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How to use the pipdeptree.render_json function in pipdeptree

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naiquevin / pipdeptree / tests / test_pipdeptree.py View on Github

def test_render_json(capsys):
    output = render_json(tree, indent=4)
    print_graphviz(output)
    out, _ = capsys.readouterr()
    assert out.startswith('[\n    {\n        "')
    assert out.strip().endswith('}\n]')
    data = json.loads(out)
    assert 'package' in data[0]
    assert 'dependencies' in data[0]