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/*
* Copyright (C) 2011 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.loganalysis.parser;
import com.android.loganalysis.item.IItem;
import junit.framework.TestCase;
import java.util.ArrayList;
import java.util.List;
/**
* Unit tests for {@link AbstractSectionParser}
*/
public class AbstractSectionParserTest extends TestCase {
AbstractSectionParser mParser = null;
@Override
public void setUp() throws Exception {
super.setUp();
mParser = new AbstractSectionParser() {
@Override
public IItem parse(List<String> lines) {
for (String line : lines) {
parseLine(line);
}
commit();
return null;
}
};
}
private static class FakeBlockParser implements IParser {
private String mExpected = null;
private int mCalls = 0;
public FakeBlockParser(String expected) {
mExpected = expected;
}
public int getCalls() {
return mCalls;
}
@Override
public IItem parse(List<String> input) {
assertEquals(1, input.size());
assertEquals("parseBlock() got unexpected input!", mExpected, input.get(0));
mCalls += 1;
return null;
}
}
/**
* Verifies that {@link AbstractSectionParser} switches between parsers as expected
*/
public void testSwitchParsers() {
final String lineFormat = "howdy, parser %d!";
final String linePattern = "I spy %d candles";
final int nParsers = 4;
FakeBlockParser[] parsers = new FakeBlockParser[nParsers];
final List<String> lines = new ArrayList<String>(2*nParsers);
for (int i = 0; i < nParsers; ++i) {
String line = String.format(lineFormat, i);
FakeBlockParser parser = new FakeBlockParser(line);
mParser.addSectionParser(parser, String.format(linePattern, i));
parsers[i] = parser;
// add the parser trigger
lines.add(String.format(linePattern, i));
// and then add the line that the parser is expecting
lines.add(String.format(lineFormat, i));
}
mParser.parse(lines);
// Verify that all the parsers were run
for (int i = 0; i < nParsers; ++i) {
assertEquals(String.format("Parser %d has wrong call count!", i), 1,
parsers[i].getCalls());
}
}
}
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