Exemplo n.º 1
0
    def test_preorder_visit(self):
        # test that we can use the advanced preorder_visit
        # function on a block to efficiently check for these
        # constraint containers (without iterating over
        # their children)
        A = numpy.ones((3, 3))

        m = block()
        m.c = matrix_constraint(A)
        m.B = block_list()
        m.B.append(tiny_block())
        m.B[0].c = matrix_constraint(A)
        m.b = block()
        m.b.c = constraint_dict()
        m.b.c[None] = matrix_constraint(A)
        m.b.c[1] = matrix_constraint(A)
        m.b.c[2] = constraint()

        # don't visit things below a matrix constraint
        # (e.g., cases where we want to handle it in bulk)
        def visit_mc(x):
            visit_mc.count += 1
            if isinstance(x, matrix_constraint):
                return False
            return True

        visit_mc.count = 0

        def visit_all(x):
            visit_all.count += 1
            return True

        visit_all.count = 0

        m.preorder_visit(visit_mc,
                         ctype=matrix_constraint.ctype,
                         include_all_parents=False)
        self.assertEqual(visit_mc.count, 6)
        visit_mc.count = 0

        m.preorder_visit(visit_all,
                         ctype=matrix_constraint.ctype,
                         include_all_parents=False)
        #   number of matrix constraints (4)
        # + number of plain constraints (4*3 + 1)
        # + number of other constraint containers (1)
        self.assertEqual(visit_all.count, 18)

        self.assertEqual(len(list(m.components(ctype=constraint.ctype))), 13)
Exemplo n.º 2
0
class TestComponentSet(unittest.TestCase):

    _components = [
        variable(),
        variable_dict(),
        variable_list(),
        constraint(),
        constraint_dict(),
        constraint_list(),
        objective(),
        objective_dict(),
        objective_list(),
        expression(),
        expression_dict(),
        expression_list(),
        block(),
        block_dict(),
        block_list(),
        suffix()
    ]

    def test_pickle(self):
        c = ComponentSet()
        self.assertEqual(len(c), 0)
        cup = pickle.loads(pickle.dumps(c))
        self.assertIsNot(cup, c)
        self.assertEqual(len(cup), 0)

        v = variable()
        c.add(v)
        self.assertEqual(len(c), 1)
        self.assertTrue(v in c)
        cup = pickle.loads(pickle.dumps(c))
        vup = cup.pop()
        cup.add(vup)
        self.assertIsNot(cup, c)
        self.assertIsNot(vup, v)
        self.assertEqual(len(cup), 1)
        self.assertTrue(vup in cup)
        self.assertEqual(vup.parent, None)

        b = block()
        V = b.V = variable_list()
        b.V.append(v)
        b.c = c
        self.assertEqual(len(c), 1)
        self.assertTrue(v in c)
        self.assertIs(v.parent, b.V)
        self.assertIs(V.parent, b)
        self.assertIs(b.parent, None)
        bup = pickle.loads(pickle.dumps(b))
        Vup = bup.V
        vup = Vup[0]
        cup = bup.c
        self.assertIsNot(cup, c)
        self.assertIsNot(vup, v)
        self.assertIsNot(Vup, V)
        self.assertIsNot(bup, b)
        self.assertEqual(len(cup), 1)
        self.assertTrue(vup in cup)
        self.assertIs(vup.parent, Vup)
        self.assertIs(Vup.parent, bup)
        self.assertIs(bup.parent, None)

        self.assertEqual(len(c), 1)
        self.assertTrue(v in c)

    def test_init(self):
        cset = ComponentSet()
        cset = ComponentSet(self._components)
        with self.assertRaises(TypeError):
            cset = ComponentSet(*self._components)

    def test_type(self):
        cset = ComponentSet()
        self.assertTrue(isinstance(cset, collections.Set))
        self.assertTrue(isinstance(cset, collections.MutableSet))
        self.assertTrue(issubclass(type(cset), collections.Set))
        self.assertTrue(issubclass(type(cset), collections.MutableSet))

    def test_str(self):
        cset = ComponentSet()
        self.assertEqual(str(cset), "ComponentSet([])")
        cset.update(self._components)
        str(cset)

    def test_len(self):
        cset = ComponentSet()
        self.assertEqual(len(cset), 0)
        cset.update(self._components)
        self.assertEqual(len(cset), len(self._components))
        cset = ComponentSet(self._components)
        self.assertEqual(len(cset), len(self._components))
        self.assertTrue(len(self._components) > 0)

