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package writer
import (
"testing"
storev1pb "code.tvl.fyi/tvix/store/protos"
"github.com/google/go-cmp/cmp"
"github.com/stretchr/testify/require"
"google.golang.org/protobuf/testing/protocmp"
)
func requireProtoEq(t *testing.T, expected interface{}, actual interface{}) {
if diff := cmp.Diff(expected, actual, protocmp.Transform()); diff != "" {
t.Errorf("unexpected difference:\n%v", diff)
}
}
func TestPopNextNode(t *testing.T) {
t.Run("empty directory", func(t *testing.T) {
d := &storev1pb.Directory{
Directories: []*storev1pb.DirectoryNode{},
Files: []*storev1pb.FileNode{},
Symlinks: []*storev1pb.SymlinkNode{},
}
n := drainNextNode(d)
require.Equal(t, nil, n)
})
t.Run("only directories", func(t *testing.T) {
ds := &storev1pb.Directory{
Directories: []*storev1pb.DirectoryNode{{
Name: []byte("a"),
Digest: []byte{},
Size: 0,
}, {
Name: []byte("b"),
Digest: []byte{},
Size: 0,
}},
Files: []*storev1pb.FileNode{},
Symlinks: []*storev1pb.SymlinkNode{},
}
n := drainNextNode(ds)
requireProtoEq(t, &storev1pb.DirectoryNode{
Name: []byte("a"),
Digest: []byte{},
Size: 0,
}, n)
})
}
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