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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmTestGenerator.h"
#include <memory>
#include <ostream>
#include <utility>
#include <vector>
#include "cmGeneratorExpression.h"
#include "cmGeneratorTarget.h"
#include "cmListFileCache.h"
#include "cmLocalGenerator.h"
#include "cmOutputConverter.h"
#include "cmProperty.h"
#include "cmPropertyMap.h"
#include "cmRange.h"
#include "cmStateTypes.h"
#include "cmStringAlgorithms.h"
#include "cmSystemTools.h"
#include "cmTest.h"
cmTestGenerator::cmTestGenerator(
cmTest* test, std::vector<std::string> const& configurations)
: cmScriptGenerator("CTEST_CONFIGURATION_TYPE", configurations)
, Test(test)
{
this->ActionsPerConfig = !test->GetOldStyle();
this->TestGenerated = false;
this->LG = nullptr;
}
cmTestGenerator::~cmTestGenerator() = default;
void cmTestGenerator::Compute(cmLocalGenerator* lg)
{
this->LG = lg;
}
bool cmTestGenerator::TestsForConfig(const std::string& config)
{
return this->GeneratesForConfig(config);
}
cmTest* cmTestGenerator::GetTest() const
{
return this->Test;
}
void cmTestGenerator::GenerateScriptConfigs(std::ostream& os, Indent indent)
{
// Create the tests.
this->cmScriptGenerator::GenerateScriptConfigs(os, indent);
}
void cmTestGenerator::GenerateScriptActions(std::ostream& os, Indent indent)
{
if (this->ActionsPerConfig) {
// This is the per-config generation in a single-configuration
// build generator case. The superclass will call our per-config
// method.
this->cmScriptGenerator::GenerateScriptActions(os, indent);
} else {
// This is an old-style test, so there is only one config.
// assert(this->Test->GetOldStyle());
this->GenerateOldStyle(os, indent);
}
}
void cmTestGenerator::GenerateScriptForConfig(std::ostream& os,
const std::string& config,
Indent indent)
{
this->TestGenerated = true;
// Set up generator expression evaluation context.
cmGeneratorExpression ge(this->Test->GetBacktrace());
// Start the test command.
os << indent << "add_test(" << this->Test->GetName() << " ";
// Evaluate command line arguments
std::vector<std::string> argv =
EvaluateCommandLineArguments(this->Test->GetCommand(), ge, config);
// Expand arguments if COMMAND_EXPAND_LISTS is set
if (this->Test->GetCommandExpandLists()) {
argv = cmExpandedLists(argv.begin(), argv.end());
// Expanding lists on an empty command may have left it empty
if (argv.empty()) {
argv.emplace_back();
}
}
// Check whether the command executable is a target whose name is to
// be translated.
std::string exe = argv[0];
cmGeneratorTarget* target = this->LG->FindGeneratorTargetToUse(exe);
if (target && target->GetType() == cmStateEnums::EXECUTABLE) {
// Use the target file on disk.
exe = target->GetFullPath(config);
// Prepend with the emulator when cross compiling if required.
cmProp emulator = target->GetProperty("CROSSCOMPILING_EMULATOR");
if (emulator != nullptr && !emulator->empty()) {
std::vector<std::string> emulatorWithArgs = cmExpandedList(*emulator);
std::string emulatorExe(emulatorWithArgs[0]);
cmSystemTools::ConvertToUnixSlashes(emulatorExe);
os << cmOutputConverter::EscapeForCMake(emulatorExe) << " ";
for (std::string const& arg : cmMakeRange(emulatorWithArgs).advance(1)) {
os << cmOutputConverter::EscapeForCMake(arg) << " ";
}
}
} else {
// Use the command name given.
cmSystemTools::ConvertToUnixSlashes(exe);
}
// Generate the command line with full escapes.
os << cmOutputConverter::EscapeForCMake(exe);
for (auto const& arg : cmMakeRange(argv).advance(1)) {
os << " " << cmOutputConverter::EscapeForCMake(arg);
}
// Finish the test command.
os << ")\n";
// Output properties for the test.
os << indent << "set_tests_properties(" << this->Test->GetName()
<< " PROPERTIES ";
for (auto const& i : this->Test->GetProperties().GetList()) {
os << " " << i.first << " "
<< cmOutputConverter::EscapeForCMake(
ge.Parse(i.second)->Evaluate(this->LG, config));
}
this->GenerateInternalProperties(os);
os << ")\n";
}
void cmTestGenerator::GenerateScriptNoConfig(std::ostream& os, Indent indent)
{
os << indent << "add_test(" << this->Test->GetName() << " NOT_AVAILABLE)\n";
}
bool cmTestGenerator::NeedsScriptNoConfig() const
{
return (this->TestGenerated && // test generated for at least one config
this->ActionsPerConfig && // test is config-aware
this->Configurations.empty() && // test runs in all configs
!this->ConfigurationTypes->empty()); // config-dependent command
}
void cmTestGenerator::GenerateOldStyle(std::ostream& fout, Indent indent)
{
this->TestGenerated = true;
// Get the test command line to be executed.
std::vector<std::string> const& command = this->Test->GetCommand();
std::string exe = command[0];
cmSystemTools::ConvertToUnixSlashes(exe);
fout << indent;
fout << "add_test(";
fout << this->Test->GetName() << " \"" << exe << "\"";
for (std::string const& arg : cmMakeRange(command).advance(1)) {
// Just double-quote all arguments so they are re-parsed
// correctly by the test system.
fout << " \"";
for (char c : arg) {
// Escape quotes within arguments. We should escape
// backslashes too but we cannot because it makes the result
// inconsistent with previous behavior of this command.
if (c == '"') {
fout << '\\';
}
fout << c;
}
fout << '"';
}
fout << ")\n";
// Output properties for the test.
fout << indent << "set_tests_properties(" << this->Test->GetName()
<< " PROPERTIES ";
for (auto const& i : this->Test->GetProperties().GetList()) {
fout << " " << i.first << " "
<< cmOutputConverter::EscapeForCMake(i.second);
}
this->GenerateInternalProperties(fout);
fout << ")\n";
}
void cmTestGenerator::GenerateInternalProperties(std::ostream& os)
{
cmListFileBacktrace bt = this->Test->GetBacktrace();
if (bt.Empty()) {
return;
}
os << " "
<< "_BACKTRACE_TRIPLES"
<< " \"";
bool prependTripleSeparator = false;
while (!bt.Empty()) {
const auto& entry = bt.Top();
if (prependTripleSeparator) {
os << ";";
}
os << entry.FilePath << ";" << entry.Line << ";" << entry.Name;
bt = bt.Pop();
prependTripleSeparator = true;
}
os << '"';
}
std::vector<std::string> cmTestGenerator::EvaluateCommandLineArguments(
const std::vector<std::string>& argv, cmGeneratorExpression& ge,
const std::string& config) const
{
// Evaluate executable name and arguments
auto evaluatedRange =
cmMakeRange(argv).transform([&](const std::string& arg) {
return ge.Parse(arg)->Evaluate(this->LG, config);
});
return { evaluatedRange.begin(), evaluatedRange.end() };
}
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