387 lines
12 KiB
C++
387 lines
12 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2021 Cppcheck team.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "testsuite.h"
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#include "color.h"
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#include "options.h"
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#include "redirect.h"
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#include <cstdio>
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#include <cctype>
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#include <iostream>
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#include <string>
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std::ostringstream errout;
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std::ostringstream output;
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/**
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* TestRegistry
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**/
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namespace {
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struct CompareFixtures {
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bool operator()(const TestFixture* lhs, const TestFixture* rhs) const {
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return lhs->classname < rhs->classname;
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}
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};
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}
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using TestSet = std::set<TestFixture*, CompareFixtures>;
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class TestRegistry {
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TestSet _tests;
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public:
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static TestRegistry &theInstance() {
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static TestRegistry testreg;
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return testreg;
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}
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void addTest(TestFixture *t) {
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_tests.insert(t);
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}
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const TestSet &tests() const {
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return _tests;
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}
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};
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/**
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* TestFixture
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**/
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std::ostringstream TestFixture::errmsg;
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unsigned int TestFixture::countTests;
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std::size_t TestFixture::fails_counter = 0;
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std::size_t TestFixture::todos_counter = 0;
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std::size_t TestFixture::succeeded_todos_counter = 0;
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std::set<std::string> TestFixture::missingLibs;
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TestFixture::TestFixture(const char * const _name)
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: mVerbose(false),
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exename(),
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quiet_tests(false),
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classname(_name)
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{
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TestRegistry::theInstance().addTest(this);
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}
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bool TestFixture::prepareTest(const char testname[])
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{
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mVerbose = false;
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mTemplateFormat.clear();
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mTemplateLocation.clear();
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// Check if tests should be executed
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if (testToRun.empty() || testToRun == testname) {
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// Tests will be executed - prepare them
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mTestname = testname;
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++countTests;
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if (quiet_tests) {
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std::putchar('.'); // Use putchar to write through redirection of std::cout/cerr
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std::fflush(stdout);
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} else {
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std::cout << classname << "::" << testname << std::endl;
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}
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return true;
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}
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return false;
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}
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std::string TestFixture::getLocationStr(const char * const filename, const unsigned int linenr) const
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{
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return std::string(filename) + ':' + std::to_string(linenr) + '(' + classname + "::" + mTestname + ')';
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}
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static std::string writestr(const std::string &str, bool gccStyle = false)
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{
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std::ostringstream ostr;
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if (gccStyle)
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ostr << '\"';
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for (std::string::const_iterator i = str.begin(); i != str.end(); ++i) {
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if (*i == '\n') {
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ostr << "\\n";
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if ((i+1) != str.end() && !gccStyle)
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ostr << std::endl;
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} else if (*i == '\t')
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ostr << "\\t";
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else if (*i == '\"')
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ostr << "\\\"";
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else if (std::isprint(static_cast<unsigned char>(*i)))
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ostr << *i;
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else
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ostr << "\\x" << std::hex << short{*i};
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}
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if (!str.empty() && !gccStyle)
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ostr << std::endl;
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else if (gccStyle)
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ostr << '\"';
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return ostr.str();
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}
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bool TestFixture::assert_(const char * const filename, const unsigned int linenr, const bool condition) const
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{
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if (!condition) {
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++fails_counter;
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errmsg << getLocationStr(filename, linenr) << ": Assertion failed." << std::endl << "_____" << std::endl;
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}
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return condition;
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}
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void TestFixture::assertEqualsFailed(const char* const filename, const unsigned int linenr, const std::string& expected, const std::string& actual, const std::string& msg) const
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{
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++fails_counter;
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errmsg << getLocationStr(filename, linenr) << ": Assertion failed. " << std::endl
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<< "Expected: " << std::endl
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<< writestr(expected) << std::endl
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<< "Actual: " << std::endl
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<< writestr(actual) << std::endl;
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if (!msg.empty())
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errmsg << "Hint:" << std::endl << msg << std::endl;
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errmsg << "_____" << std::endl;
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}
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bool TestFixture::assertEquals(const char * const filename, const unsigned int linenr, const std::string &expected, const std::string &actual, const std::string &msg) const
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{
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if (expected != actual) {
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assertEqualsFailed(filename, linenr, expected, actual, msg);
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}
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return expected == actual;
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}
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std::string TestFixture::deleteLineNumber(const std::string &message)
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{
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std::string result(message);
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// delete line number in "...:NUMBER:..."
