1 // Copyright 2014 The Kyua Authors. 2 // All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions are 6 // met: 7 // 8 // * Redistributions of source code must retain the above copyright 9 // notice, this list of conditions and the following disclaimer. 10 // * Redistributions in binary form must reproduce the above copyright 11 // notice, this list of conditions and the following disclaimer in the 12 // documentation and/or other materials provided with the distribution. 13 // * Neither the name of Google Inc. nor the names of its contributors 14 // may be used to endorse or promote products derived from this software 15 // without specific prior written permission. 16 // 17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29 #include "utils/text/regex.hpp" 30 31 #include <atf-c++.hpp> 32 33 #include "utils/text/exceptions.hpp" 34 35 namespace text = utils::text; 36 37 38 ATF_TEST_CASE_WITHOUT_HEAD(integration__no_matches); 39 ATF_TEST_CASE_BODY(integration__no_matches) 40 { 41 const text::regex_matches matches = text::match_regex( 42 "foo.*bar", "this is a string without the searched text", 0); 43 ATF_REQUIRE(!matches); 44 ATF_REQUIRE_EQ(0, matches.count()); 45 } 46 47 48 ATF_TEST_CASE_WITHOUT_HEAD(integration__no_capture_groups); 49 ATF_TEST_CASE_BODY(integration__no_capture_groups) 50 { 51 const text::regex_matches matches = text::match_regex( 52 "foo.*bar", "this is a string with foo and bar embedded in it", 0); 53 ATF_REQUIRE(matches); 54 ATF_REQUIRE_EQ(1, matches.count()); 55 ATF_REQUIRE_EQ("foo and bar", matches.get(0)); 56 } 57 58 59 ATF_TEST_CASE_WITHOUT_HEAD(integration__one_capture_group); 60 ATF_TEST_CASE_BODY(integration__one_capture_group) 61 { 62 const text::regex_matches matches = text::match_regex( 63 "^([^ ]*) ", "the string", 1); 64 ATF_REQUIRE(matches); 65 ATF_REQUIRE_EQ(2, matches.count()); 66 ATF_REQUIRE_EQ("the ", matches.get(0)); 67 ATF_REQUIRE_EQ("the", matches.get(1)); 68 } 69 70 71 ATF_TEST_CASE_WITHOUT_HEAD(integration__many_capture_groups); 72 ATF_TEST_CASE_BODY(integration__many_capture_groups) 73 { 74 const text::regex_matches matches = text::match_regex( 75 "is ([^ ]*) ([a-z]*) to", "this is another string to parse", 2); 76 ATF_REQUIRE(matches); 77 ATF_REQUIRE_EQ(3, matches.count()); 78 ATF_REQUIRE_EQ("is another string to", matches.get(0)); 79 ATF_REQUIRE_EQ("another", matches.get(1)); 80 ATF_REQUIRE_EQ("string", matches.get(2)); 81 } 82 83 84 ATF_TEST_CASE_WITHOUT_HEAD(integration__capture_groups_underspecified); 85 ATF_TEST_CASE_BODY(integration__capture_groups_underspecified) 86 { 87 const text::regex_matches matches = text::match_regex( 88 "is ([^ ]*) ([a-z]*) to", "this is another string to parse", 1); 89 ATF_REQUIRE(matches); 90 ATF_REQUIRE_EQ(2, matches.count()); 91 ATF_REQUIRE_EQ("is another string to", matches.get(0)); 92 ATF_REQUIRE_EQ("another", matches.get(1)); 93 } 94 95 96 ATF_TEST_CASE_WITHOUT_HEAD(integration__capture_groups_overspecified); 97 ATF_TEST_CASE_BODY(integration__capture_groups_overspecified) 98 { 99 const text::regex_matches matches = text::match_regex( 100 "is ([^ ]*) ([a-z]*) to", "this is another string to parse", 10); 101 ATF_REQUIRE(matches); 102 ATF_REQUIRE_EQ(3, matches.count()); 103 ATF_REQUIRE_EQ("is another string to", matches.get(0)); 104 ATF_REQUIRE_EQ("another", matches.get(1)); 105 ATF_REQUIRE_EQ("string", matches.get(2)); 106 } 107 108 109 ATF_TEST_CASE_WITHOUT_HEAD(integration__reuse_regex_in_multiple_matches); 110 ATF_TEST_CASE_BODY(integration__reuse_regex_in_multiple_matches) 111 { 112 const text::regex regex = text::regex::compile("number is ([0-9]+)", 1); 113 114 { 115 const text::regex_matches matches = regex.match("my number is 581."); 116 ATF_REQUIRE(matches); 117 ATF_REQUIRE_EQ(2, matches.count()); 118 ATF_REQUIRE_EQ("number is 581", matches.get(0)); 119 ATF_REQUIRE_EQ("581", matches.get(1)); 120 } 121 122 { 123 const text::regex_matches matches = regex.match("your number is 6"); 124 ATF_REQUIRE(matches); 125 ATF_REQUIRE_EQ(2, matches.count()); 126 ATF_REQUIRE_EQ("number is 6", matches.get(0)); 127 ATF_REQUIRE_EQ("6", matches.get(1)); 128 } 129 } 130 131 132 ATF_TEST_CASE_WITHOUT_HEAD(integration__ignore_case); 133 ATF_TEST_CASE_BODY(integration__ignore_case) 134 { 135 const text::regex regex1 = text::regex::compile("foo", 0, false); 136 ATF_REQUIRE(!regex1.match("bar Foo bar")); 137 ATF_REQUIRE(!regex1.match("bar foO bar")); 138 ATF_REQUIRE(!regex1.match("bar FOO bar")); 139 140 ATF_REQUIRE(!text::match_regex("foo", "bar Foo bar", 0, false)); 141 ATF_REQUIRE(!text::match_regex("foo", "bar foO bar", 0, false)); 142 ATF_REQUIRE(!text::match_regex("foo", "bar FOO bar", 0, false)); 143 144 const text::regex regex2 = text::regex::compile("foo", 0, true); 145 ATF_REQUIRE( regex2.match("bar foo bar")); 146 ATF_REQUIRE( regex2.match("bar Foo bar")); 147 ATF_REQUIRE( regex2.match("bar foO bar")); 148 ATF_REQUIRE( regex2.match("bar FOO bar")); 149 150 ATF_REQUIRE( text::match_regex("foo", "bar foo bar", 0, true)); 151 ATF_REQUIRE( text::match_regex("foo", "bar Foo bar", 0, true)); 152 ATF_REQUIRE( text::match_regex("foo", "bar foO bar", 0, true)); 153 ATF_REQUIRE( text::match_regex("foo", "bar FOO bar", 0, true)); 154 } 155 156 ATF_TEST_CASE_WITHOUT_HEAD(integration__invalid_regex); 157 ATF_TEST_CASE_BODY(integration__invalid_regex) 158 { 159 ATF_REQUIRE_THROW(text::regex_error, 160 text::regex::compile("this is (unbalanced", 0)); 161 } 162 163 164 ATF_INIT_TEST_CASES(tcs) 165 { 166 // regex and regex_matches are so coupled that it makes no sense to test 167 // them independently. Just validate their integration. 168 ATF_ADD_TEST_CASE(tcs, integration__no_matches); 169 ATF_ADD_TEST_CASE(tcs, integration__no_capture_groups); 170 ATF_ADD_TEST_CASE(tcs, integration__one_capture_group); 171 ATF_ADD_TEST_CASE(tcs, integration__many_capture_groups); 172 ATF_ADD_TEST_CASE(tcs, integration__capture_groups_underspecified); 173 ATF_ADD_TEST_CASE(tcs, integration__capture_groups_overspecified); 174 ATF_ADD_TEST_CASE(tcs, integration__reuse_regex_in_multiple_matches); 175 ATF_ADD_TEST_CASE(tcs, integration__ignore_case); 176 ATF_ADD_TEST_CASE(tcs, integration__invalid_regex); 177 } 178