def test_update():
s = Store()
dsk = {'x': 1, 'y': (inc, 'x')}
s.update(dsk)
assert s['y'] == 2
assert raises(Exception, lambda: s.update({'x': 2}))
assert not raises(Exception, lambda: s.update({'x': 1}))
def test_basic():
s = Store()
s['x'] = 1
s['y'] = (inc, 'x')
s['z'] = (add, 'x', 'y')
assert s.data == set(['x'])
assert s['z'] == 3
assert 'x' in s.data
assert s.cache['z'] == 3
assert s.cache['y'] == 2
assert len(s.access_times['z']) == 1
assert len(s.access_times['y']) == 1
assert len(s.access_times['x']) == 2
assert s.compute_time['z'] < 0.1
cache = s.cache.copy()
assert s['z'] == 3
assert s.cache == cache
assert len(s.access_times['z']) == 2
assert len(s.access_times['y']) == 1
assert len(s.access_times['x']) == 2
assert s[5] == 5
assert list(s[['x', 'y']]) == [s['x'], s['y']]
def reassign():
s['x'] = 2
pytest.raises(Exception, reassign)
def test_update():
s = Store()
dsk = {'x': 1, 'y': (inc, 'x')}
s.update(dsk)
assert s['y'] == 2
pytest.raises(Exception, lambda: s.update({'x': 2}))
# Test that it doesn't raise
s.update({'x': 1})
def test_update():
s = Store()
dsk = {'x': 1, 'y': (inc, 'x')}
s.update(dsk)
assert s['y'] == 2
assert raises(Exception, lambda: s.update({'x': 2}))
assert not raises(Exception, lambda: s.update({'x': 1}))
def test_update():
s = Store()
dsk = {'x': 1, 'y': (inc, 'x')}
s.update(dsk)
assert s['y'] == 2
pytest.raises(Exception, lambda: s.update({'x': 2}))
# Test that it doesn't raise
s.update({'x': 1})