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std::string::size_type pos = 0;
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while ((pos = result.find(':', pos)) != std::string::npos) {
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// get number
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if (pos + 1 == result.find_first_of("0123456789", pos + 1)) {
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std::string::size_type after;
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if ((after = result.find_first_not_of("0123456789", pos + 1)) != std::string::npos
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&& result.at(after) == ':') {
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// erase NUMBER
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result.erase(pos + 1, after - pos - 1);
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pos = after;
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} else {
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++pos;
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}
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} else {
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++pos;
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}
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}
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return result;
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}
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void TestFixture::assertEqualsWithoutLineNumbers(const char * const filename, const unsigned int linenr, const std::string &expected, const std::string &actual, const std::string &msg) const
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{
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assertEquals(filename, linenr, deleteLineNumber(expected), deleteLineNumber(actual), msg);
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}
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bool TestFixture::assertEquals(const char * const filename, const unsigned int linenr, const char expected[], const std::string& actual, const std::string &msg) const
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{
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return assertEquals(filename, linenr, std::string(expected), actual, msg);
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}
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bool TestFixture::assertEquals(const char * const filename, const unsigned int linenr, const char expected[], const char actual[], const std::string &msg) const
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{
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return assertEquals(filename, linenr, std::string(expected), std::string(actual), msg);
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}
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bool TestFixture::assertEquals(const char * const filename, const unsigned int linenr, const std::string& expected, const char actual[], const std::string &msg) const
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{
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return assertEquals(filename, linenr, expected, std::string(actual), msg);
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}
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bool TestFixture::assertEquals(const char * const filename, const unsigned int linenr, const long long expected, const long long actual, const std::string &msg) const
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{
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if (expected != actual) {
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std::ostringstream ostr1;
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ostr1 << expected;
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std::ostringstream ostr2;
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ostr2 << actual;
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assertEquals(filename, linenr, ostr1.str(), ostr2.str(), msg);
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}
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return expected == actual;
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}
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void TestFixture::assertEqualsDouble(const char * const filename, const unsigned int linenr, const double expected, const double actual, const double tolerance, const std::string &msg) const
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{
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if (expected < (actual - tolerance) || expected > (actual + tolerance)) {
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std::ostringstream ostr1;
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ostr1 << expected;
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std::ostringstream ostr2;
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ostr2 << actual;
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assertEquals(filename, linenr, ostr1.str(), ostr2.str(), msg);
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}
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}
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void TestFixture::todoAssertEquals(const char * const filename, const unsigned int linenr,
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const std::string &wanted,
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const std::string ¤t,
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const std::string &actual) const
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{
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if (wanted == actual) {
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errmsg << getLocationStr(filename, linenr) << ": Assertion succeeded unexpectedly. "
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<< "Result: " << writestr(wanted, true) << std::endl << "_____" << std::endl;
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++succeeded_todos_counter;
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} else {
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assertEquals(filename, linenr, current, actual);
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++todos_counter;
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}
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}
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void TestFixture::todoAssertEquals(const char* const filename, const unsigned int linenr,
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const char wanted[],
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const char current[],
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const std::string& actual) const
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{
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todoAssertEquals(filename, linenr, std::string(wanted), std::string(current), actual);
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}
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void TestFixture::todoAssertEquals(const char * const filename, const unsigned int linenr, const long long wanted, const long long current, const long long actual) const
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{
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std::ostringstream wantedStr, currentStr, actualStr;
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wantedStr << wanted;
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currentStr << current;
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actualStr << actual;
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todoAssertEquals(filename, linenr, wantedStr.str(), currentStr.str(), actualStr.str());
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}
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void TestFixture::assertThrow(const char * const filename, const unsigned int linenr) const
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{
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++fails_counter;
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errmsg << getLocationStr(filename, linenr) << ": Assertion succeeded. "
