Tags Filtering Fix

Filtering now properly handles both verbose and non-verbose output modes
while checking for tag matches.
without changing the existing behavior that users expect when using
'avocado list -t <tag>'

Reference:      #6066
Signed-off-by: Harvey Lynden <[email protected]>

avocado/plugins/list.py

@@ -76,11 +76,7 @@ def _display(self, suite, matrix):
                 TERM_SUPPORT.header_str("Tag(s)"),
             )
 
-        # Any kind of color, string format and term specific should be applied
-        # only during output/display phase. So this seems to be a better place
-        # for this:
         matrix = self._prepare_matrix_for_display(matrix, verbose)
-
         for line in iter_tabular_output(matrix, header=header, strip=True):
             LOG_UI.debug(line)
 
@@ -133,6 +129,39 @@ def _display_extra(suite, verbose=True):
             for key in sorted(suite.tags_stats):
                 LOG_UI.info("%s: %s", key, suite.tags_stats[key])
 
+    @staticmethod
+    def _matches_tag_filter(runnable, filter_by_tags):
+        """Check if runnable matches the tag filter criteria.
+
+        :param runnable: The runnable to check
+        :param filter_by_tags: List of tags to filter by
+        :returns: True if runnable matches filter, False otherwise
+        """
+        if not filter_by_tags:
+            return True
+        if not runnable.tags:
+            return False
+        return any(tag in runnable.tags for tag in filter_by_tags)
+
+    @staticmethod
+    def _build_matrix_entry(runnable, resolution, verbose):
+        """Build a matrix entry for the given runnable.
+
+        :param runnable: The runnable to create entry for
+        :param resolution: The resolution containing the runnable
+        :param verbose: Whether to include verbose information
+        :returns: Tuple containing matrix entry
+        """
+        if verbose:
+            return (
+                runnable.kind,
+                runnable.identifier,
+                runnable.uri,
+                resolution.origin,
+                runnable.tags or {},
+            )
+        return (runnable.kind, runnable.identifier)
+
     @staticmethod
     def _get_resolution_matrix(suite):
         """Used for resolver.
@@ -142,21 +171,19 @@ def _get_resolution_matrix(suite):
         """
         test_matrix = []
         verbose = suite.config.get("core.verbose")
+        filter_by_tags = suite.config.get("filter.by_tags.tags")
+
         for resolution in suite.resolutions:
+            if resolution.result != ReferenceResolutionResult.SUCCESS:
+                continue
+
             for runnable in resolution.resolutions:
-                if verbose:
-                    tags = runnable.tags or {}
-                    test_matrix.append(
-                        (
-                            runnable.kind,
-                            runnable.identifier,
-                            runnable.uri,
-                            resolution.origin,
-                            tags,
-                        )
-                    )
-                else:
-                    test_matrix.append((runnable.kind, runnable.identifier))
+                if not List._matches_tag_filter(runnable, filter_by_tags):
+                    continue
+
+                entry = List._build_matrix_entry(runnable, resolution, verbose)
+                test_matrix.append(entry)
+
         return test_matrix
 
     @staticmethod