    def test_iter(self):
        cset = ComponentSet()
        self.assertEqual(list(iter(cset)), [])
        cset.update(self._components)
        ids_seen = set()
        for c in cset:
            ids_seen.add(id(c))
        self.assertEqual(ids_seen, set(id(c) for c in self._components))

    def set_add(self):
        cset = ComponentSet()
        self.assertEqual(len(cset), 0)
        for i, c in enumerate(self._components):
            self.assertTrue(c not in cset)
            cset.add(c)
            self.assertTrue(c in cset)
            self.assertEqual(len(cset), i + 1)
        self.assertEqual(len(cset), len(self._components))
        for c in self._components:
            self.assertTrue(c in cset)
            cset.add(c)
            self.assertTrue(c in cset)
            self.assertEqual(len(cset), len(self._components))

    def test_pop(self):
        cset = ComponentSet()
        self.assertEqual(len(cset), 0)
        with self.assertRaises(KeyError):
            cset.pop()
        v = variable()
        cset.add(v)
        self.assertTrue(v in cset)
        self.assertEqual(len(cset), 1)
        v_ = cset.pop()
        self.assertIs(v, v_)
        self.assertTrue(v not in cset)
        self.assertEqual(len(cset), 0)

    def test_update(self):
        cset = ComponentSet()
        self.assertEqual(len(cset), 0)
        cset.update(self._components)
        self.assertEqual(len(cset), len(self._components))
        for c in self._components:
            self.assertTrue(c in cset)

    def test_clear(self):
        cset = ComponentSet()
        self.assertEqual(len(cset), 0)
        cset.update(self._components)
        self.assertEqual(len(cset), len(self._components))
        cset.clear()
        self.assertEqual(len(cset), 0)

    def test_remove(self):
        cset = ComponentSet()
        self.assertEqual(len(cset), 0)
        cset.update(self._components)
        self.assertEqual(len(cset), len(self._components))
        for i, c in enumerate(self._components):
            cset.remove(c)
            self.assertEqual(len(cset), len(self._components) - (i + 1))
        for c in self._components:
            self.assertTrue(c not in cset)
            with self.assertRaises(KeyError):
                cset.remove(c)

    def test_discard(self):
        cset = ComponentSet()
        self.assertEqual(len(cset), 0)
        cset.update(self._components)
        self.assertEqual(len(cset), len(self._components))
        for i, c in enumerate(self._components):
            cset.discard(c)
            self.assertEqual(len(cset), len(self._components) - (i + 1))
        for c in self._components:
            self.assertTrue(c not in cset)
            cset.discard(c)

    def test_isdisjoint(self):
        cset1 = ComponentSet()
        cset2 = ComponentSet()
        self.assertTrue(cset1.isdisjoint(cset2))
        self.assertTrue(cset2.isdisjoint(cset1))
        v = variable()
        cset1.add(v)
        self.assertTrue(cset1.isdisjoint(cset2))
        self.assertTrue(cset2.isdisjoint(cset1))
        cset2.add(v)
        self.assertFalse(cset1.isdisjoint(cset2))
        self.assertFalse(cset2.isdisjoint(cset1))

    def test_misc_set_ops(self):
        v1 = variable()
        cset1 = ComponentSet([v1])
        v2 = variable()
        cset2 = ComponentSet([v2])
        cset3 = ComponentSet([v1, v2])
        empty = ComponentSet([])
        self.assertEqual(cset1 | cset2, cset3)
        self.assertEqual((cset1 | cset2) - cset3, empty)
        self.assertEqual(cset1 ^ cset2, cset3)
        self.assertEqual(cset1 ^ cset3, cset2)
        self.assertEqual(cset2 ^ cset3, cset1)
        self.assertEqual(cset1 & cset2, empty)
        self.assertEqual(cset1 & cset3, cset1)
        self.assertEqual(cset2 & cset3, cset2)

    def test_eq(self):
        cset1 = ComponentSet()
        self.assertEqual(cset1, set())
        self.assertTrue(cset1 == set())
        self.assertNotEqual(cset1, list())
        self.assertFalse(cset1 == list())
        self.assertNotEqual(cset1, tuple())
        self.assertFalse(cset1 == tuple())
        self.assertNotEqual(cset1, dict())
        self.assertFalse(cset1 == dict())

