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675a49a95b
The tests are now split into individual files for each command. The separation isn't perfect as many tests make use of multiple commands. In particular `init`, `backup`, `check` and `list` are used by a larger number of test cases. Most tests now reside in files name cmd_<name>_integration_test.go. This provides a certain indication which commands have significant test coverage.
136 lines
4.0 KiB
Go
136 lines
4.0 KiB
Go
package main
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import (
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"context"
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"hash/fnv"
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"io"
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"math/rand"
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"os"
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"path/filepath"
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"reflect"
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"testing"
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"github.com/restic/restic/internal/restic"
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rtest "github.com/restic/restic/internal/test"
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)
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func testRunRepairSnapshot(t testing.TB, gopts GlobalOptions, forget bool) {
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opts := RepairOptions{
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Forget: forget,
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}
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rtest.OK(t, runRepairSnapshots(context.TODO(), gopts, opts, nil))
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}
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func createRandomFile(t testing.TB, env *testEnvironment, path string, size int) {
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fn := filepath.Join(env.testdata, path)
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rtest.OK(t, os.MkdirAll(filepath.Dir(fn), 0o755))
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h := fnv.New64()
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_, err := h.Write([]byte(path))
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rtest.OK(t, err)
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r := rand.New(rand.NewSource(int64(h.Sum64())))
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f, err := os.OpenFile(fn, os.O_CREATE|os.O_RDWR, 0o644)
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rtest.OK(t, err)
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_, err = io.Copy(f, io.LimitReader(r, int64(size)))
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rtest.OK(t, err)
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rtest.OK(t, f.Close())
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}
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func TestRepairSnapshotsWithLostData(t *testing.T) {
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env, cleanup := withTestEnvironment(t)
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defer cleanup()
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testRunInit(t, env.gopts)
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createRandomFile(t, env, "foo/bar/file", 512*1024)
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testRunBackup(t, "", []string{env.testdata}, BackupOptions{}, env.gopts)
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testListSnapshots(t, env.gopts, 1)
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// damage repository
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removePacksExcept(env.gopts, t, restic.NewIDSet(), false)
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createRandomFile(t, env, "foo/bar/file2", 256*1024)
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testRunBackup(t, "", []string{env.testdata}, BackupOptions{}, env.gopts)
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snapshotIDs := testListSnapshots(t, env.gopts, 2)
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testRunCheckMustFail(t, env.gopts)
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// repair but keep broken snapshots
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testRunRebuildIndex(t, env.gopts)
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testRunRepairSnapshot(t, env.gopts, false)
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testListSnapshots(t, env.gopts, 4)
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testRunCheckMustFail(t, env.gopts)
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// repository must be ok after removing the broken snapshots
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testRunForget(t, env.gopts, snapshotIDs[0].String(), snapshotIDs[1].String())
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testListSnapshots(t, env.gopts, 2)
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_, err := testRunCheckOutput(env.gopts, false)
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rtest.OK(t, err)
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}
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func TestRepairSnapshotsWithLostTree(t *testing.T) {
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env, cleanup := withTestEnvironment(t)
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defer cleanup()
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testRunInit(t, env.gopts)
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createRandomFile(t, env, "foo/bar/file", 12345)
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testRunBackup(t, "", []string{env.testdata}, BackupOptions{}, env.gopts)
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oldSnapshot := testListSnapshots(t, env.gopts, 1)
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oldPacks := testRunList(t, "packs", env.gopts)
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// keep foo/bar unchanged
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createRandomFile(t, env, "foo/bar2", 1024)
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testRunBackup(t, "", []string{env.testdata}, BackupOptions{}, env.gopts)
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testListSnapshots(t, env.gopts, 2)
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// remove tree for foo/bar and the now completely broken first snapshot
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removePacks(env.gopts, t, restic.NewIDSet(oldPacks...))
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testRunForget(t, env.gopts, oldSnapshot[0].String())
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testRunCheckMustFail(t, env.gopts)
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// repair
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testRunRebuildIndex(t, env.gopts)
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testRunRepairSnapshot(t, env.gopts, true)
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testListSnapshots(t, env.gopts, 1)
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_, err := testRunCheckOutput(env.gopts, false)
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rtest.OK(t, err)
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}
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func TestRepairSnapshotsWithLostRootTree(t *testing.T) {
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env, cleanup := withTestEnvironment(t)
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defer cleanup()
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testRunInit(t, env.gopts)
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createRandomFile(t, env, "foo/bar/file", 12345)
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testRunBackup(t, "", []string{env.testdata}, BackupOptions{}, env.gopts)
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testListSnapshots(t, env.gopts, 1)
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oldPacks := testRunList(t, "packs", env.gopts)
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// remove all trees
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removePacks(env.gopts, t, restic.NewIDSet(oldPacks...))
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testRunCheckMustFail(t, env.gopts)
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// repair
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testRunRebuildIndex(t, env.gopts)
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testRunRepairSnapshot(t, env.gopts, true)
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testListSnapshots(t, env.gopts, 0)
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_, err := testRunCheckOutput(env.gopts, false)
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rtest.OK(t, err)
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}
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func TestRepairSnapshotsIntact(t *testing.T) {
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env, cleanup := withTestEnvironment(t)
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defer cleanup()
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testSetupBackupData(t, env)
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testRunBackup(t, filepath.Dir(env.testdata), []string{"testdata"}, BackupOptions{}, env.gopts)
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oldSnapshotIDs := testListSnapshots(t, env.gopts, 1)
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// use an exclude that will not exclude anything
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testRunRepairSnapshot(t, env.gopts, false)
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snapshotIDs := testListSnapshots(t, env.gopts, 1)
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rtest.Assert(t, reflect.DeepEqual(oldSnapshotIDs, snapshotIDs), "unexpected snapshot id mismatch %v vs. %v", oldSnapshotIDs, snapshotIDs)
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testRunCheck(t, env.gopts)
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}
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