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undertaker_test.go
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// Copyright 2015 Canonical Ltd.
// Licensed under the AGPLv3, see LICENCE file for details.
package undertaker_test
import (
"github.com/juju/errors"
"github.com/juju/testing"
gc "gopkg.in/check.v1"
"gopkg.in/juju/worker.v1"
"gopkg.in/juju/worker.v1/workertest"
"github.com/juju/juju/apiserver/params"
"github.com/juju/juju/status"
)
// UndertakerSuite is *not* complete. But it's a lot more so
// than it was before, and should be much easier to extend.
type UndertakerSuite struct {
testing.IsolationSuite
fix fixture
}
var _ = gc.Suite(&UndertakerSuite{})
func (s *UndertakerSuite) SetUpTest(c *gc.C) {
s.IsolationSuite.SetUpTest(c)
s.fix = fixture{
info: params.UndertakerModelInfoResult{
Result: params.UndertakerModelInfo{
Life: "dying",
},
},
}
}
func (s *UndertakerSuite) TestAliveError(c *gc.C) {
s.fix.info.Result.Life = "alive"
s.fix.dirty = true
stub := s.fix.run(c, func(w worker.Worker) {
err := workertest.CheckKilled(c, w)
c.Check(err, gc.ErrorMatches, "model still alive")
})
stub.CheckCallNames(c, "ModelInfo")
}
func (s *UndertakerSuite) TestAlreadyDeadRemoves(c *gc.C) {
s.fix.info.Result.Life = "dead"
stub := s.fix.run(c, func(w worker.Worker) {
workertest.CheckKilled(c, w)
})
stub.CheckCallNames(c, "ModelInfo", "SetStatus", "Destroy", "RemoveModel")
}
func (s *UndertakerSuite) TestDyingDeadRemoved(c *gc.C) {
stub := s.fix.run(c, func(w worker.Worker) {
workertest.CheckKilled(c, w)
})
stub.CheckCallNames(c,
"ModelInfo",
"SetStatus",
"WatchModelResources",
"ProcessDyingModel",
"SetStatus",
"Destroy",
"RemoveModel",
)
}
func (s *UndertakerSuite) TestSetStatusDestroying(c *gc.C) {
stub := s.fix.run(c, func(w worker.Worker) {
workertest.CheckKilled(c, w)
})
stub.CheckCall(
c, 1, "SetStatus", status.Destroying,
"cleaning up cloud resources", map[string]interface{}(nil),
)
stub.CheckCall(
c, 4, "SetStatus", status.Destroying,
"tearing down cloud environment", map[string]interface{}(nil),
)
}
func (s *UndertakerSuite) TestControllerStopsWhenModelDead(c *gc.C) {
s.fix.info.Result.IsSystem = true
stub := s.fix.run(c, func(w worker.Worker) {
workertest.CheckKilled(c, w)
})
stub.CheckCallNames(c,
"ModelInfo",
"SetStatus",
"WatchModelResources",
"ProcessDyingModel",
)
}
func (s *UndertakerSuite) TestModelInfoErrorFatal(c *gc.C) {
s.fix.errors = []error{errors.New("pow")}
s.fix.dirty = true
stub := s.fix.run(c, func(w worker.Worker) {
err := workertest.CheckKilled(c, w)
c.Check(err, gc.ErrorMatches, "pow")
})
stub.CheckCallNames(c, "ModelInfo")
}
func (s *UndertakerSuite) TestWatchModelResourcesErrorFatal(c *gc.C) {
s.fix.errors = []error{nil, nil, errors.New("pow")}
s.fix.dirty = true
stub := s.fix.run(c, func(w worker.Worker) {
err := workertest.CheckKilled(c, w)
c.Check(err, gc.ErrorMatches, "pow")
})
stub.CheckCallNames(c, "ModelInfo", "SetStatus", "WatchModelResources")
}
func (s *UndertakerSuite) TestProcessDyingModelErrorRetried(c *gc.C) {
s.fix.errors = []error{
nil, // ModelInfo
nil, // SetStatus
nil, // WatchModelResources,
¶ms.Error{Code: params.CodeHasHostedModels},
nil, // SetStatus
¶ms.Error{Code: params.CodeModelNotEmpty},
nil, // SetStatus
nil, // ProcessDyingModel,
nil, // SetStatus
nil, // Destroy,
nil, // RemoveModel
}
stub := s.fix.run(c, func(w worker.Worker) {
workertest.CheckKilled(c, w)
})
stub.CheckCallNames(c,
"ModelInfo",
"SetStatus",
"WatchModelResources",
"ProcessDyingModel",
"SetStatus",
"ProcessDyingModel",
"SetStatus",
"ProcessDyingModel",
"SetStatus",
"Destroy",
"RemoveModel",
)
}
func (s *UndertakerSuite) TestProcessDyingModelErrorFatal(c *gc.C) {
s.fix.errors = []error{
nil, // ModelInfo
nil, // SetStatus
nil, // WatchModelResources,
errors.New("nope"),
}
s.fix.dirty = true
stub := s.fix.run(c, func(w worker.Worker) {
err := workertest.CheckKilled(c, w)
c.Check(err, gc.ErrorMatches, "nope")
})
stub.CheckCallNames(c,
"ModelInfo",
"SetStatus",
"WatchModelResources",
"ProcessDyingModel",
)
}
func (s *UndertakerSuite) TestDestroyErrorFatal(c *gc.C) {
s.fix.errors = []error{nil, nil, errors.New("pow")}
s.fix.info.Result.Life = "dead"
s.fix.dirty = true
stub := s.fix.run(c, func(w worker.Worker) {
err := workertest.CheckKilled(c, w)
c.Check(err, gc.ErrorMatches, "pow")
})
stub.CheckCallNames(c, "ModelInfo", "SetStatus", "Destroy")
}
func (s *UndertakerSuite) TestRemoveModelErrorFatal(c *gc.C) {
s.fix.errors = []error{nil, nil, nil, errors.New("pow")}
s.fix.info.Result.Life = "dead"
s.fix.dirty = true
stub := s.fix.run(c, func(w worker.Worker) {
err := workertest.CheckKilled(c, w)
c.Check(err, gc.ErrorMatches, "cannot remove model: pow")
})
stub.CheckCallNames(c, "ModelInfo", "SetStatus", "Destroy", "RemoveModel")
}