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fs / archiver: convert to handle based interface

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The actual implementation still relies on file paths, but with the
abstraction layer in place, an FS implementation can ensure atomic file
accesses in the future.
This commit is contained in:
Michael Eischer
2024-11-02 20:27:38 +01:00
parent 2f2ce9add2
commit 48dbefc37e
18 changed files with 356 additions and 284 deletions
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62
internal/fs/node_test.go
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@@ -17,56 +17,26 @@ import (
rtest "github.com/restic/restic/internal/test"
)
func BenchmarkNodeFillUser(t *testing.B) {
tempfile, err := os.CreateTemp("", "restic-test-temp-")
if err != nil {
t.Fatal(err)
}
fi, err := tempfile.Stat()
if err != nil {
t.Fatal(err)
}
func BenchmarkNodeFromFileInfo(t *testing.B) {
tempfile, err := os.CreateTemp(t.TempDir(), "restic-test-temp-")
rtest.OK(t, err)
path := tempfile.Name()
rtest.OK(t, tempfile.Close())
fs := Local{}
f, err := fs.OpenFile(path, O_NOFOLLOW, true)
rtest.OK(t, err)
_, err = f.Stat()
rtest.OK(t, err)
t.ResetTimer()
for i := 0; i < t.N; i++ {
_, err := fs.NodeFromFileInfo(path, fi, false)
_, err := f.ToNode(false)
rtest.OK(t, err)
}
rtest.OK(t, tempfile.Close())
rtest.RemoveAll(t, tempfile.Name())
}
func BenchmarkNodeFromFileInfo(t *testing.B) {
tempfile, err := os.CreateTemp("", "restic-test-temp-")
if err != nil {
t.Fatal(err)
}
fi, err := tempfile.Stat()
if err != nil {
t.Fatal(err)
}
path := tempfile.Name()
fs := Local{}
t.ResetTimer()
for i := 0; i < t.N; i++ {
_, err := fs.NodeFromFileInfo(path, fi, false)
if err != nil {
t.Fatal(err)
}
}
rtest.OK(t, tempfile.Close())
rtest.RemoveAll(t, tempfile.Name())
rtest.OK(t, f.Close())
}
func parseTime(s string) time.Time {
@@ -249,14 +219,14 @@ func TestNodeRestoreAt(t *testing.T) {
rtest.OK(t, NodeCreateAt(&test, nodePath))
rtest.OK(t, NodeRestoreMetadata(&test, nodePath, func(msg string) { rtest.OK(t, fmt.Errorf("Warning triggered for path: %s: %s", nodePath, msg)) }))
fi, err := os.Lstat(nodePath)
rtest.OK(t, err)
fs := &Local{}
n2, err := fs.NodeFromFileInfo(nodePath, fi, false)
meta, err := fs.OpenFile(nodePath, O_NOFOLLOW, true)
rtest.OK(t, err)
n3, err := fs.NodeFromFileInfo(nodePath, fi, true)
n2, err := meta.ToNode(false)
rtest.OK(t, err)
n3, err := meta.ToNode(true)
rtest.OK(t, err)
rtest.OK(t, meta.Close())
rtest.Assert(t, n2.Equals(*n3), "unexpected node info mismatch %v", cmp.Diff(n2, n3))
rtest.Assert(t, test.Name == n2.Name,