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import pytest
# Test data
# Consider a bunch of Nodes, some of them are parents and some are children.
class Node(object):
NodeMap = {}
def __init__(self, name, parent=None):
self.name = name
self.children = []
self.NodeMap[self.name] = self
if parent:
self.parent = self.NodeMap[parent]
self.parent.children.append(self)
else:
self.parent = None
def __str__(self):
return self.name
parents = [ Node("a"), Node("b"), Node("c"), Node("d"), ]
childs = [ Node("e", "a"), Node("f", "a"), Node("g", "a"),
Node("h", "b"), Node("i", "c"), Node("j", "c"),
Node("k", "d"), Node("l", "d"), Node("m", "d"), ]
# The test for the parent shall depend on the test of all its children.
# Create enriched parameter lists, decorated with the dependency marker.
childparam = [
pytest.param(c, marks=pytest.mark.dependency(name="test_child[%s]" % c))
for c in childs
]
parentparam = [
pytest.param(p, marks=pytest.mark.dependency(
name="test_parent[%s]" % p,
depends=["test_child[%s]" % c for c in p.children]
)) for p in parents
]
@pytest.mark.parametrize("c", childparam)
def test_child(c):
if c.name == "l":
pytest.xfail("deliberate fail")
assert False
@pytest.mark.parametrize("p", parentparam)
def test_parent(p):
pass
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