TrueCloudLab/restic
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move Backend interface to backend package

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This commit is contained in:
Michael Eischer 2023-10-01 11:40:12 +02:00
parent ceb0774af1
commit 1b8a67fe76
105 changed files with 822 additions and 775 deletions
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64
internal/backend/sema/backend_test.go
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@ -8,37 +8,37 @@ import (
"testing"
"time"
"github.com/restic/restic/internal/backend"
"github.com/restic/restic/internal/backend/mock"
"github.com/restic/restic/internal/backend/sema"
"github.com/restic/restic/internal/restic"
"github.com/restic/restic/internal/test"
"golang.org/x/sync/errgroup"
)
func TestParameterValidationSave(t *testing.T) {
m := mock.NewBackend()
m.SaveFn = func(ctx context.Context, h restic.Handle, rd restic.RewindReader) error {
m.SaveFn = func(ctx context.Context, h backend.Handle, rd backend.RewindReader) error {
return nil
}
be := sema.NewBackend(m)
err := be.Save(context.TODO(), restic.Handle{}, nil)
err := be.Save(context.TODO(), backend.Handle{}, nil)
test.Assert(t, err != nil, "Save() with invalid handle did not return an error")
}
func TestParameterValidationLoad(t *testing.T) {
m := mock.NewBackend()
m.OpenReaderFn = func(ctx context.Context, h restic.Handle, length int, offset int64) (io.ReadCloser, error) {
m.OpenReaderFn = func(ctx context.Context, h backend.Handle, length int, offset int64) (io.ReadCloser, error) {
return io.NopCloser(nil), nil
}
be := sema.NewBackend(m)
nilCb := func(rd io.Reader) error { return nil }
err := be.Load(context.TODO(), restic.Handle{}, 10, 0, nilCb)
err := be.Load(context.TODO(), backend.Handle{}, 10, 0, nilCb)
test.Assert(t, err != nil, "Load() with invalid handle did not return an error")
h := restic.Handle{Type: restic.PackFile, Name: "foobar"}
h := backend.Handle{Type: backend.PackFile, Name: "foobar"}
err = be.Load(context.TODO(), h, 10, -1, nilCb)
test.Assert(t, err != nil, "Save() with negative offset did not return an error")
err = be.Load(context.TODO(), h, -1, 0, nilCb)
@ -47,23 +47,23 @@ func TestParameterValidationLoad(t *testing.T) {
func TestParameterValidationStat(t *testing.T) {
m := mock.NewBackend()
m.StatFn = func(ctx context.Context, h restic.Handle) (restic.FileInfo, error) {
return restic.FileInfo{}, nil
m.StatFn = func(ctx context.Context, h backend.Handle) (backend.FileInfo, error) {
return backend.FileInfo{}, nil
}
be := sema.NewBackend(m)
_, err := be.Stat(context.TODO(), restic.Handle{})
_, err := be.Stat(context.TODO(), backend.Handle{})
test.Assert(t, err != nil, "Stat() with invalid handle did not return an error")
}
func TestParameterValidationRemove(t *testing.T) {
m := mock.NewBackend()
m.RemoveFn = func(ctx context.Context, h restic.Handle) error {
m.RemoveFn = func(ctx context.Context, h backend.Handle) error {
return nil
}
be := sema.NewBackend(m)
err := be.Remove(context.TODO(), restic.Handle{})
err := be.Remove(context.TODO(), backend.Handle{})
test.Assert(t, err != nil, "Remove() with invalid handle did not return an error")
}
@ -71,7 +71,7 @@ func TestUnwrap(t *testing.T) {
m := mock.NewBackend()
be := sema.NewBackend(m)
unwrapper := be.(restic.BackendUnwrapper)
unwrapper := be.(backend.Unwrapper)
test.Assert(t, unwrapper.Unwrap() == m, "Unwrap() returned wrong backend")
}
@ -100,7 +100,7 @@ func countingBlocker() (func(), func(int) int) {
return wait, unblock
}
func concurrencyTester(t *testing.T, setup func(m *mock.Backend), handler func(be restic.Backend) func() error, unblock func(int) int, isUnlimited bool) {
func concurrencyTester(t *testing.T, setup func(m *mock.Backend), handler func(be backend.Backend) func() error, unblock func(int) int, isUnlimited bool) {
expectBlocked := int(2)
workerCount := expectBlocked + 1
@ -125,13 +125,13 @@ func concurrencyTester(t *testing.T, setup func(m *mock.Backend), handler func(b
func TestConcurrencyLimitSave(t *testing.T) {
wait, unblock := countingBlocker()
