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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(
['python', '-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;
}
"""
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