func (s *AddRelationSuite) TestCallWithOneEndpointTooMany(c *C) {
s.setUpAddRelationScenario(c)
_, err := statecmd.AddRelation(s.State, params.AddRelation{
Endpoints: []string{"wordpress", "mysql", "logging"},
})
c.Assert(err, ErrorMatches, "cannot relate 3 endpoints")
}
func (s *AddRelationSuite) TestCallWithOnlyOneEndpoint(c *C) {
s.setUpAddRelationScenario(c)
_, err := statecmd.AddRelation(s.State, params.AddRelation{
Endpoints: []string{"wordpress"},
})
c.Assert(err, ErrorMatches, "no relations found")
}
func (c *AddRelationCommand) Run(_ *cmd.Context) error {
conn, err := juju.NewConnFromName(c.EnvName)
if err != nil {
return err
}
defer conn.Close()
params := params.AddRelation{
Endpoints: c.Endpoints,
}
_, err = statecmd.AddRelation(conn.State, params)
return err
}
func (s *AddRelationSuite) TestAddAlreadyAddedRelation(c *C) {
s.setUpAddRelationScenario(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)
// And try to add it again.
_, err = statecmd.AddRelation(s.State, params.AddRelation{
Endpoints: []string{"wordpress", "mysql"},
})
c.Assert(err, ErrorMatches, `cannot add relation "wordpress:db mysql:server": relation already exists`)
}
func (s *AddRelationSuite) TestSuccessfullyAddRelationSwapped(c *C) {
s.setUpAddRelationScenario(c)
res, err := statecmd.AddRelation(s.State, params.AddRelation{
Endpoints: []string{"mysql", "wordpress"},
})
c.Assert(err, IsNil)
s.checkEndpoints(c, res)
// Show that the relation was added.
wpSvc, err := s.State.Service("wordpress")
c.Assert(err, IsNil)
rels, err := wpSvc.Relations()
c.Assert(len(rels), Equals, 1)
mySvc, err := s.State.Service("mysql")
c.Assert(err, IsNil)
rels, err = mySvc.Relations()
c.Assert(len(rels), Equals, 1)
}
// AddRelation adds a relation between the specified endpoints and returns the relation info.
func (c *Client) AddRelation(args params.AddRelation) (params.AddRelationResults, error) {
return statecmd.AddRelation(c.api.state, args)
}