def transform_nodes(from_data, to_data):
_nodes = INodes()
_nodes._interval = numpy.array(from_data['interval'])
_nodes._nodes = numpy.array(from_data['nodes'])
_nodes.transform(numpy.array(to_data['interval']))
assert_equal(_nodes.nodes[0], to_data['interval'][0])
assert_equal(_nodes.nodes[-1], to_data['interval'][1])
assert_numpy_array_equal(_nodes.nodes, numpy.array(to_data['nodes']))
def on_finalize_collect_solutions_and_finalize(test_obj):
_count = 0.0
for step in test_obj:
step.solution.value = numpy.array([1.0])
step.solution.time_point = _count
_count += 1
assert_false(test_obj.solution.finalized)
assert_numpy_array_equal(test_obj.solution.values, numpy.array([]))
test_obj.finalize()
assert_true(test_obj.solution.finalized)
assert_numpy_array_equal(test_obj.solution.values, numpy.array([[1.0], [1.0], [1.0]]))
# .done should reset the current_index counter
assert_is(test_obj.current_index, 0)
assert_raises(RuntimeError, test_obj.finalize)