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from guppy.heapy.test import support

class TestCase(support.TestCase):
    def setUp(self):
        support.TestCase.setUp(self)
        self.sets = self.guppy.sets
        heapdefs = getattr(self.sets.setsc, '_NyHeapDefs_'),
        self.root = []
        self.heapyc = self.guppy.heapy.heapyc
        self.hv = self.heapyc.HeapView(self.root, heapdefs)
        self.nodeset = self.sets.immnodeset
        self.mutnodeset = self.sets.mutnodeset
        self.nodegraph = self.heapyc.NodeGraph

class TestHeapView(TestCase):
    def test_hiding_tag(self):
        hiding_tag = self.hv._hiding_tag_

a = []
        ns = self.mutnodeset([a])
        ng = self.nodegraph([(a, a)])

self.aseq(self.hv.relimg([ns]), self.nodeset([a]))
        self.aseq(self.hv.relimg([ng]), self.nodeset([a]))

ns._hiding_tag_ = hiding_tag
        self.aseq(self.hv.relimg([ns]), self.nodeset([]))

ng._hiding_tag_ = hiding_tag
        self.aseq(self.hv.relimg([ng]), self.nodeset([]))

self.hv._hiding_tag_ = []

self.aseq(self.hv.relimg([ns]), self.nodeset([a, None]))
        self.aseq(self.hv.relimg([ng]), self.nodeset([a, None]))

def test_inheritance_from_heapview(self):
        # I am not using inheritance from HeapView,
        # but it would be kinda weird if it didn't work.

HeapView = self.guppy.heapy.heapyc.HeapView
        x = 'x'
        newroot = [x]

class HV(HeapView):
            def __new__(self):
                return HeapView.__new__(HV, newroot, ())

hv = HV()
        assert hv.heap() == self.nodeset([x, newroot])

def test_inheritance_from_special_types(self):
        # Test that relate, size & traverse function correctly for inherited types
        # as discussed in Notes Apr 14 2005.
        # Testing with a standard type (list) with specially size and relate definitions,
        # and a heapdef'd type (mutnodeset) with size, relate and traverse defs.
        # Test includes more than 1 level of inheritance, since the generic
        # method needs to go over all bases and not just the (first) base.

hv = self.hv
        hv._hiding_tag_ = []    # Different from default nodeset's hiding_tag
        immnodeset = self.sets.immnodeset
        mutnodeset = self.sets.mutnodeset

for base in (list, mutnodeset):

class T(base):
                __slots__ = 't',

class U(T):
                __slots__ = 'u',

a = base()
            t = T()
            t.t = []
            u = U()
            u.t = []
            u.u = []
            data = list(range(16))
            for x in data:
                a.append(x)
                t.append(x)
                u.append(x)

# Test size

za = hv.indisize_sum([a])
            zt = hv.indisize_sum([t])
            zu = hv.indisize_sum([u])

self.assertTrue(za < zt < zu)

# Test traverse

self.aseq(hv.relimg([a]), immnodeset(data))
            self.aseq(hv.relimg([t]), immnodeset(data+[T, t.t]))
            self.aseq(hv.relimg([u]), immnodeset(data+[U, u.t, u.u]))

# Test relate

def rel(src, tgt):
                r = hv.relate(src, tgt)
                self.assertTrue(r != ((),)*len(r))
                return r

self.aseq(rel(t, data[1]), rel(a, data[1]))
            self.aseq(rel(u, data[1]), rel(a, data[1]))
            self.aseq(rel(u, u.t), rel(t, t.t))
            rel(u, u.u)

def test_nodeset_circularity(self):
        # The traversal to function correctly for types inherited from nodeset
        # required a fix as discussed in Notes Apr 14 2005.
        # This method intends to test that this fix was harmless wrt gc & circularity.
        # To make this method fail, it was necessary to disable nodeset gc traversal.

