ctest: Exit with failure when tests-from-file input is missing

If the options added by

* commit 022f20f663 (ctest: add command line option to run the tests listed
                     in a given file, 2023-11-29, v3.29.0-rc1~66^2~2)
* commit dbacc1d5a8 (ctest: add command line option to exclude tests listed
                     in a given file, 2023-11-30, v3.29.0-rc1~66^2~1)
* commit 701029726f (ctest_test: add options INCLUDE_FROM_FILE and
                     EXCLUDE_FROM_FILE, 2023-12-03, v3.29.0-rc1~66^2)

are given a missing file, fail instead of ignoring it.

Fixes: #25740

2 files changed, 14 insertions, 10 deletions

diff --git a/Source/CTest/cmCTestTestHandler.cxx b/Source/CTest/cmCTestTestHandler.cxx
index dc16f66..ebb5073 100644
--- a/Source/CTest/cmCTestTestHandler.cxx
+++ b/Source/CTest/cmCTestTestHandler.cxx
@@ -1845,11 +1845,15 @@ bool cmCTestTestHandler::GetListOfTests()
   }
 
   if (!this->TestListFile.empty()) {
-    this->TestsToRunByName = this->ReadTestListFile(this->TestListFile);
+    if (!this->ReadTestListFile(this->TestListFile, this->TestsToRunByName)) {
+      return false;
+    }
   }
   if (!this->ExcludeTestListFile.empty()) {
-    this->TestsToExcludeByName =
-      this->ReadTestListFile(this->ExcludeTestListFile);
+    if (!this->ReadTestListFile(this->ExcludeTestListFile,
+                                this->TestsToExcludeByName)) {
+      return false;
+    }
   }
 
   cmCTestOptionalLog(this->CTest, HANDLER_VERBOSE_OUTPUT,
@@ -2020,11 +2024,10 @@ void cmCTestTestHandler::ExpandTestsToRunInformationForRerunFailed()
   }
 }
 
-std::set<std::string> cmCTestTestHandler::ReadTestListFile(
-  const std::string& testListFileName) const
+bool cmCTestTestHandler::ReadTestListFile(
+  std::string const& testListFileName, std::set<std::string>& testNames) const
 {
-  std::set<std::string> testNames;
-
+  testNames.clear();
   cmsys::ifstream ifs(testListFileName.c_str());
   if (ifs) {
     std::string line;
@@ -2043,9 +2046,10 @@ std::set<std::string> cmCTestTestHandler::ReadTestListFile(
                "Problem reading test list file: "
                  << testListFileName
                  << " while generating list of tests to run." << std::endl);
+    return false;
   }
 
-  return testNames;
+  return true;
 }
 
 void cmCTestTestHandler::RecordCustomTestMeasurements(cmXMLWriter& xml,
diff --git a/Source/CTest/cmCTestTestHandler.h b/Source/CTest/cmCTestTestHandler.h
index 84e6098..e9c964b 100644
--- a/Source/CTest/cmCTestTestHandler.h
+++ b/Source/CTest/cmCTestTestHandler.h
@@ -341,8 +341,8 @@ private:
   std::string GetTestStatus(cmCTestTestResult const&);
   void ExpandTestsToRunInformation(size_t numPossibleTests);
   void ExpandTestsToRunInformationForRerunFailed();
-  std::set<std::string> ReadTestListFile(
-    const std::string& testListFileName) const;
+  bool ReadTestListFile(std::string const& testListFileName,
+                        std::set<std::string>& testNames) const;
 
   std::vector<std::string> CustomPreTest;
   std::vector<std::string> CustomPostTest;