tvl-depot/tvix/castore-go/castore_test.go

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package castorev1_test
import (
"testing"
castorev1pb "code.tvl.fyi/tvix/castore-go"
"github.com/stretchr/testify/assert"
)
var (
dummyDigest = []byte{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
}
)
func TestDirectorySize(t *testing.T) {
t.Run("empty", func(t *testing.T) {
d := castorev1pb.Directory{
Directories: []*castorev1pb.DirectoryNode{},
Files: []*castorev1pb.FileNode{},
Symlinks: []*castorev1pb.SymlinkNode{},
}
assert.Equal(t, uint64(0), d.Size())
})
t.Run("containing single empty directory", func(t *testing.T) {
d := castorev1pb.Directory{
Directories: []*castorev1pb.DirectoryNode{{
Name: []byte([]byte("foo")),
Digest: dummyDigest,
Size: 0,
}},
Files: []*castorev1pb.FileNode{},
Symlinks: []*castorev1pb.SymlinkNode{},
}
assert.Equal(t, uint64(1), d.Size())
})
t.Run("containing single non-empty directory", func(t *testing.T) {
d := castorev1pb.Directory{
Directories: []*castorev1pb.DirectoryNode{{
Name: []byte("foo"),
Digest: dummyDigest,
Size: 4,
}},
Files: []*castorev1pb.FileNode{},
Symlinks: []*castorev1pb.SymlinkNode{},
}
assert.Equal(t, uint64(5), d.Size())
})
t.Run("containing single file", func(t *testing.T) {
d := castorev1pb.Directory{
Directories: []*castorev1pb.DirectoryNode{},
Files: []*castorev1pb.FileNode{{
Name: []byte("foo"),
Digest: dummyDigest,
Size: 42,
Executable: false,
}},
Symlinks: []*castorev1pb.SymlinkNode{},
}
assert.Equal(t, uint64(1), d.Size())
})
t.Run("containing single symlink", func(t *testing.T) {
d := castorev1pb.Directory{
Directories: []*castorev1pb.DirectoryNode{},
Files: []*castorev1pb.FileNode{},
Symlinks: []*castorev1pb.SymlinkNode{{
Name: []byte("foo"),
Target: []byte("bar"),
}},
}
assert.Equal(t, uint64(1), d.Size())
})
}
func TestDirectoryDigest(t *testing.T) {
d := castorev1pb.Directory{
Directories: []*castorev1pb.DirectoryNode{},
Files: []*castorev1pb.FileNode{},
Symlinks: []*castorev1pb.SymlinkNode{},
}
dgst, err := d.Digest()
assert.NoError(t, err, "calling Digest() on a directory shouldn't error")
assert.Equal(t, []byte{
0xaf, 0x13, 0x49, 0xb9, 0xf5, 0xf9, 0xa1, 0xa6, 0xa0, 0x40, 0x4d, 0xea, 0x36, 0xdc,
0xc9, 0x49, 0x9b, 0xcb, 0x25, 0xc9, 0xad, 0xc1, 0x12, 0xb7, 0xcc, 0x9a, 0x93, 0xca,
0xe4, 0x1f, 0x32, 0x62,
}, dgst)
}
func TestDirectoryValidate(t *testing.T) {
t.Run("empty", func(t *testing.T) {
d := castorev1pb.Directory{
Directories: []*castorev1pb.DirectoryNode{},
Files: []*castorev1pb.FileNode{},
Symlinks: []*castorev1pb.SymlinkNode{},
}
assert.NoError(t, d.Validate())
})
t.Run("invalid names", func(t *testing.T) {
{
d := castorev1pb.Directory{
Directories: []*castorev1pb.DirectoryNode{{
Name: []byte{},
Digest: dummyDigest,
Size: 42,
}},
Files: []*castorev1pb.FileNode{},
Symlinks: []*castorev1pb.SymlinkNode{},
}
assert.ErrorContains(t, d.Validate(), "invalid node name")
}
{
d := castorev1pb.Directory{
Directories: []*castorev1pb.DirectoryNode{{
Name: []byte("."),
Digest: dummyDigest,
Size: 42,
}},
Files: []*castorev1pb.FileNode{},
Symlinks: []*castorev1pb.SymlinkNode{},
}
assert.ErrorContains(t, d.Validate(), "invalid node name")
}
{
d := castorev1pb.Directory{
