We can ignore cdata by not passing a cdata builder.
assertEquals("next0", parser.nextTag(1));
// We can get the most recent cdata by passing an empty cdata builder.
cdataBuilder = new StringBuilder();
assertSame(SimplePullParser.TEXT_TAG, parser.nextTagOrText(1, cdataBuilder));
assertEquals("data1", cdataBuilder.toString());
assertEquals("next1", parser.nextTag(1));
// We can join multiple cdatas by reusing a builder.
cdataBuilder = new StringBuilder();
assertSame(SimplePullParser.TEXT_TAG, parser.nextTagOrText(1, cdataBuilder));
assertEquals("next2", parser.nextTag(1));
assertSame(SimplePullParser.TEXT_TAG, parser.nextTagOrText(1, cdataBuilder));
assertEquals("data2data3", cdataBuilder.toString());
assertEquals("next3", parser.nextTag(1));
// We can read all of the remaining cdata while ignoring any elements.
cdataBuilder = new StringBuilder();
parser.readRemainingText(1, cdataBuilder);
assertEquals("data4data5", cdataBuilder.toString());
}
}
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