        cset1.update(self._components)
        self.assertNotEqual(cset1, set())
        self.assertFalse(cset1 == set())
        self.assertNotEqual(cset1, list())
        self.assertFalse(cset1 == list())
        self.assertNotEqual(cset1, tuple())
        self.assertFalse(cset1 == tuple())
        self.assertNotEqual(cset1, dict())
        self.assertFalse(cset1 == dict())

        self.assertTrue(cset1 == cset1)
        self.assertEqual(cset1, cset1)

        cset2 = ComponentSet(self._components)
        self.assertTrue(cset2 == cset1)
        self.assertFalse(cset2 != cset1)
        self.assertEqual(cset2, cset1)
        self.assertTrue(cset1 == cset2)
        self.assertFalse(cset1 != cset2)
        self.assertEqual(cset1, cset2)

        cset2.remove(self._components[0])
        self.assertFalse(cset2 == cset1)
        self.assertTrue(cset2 != cset1)
        self.assertNotEqual(cset2, cset1)
        self.assertFalse(cset1 == cset2)
        self.assertTrue(cset1 != cset2)
        self.assertNotEqual(cset1, cset2)
Exemplo n.º 3
0
    def test_active(self):
        index = list(range(4))
        ctuple = self._container_type(self._ctype_factory() for i in index)
        with self.assertRaises(AttributeError):
            ctuple.active = False
        for c in ctuple:
            with self.assertRaises(AttributeError):
                c.active = False

        model = block()
        model.ctuple = ctuple
        b = block()
        b.model = model
        blist = block_list()
        blist.append(b)
        blist.append(block())
        m = block()
        m.blist = blist

        self.assertEqual(m.active, True)
        self.assertEqual(blist.active, True)
        self.assertEqual(blist[1].active, True)
        self.assertEqual(b.active, True)
        self.assertEqual(model.active, True)
        self.assertEqual(ctuple.active, True)
        for c in ctuple:
            self.assertEqual(c.active, True)
        for c in ctuple.components():
            self.assertEqual(c.active, True)
        for c in ctuple.components(active=True):
            self.assertEqual(c.active, True)
        self.assertEqual(len(list(ctuple.components())), len(ctuple))
        self.assertEqual(len(list(ctuple.components())),
                         len(list(ctuple.components(active=True))))

        m.deactivate(shallow=False)

        self.assertEqual(m.active, False)
        self.assertEqual(blist.active, False)
        self.assertEqual(blist[1].active, False)
        self.assertEqual(b.active, False)
        self.assertEqual(model.active, False)
        self.assertEqual(ctuple.active, False)
        for c in ctuple:
            self.assertEqual(c.active, False)
        self.assertNotEqual(len(list(ctuple.components())),
                            len(list(ctuple.components(active=True))))
        self.assertEqual(len(list(ctuple.components(active=True))), 0)

        test_c = ctuple[0]
        test_c.activate()
        self.assertEqual(m.active, False)
        self.assertEqual(blist.active, False)
        self.assertEqual(blist[1].active, False)
        self.assertEqual(b.active, False)
        self.assertEqual(model.active, False)
        self.assertEqual(ctuple.active, False)
        ctuple.activate()
        self.assertEqual(m.active, False)
        self.assertEqual(blist.active, False)
        self.assertEqual(blist[1].active, False)
        self.assertEqual(b.active, False)
        self.assertEqual(model.active, False)
        self.assertEqual(ctuple.active, True)
        for c in ctuple:
            if c is test_c:
                self.assertEqual(c.active, True)
            else:
                self.assertEqual(c.active, False)
        for c in ctuple.components():
            if c is test_c:
                self.assertEqual(c.active, True)
            else:
                self.assertEqual(c.active, False)
        for c in ctuple.components(active=True):
            self.assertEqual(c.active, True)
        self.assertNotEqual(len(list(ctuple.components())),
                            len(list(ctuple.components(active=True))))
        self.assertEqual(len(list(ctuple.components(active=True))), 1)

        m.activate(shallow=False)

        self.assertEqual(m.active, True)
        self.assertEqual(blist.active, True)
        self.assertEqual(blist[1].active, True)
        self.assertEqual(b.active, True)
        self.assertEqual(model.active, True)
        self.assertEqual(ctuple.active, True)
        for c in ctuple:
            self.assertEqual(c.active, True)
        for c in ctuple.components():
            self.assertEqual(c.active, True)
        for c in ctuple.components(active=True):
            self.assertEqual(c.active, True)
        self.assertEqual(len(list(ctuple.components())), len(ctuple))
        self.assertEqual(len(list(ctuple.components())),
                         len(list(ctuple.components(active=True))))

