refactor: migrate conversation variable updater tests to testcontainers (#33903)

api/tests/unit_tests/services/test_conversation_variable_updater.py

@@ -1,75 +0,0 @@
-from types import SimpleNamespace
-from unittest.mock import MagicMock
-
-import pytest
-
-from dify_graph.variables import StringVariable
-from services.conversation_variable_updater import ConversationVariableNotFoundError, ConversationVariableUpdater
-
-
-class TestConversationVariableUpdater:
-    def test_should_update_conversation_variable_data_and_commit(self):
-        """Test update persists serialized variable data when the row exists."""
-        conversation_id = "conv-123"
-        variable = StringVariable(
-            id="var-123",
-            name="topic",
-            value="new value",
-        )
-        expected_json = variable.model_dump_json()
-
-        row = SimpleNamespace(data="old value")
-        session = MagicMock()
-        session.scalar.return_value = row
-
-        session_context = MagicMock()
-        session_context.__enter__.return_value = session
-        session_context.__exit__.return_value = None
-
-        session_maker = MagicMock(return_value=session_context)
-        updater = ConversationVariableUpdater(session_maker)
-
-        updater.update(conversation_id=conversation_id, variable=variable)
-
-        session_maker.assert_called_once_with()
-        session.scalar.assert_called_once()
-        stmt = session.scalar.call_args.args[0]
-        compiled_params = stmt.compile().params
-        assert variable.id in compiled_params.values()
-        assert conversation_id in compiled_params.values()
-        assert row.data == expected_json
-        session.commit.assert_called_once()
-
-    def test_should_raise_not_found_error_when_conversation_variable_missing(self):
-        """Test update raises ConversationVariableNotFoundError when no matching row exists."""
-        conversation_id = "conv-404"
-        variable = StringVariable(
-            id="var-404",
-            name="topic",
-            value="value",
-        )
-
-        session = MagicMock()
-        session.scalar.return_value = None
-
-        session_context = MagicMock()
-        session_context.__enter__.return_value = session
-        session_context.__exit__.return_value = None
-
-        session_maker = MagicMock(return_value=session_context)
-        updater = ConversationVariableUpdater(session_maker)
-
-        with pytest.raises(ConversationVariableNotFoundError, match="conversation variable not found in the database"):
-            updater.update(conversation_id=conversation_id, variable=variable)
-
-        session.commit.assert_not_called()
-
-    def test_should_do_nothing_when_flush_is_called(self):
-        """Test flush currently behaves as a no-op and returns None."""
-        session_maker = MagicMock()
-        updater = ConversationVariableUpdater(session_maker)
-
-        result = updater.flush()
-
-        assert result is None
-        session_maker.assert_not_called()