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// Copyright 2012, 2013 Canonical Ltd.
// Licensed under the AGPLv3, see LICENCE file for details.
package uniter_test
import (
"path/filepath"
gc "launchpad.net/gocheck"
"launchpad.net/juju-core/charm"
"launchpad.net/juju-core/charm/hooks"
"launchpad.net/juju-core/utils"
"launchpad.net/juju-core/worker/uniter"
"launchpad.net/juju-core/worker/uniter/hook"
)
type StateFileSuite struct{}
var _ = gc.Suite(&StateFileSuite{})
var stcurl = charm.MustParseURL("cs:quantal/service-name-123")
var relhook = &hook.Info{
Kind: hooks.RelationJoined,
RemoteUnit: "some-thing/123",
}
var stateTests = []struct {
st uniter.State
err string
}{
// Invalid op/step.
{
st: uniter.State{Op: uniter.Op("bloviate")},
err: `unknown operation "bloviate"`,
}, {
st: uniter.State{
Op: uniter.Continue,
OpStep: uniter.OpStep("dudelike"),
Hook: &hook.Info{Kind: hooks.ConfigChanged},
},
err: `unknown operation step "dudelike"`,
},
// Install operation.
{
st: uniter.State{
Op: uniter.Install,
OpStep: uniter.Pending,
Hook: &hook.Info{Kind: hooks.ConfigChanged},
},
err: `unexpected hook info`,
}, {
st: uniter.State{
Op: uniter.Install,
OpStep: uniter.Pending,
},
err: `missing charm URL`,
}, {
st: uniter.State{
Op: uniter.Install,
OpStep: uniter.Pending,
CharmURL: stcurl,
},
},
// RunHook operation.
{
st: uniter.State{
Op: uniter.RunHook,
OpStep: uniter.Pending,
Hook: &hook.Info{Kind: hooks.Kind("machine-exploded")},
},
err: `unknown hook kind "machine-exploded"`,
}, {
st: uniter.State{
Op: uniter.RunHook,
OpStep: uniter.Pending,
Hook: &hook.Info{Kind: hooks.RelationJoined},
},
err: `"relation-joined" hook requires a remote unit`,
}, {
st: uniter.State{
Op: uniter.RunHook,
OpStep: uniter.Pending,
Hook: &hook.Info{Kind: hooks.ConfigChanged},
CharmURL: stcurl,
},
err: `unexpected charm URL`,
}, {
st: uniter.State{
Op: uniter.RunHook,
OpStep: uniter.Pending,
Hook: &hook.Info{Kind: hooks.ConfigChanged},
},
}, {
st: uniter.State{
Op: uniter.RunHook,
OpStep: uniter.Pending,
Hook: relhook,
},
},
// Upgrade operation.
{
st: uniter.State{
Op: uniter.Upgrade,
OpStep: uniter.Pending,
},
err: `missing charm URL`,
}, {
st: uniter.State{
Op: uniter.Upgrade,
OpStep: uniter.Pending,
CharmURL: stcurl,
},
}, {
st: uniter.State{
Op: uniter.Upgrade,
OpStep: uniter.Pending,
Hook: relhook,
CharmURL: stcurl,
},
},
// Continue operation.
{
st: uniter.State{
Op: uniter.Continue,
OpStep: uniter.Pending,
},
err: `missing hook info`,
}, {
st: uniter.State{
Op: uniter.Continue,
OpStep: uniter.Pending,
Hook: relhook,
CharmURL: stcurl,
},
err: `unexpected charm URL`,
}, {
st: uniter.State{
Op: uniter.Continue,
OpStep: uniter.Pending,
Hook: relhook,
},
},
}
func (s *StateFileSuite) TestStates(c *gc.C) {
for i, t := range stateTests {
c.Logf("test %d", i)
path := filepath.Join(c.MkDir(), "uniter")
file := uniter.NewStateFile(path)
_, err := file.Read()
c.Assert(err, gc.Equals, uniter.ErrNoStateFile)
write := func() {
err := file.Write(t.st.Started, t.st.Op, t.st.OpStep, t.st.Hook, t.st.CharmURL)
c.Assert(err, gc.IsNil)
}
if t.err != "" {
c.Assert(write, gc.PanicMatches, "invalid uniter state: "+t.err)
err := utils.WriteYaml(path, &t.st)
c.Assert(err, gc.IsNil)
_, err = file.Read()
c.Assert(err, gc.ErrorMatches, "cannot read charm state at .*: invalid uniter state: "+t.err)
continue
}
write()
st, err := file.Read()
c.Assert(err, gc.IsNil)
c.Assert(*st, gc.DeepEquals, t.st)
}
}
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