yang/yang-parser-rfc7950/src/test/java/org/opendaylight/yangtools/yang/parser/rfc7950/repo/ArgumentContextUtilsTest.java

   1 /*
   2  * Copyright (c) 2018 Pantheon Technologies, s.r.o. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.yangtools.yang.parser.rfc7950.repo;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertNotNull;
  12 import static org.opendaylight.yangtools.yang.parser.rfc7950.repo.ArgumentContextUtils.unescapeBackslash;
  13
  14 import java.io.File;
  15 import java.util.Optional;
  16 import org.junit.Test;
  17 import org.opendaylight.yangtools.yang.model.api.Module;
  18 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  19 import org.opendaylight.yangtools.yang.stmt.StmtTestUtils;
  20
  21 public class ArgumentContextUtilsTest {
  22     @Test
  23     public void testUnescapeNew() {
  24         //      a\b -----> a\b  (invalid for 7950)
  25         assertEquals("\\abc", unescape("\\abc", 0));
  26         assertEquals("abc\\", unescape("abc\\", 3));
  27         assertEquals("abc\\def", unescape("abc\\def", 3));
  28         //      a\\b -----> a\b
  29         assertEquals("\\abc", unescape("\\\\abc", 0));
  30         assertEquals("abc\\", unescape("abc\\\\", 3));
  31         assertEquals("abc\\def", unescape("abc\\\\def", 3));
  32         //      a\\\b -----> a\\b (invalid for 7950)
  33         assertEquals("\\\\abc", unescape("\\\\\\abc", 0));
  34         assertEquals("abc\\\\", unescape("abc\\\\\\", 3));
  35         assertEquals("abc\\\\def", unescape("abc\\\\\\def", 3));
  36         //      a"b -----> a"b (not passible)
  37         assertEquals("\"abc", unescape("\"abc", 0));
  38         assertEquals("abc\"", unescape("abc\"", 3));
  39         assertEquals("abc\"def", unescape("abc\"def", 3));
  40         //      a\"b -----> a"b
  41         assertEquals("\"abc", unescape("\\\"abc", 0));
  42         assertEquals("abc\"", unescape("abc\\\"", 3));
  43         assertEquals("abc\"def", unescape("abc\\\"def", 3));
  44         //      a\\"b -----> a\"b (not passible)
  45         assertEquals("\\\"abc", unescape("\\\\\"abc", 0));
  46         assertEquals("abc\\\"", unescape("abc\\\\\"", 3));
  47         assertEquals("abc\\\"def", unescape("abc\\\\\"def", 3));
  48         //      a\\\"b -----> a\"b
  49         assertEquals("\\\"abc", unescape("\\\\\\\"abc", 0));
  50         assertEquals("abc\\\"", unescape("abc\\\\\\\"", 3));
  51         assertEquals("abc\\\"def", unescape("abc\\\\\\\"def", 3));
  52         //      a\tb -----> a   b
  53         assertEquals("\tabc", unescape("\\tabc", 0));
  54         assertEquals("abc\t", unescape("abc\\t", 3));
  55         assertEquals("abc\tdef", unescape("abc\\tdef", 3));
  56         //      a\\tb -----> a\tb
  57         assertEquals("\\tabc", unescape("\\\\tabc", 0));
  58         assertEquals("abc\\t", unescape("abc\\\\t", 3));
  59         assertEquals("abc\\tdef", unescape("abc\\\\tdef", 3));
  60         //      a\\\tb -----> a\    b
  61         assertEquals("\\\tabc", unescape("\\\\\\tabc", 0));
  62         assertEquals("abc\\\t", unescape("abc\\\\\\t", 3));
  63         assertEquals("abc\\\tdef", unescape("abc\\\\\\tdef", 3));
  64         //      a\nb -----> a
  65         //                  b
  66         assertEquals("\nabc", unescape("\\nabc", 0));
  67         assertEquals("abc\n", unescape("abc\\n", 3));
  68         assertEquals("abc\ndef", unescape("abc\\ndef", 3));
  69         //      a\\nb -----> a\nb
  70         assertEquals("\\nabc", unescape("\\\\nabc", 0));
  71         assertEquals("abc\\n", unescape("abc\\\\n", 3));
  72         assertEquals("abc\\ndef", unescape("abc\\\\ndef", 3));
  73         //      a\\\nb -----> a\
  74         //                    b
  75         assertEquals("\\\nabc", unescape("\\\\\\nabc", 0));
  76         assertEquals("abc\\\n", unescape("abc\\\\\\n", 3));
  77         assertEquals("abc\\\ndef", unescape("abc\\\\\\ndef", 3));
  78
  79         assertEquals("\\\nabc abc\\n\nabc abc\t", unescape("\\\\\\nabc abc\\\\n\\nabc abc\\t", 0));
  80     }
  81
  82     @Test
  83     public void stringTestUnescape() throws Exception {
  84         final SchemaContext schemaContext = StmtTestUtils.parseYangSources(new File(getClass()
  85                 .getResource("/unescape/string-test.yang").toURI()));
  86         assertNotNull(schemaContext);
  87         assertEquals(1, schemaContext.getModules().size());
  88         final Module module = schemaContext.getModules().iterator().next();
  89         assertEquals(Optional.of("  Unescaping examples: \\,\n,\t  \"string enclosed in double quotes\" end\n"
  90                 + "abc \\\\\\ \\t \\\nnn"), module.getDescription());
  91     }
  92
  93     private static String unescape(final String str, final int backslash) {
  94         StringBuilder sb = new StringBuilder(str.length());
  95         unescapeBackslash(sb, str, backslash);
  96         return sb.toString();
  97     }
  98 }