# xxx It seems I have not yet come around to write this test...
        pass

def test_registered_hiding(self):
        hv = self.hv

class Set(object):
            __slots__ = 'some', '_hiding_tag_', 'other'

class Der(Set):
            pass

hv.register__hiding_tag__type(Set)

# Der is inherited and registration follows its base type.

s = Set()
        d = Der()
        t = Set()
        some = []
        other = []
        dother = []
        s.some = some
        s.other = other
        d.some = some
        d.other = dother
        self.root.append([s, t, d])
        self.root.append(s)
        self.root.append(d)
        self.root.append(t)

x = hv.heap()
        assert dother in x
        assert some in x
        assert other in x

assert s in x
        assert d in x
        assert t in x

s._hiding_tag_ = hv._hiding_tag_
        d._hiding_tag_ = hv._hiding_tag_

x = hv.heap()
        assert some not in x
        assert other not in x

assert s not in x
        assert d not in x
        assert t in x

he = []
        hv._hiding_tag_ = he

x = hv.heap()
        assert dother in x
        assert some in x
        assert other in x

assert s in x
        assert d in x
        assert t in x

def test_timing(self):
        # Test some timing aspects of heap traversal

from time import process_time as clock
        hv = self.hv

d = []
        h = [d]

self.root.extend(100000*[h])
        self.root.extend(list(range(100000)))

start = clock()

x = hv.heap()

elapsed0 = clock() - start
        print('elapsed0', elapsed0, 'len(x)', len(x))

class Set(object):
            __slots__ = 'some', '_hiding_tag_', 'other'

class Der(Set):
            pass

hv.register__hiding_tag__type(Set)

s = Set()
        s._hiding_tag_ = hv._hiding_tag_
        d = Der()
        d._hiding_tag_ = hv._hiding_tag_
        self.root[0:50000] = 25000*[s, d]

start = clock()

x = hv.heap()

elapsed1 = clock() - start
        print('elapsed1', elapsed1, 'len(x)', len(x))

# This has failed a couple of times so I remove it now, (apr 5 2008)
        # xxx should look into this later ...
        #self.assert_(elapsed1 < 3.0 * elapsed0)

class TestLeak(support.TestCase):

def test_1(self):
        import gc
        from sys import getrefcount as grc

support.TestCase.setUp(self)
        sets = self.guppy.sets
        heapdefs = getattr(sets.setsc, '_NyHeapDefs_'),
        root = []
        heapyc = self.guppy.heapy.heapyc
        nodeset = sets.mutnodeset
        nodegraph = heapyc.NodeGraph

class T(object):
            __slots__ = 'a', '_hiding_tag_', 'tonly'
            pass

class U(T):
            __slots__ = 'b',
            pass

class V(object):
            __slots__ = 'c',

gc.collect()

ns = nodeset()
        a = [ns]
        a.append(a)
        b = []
        he = []
        c = []
        t = T()
        tonly = []

t.a = a
        t._hiding_tag_ = he
        t.tonly = tonly

u = U()
        u.a = a
        u._hiding_tag_ = he
        u.b = b

v = V()
        v.c = c

a = [x for x in [list]]

li = [he, a, b, c, t, u, v, T, U, V, ns, nodeset, list]
        rcli0 = [grc(x) for x in li]

ns |= li + list(range(10000, 10010))
        root.extend(li)

rcli = [grc(x) for x in li]

rec = nodeset([x for x in li])
        x = None

rec.append(rec)
        ns.add(rec)
        rec._hiding_tag_ = rec

hv = heapyc.HeapView(root, heapdefs)
        hv.register__hiding_tag__type(T)
        h = hv.heap()
        assert a in h
        assert c in h
        assert tonly in h
        hv._hiding_tag_ = he
        h = hv.heap()
        del x
        del h
        del hv

ns.discard(rec)
        rec = None
        gc.collect()

nrcli = [grc(x) for x in li]
        self.aseq(rcli, nrcli)

root[:] = []
        ns.clear()

nrcli0 = [grc(x) for x in li]

self.aseq(rcli0, nrcli0)

def test_weaky(self):
        # Test that the extra-type information in heapview
        # will still allow types to come, be used, and go, and be collected
        # This depends on that they are weakly-referenced
        # so internal heapview structures can remove them when they are
        # to be collected.

