public void testCompressEmptyBytes() throws Exception {
CompressionStrategy strategy = CompressionHelper.getDefaultCompressionStrategy();
byte[] bytes = new byte[0];
byte[] result = strategy.compressByteArray(bytes);
assertTrue(strategy.isCompressed(result));
}
public void testCompressDefaultGZip() throws Exception {
String temp = "This is a compressed string";
CompressionStrategy strategy = CompressionHelper.getDefaultCompressionStrategy();
byte[] compressed = strategy.compressByteArray(temp.getBytes());
// For small test data the compressed data will be bigger than the real data
assertTrue(compressed.length > temp.getBytes().length);
byte[] uncompressed = strategy.uncompressByteArray(compressed);
assertTrue(uncompressed.length == temp.getBytes().length);
assertEquals(temp, new String(uncompressed));
String tempLarge = temp;
for (int i = 0; i < 100; i++) {
tempLarge += temp;
}
compressed = strategy.compressByteArray(tempLarge.getBytes());
assertTrue(compressed.length < tempLarge.getBytes().length);
uncompressed = strategy.uncompressByteArray(compressed);
assertTrue(uncompressed.length == tempLarge.getBytes().length);
assertEquals(tempLarge, new String(uncompressed));
}
public void testUncompressNullBytes() throws Exception {
CompressionStrategy strategy = CompressionHelper.getDefaultCompressionStrategy();
assertNull(strategy.uncompressByteArray(null));
}
public void testEmptyIsCompressed() throws Exception {
CompressionStrategy strategy = CompressionHelper.getDefaultCompressionStrategy();
assertFalse(strategy.isCompressed(new byte[0]));
}
public void testNullIsCompressed() throws Exception {
CompressionStrategy strategy = CompressionHelper.getDefaultCompressionStrategy();
assertFalse(strategy.isCompressed(null));
}