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from uuid import uuid1
import pytest
from flask_jsondash.data_utils import filetree_digraph
def test_make_dotfile(tmpdir):
uid = uuid1()
dirname = '{}'.format(uid)
tmp = tmpdir.mkdir(dirname)
for i in range(10):
tmp.join('{}.txt'.format(i)).write('{}'.format(i))
data = filetree_digraph.make_dotfile(tmp.strpath)
# Ensure wrapping lines are proper digraph format.
assert data.startswith('digraph {\n')
assert data.endswith('\n}\n')
lines = data.split('\n')
# Ensure each line has the right dotfile format.
for i, line in enumerate(lines[1:len(lines) - 2]):
assert line == '\t"{0}" -> "{1}.txt";'.format(uid, i)
def test_make_dotfile_invalid_path(tmpdir):
with pytest.raises(OSError):
filetree_digraph.make_dotfile('invalid-path')
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flask_jsondash
