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diagrams/tests/test_c4.py

65 lines
2.1 KiB

import os
import random
import string
import unittest
from diagrams import Diagram
from diagrams import setcluster, setdiagram
from diagrams.c4 import Person, Container, Database, System, SystemBoundary, Relationship
class C4Test(unittest.TestCase):
def setUp(self):
self.name = "diagram-" + "".join([random.choice(string.hexdigits) for n in range(7)]).lower()
def tearDown(self):
setdiagram(None)
setcluster(None)
try:
os.remove(self.name + ".png")
except FileNotFoundError:
pass
def test_nodes(self):
with Diagram(name=self.name, show=False):
person = Person("person", "A person.")
container = Container("container", "Java application", "The application.")
database = Database("database", "Oracle database", "Stores information.")
def test_external_nodes(self):
with Diagram(name=self.name, show=False):
external_person = Person("person", external=True)
external_system = System("external", external=True)
def test_systems(self):
with Diagram(name=self.name, show=False):
system = System("system", "The internal system.")
system_without_description = System("unknown")
def test_edges(self):
with Diagram(name=self.name, show=False):
c1 = Container("container1")
c2 = Container("container2")
c1 >> c2
def test_edges_with_labels(self):
with Diagram(name=self.name, show=False):
c1 = Container("container1")
c2 = Container("container2")
c1 >> Relationship("depends on") >> c2
c1 << Relationship("is depended on by") << c2
def test_edge_without_constraint(self):
with Diagram(name=self.name, show=False):
s1 = System("system 1")
s2 = System("system 2")
s1 >> Relationship(constraint="False") >> s2
def test_cluster(self):
with Diagram(name=self.name, show=False):
with SystemBoundary("System"):
Container("container", "type", "description")