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testpathmatch.cpp
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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2025 Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "pathmatch.h"
#include "fixture.h"
#include <string>
#include <vector>
class TestPathMatch : public TestFixture {
public:
TestPathMatch() : TestFixture("TestPathMatch") {}
private:
class PathMatchTest final : public PathMatch
{
friend class TestPathMatch;
};
static constexpr auto unix = PathMatch::Syntax::unix;
static constexpr auto windows = PathMatch::Syntax::windows;
static constexpr auto ifreg = PathMatch::Filemode::regular;
static constexpr auto ifdir = PathMatch::Filemode::directory;
#ifdef _WIN32
const std::string basepath{"C:\\test"};
#else
const std::string basepath{"/test"};
#endif
const PathMatch emptyMatcher{{}, basepath};
const PathMatch srcMatcher{{"src/"}, basepath};
const PathMatch fooCppMatcher{{"foo.cpp"}, basepath};
const PathMatch srcFooCppMatcher{{"src/foo.cpp"}, basepath};
void run() override {
TEST_CASE(emptymaskemptyfile);
TEST_CASE(emptymaskpath1);
TEST_CASE(emptymaskpath2);
TEST_CASE(emptymaskpath3);
TEST_CASE(onemaskemptypath);
TEST_CASE(onemasksamepath);
TEST_CASE(onemasksamepathdifferentslash);
TEST_CASE(onemasksamepathdifferentcase);
TEST_CASE(onemasksamepathwithfile);
TEST_CASE(onemaskshorterpath);
TEST_CASE(onemaskdifferentdir1);
TEST_CASE(onemaskdifferentdir2);
TEST_CASE(onemaskdifferentdir3);
TEST_CASE(onemaskdifferentdir4);
TEST_CASE(onemasklongerpath1);
TEST_CASE(onemasklongerpath2);
TEST_CASE(onemasklongerpath3);
TEST_CASE(onemaskcwd);
TEST_CASE(twomasklongerpath1);
TEST_CASE(twomasklongerpath2);
TEST_CASE(twomasklongerpath3);
TEST_CASE(twomasklongerpath4);
TEST_CASE(filemask1);
TEST_CASE(filemaskdifferentcase);
TEST_CASE(filemask2);
TEST_CASE(filemask3);
TEST_CASE(filemaskcwd);
TEST_CASE(filemaskpath1);
TEST_CASE(filemaskpath2);
TEST_CASE(filemaskpath3);
TEST_CASE(filemaskpath4);
TEST_CASE(mixedallmatch);
TEST_CASE(glob1);
TEST_CASE(glob2);
TEST_CASE(globstar1);
TEST_CASE(globstar2);
TEST_CASE(pathiterator);
}
// Test empty PathMatch
void emptymaskemptyfile() const {
ASSERT(!emptyMatcher.match(""));
}
void emptymaskpath1() const {
ASSERT(!emptyMatcher.match("src/", ifdir));
}
void emptymaskpath2() const {
ASSERT(!emptyMatcher.match("../src/", ifdir));
}
void emptymaskpath3() const {
ASSERT(!emptyMatcher.match("/home/user/code/src/", ifdir));
ASSERT(!emptyMatcher.match("d:/home/user/code/src/", ifdir));
}
// Test PathMatch containing "src/"
void onemaskemptypath() const {
ASSERT(!srcMatcher.match(""));
}
void onemasksamepath() const {
ASSERT(srcMatcher.match("src/", ifdir));
ASSERT(!srcMatcher.match("src/", ifreg));
}
void onemasksamepathdifferentslash() const {
PathMatch srcMatcher2({"src\\"}, basepath, windows);
ASSERT(srcMatcher2.match("src/", ifdir));
ASSERT(!srcMatcher2.match("src/", ifreg));
}
void onemasksamepathdifferentcase() const {
PathMatch match({"sRc/"}, basepath, windows);
ASSERT(match.match("srC/", ifdir));
ASSERT(!match.match("srC/", ifreg));
}
void onemasksamepathwithfile() const {
ASSERT(srcMatcher.match("src/file.txt"));
}
void onemaskshorterpath() const {
const std::string longerExclude("longersrc/");
const std::string shorterToMatch("src/");
ASSERT(shorterToMatch.length() < longerExclude.length());
PathMatch match({longerExclude});
ASSERT(match.match(longerExclude, ifdir));
ASSERT(!match.match(shorterToMatch, ifdir));
}
void onemaskdifferentdir1() const {
ASSERT(!srcMatcher.match("srcfiles/file.txt"));
}
void onemaskdifferentdir2() const {
ASSERT(!srcMatcher.match("proj/srcfiles/file.txt"));
}
void onemaskdifferentdir3() const {
ASSERT(!srcMatcher.match("proj/mysrc/file.txt"));
}
void onemaskdifferentdir4() const {
ASSERT(!srcMatcher.match("proj/mysrcfiles/file.txt"));
}
void onemasklongerpath1() const {
ASSERT(srcMatcher.match("/tmp/src/", ifdir));
ASSERT(srcMatcher.match("d:/tmp/src/", ifdir));
}
void onemasklongerpath2() const {
ASSERT(srcMatcher.match("src/module/", ifdir));
}
void onemasklongerpath3() const {
ASSERT(srcMatcher.match("project/src/module/", ifdir));
}
void onemaskcwd() const {
ASSERT(srcMatcher.match("./src", ifdir));
}
void twomasklongerpath1() const {
PathMatch match({ "src/", "module/" });
ASSERT(!match.match("project/", ifdir));
}
void twomasklongerpath2() const {
PathMatch match({ "src/", "module/" });
ASSERT(match.match("project/src/", ifdir));
ASSERT(!match.match("project/src/", ifreg));
}