        m.deactivate(shallow=False)

        self.assertEqual(m.active, False)
        self.assertEqual(blist.active, False)
        self.assertEqual(blist[1].active, False)
        self.assertEqual(b.active, False)
        self.assertEqual(model.active, False)
        self.assertEqual(ctuple.active, False)
        for c in ctuple:
            self.assertEqual(c.active, False)
        self.assertNotEqual(len(list(ctuple.components())),
                            len(list(ctuple.components(active=True))))
        self.assertEqual(len(list(ctuple.components(active=True))), 0)

        ctuple.activate(shallow=False)

        self.assertEqual(m.active, False)
        self.assertEqual(blist.active, False)
        self.assertEqual(blist[1].active, False)
        self.assertEqual(b.active, False)
        self.assertEqual(model.active, False)
        self.assertEqual(ctuple.active, True)
        for i, c in enumerate(ctuple):
            self.assertEqual(c.active, True)
        for c in ctuple.components():
            self.assertEqual(c.active, True)
        for c in ctuple.components(active=True):
            self.assertEqual(c.active, True)
        self.assertEqual(len(list(ctuple.components())), len(ctuple))
        self.assertEqual(len(list(ctuple.components())),
                         len(list(ctuple.components(active=True))))

        ctuple.deactivate(shallow=False)

        self.assertEqual(m.active, False)
        self.assertEqual(blist.active, False)
        self.assertEqual(blist[1].active, False)
        self.assertEqual(b.active, False)
        self.assertEqual(model.active, False)
        self.assertEqual(ctuple.active, False)
        for i, c in enumerate(ctuple):
            self.assertEqual(c.active, False)
        self.assertNotEqual(len(list(ctuple.components())),
                            len(list(ctuple.components(active=True))))
        self.assertEqual(len(list(ctuple.components(active=True))), 0)

        ctuple[-1].activate()

        self.assertEqual(m.active, False)
        self.assertEqual(blist.active, False)
        self.assertEqual(blist[1].active, False)
        self.assertEqual(b.active, False)
        self.assertEqual(model.active, False)
        self.assertEqual(ctuple.active, False)
        ctuple.activate()
        self.assertEqual(m.active, False)
        self.assertEqual(blist.active, False)
        self.assertEqual(blist[1].active, False)
        self.assertEqual(b.active, False)
        self.assertEqual(model.active, False)
        self.assertEqual(ctuple.active, True)
        for i, c in enumerate(ctuple):
            if i == len(ctuple) - 1:
                self.assertEqual(c.active, True)
            else:
                self.assertEqual(c.active, False)
        for i, c in enumerate(ctuple.components()):
            if i == len(ctuple) - 1:
                self.assertEqual(c.active, True)
            else:
                self.assertEqual(c.active, False)
        for c in ctuple.components(active=True):
            self.assertEqual(c.active, True)
        self.assertNotEqual(len(list(ctuple.components())),
                            len(list(ctuple.components(active=True))))
        self.assertEqual(len(list(ctuple.components(active=True))), 1)

        ctuple.deactivate(shallow=False)
        ctuple.activate(shallow=False)

        self.assertEqual(m.active, False)
        self.assertEqual(blist.active, False)
        self.assertEqual(blist[1].active, False)
        self.assertEqual(b.active, False)
        self.assertEqual(model.active, False)
        self.assertEqual(ctuple.active, True)
        for i, c in enumerate(ctuple):
            self.assertEqual(c.active, True)
        for c in ctuple.components():
            self.assertEqual(c.active, True)
        for c in ctuple.components(active=True):
            self.assertEqual(c.active, True)
        self.assertEqual(len(list(ctuple.components())), len(ctuple))
        self.assertEqual(len(list(ctuple.components())),
                         len(list(ctuple.components(active=True))))
Exemplo n.º 4
0
class TestComponentMap(unittest.TestCase):

