import unittest
from unittest.mock import patch
from orionis.test.cases.synchronous import SyncTestCase
from orionis.test.cases.case import AsyncTestCase
from orionis.test.output.dumper import TestDumper
from orionis.test.contracts.dumper import ITestDumper

class TestTestingDumper(SyncTestCase):

    def setUp(self):
        """
        Set up test fixtures before each test method.

        Initializes a TestDumper instance for testing and creates various test objects
        to be used across different test methods.

        Returns
        -------
        None
        """
        self.dumper = TestDumper()
        self.test_data = "test string"
        self.test_number = 42
        self.test_list = [1, 2, 3]
        self.test_dict = {"key": "value"}

    def testInheritanceFromITestDumper(self):
        """
        Verify that TestDumper properly inherits from ITestDumper interface.

        This test ensures that the TestDumper class correctly implements the ITestDumper
        interface, maintaining proper contract compliance within the framework architecture.

        Returns
        -------
        None
        """
        self.assertIsInstance(self.dumper, ITestDumper)
        self.assertTrue(issubclass(TestDumper, ITestDumper))

    def testMethodsExist(self):
        """
        Verify the presence of required methods in the TestDumper class.

        This test checks whether the TestDumper class implements all methods listed in
        `required_methods`. An assertion error is raised if any required method is missing.

        Returns
        -------
        None
        """
        required_methods = [
            "dd",
            "dump",
        ]

        # Iterate over the list of required method names
        for method_name in required_methods:

            # Assert that each required method exists in TestDumper
            self.assertTrue(
                hasattr(TestDumper, method_name),
                f"{method_name} does not exist",
            )

    def testPrivateMethodsExist(self):
        """
        Verify the presence of private helper methods in the TestDumper class.

        This test ensures that all internal helper methods used by the TestDumper
        implementation are properly defined and accessible within the class scope.

        Returns
        -------
        None
        """
        private_methods = [
            "_TestDumper__isTestCaseClass",
            "_TestDumper__valuesToDump",
            "_TestDumper__tracebackInfo",
        ]

        # Iterate over the list of private method names
        for method_name in private_methods:

            # Assert that each private method exists in TestDumper
            self.assertTrue(
                hasattr(self.dumper, method_name),
                f"Private method {method_name} does not exist",
            )

    def testIsTestCaseClassWithNone(self):
        """
        Test __isTestCaseClass method with None value.

        Verifies that the private method correctly identifies None as not being
        a test case class instance, ensuring proper null safety.

        Returns
        -------
        None
        """
        result = self.dumper._TestDumper__isTestCaseClass(None)
        self.assertFalse(result)

    def testIsTestCaseClassWithSyncTestCase(self):
        """
        Test __isTestCaseClass method with SyncTestCase instance.

        Verifies that the method correctly identifies SyncTestCase instances
        as test case classes, ensuring proper filtering functionality.

        Returns
        -------
        None
        """
        sync_instance = SyncTestCase()
        result = self.dumper._TestDumper__isTestCaseClass(sync_instance)
        self.assertTrue(result)

    def testIsTestCaseClassWithAsyncTestCase(self):
        """
        Test __isTestCaseClass method with AsyncTestCase instance.

        Verifies that the method correctly identifies AsyncTestCase instances
        as test case classes, ensuring comprehensive test case detection.

        Returns
        -------
        None
        """
        async_instance = AsyncTestCase()
        result = self.dumper._TestDumper__isTestCaseClass(async_instance)
        self.assertTrue(result)

    def testIsTestCaseClassWithUnittestTestCase(self):
        """
        Test __isTestCaseClass method with standard unittest.TestCase instance.

        Verifies that the method correctly identifies standard Python unittest
        TestCase instances, ensuring compatibility with native testing framework.

        Returns
        -------
        None
        """
        unittest_instance = unittest.TestCase()
        result = self.dumper._TestDumper__isTestCaseClass(unittest_instance)
        self.assertTrue(result)

    def testIsTestCaseClassWithIsolatedAsyncioTestCase(self):
        """
        Test __isTestCaseClass method with unittest.IsolatedAsyncioTestCase instance.

