[PATCH v2 2/5] Support format or cache specific out file

[Nir Soffer <nsoffer@redhat.com>]

Extend the test finder to find tests with format (*.out.qcow2) or cache
specific (*.out.nocache) out file. This worked before only for the
numbered tests.
---
 tests/qemu-iotests/findtests.py | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/tests/qemu-iotests/findtests.py b/tests/qemu-iotests/findtests.py
index dd77b453b8..f4344ce78c 100644
--- a/tests/qemu-iotests/findtests.py
+++ b/tests/qemu-iotests/findtests.py
@@ -38,31 +38,37 @@ def chdir(path: Optional[str] = None) -> Iterator[None]:
         os.chdir(saved_dir)
 
 
 class TestFinder:
     def __init__(self, test_dir: Optional[str] = None) -> None:
         self.groups = defaultdict(set)
 
         with chdir(test_dir):
             self.all_tests = glob.glob('[0-9][0-9][0-9]')
             self.all_tests += [f for f in glob.iglob('tests/*')
-                               if not f.endswith('.out') and
-                               os.path.isfile(f + '.out')]
+                               if self.is_test(f)]
 
             for t in self.all_tests:
                 with open(t, encoding="utf-8") as f:
                     for line in f:
                         if line.startswith('# group: '):
                             for g in line.split()[2:]:
                                 self.groups[g].add(t)
                             break
 
+    def is_test(self, fname: str) -> bool:
+        """
+        The tests directory contains tests (no extension) and out files
+        (*.out, *.out.{format}, *.out.{option}).
+        """
+        return re.search(r'.+\.out(\.\w+)?$', fname) is None
+
     def add_group_file(self, fname: str) -> None:
         with open(fname, encoding="utf-8") as f:
             for line in f:
                 line = line.strip()
 
                 if (not line) or line[0] == '#':
                     continue
 
                 words = line.split()
                 test_file = self.parse_test_name(words[0])
-- 
2.38.1