(trafficserver) branch master updated: Use single regex match for regression tests (#12587)

[mochen]

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mochen pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/trafficserver.git


The following commit(s) were added to refs/heads/master by this push:
     new e09e8312a4 Use single regex match for regression tests (#12587)
e09e8312a4 is described below

commit e09e8312a483261bdefa219641529e42ee5dfd24
Author: Mo Chen <moc...@apache.org>
AuthorDate: Mon Oct 20 17:26:15 2025 -0500

    Use single regex match for regression tests (#12587)
    
    This use case requires matching a single regex.  DFA is meant for multiple 
regex matching.
---
 include/tscore/Regression.h |  2 +-
 src/tscore/Regression.cc    | 10 +++++-----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/include/tscore/Regression.h b/include/tscore/Regression.h
index a7350a2484..87e334403f 100644
--- a/include/tscore/Regression.h
+++ b/include/tscore/Regression.h
@@ -76,7 +76,7 @@ struct RegressionTest {
 
   static int             final_status;
   static int             ran_tests;
-  static DFA             dfa;
+  static Regex           regex;
   static RegressionTest *current;
   static int             run(const char *name, int regression_level);
   static void            list();
diff --git a/src/tscore/Regression.cc b/src/tscore/Regression.cc
index 9954dd777e..b3aeb2a877 100644
--- a/src/tscore/Regression.cc
+++ b/src/tscore/Regression.cc
@@ -40,7 +40,7 @@ static RegressionTest *exclusive_test = nullptr;
 
 RegressionTest *RegressionTest::current   = nullptr;
 int             RegressionTest::ran_tests = 0;
-DFA             RegressionTest::dfa;
+Regex           RegressionTest::regex;
 int             RegressionTest::final_status = REGRESSION_TEST_PASSED;
 
 static const char *
@@ -94,15 +94,15 @@ int
 RegressionTest::run(const char *atest, int regression_level)
 {
   if (atest) {
-    dfa.compile(atest);
+    regex.compile(atest);
   } else {
-    dfa.compile(".*");
+    regex.compile(".*");
   }
 
   fprintf(stderr, "REGRESSION_TEST initialization begun\n");
   // start the non exclusive tests
   for (RegressionTest *t = test; t; t = t->next) {
-    if ((dfa.match(t->name) >= 0)) {
+    if (regex.exec(t->name, RE_ANCHORED)) {
       int res = start_test(t, regression_level);
       if (res == REGRESSION_TEST_FAILED) {
         final_status = REGRESSION_TEST_FAILED;
@@ -153,7 +153,7 @@ RegressionTest::run_some(int regression_level)
   }
 
   for (; current; current = current->next) {
-    if ((dfa.match(current->name) >= 0)) {
+    if (regex.exec(current->name, RE_ANCHORED)) {
       int res = start_test(current, regression_level);
       if (res == REGRESSION_TEST_INPROGRESS) {
         return res;