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package data.io.ldap;

import static org.junit.Assert.assertTrue;

import org.junit.Before;
import org.junit.Test;

import data.MVDataEntry;

public class LDAPDataReaderTest {

	LDAPConnectionWrapper builder;
	
	@Before
	public void setup() {
		builder = new LDAPConnectionWrapper("localhost", 389, "uid=ldapadmin,ou=specialUsers,dc=univ-jfc,dc=fr", "secret");
	}

	/*
	@Test
	public void testLookAhead1() {
		_testLookAhead(1);
	}
	*/
	
	@Test
	public void testLookAhead16() {
		_testLookAhead(16);
	}
	
	@Test
	public void testLookAhead32() {
		_testLookAhead(32);
	}
	
	@Test
	public void testLookAhead64() {
		_testLookAhead(64);
	}
	
	@Test
	public void testLookAhead128() {
		_testLookAhead(128);
	}
	
	@Test
	public void testLookAhead192() {
		_testLookAhead(192);
	}
	
	@Test
	public void testLookAhead256() {
		_testLookAhead(256);
	}
	
	@Test
	public void testLookAhead512() {
		_testLookAhead(512);
	}
	
	@Test
	public void testLookAhead1024() {
		_testLookAhead(1024);
	}
	
	private void _testLookAhead(int lookAheadAmount) {
		System.out.println("_testLookAhead("+lookAheadAmount+")");
		LDAPFlatDataReader reader = builder.newFlatReader("ldap_test", "ou=people,dc=univ-jfc,dc=fr", "uid", lookAheadAmount);
		
		int resultCount = 0;
		String previousKey=null;
		for ( MVDataEntry entry : reader ) {
			//System.out.println(entry);
			if ( previousKey != null ) assertTrue(entry.getKey().compareTo(previousKey) > 0);
			resultCount++;
			previousKey=entry.getKey();
		}
		System.out.println(resultCount);
		assertTrue(resultCount>0);
		
		// Second time with a second iterator (must give the same results)
		int newResultCount = 0;
		previousKey=null;
		for ( MVDataEntry entry : reader ) {
			//System.out.println(entry);
			if ( previousKey != null ) assertTrue(entry.getKey().compareTo(previousKey) > 0);
			newResultCount++;
			previousKey=entry.getKey();
		}
		System.out.println(newResultCount);
		assertTrue(newResultCount == resultCount);
		
	}
}