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test that TestFindListOnce calls List only once

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This commit is contained in:
Michael Eischer 2021-11-07 20:26:33 +01:00
parent 9e12159230
commit 4636c20397
1 changed files with 34 additions and 0 deletions
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34
cmd/restic/integration_test.go
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@ -2136,3 +2136,37 @@ func TestBackendLoadWriteTo(t *testing.T) {
rtest.Assert(t, len(firstSnapshot) == 1,
"expected one snapshot, got %v", firstSnapshot)
}
func TestFindListOnce(t *testing.T) {
env, cleanup := withTestEnvironment(t)
defer cleanup()
env.gopts.backendTestHook = func(r restic.Backend) (restic.Backend, error) {
return newListOnceBackend(r), nil
}
testSetupBackupData(t, env)
opts := BackupOptions{}
testRunBackup(t, "", []string{filepath.Join(env.testdata, "0", "0", "9")}, opts, env.gopts)
testRunBackup(t, "", []string{filepath.Join(env.testdata, "0", "0", "9", "2")}, opts, env.gopts)
secondSnapshot := testRunList(t, "snapshots", env.gopts)
testRunBackup(t, "", []string{filepath.Join(env.testdata, "0", "0", "9", "3")}, opts, env.gopts)
thirdSnapshot := restic.NewIDSet(testRunList(t, "snapshots", env.gopts)...)
repo, err := OpenRepository(env.gopts)
rtest.OK(t, err)
snapshotIDs := restic.NewIDSet()
// specify the two oldest snapshots explicitly and use "latest" to reference the newest one
for sn := range FindFilteredSnapshots(context.TODO(), repo.Backend(), repo, nil, nil, nil, []string{
secondSnapshot[0].String(),
secondSnapshot[1].String()[:8],
"latest",
}) {
snapshotIDs.Insert(*sn.ID())
}
// the snapshots can only be listed once, if both lists match then the there has been only a single List() call
rtest.Equals(t, thirdSnapshot, snapshotIDs)
}