def test_required_by(self):
d = Dependencies(
[
("last", "e1"),
("last", "mid1"),
("last", "mid2"),
("mid1", "e2"),
("mid1", "mid3"),
("mid2", "mid3"),
("mid3", "e3"),
]
)
self.assertEqual(0, len(list(d.required_by("last"))))
required_by = list(d.required_by("mid3"))
self.assertEqual(2, len(required_by))
for n in ("mid1", "mid2"):
self.assertTrue(n in required_by, "'%s' not found in required_by" % n)
required_by = list(d.required_by("e2"))
self.assertEqual(1, len(required_by))
self.assertTrue("mid1" in required_by, "'%s' not found in required_by" % n)
self.assertRaises(KeyError, d.required_by, "foo")
def test_required_by(self):
d = Dependencies([('last', 'e1'), ('last', 'mid1'), ('last', 'mid2'),
('mid1', 'e2'), ('mid1', 'mid3'), ('mid2', 'mid3'),
('mid3', 'e3')])
self.assertEqual(0, len(list(d.required_by('last'))))
required_by = list(d.required_by('mid3'))
self.assertEqual(len(required_by), 2)
for n in ('mid1', 'mid2'):
self.assertTrue(n in required_by,
"'%s' not found in required_by" % n)
required_by = list(d.required_by('e2'))
self.assertEqual(len(required_by), 1)
self.assertTrue('mid1' in required_by,
"'%s' not found in required_by" % n)
self.assertRaises(KeyError, d.required_by, 'foo')
def test_required_by(self):
d = Dependencies([('last', 'e1'), ('last', 'mid1'), ('last', 'mid2'),
('mid1', 'e2'), ('mid1', 'mid3'),
('mid2', 'mid3'),
('mid3', 'e3')])
self.assertEqual(0, len(list(d.required_by('last'))))
required_by = list(d.required_by('mid3'))
self.assertEqual(2, len(required_by))
for n in ('mid1', 'mid2'):
self.assertTrue(n in required_by,
"'%s' not found in required_by" % n)
required_by = list(d.required_by('e2'))
self.assertEqual(1, len(required_by))
self.assertTrue('mid1' in required_by,
"'%s' not found in required_by" % n)
self.assertRaises(KeyError, d.required_by, 'foo')
