"""
Unit tests for updated_params template tag.
"""

import unittest

# from django.test import RequestFactory
# from django.template import Context
from trim.templatetags import updated_params


class SimGet:

    def copy(self):
        # Simulate a copy method for GET parameters
        return self

    def update(self, *a, **kwargs):
        # Simulate an update method for GET parameters
        pass

    def urlencode(self):
        # Simulate urlencode for testing
        return "simulated urlencode"


class SimContext:
    #   self.context = { 'request':{'GET':{}}}#Context({'request': self.request})

    def __init__(self):
        self.GET = SimGet()


class TestUpdatedParamsTag(unittest.TestCase):
    def setUp(self):
        pass
        # Setup a mock request and context for template tag
        # self.factory = RequestFactory()
        # self.request = self.factory.get('/?foo=bar')
        self.context = {"request": SimContext()}  # Context({'request': self.request})

    def test_updated_params_basic(self):
        """Test that updated_params returns updated query string."""
        # Setup
        kwargs = {"page": 2, "foo": "baz"}
        # Expected: Query string should be updated with new params
        # Result
        result = updated_params.updated_params(self.context, **kwargs)
        # Check if the result matches expected query string
        self.assertEqual(result, "simulated urlencode")

    def test_updated_params_no_kwargs(self):
        """Test updated_params with no additional kwargs."""
        # Setup
        kwargs = {}
        # Expected: Query string should remain unchanged
        # Result
        result = updated_params.updated_params(self.context, **kwargs)
        # TODO: Add assertions for unchanged query string
        pass
