def test_sort_changes(self):
a = client.BundleChange(id_="a", requires=["b"])
b = client.BundleChange(id_="b", requires=[])
changeset = ChangeSet([a, b])
result = changeset.sorted()
self.assertEqual(len(result), 2)
self.assertEqual(result, [b, a])
def test_sort_complex_changes(self):
a = client.BundleChange(id_="a", requires=[])
b = client.BundleChange(id_="b", requires=["b"])
c = client.BundleChange(id_="c", requires=["a", "d"])
d = client.BundleChange(id_="d", requires=["a"])
e = client.BundleChange(id_="e", requires=["a", "d", "c", "b"])
f = client.BundleChange(id_="f", requires=["e", "d", "c"])
changeset = ChangeSet([a, b, c, d, e, f])
result = changeset.sorted()
self.assertEqual(len(result), 6)
self.assertEqual(result, [a, b, d, c, e, f])
def test_sort_causes_circular_error(self):
a = client.BundleChange(id_="a", requires=["b"])
b = client.BundleChange(id_="b", requires=["a"])
changeset = ChangeSet([a, b])
self.assertRaises(CircularDependencyError, changeset.sorted)
def test_sort_empty_changes(self):
changeset = ChangeSet([])
result = changeset.sorted()
self.assertEqual(len(result), 0)