File: test_cli.py

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"""Test the command-line tool from the outside."""
from subprocess import PIPE, Popen

# TODO: this needs way, way, way, way more tests


def test_stdio():
    proc = Popen(
        ['python3', '-m', 'scss.tool', '-C'],
        stdin=PIPE,
        stdout=PIPE,
        # this automatically handles encoding/decoding on py3
        universal_newlines=True,
    )
    out, _ = proc.communicate("""
        $color: red;

        table {
            td {
                color: $color;
            }
        }
    """)

    assert out == """\
table td {
  color: red;
}
"""