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cmCTest: Factor out environment variable handling

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This commit is contained in:
Tyler Yankee
2026-09-16 09:05:19 -04:00
parent 4e81913645
commit 81b46d87ba
2 changed files with 51 additions and 35 deletions
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Source/cmCTest.cxx
+44 -35
View File
@@ -369,6 +369,48 @@ void cmCTest::SetParallelLevel(cm::optional<size_t> level)
this->Impl->ParallelLevel = level;
}
bool cmCTest::UpdateStateFromEnvironment()
{
// handle CTEST_PARALLEL_LEVEL environment variable
if (!this->Impl->ParallelLevelSetInCli) {
if (cm::optional<std::string> parallelEnv =
cmSystemTools::GetEnvVar("CTEST_PARALLEL_LEVEL")) {
if (parallelEnv->empty() ||
parallelEnv->find_first_not_of(" \t") == std::string::npos) {
// An empty value tells ctest to choose a default.
this->SetParallelLevel(cm::nullopt);
} else {
// A non-empty value must be a non-negative integer.
// Otherwise, ignore it.
unsigned long plevel = 0;
if (cmStrToULong(*parallelEnv, &plevel)) {
this->SetParallelLevel(plevel);
}
}
}
}
// handle CTEST_NO_TESTS_ACTION environment variable
if (!this->Impl->NoTestsModeSetInCli) {
std::string action;
if (cmSystemTools::GetEnv("CTEST_NO_TESTS_ACTION", action) &&
!action.empty()) {
if (action == "error"_s) {
this->Impl->NoTestsMode = cmCTest::NoTests::Error;
} else if (action == "ignore"_s) {
this->Impl->NoTestsMode = cmCTest::NoTests::Ignore;
} else {
cmCTestLog(this, ERROR_MESSAGE,
"Unknown value for CTEST_NO_TESTS_ACTION: '" << action
<< '\'');
return false;
}
}
}
return true;
}
unsigned long cmCTest::GetTestLoad() const
{
return this->Impl->TestLoad;
@@ -2596,41 +2638,8 @@ int cmCTest::Run(std::vector<std::string> const& args)
}
}
// handle CTEST_PARALLEL_LEVEL environment variable
if (!this->Impl->ParallelLevelSetInCli) {
if (cm::optional<std::string> parallelEnv =
cmSystemTools::GetEnvVar("CTEST_PARALLEL_LEVEL")) {
if (parallelEnv->empty() ||
parallelEnv->find_first_not_of(" \t") == std::string::npos) {
// An empty value tells ctest to choose a default.
this->SetParallelLevel(cm::nullopt);
} else {
// A non-empty value must be a non-negative integer.
// Otherwise, ignore it.
unsigned long plevel = 0;
if (cmStrToULong(*parallelEnv, &plevel)) {
this->SetParallelLevel(plevel);
}
}
}
}
// handle CTEST_NO_TESTS_ACTION environment variable
if (!this->Impl->NoTestsModeSetInCli) {
std::string action;
if (cmSystemTools::GetEnv("CTEST_NO_TESTS_ACTION", action) &&
!action.empty()) {
if (action == "error"_s) {
this->Impl->NoTestsMode = cmCTest::NoTests::Error;
} else if (action == "ignore"_s) {
this->Impl->NoTestsMode = cmCTest::NoTests::Ignore;
} else {
cmCTestLog(this, ERROR_MESSAGE,
"Unknown value for CTEST_NO_TESTS_ACTION: '" << action
<< '\'');
return 1;
}
}
if (!this->UpdateStateFromEnvironment()) {
return 1;
}
// Passthrough arguments (after --) are only supported in direct test
Source/cmCTest.h
+7
View File
@@ -101,6 +101,13 @@ public:
cm::optional<size_t> GetParallelLevel() const;
void SetParallelLevel(cm::optional<size_t> level);
/**
* Check environment variables controlling CTest's behavior and update state
* accordingly, when the corresponding command-line toggles are unset.
* Returns false if there are errors during parsing.
*/
bool UpdateStateFromEnvironment();
unsigned long GetTestLoad() const;
void SetTestLoad(unsigned long);