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From s...@apache.org
Subject svn commit: r760284 - /commons/proper/compress/trunk/src/test/java/org/apache/commons/compress/IOMethodsTest.java
Date Tue, 31 Mar 2009 01:04:00 GMT
Author: sebb
Date: Tue Mar 31 01:03:59 2009
New Revision: 760284

URL: http://svn.apache.org/viewvc?rev=760284&view=rev
Log:
Add tests of read and write

Added:
    commons/proper/compress/trunk/src/test/java/org/apache/commons/compress/IOMethodsTest.java
  (with props)

Added: commons/proper/compress/trunk/src/test/java/org/apache/commons/compress/IOMethodsTest.java
URL: http://svn.apache.org/viewvc/commons/proper/compress/trunk/src/test/java/org/apache/commons/compress/IOMethodsTest.java?rev=760284&view=auto
==============================================================================
--- commons/proper/compress/trunk/src/test/java/org/apache/commons/compress/IOMethodsTest.java
(added)
+++ commons/proper/compress/trunk/src/test/java/org/apache/commons/compress/IOMethodsTest.java
Tue Mar 31 01:03:59 2009
@@ -0,0 +1,160 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.commons.compress;
+
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+import org.apache.commons.compress.archivers.ArchiveEntry;
+import org.apache.commons.compress.archivers.ArchiveInputStream;
+import org.apache.commons.compress.archivers.ArchiveOutputStream;
+import org.apache.commons.compress.archivers.ar.ArArchiveEntry;
+import org.apache.commons.compress.archivers.cpio.CpioArchiveEntry;
+import org.apache.commons.compress.archivers.jar.JarArchiveEntry;
+import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
+import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
+
+/**
+ * Check that the different write methods create the same output.
+ * TODO perform the same checks for reads.
+ */
+public class IOMethodsTest extends AbstractTestCase {
+
+    private static final int bytesToTest = 50;
+    private static final byte[] byteTest = new byte[bytesToTest];
+    static {
+        for(int i=0; i < byteTest.length ;) {
+            byteTest[i]=(byte) i;
+            byteTest[i+1]=(byte) -i;
+            i += 2;
+        }
+    }
+    
+    public void testWriteAr() throws Exception {
+        ArchiveEntry entry = new ArArchiveEntry("dummy", bytesToTest);
+        compareWrites("ar", entry);
+    }
+    public void testWriteCpio() throws Exception {
+        ArchiveEntry entry = new CpioArchiveEntry("dummy", bytesToTest);
+        compareWrites("cpio", entry);
+    }
+    public void testWriteJar() throws Exception {
+        ArchiveEntry entry = new JarArchiveEntry("dummy");
+        compareWrites("jar", entry);
+    }
+    public void testWriteTar() throws Exception {
+        TarArchiveEntry entry = new TarArchiveEntry("dummy");
+        entry.setSize(bytesToTest);
+        compareWrites("tar", entry);
+    }
+    public void testWriteZip() throws Exception {
+        ArchiveEntry entry = new ZipArchiveEntry("dummy");
+        compareWrites("zip", entry);
+    }
+
+    public void testReadAr() throws Exception {
+        compareReads("ar");
+    }
+
+    public void testReadCpio() throws Exception {
+        compareReads("cpio");
+    }
+
+    public void testReadJar() throws Exception {
+        compareReads("jar");
+    }
+
+    public void testReadTar() throws Exception {
+        compareReads("tar");
+    }
+
+    public void testReadZip() throws Exception {
+        compareReads("zip");
+    }
+
+    private void compareWrites(String archiverName, ArchiveEntry entry) throws Exception
{
+        OutputStream out1 = new ByteArrayOutputStream();
+        OutputStream out2 = new ByteArrayOutputStream();
+        OutputStream out3 = new ByteArrayOutputStream();
+        ArchiveOutputStream aos1 = factory.createArchiveOutputStream(archiverName, out1);
+        aos1.putArchiveEntry(entry);
+        ArchiveOutputStream aos2 = factory.createArchiveOutputStream(archiverName, out2);
+        aos2.putArchiveEntry(entry);
+        ArchiveOutputStream aos3 = factory.createArchiveOutputStream(archiverName, out3);
+        aos3.putArchiveEntry(entry);
+        for (int i=0; i<byteTest.length; i++){
+            aos1.write(byteTest[i]);            
+        }
+        aos1.close();
+        aos2.write(byteTest);
+        aos2.close();
+        aos3.write(byteTest, 0, byteTest.length);
+        aos3.close();
+        assertEquals("out1!=out2",out1.toString(),out2.toString());
+        assertEquals("out1!=out3",out1.toString(),out3.toString());
+    }
+    private void compareReads(String archiverName) throws Exception {
+        OutputStream out1 = new ByteArrayOutputStream();
+        OutputStream out2 = new ByteArrayOutputStream();
+        OutputStream out3 = new ByteArrayOutputStream();
+        File file = createSingleEntryArchive(archiverName);
+        
+        InputStream is1 = new FileInputStream(file);
+        ArchiveInputStream ais1 = factory.createArchiveInputStream(archiverName, is1);
+        final ArchiveEntry nextEntry = ais1.getNextEntry();
+        assertNotNull(nextEntry);
+        final long size = nextEntry.getSize();
+        assertTrue("Size > 0: "+size, size > 0);
+        byte [] buff = new byte[(int)size];
+        
+        InputStream is2 = new FileInputStream(file);
+        ArchiveInputStream ais2 = factory.createArchiveInputStream(archiverName, is2);
+        final ArchiveEntry nextEntry2 = ais2.getNextEntry();
+        assertNotNull(nextEntry2);
+        assertEquals("Expected same entry size", size, nextEntry2.getSize());
+
+        InputStream is3 = new FileInputStream(file);
+        ArchiveInputStream ais3 = factory.createArchiveInputStream(archiverName, is3);
+        final ArchiveEntry nextEntry3 = ais3.getNextEntry();
+        assertNotNull(nextEntry3);
+        assertEquals("Expected same entry size", size, nextEntry3.getSize());
+
+        int b;
+        while((b=ais1.read()) != -1){
+            out1.write(b);
+        }
+        ais1.close();
+
+        while(ais2.read(buff)>0){
+            out2.write(buff);
+        }
+        ais2.close();
+        
+        while(ais3.read(buff, 0 , buff.length)>0){
+            out3.write(buff);
+        }
+        ais3.close();
+
+        assertEquals("out1!=out2",out1.toString(),out2.toString());
+        assertEquals("out1!=out3",out1.toString(),out3.toString());
+    }
+}

Propchange: commons/proper/compress/trunk/src/test/java/org/apache/commons/compress/IOMethodsTest.java
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    svn:eol-style = native

Propchange: commons/proper/compress/trunk/src/test/java/org/apache/commons/compress/IOMethodsTest.java
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    svn:keywords = Author Date Id Revision



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