func testBackups(s datastore.DataStore, t *testing.T) {
// Test only valid JobIDs are accepted
b := model.Backup{Result: model.BackupCompleted, JobID: 0}
created, err := s.SaveBackup(&b)
assert.NotNil(t, err)
r := model.Remote{Driver: "ssh", Location: "foo"}
created, err = s.SaveRemote(&r)
j := model.Job{RemoteID: r.ID}
created, err = s.SaveJob(&j)
j2 := model.Job{RemoteID: r.ID}
created, err = s.SaveJob(&j2)
b = model.Backup{Result: model.BackupCompleted, JobID: j.ID}
created, err = s.SaveBackup(&b)
assert.Equal(t, true, created)
assert.Nil(t, err)
b2, err := s.Backup(b.ID)
assert.Nil(t, err)
assert.Equal(t, b.Result, b2.Result)
assert.Equal(t, b.ID, b2.ID)
b2.Result = model.BackupFailed
created, err = s.SaveBackup(&b2)
assert.Equal(t, false, created)
assert.Nil(t, err)
bslice, err := s.Backups()
assert.Nil(t, err)
assert.Equal(t, 1, len(bslice))
assert.Equal(t, b2.Result, bslice[0].Result)
assert.Equal(t, b2.ID, bslice[0].ID)
bslice, err = s.BackupsForJob(&j)
assert.Nil(t, err)
assert.Equal(t, 1, len(bslice))
bslice, err = s.BackupsForJob(&j2)
assert.Nil(t, err)
assert.Equal(t, 0, len(bslice))
s.DeleteBackup(&b2)
bslice, err = s.Backups()
assert.Nil(t, err)
assert.Equal(t, 0, len(bslice))
_, err = s.Backup(b.ID)
assert.NotNil(t, err)
s.DeleteRemote(&r)
}