        Verifies that the method correctly identifies IsolatedAsyncioTestCase instances
        as test case classes, ensuring support for asyncio-based testing.

        Returns
        -------
        None
        """
        asyncio_instance = unittest.IsolatedAsyncioTestCase()
        result = self.dumper._TestDumper__isTestCaseClass(asyncio_instance)
        self.assertTrue(result)

    def testIsTestCaseClassWithRegularObject(self):
        """
        Test __isTestCaseClass method with regular non-test objects.

        Verifies that the method correctly identifies regular objects as not being
        test case classes, ensuring proper discrimination between test and non-test objects.

        Returns
        -------
        None
        """
        regular_objects = [
            "string",
            42,
            [1, 2, 3],
            {"key": "value"},
            object(),
        ]

        for obj in regular_objects:
            result = self.dumper._TestDumper__isTestCaseClass(obj)
            self.assertFalse(result, f"Object {obj} should not be identified as test case class")

    @patch("orionis.test.cases.asynchronous.AsyncTestCase", side_effect=ImportError)
    @patch("orionis.test.cases.synchronous.SyncTestCase", side_effect=ImportError)
    def testIsTestCaseClassWithImportError(self, mock_sync, mock_async):
        """
        Test __isTestCaseClass method behavior when import errors occur.

        Verifies that the method gracefully handles import failures and returns False
        when test case classes cannot be imported, ensuring robust error handling.

        Parameters
        ----------
        mock_sync : Mock
            Mock for SyncTestCase that raises ImportError
        mock_async : Mock
            Mock for AsyncTestCase that raises ImportError

        Returns
        -------
        None
        """
        result = self.dumper._TestDumper__isTestCaseClass("test_object")
        self.assertFalse(result)

    def testValuesToDumpFiltersTestCases(self):
        """
        Test __valuesToDump method filters out test case instances.

        Verifies that the method correctly removes test case instances from the
        arguments tuple while preserving other values, ensuring clean output.

        Returns
        -------
        None
        """
        sync_instance = SyncTestCase()
        async_instance = AsyncTestCase()
        regular_data = ["data1", 42, {"key": "value"}]

        args = (sync_instance, regular_data[0], async_instance, regular_data[1], regular_data[2])
        result = self.dumper._TestDumper__valuesToDump(args)

        # Verify test cases are filtered out
        self.assertNotIn(sync_instance, result)
        self.assertNotIn(async_instance, result)

        # Verify regular data is preserved
        for data in regular_data:
            self.assertIn(data, result)

    def testValuesToDumpWithEmptyTuple(self):
        """
        Test __valuesToDump method with empty input tuple.

        Verifies that the method correctly handles empty input and returns
        an empty tuple, ensuring proper edge case handling.

        Returns
        -------
        None
        """
        result = self.dumper._TestDumper__valuesToDump(())
        self.assertEqual(result, ())

    def testValuesToDumpWithOnlyTestCases(self):
        """
        Test __valuesToDump method with only test case instances.

        Verifies that the method returns an empty tuple when all input arguments
        are test case instances, ensuring complete filtering functionality.

        Returns
        -------
        None
        """
        sync_instance = SyncTestCase()
        async_instance = AsyncTestCase()
        unittest_instance = unittest.TestCase()

        args = (sync_instance, async_instance, unittest_instance)
        result = self.dumper._TestDumper__valuesToDump(args)

        self.assertEqual(result, ())

    def testValuesToDumpWithNoTestCases(self):
        """
        Test __valuesToDump method with no test case instances.

        Verifies that the method preserves all arguments when none are test case
        instances, ensuring transparent operation for regular data.

        Returns
        -------
        None
        """
        args = ("string", 42, [1, 2, 3], {"key": "value"})
        result = self.dumper._TestDumper__valuesToDump(args)

        self.assertEqual(result, args)

    def testTracebackInfoReturnsModuleAndLine(self):
        """
        Test __tracebackInfo method returns caller's module and line information.

