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ScoDoc/tests/unit/test_pydot.py

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2021-07-25 22:30:45 +02:00
# -*- coding: UTF-8 -*
"""Unit tests for pydot
Ce test vérifie que le module pydot est compatible avec notre code.
(pydot a souyvent été buggué)
Usage: pytest tests/unit/test_pydot.py
"""
import pydot
from app.scodoc import sco_utils as scu
def test_pydot(test_client):
g = pydot.Dot("graphname")
g.add_node(pydot.Node("a"))
g.add_node(pydot.Node("b"))
n = g.get_node("a")
assert isinstance(n, list)
assert len(n) == 1
assert [x.get_name() for x in g.get_node_list()] == ["a", "b"]
#
edges = [("a", "b"), ("b", "c"), ("c", "d")]
g = scu.graph_from_edges(edges)
assert len(g.get_node_list()) == 4
n = g.get_node("d")[0]
n.set_fontname("Helvetica")
n.set_fontsize(8.0)
n.set("label", "toto")
assert "fontname=Helvetica" in g.to_string()
assert "toto" in g.to_string()