Python whats_changed Examples

Example #1

File: test_diff.py Project: robertwb/dill

    pass

a = A()
b = A()
c = A()
a.a = b
b.a = c
diff.memorise(a)
assert not diff.has_changed(a)
c.a = 1
assert diff.has_changed(a)
diff.memorise(c, force=True)
assert not diff.has_changed(a)
c.a = 2
assert diff.has_changed(a)
changed = diff.whats_changed(a)
assert list(changed[0].keys()) == ["a"]
assert not changed[1]

a2 = []
b2 = [a2]
c2 = [b2]
diff.memorise(c2)
assert not diff.has_changed(c2)
a2.append(1)
assert diff.has_changed(c2)
changed = diff.whats_changed(c2)
assert changed[0] == {}
assert changed[1]

a3 = {}

Example #2

    pass

a = A()
b = A()
c = A()
a.a = b
b.a = c
diff.memorise(a)
assert not diff.has_changed(a)
c.a = 1
assert diff.has_changed(a)
diff.memorise(c, force=True)
assert not diff.has_changed(a)
c.a = 2
assert diff.has_changed(a)
changed = diff.whats_changed(a)
assert list(changed[0].keys()) == ["a"]
assert not changed[1]

a2 = []
b2 = [a2]
c2 = [b2]
diff.memorise(c2)
assert not diff.has_changed(c2)
a2.append(1)
assert diff.has_changed(c2)
changed = diff.whats_changed(c2)
assert changed[0] == {}
assert changed[1]

a3 = {}

Example #3

File: test_diff.py Project: Shelna-GCP/SentinelToEVI-dataflow

def test_diff():
    a = A()
    b = A()
    c = A()
    a.a = b
    b.a = c
    diff.memorise(a)
    assert not diff.has_changed(a)
    c.a = 1
    assert diff.has_changed(a)
    diff.memorise(c, force=True)
    assert not diff.has_changed(a)
    c.a = 2
    assert diff.has_changed(a)
    changed = diff.whats_changed(a)
    assert list(changed[0].keys()) == ["a"]
    assert not changed[1]

    a2 = []
    b2 = [a2]
    c2 = [b2]
    diff.memorise(c2)
    assert not diff.has_changed(c2)
    a2.append(1)
    assert diff.has_changed(c2)
    changed = diff.whats_changed(c2)
    assert changed[0] == {}
    assert changed[1]

    a3 = {}
    b3 = {1: a3}
    c3 = {1: b3}
    diff.memorise(c3)
    assert not diff.has_changed(c3)
    a3[1] = 1
    assert diff.has_changed(c3)
    changed = diff.whats_changed(c3)
    assert changed[0] == {}
    assert changed[1]

    if not IS_PYPY:
        try:
            import abc
            # make sure the "_abc_invaldation_counter" doesn't make test fail
            diff.memorise(abc.ABCMeta, force=True)
            assert not diff.has_changed(abc)
            abc.ABCMeta.zzz = 1
            assert diff.has_changed(abc)
            changed = diff.whats_changed(abc)
            assert list(changed[0].keys()) == ["ABCMeta"]
            assert not changed[1]
        except ImportError:
            pass
    '''
    import Queue
    diff.memorise(Queue, force=True)
    assert not diff.has_changed(Queue)
    Queue.Queue.zzz = 1
    assert diff.has_changed(Queue)
    changed = diff.whats_changed(Queue)
    assert list(changed[0].keys()) == ["Queue"]
    assert not changed[1]

    import math
    diff.memorise(math, force=True)
    assert not diff.has_changed(math)
    math.zzz = 1
    assert diff.has_changed(math)
    changed = diff.whats_changed(math)
    assert list(changed[0].keys()) == ["zzz"]
    assert not changed[1]
    '''

    a = A()
    b = A()
    c = A()
    a.a = b
    b.a = c
    diff.memorise(a)
    assert not diff.has_changed(a)
    c.a = 1
    assert diff.has_changed(a)
    diff.memorise(c, force=True)
    assert not diff.has_changed(a)
    del c.a
    assert diff.has_changed(a)
    changed = diff.whats_changed(a)
    assert list(changed[0].keys()) == ["a"]
    assert not changed[1]

Example #4

File: test_diff.py Project: uqfoundation/dill

def test_diff():
    a = A()
    b = A()
    c = A()
    a.a = b
    b.a = c
    diff.memorise(a)
    assert not diff.has_changed(a)
    c.a = 1
    assert diff.has_changed(a)
    diff.memorise(c, force=True)
    assert not diff.has_changed(a)
    c.a = 2
    assert diff.has_changed(a)
    changed = diff.whats_changed(a)
    assert list(changed[0].keys()) == ["a"]
    assert not changed[1]

    a2 = []
    b2 = [a2]
    c2 = [b2]
    diff.memorise(c2)
    assert not diff.has_changed(c2)
    a2.append(1)
    assert diff.has_changed(c2)
    changed = diff.whats_changed(c2)
    assert changed[0] == {}
    assert changed[1]

    a3 = {}
    b3 = {1: a3}
    c3 = {1: b3}
    diff.memorise(c3)
    assert not diff.has_changed(c3)
    a3[1] = 1
    assert diff.has_changed(c3)
    changed = diff.whats_changed(c3)
    assert changed[0] == {}
    assert changed[1]

    if not IS_PYPY:
        try:
            import abc
            # make sure the "_abc_invaldation_counter" doesn't make test fail
            diff.memorise(abc.ABCMeta, force=True)
            assert not diff.has_changed(abc)
            abc.ABCMeta.zzz = 1
            assert diff.has_changed(abc)
            changed = diff.whats_changed(abc)
            assert list(changed[0].keys()) == ["ABCMeta"]
            assert not changed[1]
        except ImportError:
            pass

    '''
    import Queue
    diff.memorise(Queue, force=True)
    assert not diff.has_changed(Queue)
    Queue.Queue.zzz = 1
    assert diff.has_changed(Queue)
    changed = diff.whats_changed(Queue)
    assert list(changed[0].keys()) == ["Queue"]
    assert not changed[1]

    import math
    diff.memorise(math, force=True)
    assert not diff.has_changed(math)
    math.zzz = 1
    assert diff.has_changed(math)
    changed = diff.whats_changed(math)
    assert list(changed[0].keys()) == ["zzz"]
    assert not changed[1]
    '''

    a = A()
    b = A()
    c = A()
    a.a = b
    b.a = c
    diff.memorise(a)
    assert not diff.has_changed(a)
    c.a = 1
    assert diff.has_changed(a)
    diff.memorise(c, force=True)
    assert not diff.has_changed(a)
    del c.a
    assert diff.has_changed(a)
    changed = diff.whats_changed(a)
    assert list(changed[0].keys()) == ["a"]
    assert not changed[1]