Merge pull request #5459 from gilles-peskine-arm/check_test_cases-list-2.28

Backport 2.28: check_test_cases.py --list
diff --git a/tests/scripts/analyze_outcomes.py b/tests/scripts/analyze_outcomes.py
index 73f16bd..d06a059 100755
--- a/tests/scripts/analyze_outcomes.py
+++ b/tests/scripts/analyze_outcomes.py
@@ -7,7 +7,6 @@
 """
 
 import argparse
-import re
 import sys
 import traceback
 
@@ -51,29 +50,9 @@
         """
         return len(self.successes) + len(self.failures)
 
-class TestDescriptions(check_test_cases.TestDescriptionExplorer):
-    """Collect the available test cases."""
-
-    def __init__(self):
-        super().__init__()
-        self.descriptions = set()
-
-    def process_test_case(self, _per_file_state,
-                          file_name, _line_number, description):
-        """Record an available test case."""
-        base_name = re.sub(r'\.[^.]*$', '', re.sub(r'.*/', '', file_name))
-        key = ';'.join([base_name, description.decode('utf-8')])
-        self.descriptions.add(key)
-
-def collect_available_test_cases():
-    """Collect the available test cases."""
-    explorer = TestDescriptions()
-    explorer.walk_all()
-    return sorted(explorer.descriptions)
-
 def analyze_coverage(results, outcomes):
     """Check that all available test cases are executed at least once."""
-    available = collect_available_test_cases()
+    available = check_test_cases.collect_available_test_cases()
     for key in available:
         hits = outcomes[key].hits() if key in outcomes else 0
         if hits == 0:
diff --git a/tests/scripts/check_test_cases.py b/tests/scripts/check_test_cases.py
index fe11f20..c9f5e11 100755
--- a/tests/scripts/check_test_cases.py
+++ b/tests/scripts/check_test_cases.py
@@ -134,6 +134,26 @@
             if os.path.exists(ssl_opt_sh):
                 self.walk_ssl_opt_sh(ssl_opt_sh)
 
+class TestDescriptions(TestDescriptionExplorer):
+    """Collect the available test cases."""
+
+    def __init__(self):
+        super().__init__()
+        self.descriptions = set()
+
+    def process_test_case(self, _per_file_state,
+                          file_name, _line_number, description):
+        """Record an available test case."""
+        base_name = re.sub(r'\.[^.]*$', '', re.sub(r'.*/', '', file_name))
+        key = ';'.join([base_name, description.decode('utf-8')])
+        self.descriptions.add(key)
+
+def collect_available_test_cases():
+    """Collect the available test cases."""
+    explorer = TestDescriptions()
+    explorer.walk_all()
+    return sorted(explorer.descriptions)
+
 class DescriptionChecker(TestDescriptionExplorer):
     """Check all test case descriptions.
 
@@ -173,6 +193,9 @@
 
 def main():
     parser = argparse.ArgumentParser(description=__doc__)
+    parser.add_argument('--list-all',
+                        action='store_true',
+                        help='List all test cases, without doing checks')
     parser.add_argument('--quiet', '-q',
                         action='store_true',
                         help='Hide warnings')
@@ -180,6 +203,10 @@
                         action='store_false', dest='quiet',
                         help='Show warnings (default: on; undoes --quiet)')
     options = parser.parse_args()
+    if options.list_all:
+        descriptions = collect_available_test_cases()
+        sys.stdout.write('\n'.join(descriptions + ['']))
+        return
     results = Results(options)
     checker = DescriptionChecker(results)
     checker.walk_all()