        Verifies that the method correctly retrieves the module name and line number
        from the call stack, providing essential debugging context information.

        Returns
        -------
        None
        """
        module, line = self.dumper._TestDumper__tracebackInfo()

        # Verify module name is returned as a string and is not None
        self.assertIsInstance(module, str)
        self.assertIsNotNone(module)
        self.assertGreater(len(module), 0)

        # Verify line number is returned as an integer
        self.assertIsInstance(line, int)
        self.assertGreater(line, 0)

    @patch("sys._getframe", side_effect=Exception("Frame error"))
    def testTracebackInfoWithException(self, mock_getframe):
        """
        Test __tracebackInfo method behavior when frame access fails.

        Verifies that the method gracefully handles exceptions during frame
        inspection and returns None values, ensuring robust error handling.

        Parameters
        ----------
        mock_getframe : Mock
            Mock for sys._getframe that raises an exception

        Returns
        -------
        None
        """
        module, line = self.dumper._TestDumper__tracebackInfo()

        self.assertIsNone(module)
        self.assertIsNone(line)

    @patch("orionis.support.facades.console.Console.dump")
    def testDumpMethodCall(self, mock_console_dump):
        """
        Test dump method properly delegates to Console.dump.

        Verifies that the dump method correctly calls Console.dump with appropriate
        parameters and filtered arguments, ensuring proper integration with the console system.

        Parameters
        ----------
        mock_console_dump : Mock
            Mock for Console.dump method

        Returns
        -------
        None
        """
        self.dumper.dump(self.test_data, self.test_number)

        mock_console_dump.assert_called_once()
        args, kwargs = mock_console_dump.call_args

        # Verify arguments are passed
        self.assertIn(self.test_data, args)
        self.assertIn(self.test_number, args)

        # Verify keyword arguments
        self.assertFalse(kwargs.get("force_exit"))
        self.assertTrue(kwargs.get("redirect_output"))
        self.assertTrue(kwargs.get("insert_line"))
        self.assertIsNotNone(kwargs.get("module_path"))
        self.assertIsNotNone(kwargs.get("line_number"))

    @patch("orionis.support.facades.console.Console.dump")
    def testDdMethodCall(self, mock_console_dump):
        """
        Test dd method properly delegates to Console.dump with force_exit=True.

        Verifies that the dd method correctly calls Console.dump with force_exit
        enabled and other appropriate parameters, ensuring execution termination behavior.

        Parameters
        ----------
        mock_console_dump : Mock
            Mock for Console.dump method

        Returns
        -------
        None
        """
        self.dumper.dd(self.test_data, self.test_number)

        mock_console_dump.assert_called_once()
        args, kwargs = mock_console_dump.call_args

        # Verify arguments are passed
        self.assertIn(self.test_data, args)
        self.assertIn(self.test_number, args)

        # Verify keyword arguments (force_exit should be True for dd)
        self.assertTrue(kwargs.get("force_exit"))
        self.assertTrue(kwargs.get("redirect_output"))
        self.assertTrue(kwargs.get("insert_line"))
        self.assertIsNotNone(kwargs.get("module_path"))
        self.assertIsNotNone(kwargs.get("line_number"))

    @patch("orionis.support.facades.console.Console.dump")
    def testDumpFiltersTestCaseInstances(self, mock_console_dump):
        """
        Test dump method filters out test case instances from arguments.

        Verifies that test case instances are automatically filtered from the
        arguments before being passed to Console.dump, preventing sensitive data exposure.

        Parameters
        ----------
        mock_console_dump : Mock
            Mock for Console.dump method

        Returns
        -------
        None
        """
        sync_instance = SyncTestCase()
        regular_data = "filtered test"

        self.dumper.dump(sync_instance, regular_data)

        mock_console_dump.assert_called_once()
        args, _ = mock_console_dump.call_args

        # Verify test case instance is filtered out
        self.assertNotIn(sync_instance, args)
        # Verify regular data is preserved
        self.assertIn(regular_data, args)

    @patch("orionis.support.facades.console.Console.dump")
    def testDdFiltersTestCaseInstances(self, mock_console_dump):
        """
        Test dd method filters out test case instances from arguments.