import gc
        from sys import getrefcount as grc

support.TestCase.setUp(self)
        sets = self.guppy.sets
        heapdefs = getattr(sets.setsc, '_NyHeapDefs_'),
        root = []
        heapyc = self.guppy.heapy.heapyc
        nodeset = sets.NodeSet
        nodegraph = heapyc.NodeGraph

gc.collect()

probe = []
        rcprobe = grc(probe)

class T(object):
            x = probe

class U(T):
            pass
        T.U = U  # Make circular dependency
        t = T()
        u = U()

root.append(t)
        root.append(u)

hv = heapyc.HeapView(root, heapdefs)
        x = hv.heap()
        assert t in x
        x = None

T = t = U = u = None
        root[:] = []

gc.collect()    # 2 collections needed sometimes? Note Apr 15 2005

nrcprobe = grc(probe)

self.aseq(nrcprobe, rcprobe)

class TestNodeGraph(TestCase):
    def test_constructor_and_methods(self):

# Test constructor w no arg
        ng = self.nodegraph()
        # Test add_edge
        ng.add_edge(1, 2)
        # Test add_edges_n1
        ng.add_edges_n1([3, 4], 5)
        lng = list(ng)
        lng.sort()
        assert lng == [(1, 2), (3, 5), (4, 5)]
        # Test as_flat_list
        fl = ng.as_flat_list()
        fl.sort()
        assert fl == [1, 2, 3, 4, 5, 5]
        # Test copy
        cp = ng.copy()
        cp.add_edge(5, 6)
        # Test __iter__ explicitly
        lng1 = list(ng.__iter__())
        lng1.sort()
        assert lng1 == lng
        lcp = list(cp)
        lcp.sort()
        assert lcp == [(1, 2), (3, 5), (4, 5), (5, 6)]

# Test domain_covers
        assert ng.domain_covers([1, 3, 4])
        assert not ng.domain_covers([1, 3, 4, 5])

# Test domain_restricted
        rng = ng.domain_restricted([1, 3])
        # Test get_domain
        assert rng.get_domain() == self.nodeset([1, 3])
        lrng = list(rng)
        lrng.sort()
        assert lrng == [(1, 2), (3, 5)]
        # Test get_range
        assert rng.get_range() == self.nodeset([2, 5])
        # Test invert
        rng.invert()
        lrng = list(rng)
        lrng.sort()
        assert lrng == [(2, 1), (5, 3)]
        # Test inverted
        ing = ng.inverted()
        ling = list(ing)
        ling.sort()
        assert ling == [(2, 1), (5, 3), (5, 4)]
        # Test relimg
        assert ing.relimg([2]) == self.nodeset([1])
        assert ing.relimg([2, 5, 3]) == self.nodeset([1, 3, 4])
        # Test update
        ing.update([(3, 7), (4, 8)])
        assert ing.relimg([2, 5, 3]) == self.nodeset([1, 3, 4, 7])
        # Test updated
        uing = ing.updated([(2, 9)])
        assert ing.relimg([2, 5, 3]) == self.nodeset([1, 3, 4, 7])
        assert uing.relimg([2, 5, 3]) == self.nodeset([1, 3, 4, 7, 9])

# Test __getitem__
        tgts = list(uing[2])
        tgts.sort()
        assert tgts == [1, 9]
        # Test __len__
        assert len(uing) == 6
        uing[2] = (2, 8)
        # Test __setitem__
        tgts = list(uing[2])
        tgts.sort()
        assert tgts == [2, 8]

# Test clear
        ng.clear()
        assert list(ng) == []

# Test constructor with iterable

ng = self.nodegraph([(1, 2)])
        assert list(ng) == [(1, 2)]
        assert not ng.is_mapping

