def test_nested_sequence_persistence1():
# Test writing a nested pulse sequence to a ConfigObj.
root = RootSequence()
context = BaseContext()
root.context = context
root.external_vars = {'a': 1.5}
pulse1 = Pulse(def_1='1.0', def_2='{a}')
pulse2 = Pulse(def_1='{a} + 1.0', def_2='3.0')
pulse3 = Pulse(def_1='{2_stop} + 0.5', def_2='10',
kind='Analogical', shape=SquareShape())
seq = Sequence(items=[Pulse(def_1='{2_stop} + 0.5', def_2='10',
kind='Analogical', shape=SquareShape())])
root.items.extend([pulse1, pulse2, pulse3, seq])
pref = root.preferences_from_members()
assert_items_equal(pref.keys(),
['name', 'local_vars', 'time_constrained',
'enabled', 'item_class', 'sequence_duration',
'item_0', 'item_1', 'item_2', 'item_3',
'context', 'def_1', 'def_2', 'def_mode',
'external_vars'])
assert_items_equal(pref['item_3'].keys(),
['item_class', 'enabled', 'name', 'item_0',
'def_1', 'def_2', 'def_mode', 'local_vars',
'time_constrained'])
def test_build_from_config2(self):
# Test rebuilding a sequence including a template sequence.
# Channel mapping of template_vars values are known.
conf = {'template_id': 'test', 'name': 'Template',
'template_vars': "{'b': '25'}"}
seq = TemplateSequence.build_from_config(conf, self.dependecies)
seq.context.channel_mapping = {'A': 'Ch1_L', 'B': 'Ch2_L',
'Ch1': 'Ch2_A', 'Ch2': 'Ch1_A'}
root = RootSequence()
context = TestContext(sampling=0.5)
root.context = context
root.items = [seq]
pref = root.preferences_from_members()
new = RootSequence.build_from_config(pref, self.dependecies)
assert_equal(new.items[0].index, 1)
seq = new.items[0]
assert_equal(seq.name, 'Template')
assert_equal(seq.template_id, 'test')
assert_equal(seq.template_vars, dict(b='25'))
assert_equal(seq.local_vars, dict(a='1.5'))
assert_equal(len(seq.items), 4)
assert_equal(seq.items[3].index, 5)
assert_equal(seq.docs, 'Basic user comment\nff')
context = seq.context
assert_equal(context.template, seq)
assert_equal(context.logical_channels, ['A', 'B'])
assert_equal(context.analogical_channels, ['Ch1', 'Ch2'])
assert_equal(context.channel_mapping, {'A': 'Ch1_L', 'B': 'Ch2_L',
'Ch1': 'Ch2_A', 'Ch2': 'Ch1_A'})
def test_build_from_config():
# Test building a pulse sequence.
root = RootSequence()
context = BaseContext()
root.context = context
root.external_vars = {'a': 1.5}
pulse1 = Pulse(def_1='1.0', def_2='{a}')
pulse2 = Pulse(def_1='{a} + 1.0', def_2='3.0')
pulse3 = Pulse(def_1='{2_stop} + 0.5', def_2='10',
kind='Analogical', shape=SquareShape())
seq = Sequence(items=[Pulse(def_1='{2_stop} + 0.5', def_2='10',
kind='Analogical', shape=SquareShape())])
root.items.extend([pulse1, pulse2, pulse3, seq])
pref = root.preferences_from_members()
dependecies = {'pulses': {'Sequence': Sequence, 'Pulse': Pulse,
'shapes': {'SquareShape': SquareShape},
'contexts': {'BaseContext': BaseContext}}}
aux = RootSequence.build_from_config(pref, dependecies)
assert_equal(aux.external_vars, {'a': 1.5})
assert_equal(len(aux.items), 4)
assert_is_instance(aux.context, BaseContext)
pulse1 = aux.items[0]
assert_equal(pulse1.def_1, '1.0')
assert_equal(pulse1.def_2, '{a}')
pulse2 = aux.items[1]
assert_equal(pulse2.def_1, '{a} + 1.0')
assert_equal(pulse2.def_2, '3.0')
pulse3 = aux.items[2]
assert_equal(pulse3.def_1, '{2_stop} + 0.5')
assert_equal(pulse3.def_2, '10')
assert_equal(pulse3.kind, 'Analogical')
assert_is_instance(pulse3.shape, SquareShape)
seq = aux.items[3]
assert_equal(len(seq.items), 1)
def create_template_sequence():
root = RootSequence()
context = TemplateContext(logical_channels=['A', 'B'],
analogical_channels=['Ch1', 'Ch2'],
channel_mapping={'A': '', 'B': '', 'Ch1': '',
'Ch2': ''})
root.context = context
root.local_vars = {'a': '1.5'}
pulse1 = Pulse(channel='A', def_1='1.0', def_2='{a}')
pulse2 = Pulse(channel='B', def_1='{a} + 1.0', def_2='3.0')
pulse3 = Pulse(channel='Ch1', def_1='{2_stop} + 0.5', def_2='{b}',
kind='Analogical', shape=SquareShape())
seq = Sequence(items=[Pulse(channel='Ch2',
def_1='{2_stop} + 0.5', def_2='{sequence_end}',
kind='Analogical', shape=SquareShape())])
root.items.extend([pulse1, pulse2, seq, pulse3])
pref = root.preferences_from_members()
pref['template_vars'] = repr(dict(b=''))
del pref['item_class']
del pref['external_vars']
del pref['time_constrained']
return pref
