pgpainless/pgpainless-core/src/test/java/org/pgpainless/util/TestUtils.java

65 lines
2.1 KiB
Java

/*
* Copyright 2020 Paul Schaub.
*
* Licensed 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.pgpainless.util;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.util.Iterator;
import java.util.Random;
import org.bouncycastle.bcpg.BCPGInputStream;
import org.bouncycastle.bcpg.MarkerPacket;
public class TestUtils {
public static final String ALPHABET = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
private static final Random RANDOM = new Random();
public static int getNumberOfItemsInIterator(Iterator<?> iterator) {
int num = 0;
while (iterator.hasNext()) {
iterator.next();
num++;
}
return num;
}
public static File createTempDirectory() throws IOException {
String name = randomString(10);
File dir = Files.createTempDirectory(name).toFile();
dir.deleteOnExit();
return dir;
}
private static String randomString(int length) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < length; i++) {
sb.append(ALPHABET.charAt(RANDOM.nextInt(ALPHABET.length())));
}
return sb.toString();
}
public static MarkerPacket getMarkerPacket() throws IOException {
BCPGInputStream pgpIn = new BCPGInputStream(new ByteArrayInputStream("PGP".getBytes(StandardCharsets.UTF_8)));
MarkerPacket markerPacket = new MarkerPacket(pgpIn);
pgpIn.close();
return markerPacket;
}
}