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# # This file is part of the NetworkX distribution.
# NetworkX is distributed with the 3-clause BSD license.
# ::
# Copyright (C) 2004-2022, NetworkX Developers
# Aric Hagberg <hagberg@lanl.gov>
# Dan Schult <dschult@colgate.edu>
# Pieter Swart <swart@lanl.gov>
# All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of the NetworkX Developers nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""
Pajek tests
"""
import easygraph as eg
print(eg)
import os
import tempfile
from easygraph.utils import edges_equal
from easygraph.utils import nodes_equal
# from rich import print
test_parse_pajek_edges = [
(
"A1",
"A1",
0,
{
"weight": 1.0,
"h2": "0",
"w": "3",
"c": "Blue",
"s": "3",
"a1": "-130",
"k1": "0.6",
"a2": "-130",
"k2": "0.6",
"ap": "0.5",
"l": "Bezier loop",
"lc": "BlueViolet",
"fos": "20",
"lr": "58",
"lp": "0.3",
"la": "360",
},
),
(
"A1",
"Bb",
0,
{
"weight": 1.0,
"h2": "0",
"a1": "40",
"k1": "2.8",
"a2": "30",
"k2": "0.8",
"ap": "25",
"l": "Bezier arc",
"lphi": "90",
"la": "0",
"lp": "0.65",
},
),
(
"A1",
"C",
0,
{
"weight": 1.0,
"p": "Dashed",
"h2": "0",
"w": "5",
"k1": "-1",
"k2": "-20",
"ap": "25",
"l": "Oval arc",
"c": "Brown",
"lc": "Black",
},
),
(
"Bb",
"A1",
0,
{
"weight": 1.0,
"h2": "0",
"a1": "120",
"k1": "1.3",
"a2": "-120",
"k2": "0.3",
"ap": "25",
"l": "Bezier arc",
"lphi": "270",
"la": "180",
"lr": "19",
"lp": "0.5",
},
),
(
"C",
"D2",
0,
{
"weight": 1.0,
"p": "Dashed",
"h2": "0",
"w": "2",
"c": "OliveGreen",
"ap": "25",
"l": "Straight arc",
"lc": "PineGreen",
},
),
(
"C",
"C",
0,
{
"weight": -1.0,
"h1": "6",
"w": "1",
"h2": "12",
"k1": "-2",
"k2": "-15",
"ap": "0.5",
"l": "Circular loop",
"c": "Red",
"lc": "OrangeRed",
"lphi": "270",
"la": "180",
},
),
(
"D2",
"Bb",
0,
{
"weight": -1.0,
"h2": "0",
"w": "1",
"k1": "-2",
"k2": "250",
"ap": "25",
"l": "Circular arc",
"c": "Red",
"lc": "OrangeRed",
},
),
]
class TestPajek:
@classmethod
def setup_class(cls):
cls.data = """*network Tralala\n*vertices 4\n 1 "A1" 0.0938 0.0896 ellipse x_fact 1 y_fact 1\n 2 "Bb" 0.8188 0.2458 ellipse x_fact 1 y_fact 1\n 3 "C" 0.3688 0.7792 ellipse x_fact 1\n 4 "D2" 0.9583 0.8563 ellipse x_fact 1\n*arcs\n1 1 1 h2 0 w 3 c Blue s 3 a1 -130 k1 0.6 a2 -130 k2 0.6 ap 0.5 l "Bezier loop" lc BlueViolet fos 20 lr 58 lp 0.3 la 360\n2 1 1 h2 0 a1 120 k1 1.3 a2 -120 k2 0.3 ap 25 l "Bezier arc" lphi 270 la 180 lr 19 lp 0.5\n1 2 1 h2 0 a1 40 k1 2.8 a2 30 k2 0.8 ap 25 l "Bezier arc" lphi 90 la 0 lp 0.65\n4 2 -1 h2 0 w 1 k1 -2 k2 250 ap 25 l "Circular arc" c Red lc OrangeRed\n3 4 1 p Dashed h2 0 w 2 c OliveGreen ap 25 l "Straight arc" lc PineGreen\n1 3 1 p Dashed h2 0 w 5 k1 -1 k2 -20 ap 25 l "Oval arc" c Brown lc Black\n3 3 -1 h1 6 w 1 h2 12 k1 -2 k2 -15 ap 0.5 l "Circular loop" c Red lc OrangeRed lphi 270 la 180"""
