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|
//go:build go1.24
package torchwood_test
import (
"bytes"
"fmt"
"log/slog"
"path/filepath"
"testing"
"filippo.io/torchwood"
"golang.org/x/mod/sumdb/tlog"
)
func TestReadEndpoint(t *testing.T) {
handler, _ := testLogHandler(t)
fetcher, err := torchwood.NewTileFetcher("https://sum.golang.org/",
torchwood.WithTileFetcherLogger(slog.New(handler)))
if err != nil {
t.Fatal(err)
}
data, err := fetcher.ReadEndpoint(t.Context(), "latest")
if err != nil {
t.Fatal(err)
}
if !bytes.HasPrefix(data, []byte("go.sum database tree\n")) {
t.Fatalf("got %q, want prefix %q", data, "go.sum database tree\n")
}
}
func TestSumDB(t *testing.T) {
latest := []byte(`go.sum database tree
31048497
InZSsRXdXKTMF3W5wEcd9T6ro5zyOiRMGQsEPSTco6U=
`)
tree, err := tlog.ParseTree(latest)
if err != nil {
t.Fatal(err)
}
handler, _ := testLogHandler(t)
for _, idx := range []int64{0, 1, 255, 256, 257,
31048497 - 31048497%256 - 1, 31048497 - 31048497%256,
31048497 - 31048497%256 + 1, 31048497 - 1} {
t.Run(fmt.Sprintf("Entry%d", idx), func(t *testing.T) {
fetcher, err := torchwood.NewTileFetcher("https://sum.golang.org/",
torchwood.WithTilePath(tlog.Tile.Path),
torchwood.WithTileFetcherLogger(slog.New(handler)))
if err != nil {
t.Fatal(err)
}
client, err := torchwood.NewClient(fetcher, torchwood.WithSumDBEntries())
if err != nil {
t.Fatal(err)
}
entry, proof, err := client.Entry(t.Context(), tree, idx)
if err != nil {
t.Fatal(err)
}
rh := tlog.RecordHash(entry)
if err := tlog.CheckRecord(proof, tree.N, tree.Hash, idx, rh); err != nil {
t.Fatalf("CheckRecord failed: %v", err)
}
})
}
tests := []struct {
start int64
expect int
expectAll int
}{
{0, 1000, 1000},
{100000, 1000, 1000},
{31048497 - 1000, 1000 - 31048497%256, 1000}, // Stop before the partial (without AllEntries).
{31048497 - 31048497%256, 31048497 % 256, 31048497 % 256}, // Consume the partial.
{31048497, 0, 0},
}
for _, tt := range tests {
t.Run(fmt.Sprintf("Start%d", tt.start), func(t *testing.T) {
t.Run("NoCache", func(t *testing.T) {
fetcher, err := torchwood.NewTileFetcher("https://sum.golang.org/",
torchwood.WithTilePath(tlog.Tile.Path),
torchwood.WithTileFetcherLogger(slog.New(handler)))
if err != nil {
t.Fatal(err)
}
client, err := torchwood.NewClient(fetcher, torchwood.WithSumDBEntries())
if err != nil {
t.Fatal(err)
}
count := 0
for range client.Entries(t.Context(), tree, tt.start) {
count++
if count >= 1000 {
break
}
}
if err := client.Err(); err != nil {
t.Fatal(err)
}
if count != tt.expect {
t.Errorf("got %d entries, want %d", count, tt.expect)
}
count = 0
for range client.AllEntries(t.Context(), tree, tt.start) {
count++
if count >= 1000 {
break
}
}
if err := client.Err(); err != nil {
t.Fatal(err)
}
if count != tt.expectAll {
t.Errorf("got %d entries with AllEntries, want %d", count, tt.expectAll)
}
})
t.Run("DirCache", func(t *testing.T) {
fetcher, err := torchwood.NewTileFetcher("https://sum.golang.org/",
torchwood.WithTilePath(tlog.Tile.Path),
torchwood.WithTileFetcherLogger(slog.New(handler)))
if err != nil {
t.Fatal(err)
}
dirCache, err := torchwood.NewPermanentCache(fetcher, t.TempDir(),
torchwood.WithPermanentCacheLogger(slog.New(handler)),
torchwood.WithPermanentCacheTilePath(tlog.Tile.Path))
if err != nil {
t.Fatal(err)
}
client, err := torchwood.NewClient(dirCache, torchwood.WithSumDBEntries())
if err != nil {
t.Fatal(err)
}
count := 0
for range client.Entries(t.Context(), tree, tt.start) {
count++
if count >= 1000 {
break
}
}
if err := client.Err(); err != nil {
t.Fatal(err)
}
if count != tt.expect {
t.Errorf("got %d entries, want %d", count, tt.expect)
}
// Again, from cache.
client, err = torchwood.NewClient(dirCache, torchwood.WithSumDBEntries())
if err != nil {
t.Fatal(err)
}
count = 0
for range client.Entries(t.Context(), tree, tt.start) {
count++
if count >= 1000 {
break
}
}
if err := client.Err(); err != nil {
t.Fatal(err)
}
if count != tt.expect {
t.Errorf("got %d entries, want %d", count, tt.expect)
}
})
})
}
}
func testLogHandler(t testing.TB) (slog.Handler, *slog.LevelVar) {
level := &slog.LevelVar{}
level.Set(slog.LevelDebug)
h := slog.NewTextHandler(writerFunc(func(p []byte) (n int, err error) {
t.Logf("%s", p)
return len(p), nil
}), &slog.HandlerOptions{
AddSource: true,
Level: level,
ReplaceAttr: func(groups []string, a slog.Attr) slog.Attr {
if a.Key == slog.SourceKey {
src := a.Value.Any().(*slog.Source)
a.Value = slog.StringValue(fmt.Sprintf("%s:%d", filepath.Base(src.File), src.Line))
}
return a
},
})
return h, level
}
type writerFunc func(p []byte) (n int, err error)
func (f writerFunc) Write(p []byte) (n int, err error) {
return f(p)
}
|
