func (s *interruptibleStorageSuite) TestInterruptStorageConcurrently(c *gc.C) {
closer, stor, _ := envtesting.CreateLocalTestStorage(c)
s.AddCleanup(func(c *gc.C) { closer.Close() })
reader := &errorReader{
close: make(chan struct{}),
wait: make(chan struct{}),
err: fmt.Errorf("read failed"),
}
istor := bootstrap.NewInterruptibleStorage(stor, reader.close)
err := istor.Put("name", reader, 3)
c.Assert(err, gc.ErrorMatches, ".*: interrupted")
c.Assert(reader.called, gc.Equals, 0) // reader is blocked
close(reader.wait)
}
func (suite *StateSuite) TestDeleteStateFile(c *gc.C) {
closer, stor, dataDir := envtesting.CreateLocalTestStorage(c)
defer closer.Close()
err := bootstrap.DeleteStateFile(stor)
c.Assert(err, gc.IsNil) // doesn't exist, juju don't care
_, err = bootstrap.CreateStateFile(stor)
c.Assert(err, gc.IsNil)
_, err = os.Stat(filepath.Join(dataDir, bootstrap.StateFile))
c.Assert(err, gc.IsNil)
err = bootstrap.DeleteStateFile(stor)
c.Assert(err, gc.IsNil)
_, err = os.Stat(filepath.Join(dataDir, bootstrap.StateFile))
c.Assert(err, jc.Satisfies, os.IsNotExist)
}
func (s *interruptibleStorageSuite) TestInterruptStorage(c *gc.C) {
closer, stor, _ := envtesting.CreateLocalTestStorage(c)
s.AddCleanup(func(c *gc.C) { closer.Close() })
reader := &errorReader{
err: fmt.Errorf("read failed"),
}
interrupted := make(chan struct{})
istor := bootstrap.NewInterruptibleStorage(stor, interrupted)
err := istor.Put("name", reader, 3)
c.Assert(err, gc.ErrorMatches, ".*: read failed")
c.Assert(reader.called, gc.Equals, 1)
// If the channel is already closed, then the
// underlying reader is never deferred to.
close(interrupted)
err = istor.Put("name", reader, 3)
c.Assert(err, gc.ErrorMatches, ".*: interrupted")
c.Assert(reader.called, gc.Equals, 1)
}
func (suite *StateSuite) newStorageWithDataDir(c *gc.C) (storage.Storage, string) {
closer, stor, dataDir := envtesting.CreateLocalTestStorage(c)
suite.AddCleanup(func(*gc.C) { closer.Close() })
envtesting.UploadFakeTools(c, stor)
return stor, dataDir
}
// setDummyStorage injects the local provider's fake storage implementation
// into the given environment, so that tests can manipulate storage as if it
// were real.
func (s *instanceTypeSuite) setDummyStorage(c *gc.C, env *azureEnviron) {
closer, storage, _ := testing.CreateLocalTestStorage(c)
env.storage = storage
s.AddCleanup(func(c *gc.C) { closer.Close() })
}