cls.G = eg.MultiDiGraph()
cls.G.add_nodes_from(["A1", "Bb", "C", "D2"])
cls.G.add_edges_from(
[
("A1", "A1"),
("A1", "Bb"),
("A1", "C"),
("Bb", "A1"),
("C", "C"),
("C", "D2"),
("D2", "Bb"),
]
)
cls.G.graph["name"] = "Tralala"
(fd, cls.fname) = tempfile.mkstemp()
with os.fdopen(fd, "wb") as fh:
fh.write(cls.data.encode("UTF-8"))
@classmethod
def teardown_class(cls):
os.unlink(cls.fname)
def test_parse_pajek_simple(self):
# Example without node positions or shape
data = """*Vertices 2\n1 "1"\n2 "2"\n*Edges\n1 2\n2 1"""
G = eg.parse_pajek(data)
assert sorted(G.nodes) == ["1", "2"]
assert edges_equal(G.edges, [("1", "2", 0, {}), ("1", "2", 1, {})])
def test_parse_pajek(self):
G = eg.parse_pajek(self.data)
assert sorted(G.nodes) == ["A1", "Bb", "C", "D2"]
# print(G.edges)
assert edges_equal(G.edges, test_parse_pajek_edges)
def test_parse_pajek_mat(self):
data = """*Vertices 3\n1 "one"\n2 "two"\n3 "three"\n*Matrix\n1 1 0\n0 1 0\n0 1 0\n"""
G = eg.parse_pajek(data)
assert set(G.nodes) == {"one", "two", "three"}
assert G.nodes["two"] == {"id": "2"}
assert edges_equal(
# set(G.edges),
G.edges,
[
("one", "one", {"weight": 1}),
("one", "two", {"weight": 1}),
("two", "two", {"weight": 1}),
("three", "two", {"weight": 1}),
],
)
def test_read_pajek(self):
G = eg.parse_pajek(self.data)
Gin = eg.read_pajek(self.fname)
assert sorted(G.nodes) == sorted(Gin.nodes)
assert edges_equal(G.edges, Gin.edges)
assert self.G.graph == Gin.graph
for n in G:
assert G.nodes[n] == Gin.nodes[n]
def test_write_pajek(self):
import io
G = eg.parse_pajek(self.data)
fh = io.BytesIO()
eg.write_pajek(G, fh)
fh.seek(0)
H = eg.read_pajek(fh)
assert nodes_equal(G.nodes, list(H))
assert edges_equal(G.edges, list(H.edges))
# Graph name is left out for now, therefore it is not tested.
# assert_equal(G.graph, H.graph)
def test_ignored_attribute(self):
import io
G = eg.Graph()
fh = io.BytesIO()
G.add_node(1, int_attr=1)
G.add_node(2, empty_attr=" ")
G.add_edge(1, 2, int_attr=2)
G.add_edge(2, 3, empty_attr=" ")
import warnings
with warnings.catch_warnings(record=True) as w:
eg.write_pajek(G, fh)
assert len(w) == 4
def test_noname(self):
# Make sure we can parse a line such as: *network
# Issue #952
line = "*network\n"
other_lines = self.data.split("\n")[1:]
data = line + "\n".join(other_lines)
G = eg.parse_pajek(data)
def test_unicode(self):
import io
G = eg.Graph()
name1 = chr(2344) + chr(123) + chr(6543)
name2 = chr(5543) + chr(1543) + chr(324)
G.add_edge(name1, "Radiohead", foo=name2)
fh = io.BytesIO()
eg.write_pajek(G, fh)
fh.seek(0)
H = eg.read_pajek(fh)
assert nodes_equal(list(G), list(H))
# from icecream import ic
# ic(G.edges)
# ic(H.edges)
# ic(G.graph)
# ic(H.graph)
# assert edges_equal(list(G.edges), list(H.edges))
assert G.graph == H.graph