    _components = [(variable(), "v"), (variable_dict(), "vdict"),
                   (variable_list(), "vlist"), (constraint(), "c"),
                   (constraint_dict(), "cdict"), (constraint_list(), "clist"),
                   (objective(), "o"), (objective_dict(), "odict"),
                   (objective_list(), "olist"), (expression(), "e"),
                   (expression_dict(), "edict"), (expression_list(), "elist"),
                   (block(), "b"), (block_dict(), "bdict"),
                   (block_list(), "blist"), (suffix(), "s")]

    def test_pickle(self):
        c = ComponentMap()
        self.assertEqual(len(c), 0)
        cup = pickle.loads(pickle.dumps(c))
        self.assertIsNot(cup, c)
        self.assertEqual(len(cup), 0)

        v = variable()
        c[v] = 1.0
        self.assertEqual(len(c), 1)
        self.assertEqual(c[v], 1.0)
        cup = pickle.loads(pickle.dumps(c))
        vup = list(cup.keys())[0]
        self.assertIsNot(cup, c)
        self.assertIsNot(vup, v)
        self.assertEqual(len(cup), 1)
        self.assertEqual(cup[vup], 1)
        self.assertEqual(vup.parent, None)

        b = block()
        V = b.V = variable_list()
        b.V.append(v)
        b.c = c
        self.assertEqual(len(c), 1)
        self.assertEqual(c[v], 1.0)
        self.assertIs(v.parent, b.V)
        self.assertIs(V.parent, b)
        self.assertIs(b.parent, None)
        bup = pickle.loads(pickle.dumps(b))
        Vup = bup.V
        vup = Vup[0]
        cup = bup.c
        self.assertIsNot(cup, c)
        self.assertIsNot(vup, v)
        self.assertIsNot(Vup, V)
        self.assertIsNot(bup, b)
        self.assertEqual(len(cup), 1)
        self.assertEqual(cup[vup], 1)
        self.assertIs(vup.parent, Vup)
        self.assertIs(Vup.parent, bup)
        self.assertIs(bup.parent, None)

        self.assertEqual(len(c), 1)
        self.assertEqual(c[v], 1)

    def test_init(self):
        cmap = ComponentMap()
        cmap = ComponentMap(self._components)
        with self.assertRaises(TypeError):
            cmap = ComponentMap(*self._components)

    def test_type(self):
        cmap = ComponentMap()
        self.assertTrue(isinstance(cmap, collections.Mapping))
        self.assertTrue(isinstance(cmap, collections.MutableMapping))
        self.assertTrue(issubclass(type(cmap), collections.Mapping))
        self.assertTrue(issubclass(type(cmap), collections.MutableMapping))

    def test_str(self):
        cmap = ComponentMap()
        self.assertEqual(str(cmap), "ComponentMap({})")
        cmap.update(self._components)
        str(cmap)

    def test_len(self):
        cmap = ComponentMap()
        self.assertEqual(len(cmap), 0)
        cmap.update(self._components)
        self.assertEqual(len(cmap), len(self._components))
        cmap = ComponentMap(self._components)
        self.assertEqual(len(cmap), len(self._components))
        self.assertTrue(len(self._components) > 0)

    def test_getsetdelitem(self):
        cmap = ComponentMap()
        for c, val in self._components:
            self.assertTrue(c not in cmap)
        for c, val in self._components:
            cmap[c] = val
            self.assertEqual(cmap[c], val)
            self.assertEqual(cmap.get(c), val)
            del cmap[c]
            with self.assertRaises(KeyError):
                cmap[c]
            with self.assertRaises(KeyError):
                del cmap[c]
            self.assertEqual(cmap.get(c), None)

    def test_iter(self):
        cmap = ComponentMap()
        self.assertEqual(list(iter(cmap)), [])
        cmap.update(self._components)
        ids_seen = set()
        for c in cmap:
            ids_seen.add(id(c))
        self.assertEqual(ids_seen, set(id(c) for c, val in self._components))

    def test_keys(self):
        cmap = ComponentMap(self._components)
        self.assertEqual(
            sorted(cmap.keys(), key=id),
            sorted(list(c for c, val in self._components), key=id))

    def test_values(self):
        cmap = ComponentMap(self._components)
        self.assertEqual(sorted(cmap.values()),
                         sorted(list(val for c, val in self._components)))

    def test_items(self):
        cmap = ComponentMap(self._components)
        for x in cmap.items():
            self.assertEqual(type(x), tuple)
            self.assertEqual(len(x), 2)
        self.assertEqual(
            sorted(cmap.items(), key=lambda _x: (id(_x[0]), _x[1])),
            sorted(self._components, key=lambda _x: (id(_x[0]), _x[1])))

