92 lines
2.3 KiB
Go

package repository
import (
"database/sql"
"testing"
"time"
"github.com/Wei-Shaw/sub2api/internal/config"
"github.com/stretchr/testify/require"
_ "github.com/lib/pq"
)
func TestClampDBPoolSettings(t *testing.T) {
tests := []struct {
name string
connMaxLifetime int
connMaxIdleTime int
wantMaxLifetime time.Duration
wantConnMaxIdleTime time.Duration
}{
{
name: "zero values fall back to safe defaults",
connMaxLifetime: 0,
connMaxIdleTime: 0,
wantMaxLifetime: 30 * time.Minute,
wantConnMaxIdleTime: 5 * time.Minute,
},
{
name: "negative values fall back to safe defaults",
connMaxLifetime: -1,
connMaxIdleTime: -5,
wantMaxLifetime: 30 * time.Minute,
wantConnMaxIdleTime: 5 * time.Minute,
},
{
name: "reasonable values pass through",
connMaxLifetime: 15,
connMaxIdleTime: 3,
wantMaxLifetime: 15 * time.Minute,
wantConnMaxIdleTime: 3 * time.Minute,
},
{
name: "values over twenty four hours fall back to safe defaults",
connMaxLifetime: 24*60 + 1,
connMaxIdleTime: 24*60 + 1,
wantMaxLifetime: 30 * time.Minute,
wantConnMaxIdleTime: 5 * time.Minute,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
cfg := &config.Config{
Database: config.DatabaseConfig{
MaxOpenConns: 50,
MaxIdleConns: 10,
ConnMaxLifetimeMinutes: tt.connMaxLifetime,
ConnMaxIdleTimeMinutes: tt.connMaxIdleTime,
},
}
settings := clampDBPoolSettings(cfg)
require.Equal(t, 50, settings.MaxOpenConns)
require.Equal(t, 10, settings.MaxIdleConns)
require.Equal(t, tt.wantMaxLifetime, settings.ConnMaxLifetime)
require.Equal(t, tt.wantConnMaxIdleTime, settings.ConnMaxIdleTime)
})
}
}
func TestApplyDBPoolSettings(t *testing.T) {
cfg := &config.Config{
Database: config.DatabaseConfig{
MaxOpenConns: 40,
MaxIdleConns: 8,
ConnMaxLifetimeMinutes: 15,
ConnMaxIdleTimeMinutes: 3,
},
}
db, err := sql.Open("postgres", "host=127.0.0.1 port=5432 user=postgres sslmode=disable")
require.NoError(t, err)
t.Cleanup(func() {
_ = db.Close()
})
applyDBPoolSettings(db, cfg)
stats := db.Stats()
require.Equal(t, 40, stats.MaxOpenConnections)
}