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import pygraphviz as pgv
import os
import tempfile
import pathlib
def test_readwrite():
A = pgv.AGraph(name="test graph")
A.add_path([1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
the_file = tempfile.NamedTemporaryFile(delete=False)
fname = the_file.name
# Make sure it can be opened for writing again on Win32
the_file.close()
# Pass a string to trigger the code paths that close the newly created file handle
A.write(fname)
B = pgv.AGraph(fname)
assert A == B
assert B == A
assert B is not A
os.unlink(fname)
def test_readwrite_pathobj():
A = pgv.AGraph(name="test graph")
A.add_path([1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
the_file = tempfile.NamedTemporaryFile(delete=False)
fname = pathlib.Path(the_file.name)
# Make sure it can be opened for writing again on Win32
the_file.close()
# Pass a string to trigger the code paths that close the newly created file handle
A.write(fname)
B = pgv.AGraph(fname)
assert A == B
assert B == A
assert B is not A
os.unlink(fname)
def test_sequential_reads_windows():
for _ in range(512):
pgv.AGraph("digraph {1 -> 2}")
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