    def test_update(self):
        cmap = ComponentMap()
        self.assertEqual(len(cmap), 0)
        cmap.update(self._components)
        self.assertEqual(len(cmap), len(self._components))
        for c, val in self._components:
            self.assertEqual(cmap[c], val)

    def test_clear(self):
        cmap = ComponentMap()
        self.assertEqual(len(cmap), 0)
        cmap.update(self._components)
        self.assertEqual(len(cmap), len(self._components))
        cmap.clear()
        self.assertEqual(len(cmap), 0)

    def test_setdefault(self):
        cmap = ComponentMap()
        for c, _ in self._components:
            with self.assertRaises(KeyError):
                cmap[c]
            self.assertTrue(c not in cmap)
            cmap.setdefault(c, []).append(1)
            self.assertEqual(cmap[c], [1])
            del cmap[c]
            with self.assertRaises(KeyError):
                cmap[c]
            self.assertTrue(c not in cmap)
            cmap[c] = []
            cmap.setdefault(c, []).append(1)
            self.assertEqual(cmap[c], [1])

    def test_eq(self):
        cmap1 = ComponentMap()
        self.assertNotEqual(cmap1, set())
        self.assertFalse(cmap1 == set())
        self.assertNotEqual(cmap1, list())
        self.assertFalse(cmap1 == list())
        self.assertNotEqual(cmap1, tuple())
        self.assertFalse(cmap1 == tuple())
        self.assertEqual(cmap1, dict())
        self.assertTrue(cmap1 == dict())

        cmap1.update(self._components)
        self.assertNotEqual(cmap1, set())
        self.assertFalse(cmap1 == set())
        self.assertNotEqual(cmap1, list())
        self.assertFalse(cmap1 == list())
        self.assertNotEqual(cmap1, tuple())
        self.assertFalse(cmap1 == tuple())
        self.assertNotEqual(cmap1, dict())
        self.assertFalse(cmap1 == dict())

        self.assertTrue(cmap1 == cmap1)
        self.assertEqual(cmap1, cmap1)

        cmap2 = ComponentMap(self._components)
        self.assertTrue(cmap2 == cmap1)
        self.assertFalse(cmap2 != cmap1)
        self.assertEqual(cmap2, cmap1)
        self.assertTrue(cmap1 == cmap2)
        self.assertFalse(cmap1 != cmap2)
        self.assertEqual(cmap1, cmap2)

        del cmap2[self._components[0][0]]
        self.assertFalse(cmap2 == cmap1)
        self.assertTrue(cmap2 != cmap1)
        self.assertNotEqual(cmap2, cmap1)
        self.assertFalse(cmap1 == cmap2)
        self.assertTrue(cmap1 != cmap2)
        self.assertNotEqual(cmap1, cmap2)
Exemplo n.º 5
0
    def test_name(self):
        children = [self._ctype_factory() for i in range(5)]
        children.append(self._container_type([self._ctype_factory()]))

        for c in children:
            self.assertTrue(c.parent is None)
            self.assertTrue(c.parent_block is None)
            if isinstance(c, IBlockStorage):
                self.assertTrue(c.root_block is c)
            else:
                self.assertTrue(c.root_block is None)
            self.assertEqual(c.local_name, None)
            self.assertEqual(c.name, None)

        ctuple = self._container_type(children)
        self.assertTrue(ctuple.parent is None)
        self.assertTrue(ctuple.parent_block is None)
        self.assertTrue(ctuple.root_block is None)
        self.assertEqual(ctuple.local_name, None)
        self.assertEqual(ctuple.name, None)
        names = ctuple.generate_names()
        for i, c in enumerate(children):
            self.assertTrue(c.parent is ctuple)
            self.assertTrue(c.parent_block is None)
            if isinstance(c, IBlockStorage):
                self.assertTrue(c.root_block is c)
            else:
                self.assertTrue(c.root_block is None)
            self.assertEqual(c.local_name, "[%s]" % (i))
            self.assertEqual(c.name, "[%s]" % (i))
            self.assertEqual(c.name, names[c])
        for c in ctuple.components():
            self.assertNotEqual(c.name, None)
            self.assertEqual(c.name, names[c])

