lemoncurry/lemoncurry/tests/breadcrumbs.py

55 lines
1.6 KiB
Python

from collections import namedtuple
import pytest
from .. import breadcrumbs as b
@pytest.fixture
def nested_crumbs():
x = b.Crumb("nc.x", label="x")
y = b.Crumb("nc.y", label="y", parent="nc.x")
z = b.Crumb("nc.z", label="z", parent="nc.y")
crumbs = (x, y, z)
for crumb in crumbs:
b.breadcrumbs[crumb.route] = crumb
yield namedtuple("NestedCrumbs", "x y z")(*crumbs)
for crumb in crumbs:
del b.breadcrumbs[crumb.route]
@pytest.fixture
def crumb_match(nested_crumbs):
return namedtuple("Match", "view_name")(nested_crumbs.z.route)
class TestAdd:
def test_inserts_a_breadcrumb_without_parent(self):
route = "tests.add.insert"
assert route not in b.breadcrumbs
b.add(route, "some label")
assert route in b.breadcrumbs
assert b.breadcrumbs[route] == route
route = b.breadcrumbs[route]
assert route.label == "some label"
assert route.parent is None
def test_inserts_a_breadcrumb_with_parent(self):
route = "tests.add.with_parent"
parent = "tests.add.insert"
assert route not in b.breadcrumbs
b.add(route, "child label", parent)
assert route in b.breadcrumbs
assert b.breadcrumbs[route] == route
route = b.breadcrumbs[route]
assert route.label == "child label"
assert route.parent == parent
class TestFind:
def test_finds_chain_of_crumbs(self, nested_crumbs, crumb_match):
crumbs = b.find(crumb_match)
assert len(crumbs) == 3
assert crumbs[0] == nested_crumbs.x
assert crumbs[1] == nested_crumbs.y
assert crumbs[2] == nested_crumbs.z