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from superset.mcp_service.utils.url_utils import extract_permalink_key_from_url


def test_extract_permalink_key_from_url_with_trailing_slash():
    url = "http://localhost:8088/explore/p/abc123/"
    assert extract_permalink_key_from_url(url) == "abc123"


def test_extract_permalink_key_from_url_without_trailing_slash():
    url = "http://localhost:8088/explore/p/abc123"
    assert extract_permalink_key_from_url(url) == "abc123"


def test_extract_permalink_key_from_url_no_match():
    url = "http://localhost:8088/explore/?form_data_key=abc123"
    assert extract_permalink_key_from_url(url) is None


def test_extract_permalink_key_from_url_none():
    assert extract_permalink_key_from_url(None) is None


def test_extract_permalink_key_from_url_empty():
    assert extract_permalink_key_from_url("") is None


def test_extract_permalink_key_from_url_with_path_prefix():
    url = "https://example.com/superset/explore/p/xyz789/"
    assert extract_permalink_key_from_url(url) == "xyz789"