| /* |
| * 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.brooklyn.util.text; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| |
| public class IdentifiersTest { |
| |
| private static final Logger log = LoggerFactory.getLogger(IdentifiersTest.class); |
| |
| @Test |
| public void testRandomId() { |
| String id1 = Identifiers.makeRandomId(4); |
| Assert.assertEquals(id1.length(), 4); |
| String id2 = Identifiers.makeRandomId(4); |
| Assert.assertNotEquals(id1, id2); |
| } |
| |
| //The test is disabled since it takes a while to finish |
| //and there is still the possibility that it could fail. |
| @Test(enabled = false) |
| public void testRandomIdRandomness() { |
| int collisionTestCnt = 100000; |
| int sampleSize = 2000; |
| |
| int duplicateTests = 0; |
| for(int testIdx = 0; testIdx < collisionTestCnt; testIdx++) { |
| Set<String> randomIds = new HashSet<String>(); |
| for (int sampleCnt = 0; sampleCnt < sampleSize; sampleCnt++) { |
| if(!randomIds.add(Identifiers.makeRandomId(4))) { |
| duplicateTests++; |
| break; |
| } |
| } |
| } |
| double probability = ((double)duplicateTests)*100/collisionTestCnt; |
| log.info("testRandomIdRandomness probability = " + probability); |
| Assert.assertEquals(probability, 15, 0.5d, "Expected probability of collision with id of length 4 and 2000 samples is 15%."); |
| } |
| |
| @Test |
| public void testFromHash() { |
| String id1 = Identifiers.makeIdFromHash("Hello".hashCode()); |
| Assert.assertTrue(!Strings.isBlank(id1)); |
| |
| String id2 = Identifiers.makeIdFromHash("hello".hashCode()); |
| String id3 = Identifiers.makeIdFromHash("hello".hashCode()); |
| Assert.assertEquals(id2, id3); |
| Assert.assertNotEquals(id1, id2); |
| |
| Assert.assertEquals(Identifiers.makeIdFromHash(0), "A"); |
| |
| String idLong = Identifiers.makeIdFromHash(Long.MAX_VALUE); |
| log.info("ID's made from hash, of 'hello' is "+id1+" and of Long.MAX_VALUE is "+idLong); |
| Assert.assertTrue(idLong.length() > id1.length()); |
| } |
| |
| @Test |
| public void testFromNegativeHash() { |
| String id1 = Identifiers.makeIdFromHash(-1); |
| Assert.assertTrue(!Strings.isBlank(id1)); |
| log.info("ID's made from hash, of -1 is "+id1+" and of Long.MIN_VALUE is "+Identifiers.makeIdFromHash(Long.MIN_VALUE)); |
| } |
| |
| @Test |
| public void testJavaClassRegex() { |
| Assert.assertTrue("foo".matches(Identifiers.JAVA_GOOD_SEGMENT_REGEX)); |
| Assert.assertFalse("foo.bar.Baz".matches(Identifiers.JAVA_GOOD_SEGMENT_REGEX)); |
| |
| Assert.assertTrue("foo".matches(Identifiers.JAVA_GOOD_PACKAGE_OR_CLASS_REGEX)); |
| Assert.assertTrue("foo.bar.Baz".matches(Identifiers.JAVA_GOOD_PACKAGE_OR_CLASS_REGEX)); |
| Assert.assertFalse("foo.bar.Baz$1".matches(Identifiers.JAVA_GOOD_PACKAGE_OR_CLASS_REGEX)); |
| |
| Assert.assertTrue("foo".matches(Identifiers.JAVA_GOOD_BINARY_REGEX)); |
| Assert.assertTrue("foo.bar.Baz$1".matches(Identifiers.JAVA_GOOD_BINARY_REGEX)); |
| } |
| |
| @Test |
| public void testPassword() { |
| String upper = "ABC"; |
| String numbers = "123"; |
| String symbols = "!£$"; |
| String password = Identifiers.makeRandomPassword(4, upper, numbers, symbols, Identifiers.PASSWORD_VALID_CHARS); |
| |
| Assert.assertTrue(password.matches(".*[" + upper + "].*")); |
| Assert.assertTrue(password.matches(".*[" + numbers + "].*")); |
| Assert.assertTrue(password.matches(".*[" + symbols + "].*")); |
| } |
| |
| @Test |
| public void testCharMerge() { |
| String characters = Identifiers.mergeCharacterSets("abc", "bcd", "ghjj"); |
| Assert.assertEquals(characters.indexOf('b'), characters.lastIndexOf('b')); |
| } |
| |
| } |