        Verifies that test case instances are automatically filtered from the
        arguments before being passed to Console.dump in dd method, ensuring consistent behavior.

        Parameters
        ----------
        mock_console_dump : Mock
            Mock for Console.dump method

        Returns
        -------
        None
        """
        async_instance = AsyncTestCase()
        regular_data = "filtered dd test"

        self.dumper.dd(async_instance, regular_data)

        mock_console_dump.assert_called_once()
        args, _ = mock_console_dump.call_args

        # Verify test case instance is filtered out
        self.assertNotIn(async_instance, args)
        # Verify regular data is preserved
        self.assertIn(regular_data, args)

    @patch("orionis.support.facades.console.Console.dump")
    def testDumpWithMultipleArguments(self, mock_console_dump):
        """
        Test dump method with multiple arguments of different types.

        Verifies that the dump method correctly handles and passes multiple
        arguments of various types, ensuring comprehensive data output capability.

        Parameters
        ----------
        mock_console_dump : Mock
            Mock for Console.dump method

        Returns
        -------
        None
        """
        mixed_args = [
            self.test_data,
            self.test_number,
            self.test_list,
            self.test_dict,
            None,
            True,
        ]

        self.dumper.dump(*mixed_args)

        mock_console_dump.assert_called_once()
        args, _ = mock_console_dump.call_args

        # Verify all arguments are passed
        for arg in mixed_args:
            self.assertIn(arg, args)

    @patch("orionis.support.facades.console.Console.dump")
    def testDdWithMultipleArguments(self, mock_console_dump):
        """
        Test dd method with multiple arguments of different types.

        Verifies that the dd method correctly handles and passes multiple
        arguments of various types while maintaining force_exit behavior.

        Parameters
        ----------
        mock_console_dump : Mock
            Mock for Console.dump method

        Returns
        -------
        None
        """
        mixed_args = [
            self.test_data,
            self.test_number,
            self.test_list,
            self.test_dict,
            None,
            False,
        ]

        self.dumper.dd(*mixed_args)

        mock_console_dump.assert_called_once()
        args, kwargs = mock_console_dump.call_args

        # Verify all arguments are passed
        for arg in mixed_args:
            self.assertIn(arg, args)

        # Verify force_exit is True for dd
        self.assertTrue(kwargs.get("force_exit"))

    @patch("orionis.support.facades.console.Console.dump")
    def testDumpWithNoArguments(self, mock_console_dump):
        """
        Test dump method with no arguments.

        Verifies that the dump method can be called without arguments and
        still properly invokes Console.dump with correct parameters.

        Parameters
        ----------
        mock_console_dump : Mock
            Mock for Console.dump method

        Returns
        -------
        None
        """
        self.dumper.dump()

        mock_console_dump.assert_called_once()
        args, kwargs = mock_console_dump.call_args

        # Verify no positional arguments except filtered ones
        self.assertEqual(len(args), 0)

        # Verify keyword arguments are still set correctly
        self.assertFalse(kwargs.get("force_exit"))
        self.assertTrue(kwargs.get("redirect_output"))
        self.assertTrue(kwargs.get("insert_line"))

    @patch("orionis.support.facades.console.Console.dump")
    def testDdWithNoArguments(self, mock_console_dump):
        """
        Test dd method with no arguments.

        Verifies that the dd method can be called without arguments and
        still properly invokes Console.dump with force_exit enabled.

        Parameters
        ----------
        mock_console_dump : Mock
            Mock for Console.dump method

        Returns
        -------
        None
        """
        self.dumper.dd()

        mock_console_dump.assert_called_once()
        args, kwargs = mock_console_dump.call_args

        # Verify no positional arguments except filtered ones
        self.assertEqual(len(args), 0)

        # Verify keyword arguments are still set correctly
        self.assertTrue(kwargs.get("force_exit"))
        self.assertTrue(kwargs.get("redirect_output"))
        self.assertTrue(kwargs.get("insert_line"))
