test_typehints.py

# coding: utf-8
"""
Unit tests for atlassian.typehints module
"""

import pytest
from typing import Union
from .mockup import mockup_server
from atlassian.typehints import T_resp_json


class TestTRespJson:
    """Test cases for T_resp_json type hint"""

    def test_t_resp_json_definition(self):
        """Test that T_resp_json is properly defined"""
        # T_resp_json should be a Union type
        assert hasattr(T_resp_json, "__origin__")
        assert T_resp_json.__origin__ == Union

        # It should contain the expected types
        type_args = T_resp_json.__args__
        assert len(type_args) == 2

        # Check that it includes dict and None
        assert dict in type_args
        assert type(None) in type_args

    def test_t_resp_json_usage(self):
        """Test that T_resp_json can be used in type annotations"""

        def test_function(response: T_resp_json) -> T_resp_json:
            return response

        # Test with dict response
        dict_response = {"key": "value"}
        result = test_function(dict_response)
        assert result == dict_response

        # Test with None response
        none_response = None
        result = test_function(none_response)
        assert result == none_response

    def test_t_resp_json_import(self):
        """Test that T_resp_json can be imported correctly"""
        try:
            from atlassian.typehints import T_resp_json

            assert T_resp_json is not None
        except ImportError as e:
            pytest.fail(f"Failed to import type hints: {e}")

    def test_t_resp_json_type_checking(self):
        """Test that type hints are actually types"""
        # T_resp_json should be a type
        assert isinstance(T_resp_json, type) or hasattr(T_resp_json, "__origin__")

        # It should be usable in isinstance checks (for runtime type checking)
        # Note: This is a basic check that the type hint is properly defined
        assert hasattr(T_resp_json, "__args__") or hasattr(T_resp_json, "__origin__")

    def test_t_resp_json_compatibility(self):
        """Test that T_resp_json is compatible with various response types"""
        test_responses = [
            {"key": "value"},
            {},
            None,
        ]

        for response in test_responses:
            # This should not raise any type-related errors
            assert response is not None or response is None  # Simple assertion to test compatibility

    def test_t_resp_json_module_import(self):
        """Test that the typehints module can be imported"""
        try:
            import atlassian.typehints

            assert atlassian.typehints is not None
        except ImportError as e:
            pytest.fail(f"Failed to import typehints module: {e}")

    def test_t_resp_json_consistency(self):
        """Test that type hints are consistent across the module"""
        # All type hints should be defined
        assert hasattr(T_resp_json, "__args__") or hasattr(T_resp_json, "__origin__")

        # Type hints should be properly formatted
        assert str(T_resp_json).startswith("typing.Union") or hasattr(T_resp_json, "__origin__")

    def test_t_resp_json_documentation(self):
        """Test that type hints have proper documentation"""
        # Check that the type hint has a docstring or is properly documented
        assert T_resp_json.__doc__ is not None or hasattr(T_resp_json, "__doc__")

    def test_t_resp_json_usage_in_code(self):
        """Test that type hints can be used in actual code patterns"""

        # Simulate a typical API response function
        def api_response_function() -> T_resp_json:
            """Simulate an API response function"""
            return {"status": "success", "data": "test"}

        # Test the function
        result = api_response_function()
        assert isinstance(result, dict)
        assert result["status"] == "success"

        # Test with None return
        def api_response_function_none() -> T_resp_json:
            """Simulate an API response function returning None"""
            return None

        result = api_response_function_none()
        assert result is None

    def test_t_resp_json_error_handling(self):
        """Test that type hints handle error cases gracefully"""

        # Test that invalid types are caught (if runtime checking is enabled)
        def test_invalid_response(response: T_resp_json) -> T_resp_json:
            return response

        # These should work without type errors
        test_invalid_response({"key": "value"})
        test_invalid_response(None)

        # Test with edge cases
        test_invalid_response("")
        test_invalid_response(123)
        test_invalid_response(True)

    def test_t_resp_json_performance(self):
        """Test that type hints don't impact performance significantly"""
        import time

        def performance_test():
            start_time = time.time()

            # Create many type-annotated functions
            for i in range(1000):

                def test_func(response: T_resp_json) -> T_resp_json:
                    return response

                # Call the function
                test_func({"test": i})

            end_time = time.time()
            return end_time - start_time

        # Measure performance
        execution_time = performance_test()

        # Should complete in reasonable time (less than 1 second)
        assert execution_time < 1.0, f"Type hints performance test took too long: {execution_time}s"

    def test_t_resp_json_typing_module_compatibility(self):
        """Test that type hints are compatible with Python typing module"""
        from typing import get_type_hints, TYPE_CHECKING

        if TYPE_CHECKING:
            # This should work without errors
            pass

        # Test that we can get type hints
        def test_function(response: T_resp_json) -> T_resp_json:
            return response

        type_hints = get_type_hints(test_function)
        assert "response" in type_hints
        assert "return" in type_hints

    def test_t_resp_json_serialization(self):
        """Test that type hints can be serialized/stringified"""
        # Test string representation
        type_str = str(T_resp_json)
        assert isinstance(type_str, str)
        assert len(type_str) > 0

        # Test that it can be used in type annotations
        def test_serialization(response: T_resp_json) -> T_resp_json:
            return response

        # This should work without errors
        result = test_serialization({"test": "value"})
        assert result == {"test": "value"}

    def test_t_resp_json_mockup_integration(self):
        """Test that type hints work with the mockup system"""
        # This test ensures that our type hints don't interfere with the mockup system
        mockup_url = mockup_server()
        assert isinstance(mockup_url, str)
        assert len(mockup_url) > 0

        # Test that our type hints still work
        def test_function(response: T_resp_json) -> T_resp_json:
            return response

        # Test with various response types
        assert test_function({"key": "value"}) == {"key": "value"}
        assert test_function(None) is None