def test_create_supply_nodes(self):
from next.model.models import Scenario
from next.views import create_supply_nodes, create_edges
sc1 = self.session.query(Scenario).filter(Scenario.name == "Test").first()
request = testing.DummyRequest()
params = {'id': sc1.id, 'phase_id': 2}
request.matchdict = params
#create the edges
create_edges(request)
request.json_body = {'d': 1000, 'n': 10}
response = create_supply_nodes(request)
#ensure that we have two new supply nodes
demand_nodes = self.helper_get_phase_nodes(sc1.id, 3, "supply")
self.assertEqual(4, len(demand_nodes['features']))
def test_delete_phase(self):
"""
This test is pretty comprehensive (may get promoted to top level test)
1. Add 1 new phase with 100 nodes
2. To this add another phase via "create_supply_nodes"
3. delete the phase created in step 1
4. Test whether it and its child are deleted
"""
from next.model.models import Scenario, Phase, Node, Edge, PhaseAncestor
from next.views import create_edges, create_supply_nodes, remove_phase
scen1 = self.session.query(Scenario).filter(Scenario.name == "Test").first()
phase1 = self.session.query(Phase).filter(Phase.scenario_id == scen1.id).first()
parent_phase = Phase(scen1, phase1)
self.session.add_all([scen1, parent_phase])
demand_nodes = nodes_along_latitude(100, parent_phase, self.session,
node_type='demand',
y_val=0.0, x_origin=0.0, x_spacing=0.1)
supply_nodes = nodes_along_latitude(5, parent_phase, self.session,
node_type='supply',
y_val=0.0, x_origin=0.0, x_spacing=2.0)
self.session.add_all(demand_nodes)
self.session.add_all(supply_nodes)
# flush to assign ids
self.session.flush()
# add the edges for the parent phase
request = testing.DummyRequest()
params = {'id': scen1.id, 'phase_id': parent_phase.id}
request.matchdict = params
#create the edges
create_edges(request)
# build the request to auto create_supply_nodes
# NOTE: this uses the previously set matchdict with
# scenario_id/phase_id params
request.json_body = {'d': 1000, 'n': 10}
response = create_supply_nodes(request)
# Get the new phase (to test that it was created)
# TODO: QUERY HERE
child_phase = parent_phase.get_descendents_query().filter(
Phase.id != parent_phase.id).order_by(Phase.id).first()
descendent_ids = [p.id for p in parent_phase.get_descendents_query()]
self.assertTrue(len(descendent_ids) == 2)
self.assertTrue(child_phase.id > parent_phase.id)
self.assertTrue(child_phase.get_nodes_query().count() == 10)
# remove the parent phase (params remain the same)
response = remove_phase(request)
# Check whether all nodes, edges, phases, ancestors associated with
# both phases have been deleted
self.assertTrue(self.session.query(Node).filter((Node.scenario_id == scen1.id) & (Node.phase_id.in_(descendent_ids))).count() == 0)
self.assertTrue(self.session.query(Edge).filter((Edge.scenario_id == scen1.id) & (Edge.phase_id.in_(descendent_ids))).count() == 0)
self.assertTrue(self.session.query(Phase).filter((Phase.scenario_id == scen1.id) & (Phase.id.in_(descendent_ids))).count() == 0)
self.assertTrue(self.session.query(PhaseAncestor).filter((PhaseAncestor.scenario_id == scen1.id) & (PhaseAncestor.phase_id.in_(descendent_ids))).count() == 0)
# ensure that no phases reference these deleted phases too
self.assertTrue(self.session.query(PhaseAncestor).filter((PhaseAncestor.scenario_id == scen1.id) & (PhaseAncestor.ancestor_phase_id.in_(descendent_ids))).count() == 0)