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-rw-r--r--utils/text/regex_test.cpp177
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diff --git a/utils/text/regex_test.cpp b/utils/text/regex_test.cpp
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+// Copyright 2014 The Kyua Authors.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+// * Neither the name of Google Inc. nor the names of its contributors
+// may be used to endorse or promote products derived from this software
+// without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "utils/text/regex.hpp"
+
+#include <atf-c++.hpp>
+
+#include "utils/text/exceptions.hpp"
+
+namespace text = utils::text;
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(integration__no_matches);
+ATF_TEST_CASE_BODY(integration__no_matches)
+{
+ const text::regex_matches matches = text::match_regex(
+ "foo.*bar", "this is a string without the searched text", 0);
+ ATF_REQUIRE(!matches);
+ ATF_REQUIRE_EQ(0, matches.count());
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(integration__no_capture_groups);
+ATF_TEST_CASE_BODY(integration__no_capture_groups)
+{
+ const text::regex_matches matches = text::match_regex(
+ "foo.*bar", "this is a string with foo and bar embedded in it", 0);
+ ATF_REQUIRE(matches);
+ ATF_REQUIRE_EQ(1, matches.count());
+ ATF_REQUIRE_EQ("foo and bar", matches.get(0));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(integration__one_capture_group);
+ATF_TEST_CASE_BODY(integration__one_capture_group)
+{
+ const text::regex_matches matches = text::match_regex(
+ "^([^ ]*) ", "the string", 1);
+ ATF_REQUIRE(matches);
+ ATF_REQUIRE_EQ(2, matches.count());
+ ATF_REQUIRE_EQ("the ", matches.get(0));
+ ATF_REQUIRE_EQ("the", matches.get(1));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(integration__many_capture_groups);
+ATF_TEST_CASE_BODY(integration__many_capture_groups)
+{
+ const text::regex_matches matches = text::match_regex(
+ "is ([^ ]*) ([a-z]*) to", "this is another string to parse", 2);
+ ATF_REQUIRE(matches);
+ ATF_REQUIRE_EQ(3, matches.count());
+ ATF_REQUIRE_EQ("is another string to", matches.get(0));
+ ATF_REQUIRE_EQ("another", matches.get(1));
+ ATF_REQUIRE_EQ("string", matches.get(2));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(integration__capture_groups_underspecified);
+ATF_TEST_CASE_BODY(integration__capture_groups_underspecified)
+{
+ const text::regex_matches matches = text::match_regex(
+ "is ([^ ]*) ([a-z]*) to", "this is another string to parse", 1);
+ ATF_REQUIRE(matches);
+ ATF_REQUIRE_EQ(2, matches.count());
+ ATF_REQUIRE_EQ("is another string to", matches.get(0));
+ ATF_REQUIRE_EQ("another", matches.get(1));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(integration__capture_groups_overspecified);
+ATF_TEST_CASE_BODY(integration__capture_groups_overspecified)
+{
+ const text::regex_matches matches = text::match_regex(
+ "is ([^ ]*) ([a-z]*) to", "this is another string to parse", 10);
+ ATF_REQUIRE(matches);
+ ATF_REQUIRE_EQ(3, matches.count());
+ ATF_REQUIRE_EQ("is another string to", matches.get(0));
+ ATF_REQUIRE_EQ("another", matches.get(1));
+ ATF_REQUIRE_EQ("string", matches.get(2));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(integration__reuse_regex_in_multiple_matches);
+ATF_TEST_CASE_BODY(integration__reuse_regex_in_multiple_matches)
+{
+ const text::regex regex = text::regex::compile("number is ([0-9]+)", 1);
+
+ {
+ const text::regex_matches matches = regex.match("my number is 581.");
+ ATF_REQUIRE(matches);
+ ATF_REQUIRE_EQ(2, matches.count());
+ ATF_REQUIRE_EQ("number is 581", matches.get(0));
+ ATF_REQUIRE_EQ("581", matches.get(1));
+ }
+
+ {
+ const text::regex_matches matches = regex.match("your number is 6");
+ ATF_REQUIRE(matches);
+ ATF_REQUIRE_EQ(2, matches.count());
+ ATF_REQUIRE_EQ("number is 6", matches.get(0));
+ ATF_REQUIRE_EQ("6", matches.get(1));
+ }
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(integration__ignore_case);
+ATF_TEST_CASE_BODY(integration__ignore_case)
+{
+ const text::regex regex1 = text::regex::compile("foo", 0, false);
+ ATF_REQUIRE(!regex1.match("bar Foo bar"));
+ ATF_REQUIRE(!regex1.match("bar foO bar"));
+ ATF_REQUIRE(!regex1.match("bar FOO bar"));
+
+ ATF_REQUIRE(!text::match_regex("foo", "bar Foo bar", 0, false));
+ ATF_REQUIRE(!text::match_regex("foo", "bar foO bar", 0, false));
+ ATF_REQUIRE(!text::match_regex("foo", "bar FOO bar", 0, false));
+
+ const text::regex regex2 = text::regex::compile("foo", 0, true);
+ ATF_REQUIRE( regex2.match("bar foo bar"));
+ ATF_REQUIRE( regex2.match("bar Foo bar"));
+ ATF_REQUIRE( regex2.match("bar foO bar"));
+ ATF_REQUIRE( regex2.match("bar FOO bar"));
+
+ ATF_REQUIRE( text::match_regex("foo", "bar foo bar", 0, true));
+ ATF_REQUIRE( text::match_regex("foo", "bar Foo bar", 0, true));
+ ATF_REQUIRE( text::match_regex("foo", "bar foO bar", 0, true));
+ ATF_REQUIRE( text::match_regex("foo", "bar FOO bar", 0, true));
+}
+
+ATF_TEST_CASE_WITHOUT_HEAD(integration__invalid_regex);
+ATF_TEST_CASE_BODY(integration__invalid_regex)
+{
+ ATF_REQUIRE_THROW(text::regex_error,
+ text::regex::compile("this is (unbalanced", 0));
+}
+
+
+ATF_INIT_TEST_CASES(tcs)
+{
+ // regex and regex_matches are so coupled that it makes no sense to test
+ // them independently. Just validate their integration.
+ ATF_ADD_TEST_CASE(tcs, integration__no_matches);
+ ATF_ADD_TEST_CASE(tcs, integration__no_capture_groups);
+ ATF_ADD_TEST_CASE(tcs, integration__one_capture_group);
+ ATF_ADD_TEST_CASE(tcs, integration__many_capture_groups);
+ ATF_ADD_TEST_CASE(tcs, integration__capture_groups_underspecified);
+ ATF_ADD_TEST_CASE(tcs, integration__capture_groups_overspecified);
+ ATF_ADD_TEST_CASE(tcs, integration__reuse_regex_in_multiple_matches);
+ ATF_ADD_TEST_CASE(tcs, integration__ignore_case);
+ ATF_ADD_TEST_CASE(tcs, integration__invalid_regex);
+}