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package org.apache.james.imap.decode.parser;
import static org.junit.Assert.*;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.apache.james.imap.api.ImapCommand;
import org.apache.james.imap.api.ImapMessage;
import org.apache.james.imap.api.message.IdRange;
import org.apache.james.imap.api.message.request.DayMonthYear;
import org.apache.james.imap.api.message.request.SearchKey;
import org.apache.james.imap.decode.ImapRequestLineReader;
import org.apache.james.imap.decode.DecodingException;
import org.apache.james.imap.decode.ImapRequestStreamLineReader;
import org.jmock.Mockery;
import org.jmock.integration.junit4.JMock;
import org.jmock.integration.junit4.JUnit4Mockery;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
@RunWith(JMock.class)
public class SearchCommandParserTopLevelAndTest {
Input[] one = { sequence() };
Input[] base = { sequence(), uid(), fromHeader(), since(), stringQuoted(),
stringUnquoted(), draft() };
Input[] variety = { sequence(), uid(), fromHeader(), since(),
stringQuoted(), stringUnquoted(), draft(), mailingListHeader(),
on(), unanswered(), };
public static Input sequence() {
IdRange[] range = { new IdRange(100, Long.MAX_VALUE), new IdRange(110),
new IdRange(200, 201), new IdRange(400, Long.MAX_VALUE) };
SearchKey key = SearchKey.buildSequenceSet(IdRange.mergeRanges(Arrays.asList(range)).toArray(new IdRange[0]));
return new Input("*:100,110,200:201,400:*", key);
}
public static Input uid() {
IdRange[] range = { new IdRange(100, Long.MAX_VALUE), new IdRange(110),
new IdRange(200, 201), new IdRange(400, Long.MAX_VALUE) };
SearchKey key = SearchKey.buildUidSet(IdRange.mergeRanges(Arrays.asList(range)).toArray(new IdRange[0]));
return new Input("UID *:100,110,200:201,400:*", key);
}
public static Input fromHeader() {
SearchKey key = SearchKey.buildHeader("FROM", "Smith");
return new Input("HEADER FROM Smith", key);
}
public static Input to() {
SearchKey key = SearchKey
.buildTo("JAMES Server Development <server-dev@james.apache.org>");
return new Input(
"To \"JAMES Server Development <server-dev@james.apache.org>\"",
key);
}
public static Input mailingListHeader() {
SearchKey key = SearchKey.buildHeader("Mailing-List",
"contact server-dev-help@james.apache.org; run by ezmlm");
return new Input(
"HEADER Mailing-List \"contact server-dev-help@james.apache.org; run by ezmlm\"",
key);
}
public static Input since() {
SearchKey key = SearchKey.buildSince(new DayMonthYear(11, 1, 2001));
return new Input("since 11-Jan-2001", key);
}
public static Input on() {
SearchKey key = SearchKey.buildOn(new DayMonthYear(1, 2, 2001));
return new Input("on 1-Feb-2001", key);
}
public static Input stringUnquoted() {
SearchKey key = SearchKey.buildFrom("Smith");
return new Input("FROM Smith", key);
}
public static Input stringQuoted() {
SearchKey key = SearchKey.buildFrom("Smith And Jones");
return new Input("FROM \"Smith And Jones\"", key);
}
public static Input draft() {
SearchKey key = SearchKey.buildDraft();
return new Input("DRAFT", key);
}
public static Input unanswered() {
SearchKey key = SearchKey.buildUnanswered();
return new Input("unanswered", key);
}
public static final class Input {
public String input;
public SearchKey key;
public Input(String input, SearchKey key) {
super();
this.input = input;
this.key = key;
}
}
SearchCommandParser parser;
ImapCommand command;
ImapMessage message;
private Mockery mockery = new JUnit4Mockery();
@Before
public void setUp() throws Exception {
parser = new SearchCommandParser();
command = ImapCommand.anyStateCommand("Command");
message = mockery.mock(ImapMessage.class);
}
@Test
public void testLargePermutations() throws Exception {
permute(16, one);
permute(32, one);
}
@Test
public void testBasePermutations() throws Exception {
permute(2, base);
permute(3, base);
permute(4, base);
permute(5, base);
}
@Test
public void testVarietyPermutations() throws Exception {
permute(5, variety);
}
private void permute(int mutations, Input[] inputs) throws Exception {
permute(mutations, new ArrayList<SearchKey>(), new StringBuffer(), inputs);
}
private void permute(int mutations, List<SearchKey> keys, StringBuffer buffer,
Input[] inputs) throws Exception {
if (mutations == 0) {
check(keys, buffer);
} else {
mutations -= 1;
for (int i = 0; i < inputs.length; i++) {
StringBuffer nextBuffer = new StringBuffer(buffer.toString());
if (nextBuffer.length() > 0) {
nextBuffer.append(' ');
}
nextBuffer.append(inputs[i].input);
List<SearchKey> nextKeys = new ArrayList<SearchKey>(keys);
nextKeys.add(inputs[i].key);
permute(mutations, nextKeys, nextBuffer, inputs);
}
}
}
private void check(List<SearchKey> keys, StringBuffer buffer)
throws UnsupportedEncodingException, DecodingException {
buffer.append("\r\n");
String input = buffer.toString();
SearchKey key = SearchKey.buildAnd(keys);
ImapRequestLineReader reader = new ImapRequestStreamLineReader(
new ByteArrayInputStream(input.getBytes("US-ASCII")),
new ByteArrayOutputStream());
assertEquals(input, key, parser.decode(null, reader));
}
}