/*
* R : A Computer Language for Statistical Data Analysis
* Copyright (C) 1995, 1996 Robert Gentleman and Ross Ihaka
* Copyright (C) 1997--2008 The R Development Core Team
* Copyright (C) 2003, 2004 The R Foundation
* Copyright (C) 2010 bedatadriven
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.renjin.primitives.io.connections;
import org.apache.commons.vfs2.FileObject;
import org.apache.commons.vfs2.VFS;
import org.junit.Test;
import org.renjin.EvalTestCase;
import org.renjin.sexp.SEXP;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.junit.Assert.assertThat;
public class GzFileConnectionTest extends EvalTestCase {
@Test
public void readCompressed() throws IOException {
FileObject file = VFS.getManager().resolveFile(getClass().getResource("test.txt.gz").getFile());
GzFileConnection conn = new GzFileConnection(file);
BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
assertThat(reader.readLine(), equalTo("hello world"));
}
@Test
public void multipleReads() throws IOException {
FileObject file = VFS.getManager().resolveFile(getClass().getResource("test2.txt").getFile());
SEXP conn = topLevelContext.getSession().getConnectionTable().newConnection(new GzFileConnection(file));
assertThat( Connections.readChar(topLevelContext, conn, 9, false), equalTo("The quick"));
assertThat( Connections.readChar(topLevelContext, conn, 6, false), equalTo(" brown"));
}
@Test
public void readUnCompressed() throws IOException {
FileObject file = VFS.getManager().resolveFile(getClass().getResource("test.txt").getFile());
GzFileConnection conn = new GzFileConnection(file);
BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
assertThat(reader.readLine(), equalTo("Hello again, dear world"));
}
}