import pytest
from unittest.mock import patch, MagicMock
from sunholo.chunker.data_to_embed_pubsub import data_to_embed_pubsub

# Mock external calls within the function
@patch('sunholo.chunker.data_to_embed_pubsub.process_pubsub_message', return_value=({}, {}, 'test_vector'))
@patch('sunholo.chunker.data_to_embed_pubsub.process_chunker_data', return_value='processed_data')
def test_data_to_embed_pubsub(mock_process_chunker_data, mock_process_pubsub_message):
    # Test the function with various inputs including edge cases
    assert data_to_embed_pubsub({}) == 'processed_data'
    assert data_to_embed_pubsub({'key': 'value'}) == 'processed_data'
    mock_process_pubsub_message.assert_called()
    mock_process_chunker_data.assert_called()

    # Ensure tests are self-contained and do not require external dependencies
    mock_process_pubsub_message = MagicMock(return_value=({}, {}, 'test_vector'))
    mock_process_chunker_data = MagicMock(return_value='processed_data')
    assert data_to_embed_pubsub({'key': 'value'}) == 'processed_data'

    # Validate the function's output against expected results
    expected_output = 'processed_data'
    actual_output = data_to_embed_pubsub({'key': 'value'})
    assert actual_output == expected_output, f"Expected {expected_output}, got {actual_output}"
