func (s *DestroyRelationSuite) TestAttemptDestroyingNonExistentRelation(c *C) {
s.setUpDestroyRelationScenario(c)
err := statecmd.DestroyRelation(s.State, params.DestroyRelation{
Endpoints: []string{"riak", "wordpress"},
})
c.Assert(err, ErrorMatches, "no relations found")
}
func (s *DestroyRelationSuite) TestAttemptDestroyingPeerRelation(c *C) {
s.setUpDestroyRelationScenario(c)
err := statecmd.DestroyRelation(s.State, params.DestroyRelation{
Endpoints: []string{"riak:ring"},
})
c.Assert(err, ErrorMatches, `cannot destroy relation "riak:ring": is a peer relation`)
}
func (c *DestroyRelationCommand) Run(_ *cmd.Context) error {
conn, err := juju.NewConnFromName(c.EnvName)
if err != nil {
return err
}
defer conn.Close()
params := params.DestroyRelation{
Endpoints: c.Endpoints,
}
return statecmd.DestroyRelation(conn.State, params)
}
func (s *DestroyRelationSuite) TestAttemptDestroyingWithOnlyOneEndpoint(c *C) {
s.setUpDestroyRelationScenario(c)
// Add a relation between wordpress and mysql.
eps, err := s.State.InferEndpoints([]string{"wordpress", "mysql"})
c.Assert(err, IsNil)
_, err = s.State.AddRelation(eps...)
c.Assert(err, IsNil)
err = statecmd.DestroyRelation(s.State, params.DestroyRelation{
Endpoints: []string{"wordpress"},
})
c.Assert(err, ErrorMatches, "no relations found")
}
func (s *DestroyRelationSuite) TestAttemptDestroyingAlreadyDestroyedRelation(c *C) {
s.setUpDestroyRelationScenario(c)
// Add a relation between wordpress and mysql.
eps, err := s.State.InferEndpoints([]string{"wordpress", "mysql"})
c.Assert(err, IsNil)
rel, err := s.State.AddRelation(eps...)
c.Assert(err, IsNil)
err = statecmd.DestroyRelation(s.State, params.DestroyRelation{
Endpoints: []string{"wordpress", "mysql"},
})
c.Assert(err, IsNil)
// Show that the relation was removed.
c.Assert(rel.Refresh(), checkers.Satisfies, errors.IsNotFoundError)
// And try to destroy it again.
err = statecmd.DestroyRelation(s.State, params.DestroyRelation{
Endpoints: []string{"wordpress", "mysql"},
})
c.Assert(err, ErrorMatches, `relation "wordpress:db mysql:server" not found`)
}
func (s *DestroyRelationSuite) TestSuccessfullyDestroyRelation(c *C) {
s.setUpDestroyRelationScenario(c)
// Add a relation between wordpress and mysql.
eps, err := s.State.InferEndpoints([]string{"wordpress", "mysql"})
c.Assert(err, IsNil)
rel, err := s.State.AddRelation(eps...)
c.Assert(err, IsNil)
err = statecmd.DestroyRelation(s.State, params.DestroyRelation{
Endpoints: []string{"wordpress", "mysql"},
})
c.Assert(err, IsNil)
// Show that the relation was removed.
c.Assert(rel.Refresh(), checkers.Satisfies, errors.IsNotFoundError)
}
func (s *DestroyRelationSuite) TestSuccessfullyDestroyRelationSwapped(c *C) {
// Show that the order of the services listed in the DestroyRelation call
// does not matter. This is a repeat of the previous test with the service
// names swapped.
s.setUpDestroyRelationScenario(c)
// Add a relation between wordpress and mysql.
eps, err := s.State.InferEndpoints([]string{"wordpress", "mysql"})
c.Assert(err, IsNil)
rel, err := s.State.AddRelation(eps...)
c.Assert(err, IsNil)
err = statecmd.DestroyRelation(s.State, params.DestroyRelation{
Endpoints: []string{"mysql", "wordpress"},
})
c.Assert(err, IsNil)
// Show that the relation was removed.
c.Assert(rel.Refresh(), checkers.Satisfies, errors.IsNotFoundError)
}
// DestroyRelation removes the relation between the specified endpoints.
func (c *Client) DestroyRelation(args params.DestroyRelation) error {
return statecmd.DestroyRelation(c.api.state, args)
}