func (s *serviceSuite) TestClientServiceUpdateSetMinUnits(c *gc.C) {
service := s.AddTestingService(c, "dummy", s.AddTestingCharm(c, "dummy"))
// Set minimum units for the service.
minUnits := 2
args := params.ServiceUpdate{
ServiceName: "dummy",
MinUnits: &minUnits,
}
err := s.serviceApi.ServiceUpdate(args)
c.Assert(err, jc.ErrorIsNil)
// Ensure the minimum number of units has been set.
c.Assert(service.Refresh(), gc.IsNil)
c.Assert(service.MinUnits(), gc.Equals, minUnits)
}
func (s *serviceSuite) TestClientServiceUpdateSetMinUnitsError(c *gc.C) {
service := s.AddTestingService(c, "dummy", s.AddTestingCharm(c, "dummy"))
// Set a negative minimum number of units for the service.
minUnits := -1
args := params.ServiceUpdate{
ServiceName: "dummy",
MinUnits: &minUnits,
}
err := s.serviceApi.ServiceUpdate(args)
c.Assert(err, gc.ErrorMatches,
`cannot set minimum units for service "dummy": cannot set a negative minimum number of units`)
// Ensure the minimum number of units has not been set.
c.Assert(service.Refresh(), gc.IsNil)
c.Assert(service.MinUnits(), gc.Equals, 0)
}