// checkNotValid checks that the supplied migrationflag.Config fails to
// Validate, and cannot be used to construct a migrationflag.Worker.
func checkNotValid(c *gc.C, config migrationflag.Config, expect string) {
check := func(err error) {
c.Check(err, gc.ErrorMatches, expect)
c.Check(err, jc.Satisfies, errors.IsNotValid)
}
err := config.Validate()
check(err)
worker, err := migrationflag.New(config)
c.Check(worker, gc.IsNil)
check(err)
}
func (*WorkerSuite) TestPhaseErrorOnStartup(c *gc.C) {
stub := &testing.Stub{}
stub.SetErrors(errors.New("gaah"))
facade := newMockFacade(stub)
config := migrationflag.Config{
Facade: facade,
Model: validUUID,
Check: panicCheck,
}
worker, err := migrationflag.New(config)
c.Check(worker, gc.IsNil)
c.Check(err, gc.ErrorMatches, "gaah")
checkCalls(c, stub, "Phase")
}
func (*WorkerSuite) TestPhaseErrorWhileRunning(c *gc.C) {
stub := &testing.Stub{}
stub.SetErrors(nil, nil, errors.New("glug"))
facade := newMockFacade(stub, migration.QUIESCE)
config := migrationflag.Config{
Facade: facade,
Model: validUUID,
Check: neverCheck,
}
worker, err := migrationflag.New(config)
c.Assert(err, jc.ErrorIsNil)
c.Check(worker.Check(), jc.IsFalse)
err = workertest.CheckKilled(c, worker)
c.Check(err, gc.ErrorMatches, "glug")
checkCalls(c, stub, "Phase", "Watch", "Phase")
}
func (*WorkerSuite) TestSubsequentPhaseChange(c *gc.C) {
stub := &testing.Stub{}
facade := newMockFacade(stub,
migration.ABORT, migration.REAP, migration.QUIESCE,
)
config := migrationflag.Config{
Facade: facade,
Model: validUUID,
Check: isQuiesce,
}
worker, err := migrationflag.New(config)
c.Assert(err, jc.ErrorIsNil)
c.Check(worker.Check(), jc.IsFalse)
err = workertest.CheckKilled(c, worker)
c.Check(err, gc.Equals, migrationflag.ErrChanged)
checkCalls(c, stub, "Phase", "Watch", "Phase", "Phase")
}
func (*WorkerSuite) TestNoRelevantPhaseChange(c *gc.C) {
stub := &testing.Stub{}
facade := newMockFacade(stub,
migration.REAPFAILED,
migration.DONE,
migration.ABORT,
migration.IMPORT,
)
config := migrationflag.Config{
Facade: facade,
Model: validUUID,
Check: isQuiesce,
}
worker, err := migrationflag.New(config)
c.Assert(err, jc.ErrorIsNil)
c.Check(worker.Check(), jc.IsFalse)
workertest.CheckAlive(c, worker)
workertest.CleanKill(c, worker)
checkCalls(c, stub, "Phase", "Watch", "Phase", "Phase", "Phase")
}