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from pytest import fixture
from test2ref import assert_refdata
from anytree import Node
from anytree.exporter import DotExporter
@fixture
def root():
root = Node("root")
s0 = Node("sub0", parent=root, edge=2)
Node("sub0B", parent=s0, foo=4, edge=109)
Node("sub0A", parent=s0, edge="")
s1 = Node("sub1", parent=root, edge="")
Node("sub1A", parent=s1, edge=7)
Node('sub1"B', parent=s1, edge=8)
s1c = Node("su\\b1C", parent=s1, edge=22)
Node("sub1Ca", parent=s1c, edge=42)
yield root
def test_tree(tmp_path, root):
"""Tree."""
DotExporter(root).to_dotfile(tmp_path / "tree.dot")
assert_refdata(test_tree, tmp_path)
def test_tree_custom(tmp_path, root):
"""Tree Custom."""
def nodenamefunc(node):
return f"{node.name}:{node.depth}"
def edgeattrfunc(node, child):
return f'label="{node.name}:{child.name}"'
def nodefunc(node):
return f'("{node.name}")'
def edgefunc(node, child):
return f"--{child.edge}-->"
DotExporter(
root,
options=["rankdir=LR;"],
nodenamefunc=nodenamefunc,
nodeattrfunc=lambda node: "shape=box",
edgeattrfunc=edgeattrfunc,
).to_dotfile(tmp_path / "tree_custom.dot")
assert_refdata(test_tree_custom, tmp_path)
def test_tree_filter(tmp_path, root):
"""Tree with Filter."""
DotExporter(root, filter_=lambda node: node.name.startswith("sub")).to_dotfile(tmp_path / "tree_filter.dot")
assert_refdata(test_tree_filter, tmp_path)
def test_tree_stop(tmp_path, root):
"""Tree with stop."""
DotExporter(root, stop=lambda node: node.name == "sub1").to_dotfile(tmp_path / "tree_stop.dot")
assert_refdata(test_tree_stop, tmp_path)
def test_tree_maxlevel(tmp_path, root):
"""Tree with maxlevel."""
DotExporter(root, maxlevel=2).to_dotfile(tmp_path / "tree_maxlevel.dot")
assert_refdata(test_tree_maxlevel, tmp_path)
def test_esc():
"""Test proper escape of quotes."""
n = Node(r'6"-6\"')
assert tuple(DotExporter(n)) == (
r"digraph tree {",
r' "6\"-6\\\"";',
r"}",
)
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