def test_get_dependants(self):
uut = DependencyTracker()
self.assertEqual(uut.get_dependants(0), set())
uut.add(0, 1)
uut.add(0, 2)
uut.add(1, 3)
self.assertEqual(uut.get_dependants(0), {1, 2})
self.assertEqual(uut.get_dependants(1), {3})
self.assertEqual(uut.get_dependants(2), set())
uut.resolve(0)
self.assertEqual(uut.get_dependants(0), set())
self.assertEqual(uut.get_dependants(1), {3})
def test_get_dependants(self):
uut = DependencyTracker()
self.assertEqual(uut.get_dependants(0), set())
uut.add(0, 1)
uut.add(0, 2)
uut.add(1, 3)
self.assertEqual(uut.get_dependants(0), {1, 2})
self.assertEqual(uut.get_dependants(1), {3})
self.assertEqual(uut.get_dependants(2), set())
uut.resolve(0)
self.assertEqual(uut.get_dependants(0), set())
self.assertEqual(uut.get_dependants(1), {3})
def test_get_dependencies(self):
uut = DependencyTracker()
self.assertEqual(uut.get_dependencies(0), set())
uut.add(0, 1)
uut.add(0, 2)
uut.add(0, 3)
uut.add(1, 3)
self.assertEqual(uut.get_dependencies(0), set())
self.assertEqual(uut.get_dependencies(1), {0})
self.assertEqual(uut.get_dependencies(2), {0})
self.assertEqual(uut.get_dependencies(3), {0, 1})
uut.resolve(0)
self.assertEqual(uut.get_dependencies(1), set())
self.assertEqual(uut.get_dependencies(3), {1})
def test_get_dependencies(self):
uut = DependencyTracker()
self.assertEqual(uut.get_dependencies(0), set())
uut.add(0, 1)
uut.add(0, 2)
uut.add(0, 3)
uut.add(1, 3)
self.assertEqual(uut.get_dependencies(0), set())
self.assertEqual(uut.get_dependencies(1), {0})
self.assertEqual(uut.get_dependencies(2), {0})
self.assertEqual(uut.get_dependencies(3), {0, 1})
uut.resolve(0)
self.assertEqual(uut.get_dependencies(1), set())
self.assertEqual(uut.get_dependencies(3), {1})
def test_resolve(self):
uut = DependencyTracker()
uut.add(0, 1)
uut.add(0, 2)
uut.add(0, 3)
uut.add(4, 5)
uut.add(6, 0)
self.assertEqual(uut.resolve(0), {1, 2, 3})
# Dependants already resolved.
self.assertEqual(uut.resolve(0), set())
# Though 0 had a dependency, it was still forcefully resolved.
self.assertEqual(uut.resolve(6), set())
# Let's re-add a dependant for 0.
uut.add(0, 1)
self.assertEqual(uut.resolve(0), {1})
# Test the case when we forcefully resolve a dependency, which is still
# itself a dependant of another dependency together with another
# dependant.
uut.add(7, 8)
uut.add(7, 9)
uut.add(8, 10)
self.assertEqual(uut.resolve(8), {10})
# Test case when a dependant depends on multiple dependencies.
uut.add(30, 20)
uut.add(40, 20)
self.assertEqual(uut.resolve(30), set())
self.assertEqual(uut.resolve(40), {20})
def test_resolve(self):
uut = DependencyTracker()
uut.add(0, 1)
uut.add(0, 2)
uut.add(0, 3)
uut.add(4, 5)
uut.add(6, 0)
self.assertEqual(uut.resolve(0), {1, 2, 3})
# Dependants already resolved.
self.assertEqual(uut.resolve(0), set())
# Though 0 had a dependency, it was still forcefully resolved.
self.assertEqual(uut.resolve(6), set())
# Let's re-add a dependant for 0.
uut.add(0, 1)
self.assertEqual(uut.resolve(0), {1})
# Test the case when we forcefully resolve a dependency, which is still
# itself a dependant of another dependency together with another
# dependant.
uut.add(7, 8)
uut.add(7, 9)
uut.add(8, 10)
self.assertEqual(uut.resolve(8), {10})
# Test case when a dependant depends on multiple dependencies.
uut.add(30, 20)
uut.add(40, 20)
self.assertEqual(uut.resolve(30), set())
self.assertEqual(uut.resolve(40), {20})
def test_are_dependencies_resolved(self):
uut = DependencyTracker()
self.assertTrue(uut.are_dependencies_resolved)
uut.add(0, 1)
self.assertFalse(uut.are_dependencies_resolved)
uut.resolve(0)
self.assertTrue(uut.are_dependencies_resolved)
# Test case when dependencies were forcefully resolved.
uut.add(0, 1)
uut.add(1, 2)
self.assertFalse(uut.are_dependencies_resolved)
uut.resolve(1)
self.assertTrue(uut.are_dependencies_resolved)
def test_are_dependencies_resolved(self):
uut = DependencyTracker()
self.assertTrue(uut.are_dependencies_resolved)
uut.add(0, 1)
self.assertFalse(uut.are_dependencies_resolved)
uut.resolve(0)
self.assertTrue(uut.are_dependencies_resolved)
# Test case when dependencies were forcefully resolved.
uut.add(0, 1)
uut.add(1, 2)
self.assertFalse(uut.are_dependencies_resolved)
uut.resolve(1)
self.assertTrue(uut.are_dependencies_resolved)