func checkPart(t *testing.T, errPrefix string, expected string, st types.Storage, idx *types.ObjectIndex) {
part, err := st.GetPart(idx)
if err != nil {
t.Errorf("%s - %s", errPrefix, err)
return
}
got, err := ioutil.ReadAll(part)
if err != nil {
t.Errorf("%s - %s", errPrefix, err)
return
}
if string(got) != expected {
t.Errorf("%s expected \n`%s`\n, got \n`%s`", errPrefix, expected, string(got))
}
}
func checkPartIsMissing(t *testing.T, errPrefix string, st types.Storage, idx *types.ObjectIndex) {
part, err := st.GetPart(idx)
if os.IsNotExist(err) {
return // all is fine
} else if err != nil {
t.Errorf("%s - was expected to be os.ErrNotExist but it was %s", errPrefix, err)
return
}
t.Errorf("%s - was expected to be erronous but it wasn't", errPrefix)
got, err := ioutil.ReadAll(part)
if err != nil {
t.Errorf("%s - %s", errPrefix, err)
return
}
t.Errorf("%s has contents of `%s`", errPrefix, got)
}
// A single goroutine running this function is created for every storage.
// types.CacheAlgorithms will send to the com channel files which they wish to be removed
// from the storage.
func (a *Application) cacheToStorageCommunicator(stor types.Storage,
com chan types.ObjectIndex) {
for oi := range com {
stor.DiscardIndex(oi)
}
}