# Test constructor with is_mapping flag

ng = self.nodegraph(is_mapping=True)
        assert ng.is_mapping
        assert list(ng) == []
        ng.add_edge(1, 2)
        assert list(ng) == [(1, 2)]
        assert ng[1] == 2

ng = self.nodegraph(is_mapping=False)
        assert not ng.is_mapping

# Test constructor with iterable & is_mapping flag

for ng in (self.nodegraph([(1, 2)], True),
                   self.nodegraph(iterable=[(1, 2)], is_mapping=True),
                   self.nodegraph([(1, 2)], is_mapping=True),
                   self.nodegraph(is_mapping=True, iterable=[(1, 2)])
                   ):
            assert ng.is_mapping
            assert list(ng) == [(1, 2)]
            assert ng[1] == 2
            ng[1] = 3
            assert ng[1] == 3

# Test is_sorted flag
        # though this behaviour is not fixed - may change with implementation
        ng = self.nodegraph()
        ng.add_edge(1, 2)
        ng.add_edge(2, 1)
        assert not ng.is_sorted
        ng[1]
        assert ng.is_sorted

def test_inheritance(self):
        class T(self.heapyc.NodeGraph):
            __slots__ = 'x'

def as_sorted_list(self):
                a = list(self)
                a.sort()
                return a

t = T()
        t.add_edge(1, 2)
        t.add_edge(2, 3)
        assert t.as_sorted_list() == [(1, 2), (2, 3)]

t = T([(4, 5), (6, 7)])
        assert t.as_sorted_list() == [(4, 5), (6, 7)]

# Test that the base type functionality has been inherited
        #  by making test_constructor_and_methods think NodeGraph is T
        self.nodegraph = T
        self.test_constructor_and_methods()

# Test with a constructor with new argument
        # and some more attributes

class R(T):
            __slots__ = 'stop',

def __new__(self, stop):
                r = T.__new__(R, is_mapping=1)
                r.add_edges_n1(list(range(stop)), 0)
                r.stop = stop
                return r

def keys(self):
                return list(self.get_domain())

def values(self):
                return [self[k] for k in list(self.keys())]

r = R(10)
        assert r.stop == 10
        assert r.is_mapping
        lr = list(r)
        lr.sort()
        assert lr[-2:] == [(8, 0), (9, 0)]

keys = list(r.keys())
        keys.sort()
        assert keys == list(range(10))
        values = list(r.values())
        assert values == [0]*10

class TestClassifiers(TestCase):
    # Some new standalone classifiers tests.
    # Some old are also tested via test_Classifiers.

def test_inrel(self):
        def str_inrel(c):
            c = list(c)
            c.sort()
            return ', '.join(['(%s, %r)' % (x.kind, x.relator) for x in c])

hv = self.hv
        rg = self.nodegraph()
        x = []
        y = [x]
        rg.add_edge(x, y)
        cli = hv.cli_inrel(rg, {}, {})
        c = cli.classify(x)
        self.aseq(str_inrel(c), '(2, 0)')

for i in range(5):
            y.append(x)
        c = cli.classify(x)
        self.aseq(str_inrel(c), '(2, 0), (2, 1), (2, 2), (2, 3), (2, 4), (2, 5)')

for i in range(5):
            r = {str(i): x}
            rg.add_edge(x, r)
        c = cli.classify(x)

def test_nodetuple_richcompare(self):
        hv = self.hv

cli = hv.cli_and((hv.cli_id(),), {})

a, b = cli.classify(1), cli.classify(2)

self.assertTrue(a != b)
        self.assertFalse(a == b)
        self.assertTrue(a >= b or a <= b)
        self.assertFalse(a >= b and a <= b)
        self.assertTrue(a > b or a < b)
        self.assertFalse(a > b and a < b)

a, b = cli.classify(1), cli.classify(1)

self.assertFalse(a != b)
        self.assertTrue(a == b)
        self.assertTrue(a >= b or a <= b)
        self.assertTrue(a >= b and a <= b)
        self.assertFalse(a > b or a < b)
        self.assertFalse(a > b and a < b)

def test_main(debug=False):
    support.run_unittest(TestClassifiers, debug)
    support.run_unittest(TestNodeGraph, debug)
    support.run_unittest(TestLeak, debug)
    support.run_unittest(TestHeapView, debug)

if __name__ == "__main__":
    test_main()

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