def test_random_state(self):
a1 = copy.copy(self.a)
###
# CEBALERT: hack because homeostaticmaxent doesn't get some
# of its state until it's been called once!
self.hme(a1)
start_array = copy.copy(a1)
## save the state then generate some results...
self.hme.state_push()
self.hme(a1)
res1 = copy.copy(a1)
self.hme(a1)
res2 = copy.copy(a1)
# (check results do actually change so the test is valid)
assert_array_not_equal(res1, res2)
a2 = copy.copy(start_array)
### ...then restore the state & check results are the same
self.hme.state_pop()
self.hme(a2)
assert_array_equal(a2, res1)
self.hme(a2)
assert_array_equal(a2, res2)
def test_random_state(self):
a1 = copy.copy(self.a)
###
# CEBALERT: hack because homeostaticmaxent doesn't get some
# of its state until it's been called once!
self.hme(a1)
start_array = copy.copy(a1)
## save the state then generate some results...
self.hme.state_push()
self.hme(a1)
res1 = copy.copy(a1)
self.hme(a1)
res2 = copy.copy(a1)
# (check results do actually change so the test is valid)
assert_array_not_equal(res1,res2)
a2 = copy.copy(start_array)
### ...then restore the state & check results are the same
self.hme.state_pop()
self.hme(a2)
assert_array_equal(a2,res1)
self.hme(a2)
assert_array_equal(a2,res2)
def test_test_pattern():
"""Check that test pattern window is working."""
tp = topo.guimain['Simulation']['Test Pattern']()
act = topo.guimain['Plots']['Activity']()
tp.gui_set_param('edit_sheet', 'GS')
## Test for state_push bug (simulation not run() before Present pressed)
assert len(topo.sim.eps_to_start
) > 0, "test must be run before simulation is run()"
from topo.pattern import Gaussian
from topo import numbergen
topo.sim['GS'].set_input_generator(Gaussian(x=numbergen.UniformRandom()))
tp.Present()
topo.sim.run(1)
act1 = copy.deepcopy(topo.sim['GS'].activity)
topo.sim.run(2)
assert_array_not_equal(topo.sim['GS'].activity, act1,
"GeneratorSheet no longer generating patterns")
##
tp.gui_set_param('pattern_generator', 'TwoRectangles')
from topo.pattern import TwoRectangles
assert isinstance(tp.pattern_generator,
TwoRectangles), "Pattern generator did not change."
preview = _get_named_plot('GS', tp.plotgroup.plots).view_dict.get(
'Strength', {})['Activity'].top.data
two_rectangles = array([[0., 1], [1., 0.]])
assert_array_equal(preview, two_rectangles,
"Incorrect pattern in preview plot.")
tp.Present()
gs_view = _get_named_plot('GS', act.plotgroup.plots).view_dict.get(
'Strength', {})['Activity']
assert gs_view.metadata.src_name == 'GS'
gs_plot_array = gs_view.top.data
assert_array_equal(gs_plot_array, two_rectangles,
"Incorrect pattern in activity plot after Present.")
tp.params_frame.gui_set_param('scale', 0.5)
preview = _get_named_plot('GS', tp.plotgroup.plots).view_dict.get(
'Strength', {})['Activity'].top.data
assert_array_equal(preview, 0.5 * two_rectangles,
"Changing pattern parameters did not update preview.")
### Defaults button
# first change several more parameters
initial_preview = tp.plotgroup.plots[0].view_dict.get(
'Strength', {})['Activity'].top.data
new_param_values = [ #('output_fns','Sigmoid'),
('scale', '2')
]
for name, value in new_param_values:
tp.params_frame.gui_set_param(name, value)
changed_preview = _get_named_plot('GS', tp.plotgroup.plots).view_dict.get(
'Strength', {})['Activity'].top.data
# and check the preview did change
try:
assert_array_equal(changed_preview, initial_preview)
except AssertionError:
pass
else:
raise AssertionError("Test pattern didn't change.")
# test that preview display is correct
tp.params_frame.Defaults()
preview = _get_named_plot('GS', tp.plotgroup.plots).view_dict.get(
'Strength', {})['Activity'].top.data
assert_array_equal(
preview, two_rectangles,
"Defaults button failed to revert params to default values.")
def test_test_pattern():
"""Check that test pattern window is working."""
tp = topo.guimain['Simulation']['Test Pattern']()
act = topo.guimain['Plots']['Activity']()
tp.gui_set_param('edit_sheet','GS')
## Test for state_push bug (simulation not run() before Present pressed)
assert len(topo.sim.eps_to_start)>0, "test must be run before simulation is run()"
from topo.pattern import Gaussian
from topo import numbergen
topo.sim['GS'].set_input_generator(Gaussian(x=numbergen.UniformRandom()))
tp.Present()
topo.sim.run(1)
act1 = copy.deepcopy(topo.sim['GS'].activity)
topo.sim.run(2)
assert_array_not_equal(topo.sim['GS'].activity,act1,"GeneratorSheet no longer generating patterns")
##
tp.gui_set_param('pattern_generator','TwoRectangles')
from topo.pattern import TwoRectangles
assert isinstance(tp.pattern_generator,TwoRectangles), "Pattern generator did not change."
preview = _get_named_plot('GS',tp.plotgroup.plots).view_dict['Activity'].top.data
two_rectangles = array([[0.,1],[1.,0.]])
assert_array_equal(preview,two_rectangles,"Incorrect pattern in preview plot.")
tp.Present()
gs_view = _get_named_plot('GS',act.plotgroup.plots).view_dict['Activity']
assert gs_view.metadata.src_name=='GS'
gs_plot_array = gs_view.top.data
assert_array_equal(gs_plot_array,two_rectangles,"Incorrect pattern in activity plot after Present.")
tp.params_frame.gui_set_param('scale',0.5)
preview = _get_named_plot('GS',tp.plotgroup.plots).view_dict['Activity'].top.data
assert_array_equal(preview,0.5*two_rectangles,"Changing pattern parameters did not update preview.")
### Defaults button
# first change several more parameters
initial_preview = tp.plotgroup.plots[0].view_dict['Activity'].top.data
new_param_values = [#('output_fns','Sigmoid'),
('scale','2')]
for name,value in new_param_values:
tp.params_frame.gui_set_param(name,value)
changed_preview = _get_named_plot('GS',tp.plotgroup.plots).view_dict['Activity'].top.data
# and check the preview did change
try:
assert_array_equal(changed_preview,initial_preview)
except AssertionError:
pass
else:
raise AssertionError("Test pattern didn't change.")
# test that preview display is correct
tp.params_frame.Defaults()
preview = _get_named_plot('GS',tp.plotgroup.plots).view_dict['Activity'].top.data
assert_array_equal(preview,two_rectangles,"Defaults button failed to revert params to default values.")
