chore: import upstream snapshot with attribution

tests/tools/test_gitlab_mrs_tool.py

@@ -0,0 +1,118 @@
+"""Tests for GitLabMRsTool (function-based, @tool decorated)."""
+
+from __future__ import annotations
+
+from unittest.mock import MagicMock, patch
+
+from integrations.gitlab.tools.gitlab_mrs_tool import list_gitlab_mrs
+from tests.tools.conftest import BaseToolContract, mock_agent_state
+
+
+class TestGitLabMRsToolContract(BaseToolContract):
+    def get_tool_under_test(self):
+        return list_gitlab_mrs.__opensre_registered_tool__
+
+
+def test_is_available_requires_connection_and_project_id() -> None:
+    rt = list_gitlab_mrs.__opensre_registered_tool__
+    assert rt.is_available({"gitlab": {"connection_verified": True, "project_id": "42"}}) is True
+    assert rt.is_available({"gitlab": {"connection_verified": True}}) is False
+    assert rt.is_available({"gitlab": {"project_id": "42"}}) is False
+    assert rt.is_available({}) is False
+
+
+def test_extract_params_maps_fields() -> None:
+    rt = list_gitlab_mrs.__opensre_registered_tool__
+    sources = mock_agent_state(
+        {
+            "gitlab": {
+                "connection_verified": True,
+                "project_id": "42",
+                "updated_after": "2026-01-01T00:00:00Z",
+                "target_branch": "release",
+                "gitlab_url": "https://gitlab.example.com",
+                "gitlab_token": "glpat-test",
+            }
+        }
+    )
+    params = rt.extract_params(sources)
+    assert params["project_id"] == "42"
+    assert params["updated_after"] == "2026-01-01T00:00:00Z"
+    assert params["target_branch"] == "release"
+    assert params["per_page"] == 10
+    assert params["gitlab_url"] == "https://gitlab.example.com"
+    assert params["gitlab_token"] == "glpat-test"
+
+
+def test_extract_params_defaults_target_branch_to_main() -> None:
+    rt = list_gitlab_mrs.__opensre_registered_tool__
+    sources = mock_agent_state(
+        {
+            "gitlab": {
+                "connection_verified": True,
+                "project_id": "42",
+                "updated_after": "2026-01-01T00:00:00Z",
+            }
+        }
+    )
+    params = rt.extract_params(sources)
+    assert params["target_branch"] == "main"
+
+
+def test_extract_params_defaults_updated_after_to_empty_string() -> None:
+    rt = list_gitlab_mrs.__opensre_registered_tool__
+    sources = mock_agent_state(
+        {
+            "gitlab": {
+                "connection_verified": True,
+                "project_id": "42",
+            }
+        }
+    )
+    params = rt.extract_params(sources)
+    assert params["updated_after"] == ""
+
+
+def test_run_returns_unavailable_when_config_missing() -> None:
+    with patch("integrations.gitlab.tools.gitlab_mrs_tool._resolve_config", return_value=None):
+        result = list_gitlab_mrs(project_id="42")
+    assert result["available"] is False
+    assert "not configured" in result["error"]
+    assert result["mrs"] == []
+
+
+def test_run_happy_path_returns_mrs() -> None:
+    fake_mrs = [
+        {"iid": 1, "title": "fix: deploy bug"},
+        {"iid": 2, "title": "feat: new endpoint"},
+    ]
+    with (
+        patch(
+            "integrations.gitlab.tools.gitlab_mrs_tool._resolve_config", return_value=MagicMock()
+        ),
+        patch(
+            "integrations.gitlab.tools.gitlab_mrs_tool.get_gitlab_mrs", return_value=fake_mrs
+        ) as mock_fn,
+    ):
+        result = list_gitlab_mrs(
+            project_id="42",
+            target_branch="main",
+            updated_after="2026-01-01T00:00:00Z",
+            per_page=10,
+        )
+    assert result["available"] is True
+    assert result["source"] == "gitlab"
+    assert result["mrs"] == fake_mrs
+    mock_fn.assert_called_once()
+
+
+def test_run_error_path_returns_empty_mrs_when_integration_returns_empty() -> None:
+    with (
+        patch(
+            "integrations.gitlab.tools.gitlab_mrs_tool._resolve_config", return_value=MagicMock()
+        ),
+        patch("integrations.gitlab.tools.gitlab_mrs_tool.get_gitlab_mrs", return_value=[]),
+    ):
+        result = list_gitlab_mrs(project_id="42")
+    assert result["available"] is True
+    assert result["mrs"] == []