def test_context_update(spf):
context = ContextDict(spf, None)
child_context = context.create_child_context()
context['t1'] = "hello world"
child_context['t2'] = "hello2"
assert child_context['t1'] == "hello world"
child_context.update({'t1': "test1", 't2': "test2"})
assert context['t1'] == "test1"
assert child_context['t2'] == "test2"
def test_context_replace(spf):
context = ContextDict(spf, None)
child_context = context.create_child_context()
context['t1'] = "hello world"
assert child_context['t1'] == "hello world"
child_context['t1'] = "goodbye world"
assert context['t1'] != "goodbye world"
del(child_context['t1'])
child_context.replace('t1', 'goodbye world')
assert context['t1'] == "goodbye world"
def test_context_pickle(spf):
context = ContextDict(spf, None)
child_context = context.create_child_context()
child_context['t1'] = "hello world"
p_bytes = pickle.dumps(child_context)
un_p = pickle.loads(p_bytes)
# the spf and the parent context are not the same as before, because
# their state got pickled and unpicked too
assert un_p._spf != spf
assert un_p._parent_context != context
assert un_p['t1'] == "hello world"
def test_recursive_dict(spf):
context = ContextDict(spf, None)
context['t1'] = "hello world"
c2 = context.create_child_context()
c2['t2'] = "hello 2"
c3 = c2.create_child_context()
c3['t3'] = "hello 3"
context._parent_context = c3 # This is dodgy, why would anyone do this?
exceptions = []
try:
_ = c2['t4']
except RuntimeError as e:
assert len(e.args) > 0
assert "recursive" in str(e.args[0]).lower()
exceptions.append(e)
finally:
assert len(exceptions) == 1