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# -*- coding: utf-8 -*-
import pathlib
from pytest import fixture
from anytree import Node
from anytree.exporter import UniqueDotExporter
REFDATA = pathlib.Path(__file__).parent / "refdata" / "test_uniquedotexporter"
from .util import assert_gen
@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."""
UniqueDotExporter(root).to_dotfile(tmp_path / "tree.dot")
assert_gen(tmp_path, REFDATA / "tree")
def test_tree_custom(tmp_path, root):
"""Tree Custom."""
def nodenamefunc(node):
return "%s:%s" % (node.name, node.depth)
def edgeattrfunc(node, child):
return 'label="%s:%s"' % (node.name, child.name)
def nodefunc(node):
return '("%s")' % (node.name)
def edgefunc(node, child):
return f"--{child.edge}-->"
UniqueDotExporter(
root,
options=["rankdir=LR;"],
nodenamefunc=nodenamefunc,
nodeattrfunc=lambda node: "shape=box",
edgeattrfunc=edgeattrfunc,
).to_dotfile(tmp_path / "tree_custom.dot")
assert_gen(tmp_path, REFDATA / "tree_custom")
def test_tree_filter(tmp_path, root):
"""Tree with Filter."""
UniqueDotExporter(root, filter_=lambda node: node.name.startswith("sub")).to_dotfile(tmp_path / "tree_filter.dot")
assert_gen(tmp_path, REFDATA / "tree_filter")
def test_tree_stop(tmp_path, root):
"""Tree with stop."""
UniqueDotExporter(root, stop=lambda node: node.name == "sub1").to_dotfile(tmp_path / "tree_stop.dot")
assert_gen(tmp_path, REFDATA / "tree_stop")
def test_tree_maxlevel(tmp_path, root):
"""Tree with maxlevel."""
UniqueDotExporter(root, maxlevel=2).to_dotfile(tmp_path / "tree_maxlevel.dot")
assert_gen(tmp_path, REFDATA / "tree_maxlevel")
def test_esc():
"""Test proper escape of quotes."""
n = Node(r'6"-6\"')
assert tuple(UniqueDotExporter(n)) == (
"digraph tree {",
' "0x0" [label="6"-6\\""];',
"}",
)
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