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c0b5ec55ab
TestRepository and its variants always returned no-op cleanup functions. If they ever do need to do cleanup, using testing.T.Cleanup is easier than passing these functions around.
135 lines
3.6 KiB
Go
135 lines
3.6 KiB
Go
package repository
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import (
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"context"
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"fmt"
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"os"
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"testing"
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"github.com/restic/restic/internal/backend/local"
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"github.com/restic/restic/internal/backend/mem"
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"github.com/restic/restic/internal/crypto"
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"github.com/restic/restic/internal/restic"
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"github.com/restic/restic/internal/test"
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"github.com/restic/chunker"
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)
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// testKDFParams are the parameters for the KDF to be used during testing.
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var testKDFParams = crypto.Params{
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N: 128,
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R: 1,
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P: 1,
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}
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type logger interface {
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Logf(format string, args ...interface{})
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}
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// TestUseLowSecurityKDFParameters configures low-security KDF parameters for testing.
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func TestUseLowSecurityKDFParameters(t logger) {
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t.Logf("using low-security KDF parameters for test")
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Params = &testKDFParams
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}
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// TestBackend returns a fully configured in-memory backend.
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func TestBackend(t testing.TB) restic.Backend {
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return mem.New()
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}
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const TestChunkerPol = chunker.Pol(0x3DA3358B4DC173)
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// TestRepositoryWithBackend returns a repository initialized with a test
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// password. If be is nil, an in-memory backend is used. A constant polynomial
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// is used for the chunker and low-security test parameters.
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func TestRepositoryWithBackend(t testing.TB, be restic.Backend, version uint) restic.Repository {
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t.Helper()
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TestUseLowSecurityKDFParameters(t)
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restic.TestDisableCheckPolynomial(t)
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if be == nil {
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be = TestBackend(t)
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}
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repo, err := New(be, Options{})
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if err != nil {
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t.Fatalf("TestRepository(): new repo failed: %v", err)
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}
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cfg := restic.TestCreateConfig(t, TestChunkerPol, version)
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err = repo.init(context.TODO(), test.TestPassword, cfg)
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if err != nil {
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t.Fatalf("TestRepository(): initialize repo failed: %v", err)
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}
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return repo
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}
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// TestRepository returns a repository initialized with a test password on an
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// in-memory backend. When the environment variable RESTIC_TEST_REPO is set to
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// a non-existing directory, a local backend is created there and this is used
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// instead. The directory is not removed, but left there for inspection.
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func TestRepository(t testing.TB) restic.Repository {
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t.Helper()
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return TestRepositoryWithVersion(t, 0)
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}
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func TestRepositoryWithVersion(t testing.TB, version uint) restic.Repository {
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t.Helper()
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dir := os.Getenv("RESTIC_TEST_REPO")
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if dir != "" {
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_, err := os.Stat(dir)
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if err != nil {
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be, err := local.Create(context.TODO(), local.Config{Path: dir})
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if err != nil {
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t.Fatalf("error creating local backend at %v: %v", dir, err)
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}
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return TestRepositoryWithBackend(t, be, version)
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}
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if err == nil {
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t.Logf("directory at %v already exists, using mem backend", dir)
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}
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}
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return TestRepositoryWithBackend(t, nil, version)
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}
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// TestOpenLocal opens a local repository.
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func TestOpenLocal(t testing.TB, dir string) (r restic.Repository) {
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be, err := local.Open(context.TODO(), local.Config{Path: dir, Connections: 2})
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if err != nil {
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t.Fatal(err)
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}
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repo, err := New(be, Options{})
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if err != nil {
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t.Fatal(err)
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}
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err = repo.SearchKey(context.TODO(), test.TestPassword, 10, "")
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if err != nil {
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t.Fatal(err)
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}
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return repo
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}
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type VersionedTest func(t *testing.T, version uint)
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func TestAllVersions(t *testing.T, test VersionedTest) {
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for version := restic.MinRepoVersion; version <= restic.MaxRepoVersion; version++ {
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t.Run(fmt.Sprintf("v%d", version), func(t *testing.T) {
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test(t, uint(version))
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})
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}
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}
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type VersionedBenchmark func(b *testing.B, version uint)
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func BenchmarkAllVersions(b *testing.B, bench VersionedBenchmark) {
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for version := restic.MinRepoVersion; version <= restic.MaxRepoVersion; version++ {
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b.Run(fmt.Sprintf("v%d", version), func(b *testing.B) {
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bench(b, uint(version))
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})
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}
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}
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