def test_citation_extraction_with_invalid_formats():
    """Test that invalid citation formats are not extracted."""
    text = "Invalid citation formats: [123], [abcdef], [abc123456789], and valid [abc1234]."

    # Extract citations
    citations = extract_citations(text)

    # Check that only valid citations are extracted
    assert len(citations) == 1, "Only one valid citation should be extracted"
    assert "abc1234" in citations, "Only valid citation abc1234 should be extracted"
    assert "123" not in citations, "Invalid citation [123] should not be extracted"
    assert "abcdef" not in citations, "Invalid citation [abcdef] should not be extracted"
    assert "abc123456789" not in citations, "Invalid citation [abc123456789] should not be extracted"
Test that invalid citation formats are not extracted.
py/tests/unit/agent/test_agent_citations.py