concurrencyTester(t, func(m *mock.Backend) {
m.SaveFn = func(ctx context.Context, h restic.Handle, rd restic.RewindReader) error {
m.SaveFn = func(ctx context.Context, h backend.Handle, rd backend.RewindReader) error {
wait()
return nil
}
}, func(be restic.Backend) func() error {
}, func(be backend.Backend) func() error {
return func() error {
h := restic.Handle{Type: restic.PackFile, Name: "foobar"}
h := backend.Handle{Type: backend.PackFile, Name: "foobar"}
return be.Save(context.TODO(), h, nil)
}
}, unblock, false)
@ -140,13 +140,13 @@ func TestConcurrencyLimitSave(t *testing.T) {
func TestConcurrencyLimitLoad(t *testing.T) {
wait, unblock := countingBlocker()
concurrencyTester(t, func(m *mock.Backend) {
m.OpenReaderFn = func(ctx context.Context, h restic.Handle, length int, offset int64) (io.ReadCloser, error) {
m.OpenReaderFn = func(ctx context.Context, h backend.Handle, length int, offset int64) (io.ReadCloser, error) {
wait()
return io.NopCloser(nil), nil
}
}, func(be restic.Backend) func() error {
}, func(be backend.Backend) func() error {
return func() error {
h := restic.Handle{Type: restic.PackFile, Name: "foobar"}
h := backend.Handle{Type: backend.PackFile, Name: "foobar"}
nilCb := func(rd io.Reader) error { return nil }
return be.Load(context.TODO(), h, 10, 0, nilCb)
}
@ -156,13 +156,13 @@ func TestConcurrencyLimitLoad(t *testing.T) {
func TestConcurrencyLimitStat(t *testing.T) {
wait, unblock := countingBlocker()
concurrencyTester(t, func(m *mock.Backend) {
m.StatFn = func(ctx context.Context, h restic.Handle) (restic.FileInfo, error) {
m.StatFn = func(ctx context.Context, h backend.Handle) (backend.FileInfo, error) {
wait()
return restic.FileInfo{}, nil
return backend.FileInfo{}, nil
}
}, func(be restic.Backend) func() error {
}, func(be backend.Backend) func() error {
return func() error {
h := restic.Handle{Type: restic.PackFile, Name: "foobar"}
h := backend.Handle{Type: backend.PackFile, Name: "foobar"}
_, err := be.Stat(context.TODO(), h)
return err
}
@ -172,13 +172,13 @@ func TestConcurrencyLimitStat(t *testing.T) {
func TestConcurrencyLimitDelete(t *testing.T) {
wait, unblock := countingBlocker()
concurrencyTester(t, func(m *mock.Backend) {
m.RemoveFn = func(ctx context.Context, h restic.Handle) error {
m.RemoveFn = func(ctx context.Context, h backend.Handle) error {
wait()
return nil
}
}, func(be restic.Backend) func() error {
}, func(be backend.Backend) func() error {
return func() error {
h := restic.Handle{Type: restic.PackFile, Name: "foobar"}
h := backend.Handle{Type: backend.PackFile, Name: "foobar"}
return be.Remove(context.TODO(), h)
}
}, unblock, false)
@ -187,13 +187,13 @@ func TestConcurrencyLimitDelete(t *testing.T) {
func TestConcurrencyUnlimitedLockSave(t *testing.T) {
wait, unblock := countingBlocker()
concurrencyTester(t, func(m *mock.Backend) {
m.SaveFn = func(ctx context.Context, h restic.Handle, rd restic.RewindReader) error {
m.SaveFn = func(ctx context.Context, h backend.Handle, rd backend.RewindReader) error {
wait()
return nil
}
}, func(be restic.Backend) func() error {
}, func(be backend.Backend) func() error {
return func() error {
h := restic.Handle{Type: restic.LockFile, Name: "foobar"}
h := backend.Handle{Type: backend.LockFile, Name: "foobar"}
return be.Save(context.TODO(), h, nil)
}
}, unblock, true)
@ -202,13 +202,13 @@ func TestConcurrencyUnlimitedLockSave(t *testing.T) {
func TestFreeze(t *testing.T) {
var counter int64
m := mock.NewBackend()
m.SaveFn = func(ctx context.Context, h restic.Handle, rd restic.RewindReader) error {
m.SaveFn = func(ctx context.Context, h backend.Handle, rd backend.RewindReader) error {
atomic.AddInt64(&counter, 1)
return nil
}
m.ConnectionsFn = func() uint { return 2 }
be := sema.NewBackend(m)
fb := be.(restic.FreezeBackend)
fb := be.(backend.FreezeBackend)
// Freeze backend
fb.Freeze()
@ -218,7 +218,7 @@ func TestFreeze(t *testing.T) {
wg.Add(1)
go func() {
defer wg.Done()
h := restic.Handle{Type: restic.PackFile, Name: "foobar"}
h := backend.Handle{Type: backend.PackFile, Name: "foobar"}
test.OK(t, be.Save(context.TODO(), h, nil))
}()