Directories: []*castorev1pb.DirectoryNode{},
Files: []*castorev1pb.FileNode{{
Name: []byte(".."),
Digest: dummyDigest,
Size: 42,
Executable: false,
}},
Symlinks: []*castorev1pb.SymlinkNode{},
}
assert.ErrorContains(t, d.Validate(), "invalid node name")
}
{
d := castorev1pb.Directory{
Directories: []*castorev1pb.DirectoryNode{},
Files: []*castorev1pb.FileNode{},
Symlinks: []*castorev1pb.SymlinkNode{{
Name: []byte("\x00"),
Target: []byte("foo"),
}},
}
assert.ErrorContains(t, d.Validate(), "invalid node name")
}
{
d := castorev1pb.Directory{
Directories: []*castorev1pb.DirectoryNode{},
Files: []*castorev1pb.FileNode{},
Symlinks: []*castorev1pb.SymlinkNode{{
Name: []byte("foo/bar"),
Target: []byte("foo"),
}},
}
assert.ErrorContains(t, d.Validate(), "invalid node name")
}
})
t.Run("invalid digest", func(t *testing.T) {
d := castorev1pb.Directory{
Directories: []*castorev1pb.DirectoryNode{{
Name: []byte("foo"),
Digest: nil,
Size: 42,
}},
Files: []*castorev1pb.FileNode{},
Symlinks: []*castorev1pb.SymlinkNode{},
}
assert.ErrorContains(t, d.Validate(), "invalid digest length")
})
t.Run("invalid symlink targets", func(t *testing.T) {
{
d := castorev1pb.Directory{
Directories: []*castorev1pb.DirectoryNode{},
Files: []*castorev1pb.FileNode{},
Symlinks: []*castorev1pb.SymlinkNode{{
Name: []byte("foo"),
Target: []byte{},
}},
}
assert.ErrorContains(t, d.Validate(), "invalid symlink target")
}
{
d := castorev1pb.Directory{
Directories: []*castorev1pb.DirectoryNode{},
Files: []*castorev1pb.FileNode{},
Symlinks: []*castorev1pb.SymlinkNode{{
Name: []byte("foo"),
Target: []byte{0x66, 0x6f, 0x6f, 0},
}},
}
assert.ErrorContains(t, d.Validate(), "invalid symlink target")
}
})
t.Run("sorting", func(t *testing.T) {
// "b" comes before "a", bad.
{
d := castorev1pb.Directory{
Directories: []*castorev1pb.DirectoryNode{{
Name: []byte("b"),
Digest: dummyDigest,
Size: 42,
}, {
Name: []byte("a"),
Digest: dummyDigest,
Size: 42,
}},
Files: []*castorev1pb.FileNode{},
Symlinks: []*castorev1pb.SymlinkNode{},
}
assert.ErrorContains(t, d.Validate(), "is not in sorted order")
}
// "a" exists twice, bad.
{
d := castorev1pb.Directory{
Directories: []*castorev1pb.DirectoryNode{{
Name: []byte("a"),
Digest: dummyDigest,
Size: 42,
}},
Files: []*castorev1pb.FileNode{{
Name: []byte("a"),
Digest: dummyDigest,
Size: 42,
Executable: false,
}},
Symlinks: []*castorev1pb.SymlinkNode{},
}
assert.ErrorContains(t, d.Validate(), "duplicate name")
}
// "a" comes before "b", all good.
{
d := castorev1pb.Directory{
Directories: []*castorev1pb.DirectoryNode{{
Name: []byte("a"),
Digest: dummyDigest,
Size: 42,
}, {
Name: []byte("b"),
Digest: dummyDigest,
Size: 42,
}},
Files: []*castorev1pb.FileNode{},
Symlinks: []*castorev1pb.SymlinkNode{},
}
assert.NoError(t, d.Validate(), "shouldn't error")
}
// [b, c] and [a] are both properly sorted.
{
d := castorev1pb.Directory{
Directories: []*castorev1pb.DirectoryNode{{
Name: []byte("b"),
Digest: dummyDigest,
Size: 42,
}, {
Name: []byte("c"),
Digest: dummyDigest,
Size: 42,
}},
Files: []*castorev1pb.FileNode{},
Symlinks: []*castorev1pb.SymlinkNode{{
Name: []byte("a"),
Target: []byte("foo"),
}},
}
assert.NoError(t, d.Validate(), "shouldn't error")
}
})
}