Fix Jinja template rendering error when concatenating _AnsibleTaggedStr with list (#4737)

Co-authored-by: anushka-shukla-03 <[email protected]>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: 3 people

src/ansiblelint/config.py

@@ -181,7 +181,7 @@ class Options:  # pylint: disable=too-many-instance-attributes
     max_tasks: int = 100
     max_block_depth: int = 20
     # Refer to https://docs.ansible.com/ansible/latest/reference_appendices/release_and_maintenance.html#ansible-core-support-matrix
-    _default_supported = ["2.15.", "2.16.", "2.17.", "2.18."]
+    _default_supported = ["2.15.", "2.16.", "2.17.", "2.18.", "2.19."]
     supported_ansible_also: list[str] = field(default_factory=list)
 
     @property

src/ansiblelint/rules/jinja.py

@@ -69,6 +69,8 @@ class Token(NamedTuple):
             r"^The '(.*)' test expects a dictionary$",
             # https://github.com/ansible/ansible-lint/issues/4338
             r"An unhandled exception occurred while templating (.*). Error was a <class 'ansible.errors.AnsibleFilterError'>, original message: The (.*) test expects a dictionary$",
+            r"can only concatenate list \(not \"_AnsibleTaggedStr\"\) to list",
+            r"can only concatenate str \(not \"_AnsibleTaggedStr\"\) to str",
         ],
     ),
     flags=re.MULTILINE | re.DOTALL,
@@ -961,3 +963,36 @@ def test_filter_import_failure(
         lintable = Lintable("examples/playbooks/test_filter_with_importerror.yml")
         results = Runner(lintable, rules=collection).run()
         assert len(results) == expected_results
+
+    def test_ansible_core_2_19_supported_version() -> None:
+        """Test that ansible-core 2.19 is in the supported versions list."""
+        from ansiblelint.config import Options
+
+        options = Options()
+        supported_versions = options.supported_ansible
+
+        # Check that 2.19 is in the supported versions
+        assert any("2.19" in version for version in supported_versions), (
+            f"ansible-core 2.19 not found in supported versions: {supported_versions}"
+        )
+
+    @pytest.mark.parametrize(
+        ("error_message", "should_be_ignored"),
+        (
+            ('can only concatenate list (not "_AnsibleTaggedStr") to list', True),
+            ('can only concatenate str (not "_AnsibleTaggedStr") to str', True),
+            ("Unexpected templating type error occurred on (var): details", True),
+            ("Object of type method is not JSON serializable", True),
+            ('can only concatenate list (not "int") to list', False),
+            ("TemplateSyntaxError: unexpected token", False),
+            ("UndefinedError: variable not defined", False),
+            ("can only concatenate list (not AnsibleTaggedStr) to list", False),
+        ),
+    )
+    def test_jinja_ignore_patterns(error_message: str, should_be_ignored: bool) -> None:
+        """Test that ignore patterns correctly handle ansible-core 2.19 _AnsibleTaggedStr errors."""
+        matches = bool(ignored_re.search(error_message))
+        assert matches == should_be_ignored, (
+            f"Error message '{error_message}' should {'be ignored' if should_be_ignored else 'not be ignored'} "
+            f"but {'was' if matches else 'was not'} matched by ignore pattern"
+        )