        model = block()
        model.ctuple = ctuple
        self.assertTrue(model.parent is None)
        self.assertTrue(model.parent_block is None)
        self.assertTrue(model.root_block is model)
        self.assertTrue(ctuple.parent is model)
        self.assertTrue(ctuple.parent_block is model)
        self.assertTrue(ctuple.root_block is model)
        self.assertEqual(ctuple.local_name, "ctuple")
        self.assertEqual(ctuple.name, "ctuple")
        names = model.generate_names()
        for i, c in enumerate(children):
            self.assertTrue(c.parent is ctuple)
            self.assertTrue(c.parent_block is model)
            self.assertTrue(c.root_block is model)
            self.assertEqual(c.local_name, "[%s]" % (i))
            self.assertEqual(c.name, "ctuple[%s]" % (i))
            self.assertEqual(c.name, names[c])
        for c in ctuple.components():
            self.assertNotEqual(c.name, None)
            self.assertEqual(c.name, names[c])

        b = block()
        b.model = model
        self.assertTrue(b.parent is None)
        self.assertTrue(b.parent_block is None)
        self.assertTrue(b.root_block is b)
        self.assertTrue(model.parent is b)
        self.assertTrue(model.parent_block is b)
        self.assertTrue(model.root_block is b)
        self.assertTrue(ctuple.parent is model)
        self.assertTrue(ctuple.parent_block is model)
        self.assertTrue(ctuple.root_block is b)
        self.assertEqual(ctuple.local_name, "ctuple")
        self.assertEqual(ctuple.name, "model.ctuple")
        names = b.generate_names()
        for i, c in enumerate(children):
            self.assertTrue(c.parent is ctuple)
            self.assertTrue(c.parent_block is model)
            self.assertTrue(c.root_block is b)
            self.assertEqual(c.local_name, "[%s]" % (i))
            self.assertEqual(c.name, "model.ctuple[%s]" % (i))
            self.assertEqual(c.name, names[c])
        for c in ctuple.components():
            self.assertNotEqual(c.name, None)
            self.assertEqual(c.name, names[c])

        blist = block_list()
        blist.append(b)
        self.assertTrue(blist.parent is None)
        self.assertTrue(blist.parent_block is None)
        self.assertTrue(blist.root_block is None)
        self.assertTrue(b.parent is blist)
        self.assertTrue(b.parent_block is None)
        self.assertTrue(b.root_block is b)
        self.assertTrue(model.parent is b)
        self.assertTrue(model.parent_block is b)
        self.assertTrue(model.root_block is b)
        self.assertTrue(ctuple.parent is model)
        self.assertTrue(ctuple.parent_block is model)
        self.assertTrue(ctuple.root_block is b)
        self.assertEqual(ctuple.local_name, "ctuple")
        self.assertEqual(ctuple.name, "[0].model.ctuple")
        for i, c in enumerate(children):
            self.assertTrue(c.parent is ctuple)
            self.assertTrue(c.parent_block is model)
            self.assertTrue(c.root_block is b)
            self.assertEqual(c.local_name, "[%s]" % (i))
            self.assertEqual(c.name, "[0].model.ctuple[%s]" % (i))

        m = block()
        m.blist = blist
        self.assertTrue(m.parent is None)
        self.assertTrue(m.parent_block is None)
        self.assertTrue(m.root_block is m)
        self.assertTrue(blist.parent is m)
        self.assertTrue(blist.parent_block is m)
        self.assertTrue(blist.root_block is m)
        self.assertTrue(b.parent is blist)
        self.assertTrue(b.parent_block is m)
        self.assertTrue(b.root_block is m)
        self.assertTrue(model.parent is b)
        self.assertTrue(model.parent_block is b)
        self.assertTrue(model.root_block is m)
        self.assertTrue(ctuple.parent is model)
        self.assertTrue(ctuple.parent_block is model)
        self.assertTrue(ctuple.root_block is m)
        self.assertEqual(ctuple.local_name, "ctuple")
        self.assertEqual(ctuple.name, "blist[0].model.ctuple")
        names = m.generate_names()
        for i, c in enumerate(children):
            self.assertTrue(c.parent is ctuple)
            self.assertTrue(c.parent_block is model)
            self.assertTrue(c.root_block is m)
            self.assertEqual(c.local_name, "[%s]" % (i))
            self.assertEqual(c.name, "blist[0].model.ctuple[%s]" % (i))
            self.assertEqual(c.name, names[c])
        for c in ctuple.components():
            self.assertNotEqual(c.name, None)
            self.assertEqual(c.name, names[c])
        names = m.generate_names(descend_into=False)
        self.assertEqual(len(names), len(list(m.children())))
        for c in m.children():
            self.assertEqual(c.name, names[c])