001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.commons.fileupload2.core; 018 019import static org.junit.jupiter.api.Assertions.assertEquals; 020import static org.junit.jupiter.api.Assertions.assertFalse; 021import static org.junit.jupiter.api.Assertions.assertThrows; 022import static org.junit.jupiter.api.Assertions.assertTrue; 023 024import java.io.UnsupportedEncodingException; 025 026import org.junit.jupiter.api.Test; 027 028/** 029 * The expected characters are encoded in UTF16, while the actual characters may be encoded in UTF-8/ISO-8859-1 030 * 031 * RFC 5987 recommends to support both UTF-8 and ISO 8859-1. Test values are taken from https://tools.ietf.org/html/rfc5987#section-3.2.2 032 */ 033public final class RFC2231UtilityTestCase { 034 035 private static void assertEncoded(final String expected, final String encoded) throws Exception { 036 assertEquals(expected, RFC2231Utils.decodeText(encoded)); 037 } 038 039 @Test 040 public void testDecodeInvalidEncoding() throws Exception { 041 assertThrows(UnsupportedEncodingException.class, () -> RFC2231Utils.decodeText("abc'en'hello")); 042 } 043 044 @Test 045 public void testDecodeIso88591() throws Exception { 046 assertEncoded("\u00A3 rate", "iso-8859-1'en'%A3%20rate"); // "£ rate" 047 } 048 049 @Test 050 public void testDecodeUtf8() throws Exception { 051 assertEncoded("\u00a3 \u0061\u006e\u0064 \u20ac \u0072\u0061\u0074\u0065\u0073", "UTF-8''%c2%a3%20and%20%e2%82%ac%20rates"); // "£ and € rates" 052 } 053 054 @Test 055 public void testHasEncodedValue() { 056 final var nameWithAsteriskAtEnd = "paramname*"; 057 assertTrue(RFC2231Utils.hasEncodedValue(nameWithAsteriskAtEnd)); 058 059 final var nameWithAsteriskNotAtEnd = "param*name"; 060 assertFalse(RFC2231Utils.hasEncodedValue(nameWithAsteriskNotAtEnd)); 061 062 final var nameWithoutAsterisk = "paramname"; 063 assertFalse(RFC2231Utils.hasEncodedValue(nameWithoutAsterisk)); 064 } 065 066 @Test 067 public void testNoNeedToDecode() throws Exception { 068 assertEncoded("abc", "abc"); 069 } 070 071 @Test 072 public void testStripDelimiter() { 073 final var nameWithAsteriskAtEnd = "paramname*"; 074 assertEquals("paramname", RFC2231Utils.stripDelimiter(nameWithAsteriskAtEnd)); 075 076 final var nameWithAsteriskNotAtEnd = "param*name"; 077 assertEquals("param*name", RFC2231Utils.stripDelimiter(nameWithAsteriskNotAtEnd)); 078 079 final var nameWithTwoAsterisks = "param*name*"; 080 assertEquals("param*name", RFC2231Utils.stripDelimiter(nameWithTwoAsterisks)); 081 082 final var nameWithoutAsterisk = "paramname"; 083 assertEquals("paramname", RFC2231Utils.stripDelimiter(nameWithoutAsterisk)); 084 } 085}