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gc_test.go
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gc_test.go
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package main
import (
"bytes"
"context"
"testing"
"time"
"github.com/google/uuid"
"github.com/sirupsen/logrus"
)
func TestGC(t *testing.T) {
ctx := context.Background()
now := time.Now()
db, err := newDB(t.TempDir() + "/db")
if err != nil {
t.Fatal(err)
}
defer db.Close()
rec := newRecorder(db)
dcs := newDiskChunkStore(rec, t.TempDir(), "/lol")
// write some shit
for _, upd := range []time.Time{now, now.Add(-48 * time.Hour)} {
if _, err := db.ExecContext(ctx,
`insert into sessions (id, data, updated_at) values ($1, '{}', $2)`,
uuid.New().String(), upd.UTC()); err != nil {
t.Fatal(err)
}
}
for _, dat := range []string{"one", "two"} {
fs, err := dcs.FetcherStore("ts")
if err != nil {
t.Fatal(err)
}
if err := fs.WriteChunk(ctx, dat, 10, bytes.NewReader([]byte(dat))); err != nil {
t.Fatal(err)
}
}
if _, err := db.ExecContext(ctx,
`update chunks set fetched_at = $1 where stream_id = 'ts' and sequence = 1`,
now.Add(-48*time.Hour).UTC()); err != nil {
t.Fatal(err)
}
gc := newGarbageCollector(logrus.New(), db, dcs)
if err := gc.collect(); err != nil {
t.Fatal(err)
}
var c1 int
if err := db.QueryRowContext(ctx, `select count(*) from chunks`).Scan(&c1); err != nil {
t.Fatal(err)
}
if c1 != 1 {
t.Error("post GC should be one chunk")
}
// TODO - why does two scans hang?
var c2 int
if err := db.QueryRowContext(ctx, `select count(*) from sessions`).Scan(&c2); err != nil {
t.Fatal(err)
}
if c2 != 1 {
t.Error("post GC should be one session")
}
}