void twomasklongerpath3() const {
PathMatch match({ "src/", "module/" });
ASSERT(match.match("project/module/", ifdir));
ASSERT(!match.match("project/module/", ifreg));
}
void twomasklongerpath4() const {
PathMatch match({ "src/", "module/" });
ASSERT(match.match("project/src/module/", ifdir));
ASSERT(match.match("project/src/module/", ifreg));
}
// Test PathMatch containing "foo.cpp"
void filemask1() const {
ASSERT(fooCppMatcher.match("foo.cpp"));
}
void filemaskdifferentcase() const {
PathMatch match({"foo.cPp"}, basepath, windows);
ASSERT(match.match("fOo.cpp"));
}
void filemask2() const {
ASSERT(fooCppMatcher.match("../foo.cpp"));
}
void filemask3() const {
ASSERT(fooCppMatcher.match("src/foo.cpp"));
}
void filemaskcwd() const {
ASSERT(fooCppMatcher.match("./lib/foo.cpp"));
}
// Test PathMatch containing "src/foo.cpp"
void filemaskpath1() const {
ASSERT(srcFooCppMatcher.match("src/foo.cpp"));
}
void filemaskpath2() const {
ASSERT(srcFooCppMatcher.match("proj/src/foo.cpp"));
}
void filemaskpath3() const {
ASSERT(!srcFooCppMatcher.match("foo.cpp"));
}
void filemaskpath4() const {
ASSERT(!srcFooCppMatcher.match("bar/foo.cpp"));
}
void mixedallmatch() const { // #13570
// when trying to match a directory against a directory entry it erroneously modified a local variable also used for file matching
PathMatch match({ "tests/", "file.c" });
ASSERT(match.match("tests/", ifdir));
ASSERT(!match.match("tests/", ifreg));
ASSERT(match.match("lib/file.c"));
}
void glob1() const {
PathMatch match({"test?.cpp"});
ASSERT(match.match("test1.cpp"));
ASSERT(match.match("src/test1.cpp"));
ASSERT(match.match("test1.cpp/src"));
ASSERT(!match.match("test1.c"));
ASSERT(!match.match("test.cpp"));
}
void glob2() const {
PathMatch match({"test*.cpp"});
ASSERT(match.match("test1.cpp"));
ASSERT(match.match("src/test1.cpp"));
ASSERT(match.match("test1.cpp/src"));
ASSERT(!match.match("test1.c"));
ASSERT(match.match("test.cpp"));
}
void globstar1() const {
PathMatch match({"src/**/foo.c"});
ASSERT(match.match("src/lib/foo/foo.c"));
ASSERT(match.match("src/lib/foo/bar/foo.c"));
ASSERT(!match.match("src/lib/foo/foo.cpp"));
ASSERT(!match.match("src/lib/foo/bar/foo.cpp"));
ASSERT(!match.match("src/foo.c"));
}
void globstar2() const {
PathMatch match({"./src/**/foo.c"});
ASSERT(match.match("src/lib/foo/foo.c"));
ASSERT(match.match("src/lib/foo/bar/foo.c"));
ASSERT(!match.match("src/lib/foo/foo.cpp"));
ASSERT(!match.match("src/lib/foo/bar/foo.cpp"));
ASSERT(!match.match("src/foo.c"));
}
void pathiterator() const {
/* See https://learn.microsoft.com/en-us/dotnet/standard/io/file-path-formats
* for information on Windows path syntax. */
using PathIterator = PathMatchTest::PathIterator;
ASSERT_EQUALS("/", PathIterator("/", nullptr, unix).read());
ASSERT_EQUALS("/", PathIterator("//", nullptr, unix).read());
ASSERT_EQUALS("/", PathIterator("/", "/", unix).read());
ASSERT_EQUALS("/hello/world", PathIterator("/hello/universe/.", "../world//", unix).read());
ASSERT_EQUALS("/", PathIterator("//./..//.///.", "../../..///", unix).read());
ASSERT_EQUALS("/foo/bar", PathIterator(nullptr, "/foo/bar/.", unix).read());
ASSERT_EQUALS("/foo/bar", PathIterator("/foo/bar/.", nullptr, unix).read());
ASSERT_EQUALS("/foo/bar", PathIterator("/foo", "bar", unix).read());
ASSERT_EQUALS("", PathIterator("", "", unix).read());
ASSERT_EQUALS("", PathIterator("", nullptr, unix).read());
ASSERT_EQUALS("", PathIterator(nullptr, "", unix).read());
ASSERT_EQUALS("", PathIterator(nullptr, nullptr, unix).read());
ASSERT_EQUALS("c:", PathIterator("C:", nullptr, windows).read());
/* C: without slash is a bit ambigous. It should probably not be considered a root because it's
* not fully qualified (it designates the current directory on the C drive),
* so this test could be considered to be unspecified behavior. */
ASSERT_EQUALS("c:", PathIterator("C:", "../..", windows).read());
ASSERT_EQUALS("c:/windows/system32", PathIterator("C:", "Windows\\System32\\Drivers\\..\\.", windows).read());
ASSERT_EQUALS("c:/", PathIterator("C:\\Program Files\\", "..", windows).read());
ASSERT_EQUALS("//./", PathIterator("\\\\.\\C:\\", "../..", windows).read());
ASSERT_EQUALS("//./", PathIterator("\\\\.\\", "..\\..", windows).read());
ASSERT_EQUALS("//?/", PathIterator("\\\\?\\", "..\\..", windows).read());
/* The server and share should actually be considered part of the root and not be removed */
ASSERT_EQUALS("//", PathIterator("\\\\Server\\Share\\Directory", "../..\\../..", windows).read());
}
};
REGISTER_TEST(TestPathMatch)