From 24df36e49f5f0975bd6f5da04ab7a7f7010c4262 Mon Sep 17 00:00:00 2001
From: V1SHAL421 <vishalmkumar3@gmail.com>
Date: Sun, 1 Mar 2026 18:46:53 +0000
Subject: [PATCH 1/3] Fix: allow pytest.HIDDEN_PARAM in ids argument of
 mark.parametrize (#14234)

---
 src/_pytest/mark/structures.py | 2 +-
 testing/typing_checks.py       | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/_pytest/mark/structures.py b/src/_pytest/mark/structures.py
index 0fa6e8babba..f70a655ce72 100644
--- a/src/_pytest/mark/structures.py
+++ b/src/_pytest/mark/structures.py
@@ -532,7 +532,7 @@ def __call__(
             argvalues: Collection[ParameterSet | Sequence[object] | object],
             *,
             indirect: bool | Sequence[str] = ...,
-            ids: Iterable[None | str | float | int | bool]
+            ids: Iterable[None | str | float | int | bool | _HiddenParam]
             | Callable[[Any], object | None]
             | None = ...,
             scope: _ScopeName | None = ...,
diff --git a/testing/typing_checks.py b/testing/typing_checks.py
index ff1c0e60cd9..942243420a9 100644
--- a/testing/typing_checks.py
+++ b/testing/typing_checks.py
@@ -60,6 +60,12 @@ def check_testreport_attributes(report: TestReport) -> None:
     assert_type(report.location, tuple[str, int | None, str])
 
 
+# Issue #14234.
+@pytest.mark.parametrize("x", [1, 2], ids=[pytest.HIDDEN_PARAM, "visible"])
+def test_hidden_param(x: int) -> None:
+    pass
+
+
 # Test @pytest.mark.parametrize iterator argvalues deprecation.
 # Will be complain about unused type ignore if doesn't work.
 @pytest.mark.parametrize("x", iter(range(10)))  # type: ignore[deprecated]

From d86e0054486605fb33ef9cd1ec4e866b032f3df2 Mon Sep 17 00:00:00 2001
From: V1SHAL421 <vishalmkumar3@gmail.com>
Date: Sun, 1 Mar 2026 20:33:37 +0000
Subject: [PATCH 2/3] Add changelog fragment for #14234

---
 changelog/14234.improvement.rst | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 changelog/14234.improvement.rst

diff --git a/changelog/14234.improvement.rst b/changelog/14234.improvement.rst
new file mode 100644
index 00000000000..500f81cc72a
--- /dev/null
+++ b/changelog/14234.improvement.rst
@@ -0,0 +1 @@
+Allow ``pytest.HIDDEN_PARAM`` in ``parametrize(ids=...)`` type annotations.
\ No newline at end of file

From 2ee52998b76ef2ce3ffc0abe5ff4813e077785e4 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Sun, 1 Mar 2026 20:35:15 +0000
Subject: [PATCH 3/3] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 changelog/14234.improvement.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/changelog/14234.improvement.rst b/changelog/14234.improvement.rst
index 500f81cc72a..9d102256969 100644
--- a/changelog/14234.improvement.rst
+++ b/changelog/14234.improvement.rst
@@ -1 +1 @@
-Allow ``pytest.HIDDEN_PARAM`` in ``parametrize(ids=...)`` type annotations.
\ No newline at end of file
+Allow ``pytest.HIDDEN_PARAM`` in ``parametrize(ids=...)`` type annotations.