Added some unit tests

src/test/java/com/rarchives/ripme/tst/UtilsTest.java

@@ -0,0 +1,34 @@
+package com.rarchives.ripme.tst;
+
+import junit.framework.TestCase;
+import com.rarchives.ripme.utils.Utils;
+
+public class UtilsTest extends TestCase {
+
+    public void testGetEXTFromMagic() {
+        assertEquals("jpeg", Utils.getEXTFromMagic(new byte[]{-1, -40, -1, -37, 0, 0, 0, 0}));
+    }
+
+    public void testStripURLParameter() {
+        assertEquals("http://example.tld/image.ext",
+                Utils.stripURLParameter("http://example.tld/image.ext?param", "param"));
+    }
+
+    public void testShortenPath() {
+        String path = "/test/test/test/test/test/test/test/test/";
+        assertEquals("/test/test1", Utils.shortenPath("/test/test1"));
+        assertEquals("/test/test/t...st/test/test", Utils.shortenPath(path));
+    }
+
+    public void testBytesToHumanReadable() {
+        assertEquals("10.00iB", Utils.bytesToHumanReadable(10));
+        assertEquals("1.00KiB", Utils.bytesToHumanReadable(1024));
+        assertEquals("1.00MiB", Utils.bytesToHumanReadable(1024 * 1024));
+        assertEquals("1.00GiB", Utils.bytesToHumanReadable(1024 * 1024 * 1024));
+    }
+
+    public void testGetListOfAlbumRippers() throws Exception{
+        assert(!Utils.getListOfAlbumRippers().isEmpty());
+    }
+
+}