def test_delete_activity_param(qtbot):
""" Remove activity parameters.
"""
project_db_tab = ParameterDefinitionTab()
qtbot.addWidget(project_db_tab)
project_db_tab.build_tables()
table = project_db_tab.activity_table
rect = table.visualRect(table.proxy_model.index(0, 0))
qtbot.mouseClick(table.viewport(), QtCore.Qt.LeftButton, pos=rect.center())
group = table.get_current_group()
# Now delete the parameter for the selected row.
table.delete_parameter(table.currentIndex())
assert table.rowCount() == 2
assert ActivityParameter.select().count() == 2
assert Group.select().where(Group.name == group).exists()
# And delete the other two parameters one by one.
table.delete_parameter(table.proxy_model.index(0, 0))
table.delete_parameter(table.proxy_model.index(0, 0))
assert table.rowCount() == 0
assert ActivityParameter.select().count() == 0
# Group is automatically removed with the last parameter gone
assert not Group.select().where(Group.name == group).exists()
def get_usable_parameters(self):
""" Use the `key` set for the table to determine the database and
group of the activity, using that information to constrain the usable
parameters.
"""
project = ([k, v, "project"]
for k, v in ProjectParameter.static().items())
if self.key is None:
return project
database = ([k, v, "database"]
for k, v in DatabaseParameter.static(self.key[0]).items())
# Determine if the activity is already part of a parameter group.
query = (Group.select().join(
ActivityParameter,
on=(Group.name == ActivityParameter.group)).where(
ActivityParameter.database == self.key[0],
ActivityParameter.code == self.key[1]).distinct())
if query.exists():
group = query.get()
# First, build a list for parameters in the same group
activity = ([p.name, p.amount, "activity"]
for p in ActivityParameter.select().where(
ActivityParameter.group == group.name))
# Then extend the list with parameters from groups in the `order`
# field
additions = ([p.name, p.amount, "activity"]
for p in ActivityParameter.select().where(
ActivityParameter.group << group.order))
activity = itertools.chain(activity, additions)
else:
activity = []
return itertools.chain(project, database, activity)