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<< "The expected exception was thrown" << std::endl << "_____" << std::endl;
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}
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void TestFixture::assertThrowFail(const char * const filename, const unsigned int linenr) const
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{
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++fails_counter;
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errmsg << getLocationStr(filename, linenr) << ": Assertion failed. "
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<< "The expected exception was not thrown" << std::endl << "_____" << std::endl;
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}
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void TestFixture::assertNoThrowFail(const char * const filename, const unsigned int linenr) const
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{
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++fails_counter;
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errmsg << getLocationStr(filename, linenr) << ": Assertion failed. "
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<< "Unexpected exception was thrown" << std::endl << "_____" << std::endl;
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}
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void TestFixture::complainMissingLib(const char * const libname)
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{
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missingLibs.insert(libname);
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}
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void TestFixture::printHelp()
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{
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std::cout << "Testrunner - run Cppcheck tests\n"
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"\n"
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"Syntax:\n"
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" testrunner [OPTIONS] [TestClass::TestCase...]\n"
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" run all test cases:\n"
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" testrunner\n"
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" run all test cases in TestClass:\n"
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" testrunner TestClass\n"
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" run TestClass::TestCase:\n"
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" testrunner TestClass::TestCase\n"
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" run all test cases in TestClass1 and TestClass2::TestCase:\n"
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" testrunner TestClass1 TestClass2::TestCase\n"
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"\n"
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"Options:\n"
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" -q Do not print the test cases that have run.\n"
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" -h, --help Print this help.\n";
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}
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void TestFixture::run(const std::string &str)
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{
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testToRun = str;
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if (quiet_tests) {
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std::cout << '\n' << classname << ':';
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REDIRECT;
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run();
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} else
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run();
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}
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void TestFixture::processOptions(const options& args)
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{
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quiet_tests = args.quiet();
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exename = args.exe();
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}
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std::size_t TestFixture::runTests(const options& args)
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{
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countTests = 0;
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errmsg.str("");
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for (std::string classname : args.which_test()) {
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std::string testname;
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if (classname.find("::") != std::string::npos) {
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testname = classname.substr(classname.find("::") + 2);
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classname.erase(classname.find("::"));
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}
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for (TestFixture * test : TestRegistry::theInstance().tests()) {
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if (classname.empty() || test->classname == classname) {
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test->processOptions(args);
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test->run(testname);
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}
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}
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}
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std::cout << "\n\nTesting Complete\nNumber of tests: " << countTests << std::endl;
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std::cout << "Number of todos: " << todos_counter;
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if (succeeded_todos_counter > 0)
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std::cout << " (" << succeeded_todos_counter << " succeeded)";
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std::cout << std::endl;
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// calling flush here, to do all output before the error messages (in case the output is buffered)
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std::cout.flush();
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std::cerr << "Tests failed: " << fails_counter << std::endl << std::endl;
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std::cerr << errmsg.str();
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if (!missingLibs.empty()) {
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std::cerr << "Missing libraries: ";
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for (const std::string & missingLib : missingLibs)
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std::cerr << missingLib << " ";
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std::cerr << std::endl << std::endl;
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}
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std::cerr.flush();
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return fails_counter;
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}
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void TestFixture::reportOut(const std::string & outmsg, Color)
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{
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output << outmsg << std::endl;
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}
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void TestFixture::reportErr(const ErrorMessage &msg)
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{
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const std::string errormessage(msg.toString(mVerbose, mTemplateFormat, mTemplateLocation));
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if (errout.str().find(errormessage) == std::string::npos)
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errout << errormessage << std::endl;
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}
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