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compact_test.go
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/
compact_test.go
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package lasr
import (
"context"
"fmt"
"testing"
)
func TestCompactDB(t *testing.T) {
q, _ := newQ(t)
// defer cleanup()
// TODO(eric): make cleanup work with Compact
for i := 0; i < 1000; i++ {
if _, err := q.Send([]byte(fmt.Sprintf("%d", i))); err != nil {
t.Fatal(err)
}
}
for i := 0; i < 600; i++ {
if _, err := q.Receive(context.Background()); err != nil {
t.Fatal(err)
}
}
oldStats := q.db.Stats()
if err := q.Compact(); err != nil {
t.Fatal(err)
}
if msg, err := q.Receive(context.Background()); err != nil {
t.Fatal(err)
} else if len(msg.Body) == 0 {
t.Fatal("message length zero")
}
newStats := q.db.Stats()
oldPages := oldStats.TxStats.PageCount
newPages := newStats.TxStats.PageCount
if oldPages <= newPages {
t.Fatalf("expected fewer pages in new db (%d old, %d new)", oldPages, newPages)
}
for i := 0; i < 399; i++ {
if msg, err := q.Receive(context.Background()); err != nil {
t.Fatal(err)
} else if len(msg.Body) == 0 {
t.Fatal("message length zero")
}
}
}