// Copyright (C) 2011-2012 CRS4.
//
// This file is part of Seal.
//
// Seal is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the Free
// Software Foundation, either version 3 of the License, or (at your option)
// any later version.
//
// Seal is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License along
// with Seal. If not, see <http://www.gnu.org/licenses/>.
package tests.it.crs4.seal.read_sort;
import java.io.StringReader;
import org.junit.*;
import static org.junit.Assert.*;
import it.crs4.seal.read_sort.FastaChecksummer;
import it.crs4.seal.common.UnknownItemException;
import it.crs4.seal.common.FormatException;
public class TestFastaChecksummer
{
private static final String fastaSample1 =
"> name\n" +
"AGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCT\n" +
"TCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGA";
private static final String fastaSample2 =
">name\n" +
"AGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCT\n" +
"TCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGA";
private static final String fastaSampleLongName =
">name part2 part3\n" +
"AGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCT\n" +
"TCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGA";
private static final String badFastaMissingHeader =
"AGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCT\n" +
"TCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGATCGA";
private FastaChecksummer emptyChecksummer;
private FastaChecksummer loadedChecksummer;
@Before
public void setup() throws java.io.IOException
{
emptyChecksummer = new FastaChecksummer();
loadedChecksummer = new FastaChecksummer();
loadedChecksummer.setInput( new StringReader(fastaSample1) );
loadedChecksummer.calculate();
}
@Test(expected=IllegalStateException.class)
public void testNoInput() throws java.io.IOException
{
emptyChecksummer.calculate();
}
@Test(expected=IllegalStateException.class)
public void testNoCalculate() throws java.io.IOException
{
emptyChecksummer.setInput( new StringReader(fastaSample1) );
emptyChecksummer.iterator();
}
@Test
public void testHasChecksum()
{
assertTrue(loadedChecksummer.hasChecksum("name"));
}
@Test
public void testNoSpaceBeforeName() throws java.io.IOException
{
emptyChecksummer.setInput( new StringReader(fastaSample2) );
emptyChecksummer.calculate();
assertTrue(emptyChecksummer.hasChecksum("name"));
}
@Test
public void testMultiPartName() throws java.io.IOException
{
emptyChecksummer.setInput( new StringReader(fastaSampleLongName) );
emptyChecksummer.calculate();
assertTrue(emptyChecksummer.hasChecksum("name"));
}
@Test(expected=UnknownItemException.class)
public void testUnknownItem()
{
loadedChecksummer.getChecksum("unknown item");
}
@Test
public void testChecksumIterator()
{
int count = 0;
for (FastaChecksummer.ChecksumEntry entry: loadedChecksummer)
{
count += 1;
assertEquals("name", entry.getName());
assertEquals("fa3ee16b821a1e1fbd8d8381c0a5ba8d", entry.getChecksum());
}
assertEquals(1, count);
}
@Test(expected=FormatException.class)
public void testMissingHeader() throws java.io.IOException
{
emptyChecksummer.setInput( new StringReader(badFastaMissingHeader) );
emptyChecksummer.calculate();
}
@Test(expected=FormatException.class)
public void testEmptyFasta() throws java.io.IOException
{
emptyChecksummer.setInput( new StringReader("") );
emptyChecksummer.calculate();
}
}