Add Life to Service API information

state/api/params/params_test.go

 package params_test
 
 import (
         "encoding/json"
         . "launchpad.net/gocheck"
         "launchpad.net/juju-core/charm"
         "launchpad.net/juju-core/constraints"
         "launchpad.net/juju-core/state/api/params"
         "testing"
 )
@@ skipping 24 matching lines @@
                 },
         },
         json: `["machine","change",{"Id":"Benji","InstanceId":"Shazam","Status":"error","StatusInfo":"foo"}]`,
 }, {
         about: "ServiceInfo Delta",
         value: params.Delta{
                 Entity: &params.ServiceInfo{
                         Name:        "Benji",
                         Exposed:     true,
                         CharmURL:    "cs:series/name",
+                        Life:        "dying",

[dave_cheney.net, 2013/04/17 00:25:02]

please use state.Dying.String() here, so we can catch any mistake if someone
changes the value of Life.String()

                         Constraints: constraints.MustParse("arch=arm mem=1024M"),
                         Config: map[string]interface{}{
                                 "hello": "goodbye",
                                 "foo":   false,
                         },
                 },
         },
-        json: `["service","change",{"CharmURL": "cs:series/name","Name":"Benji","Exposed":true,"Constraints":{"arch":"arm", "mem": 1024},"Config": {"hello":"goodbye","foo":false}}]`,
+        json: `["service","change",{"CharmURL": "cs:series/name","Name":"Benji","Exposed":true,"Life":"dying","Constraints":{"arch":"arm", "mem": 1024},"Config": {"hello":"goodbye","foo":false}}]`,
 }, {
         about: "UnitInfo Delta",
         value: params.Delta{
                 Entity: &params.UnitInfo{
                         Name:     "Benji",
                         Service:  "Shazam",
                         Series:   "precise",
                         CharmURL: "cs:~user/precise/wordpress-42",
                         Ports: []params.Port{
                                 params.Port{
@@ skipping 77 matching lines @@
 
 func (s *MarshalSuite) TestDeltaMarshalJSONUnknownOperation(c *C) {
         err := json.Unmarshal([]byte(`["relation","masticate",{}]`), new(params.Delta))
         c.Check(err, ErrorMatches, `Unexpected operation "masticate"`)
 }
 
 func (s *MarshalSuite) TestDeltaMarshalJSONUnknownEntity(c *C) {
         err := json.Unmarshal([]byte(`["qwan","change",{}]`), new(params.Delta))
         c.Check(err, ErrorMatches, `Unexpected entity name "qwan"`)
 }