Files
storage/postgres/postgres_test.go
2024-12-12 12:12:56 +01:00

305 lines
6.3 KiB
Go

package postgres
import (
"context"
"os"
"testing"
"time"
"github.com/jackc/pgx/v5"
"github.com/stretchr/testify/require"
"github.com/testcontainers/testcontainers-go"
"github.com/testcontainers/testcontainers-go/modules/postgres"
"github.com/testcontainers/testcontainers-go/wait"
)
const (
// postgresImage is the default image used for running Postgres in tests.
postgresImage = "docker.io/postgres:16-alpine"
postgresImageEnvVar string = "TEST_POSTGRES_IMAGE"
postgresUser string = "username"
postgresPass string = "p4ssw0rd"
postgresDatabase string = "fiber"
)
func newTestStore(t testing.TB) (*Storage, error) {
t.Helper()
ctx := context.Background()
img := postgresImage
if imgFromEnv := os.Getenv(postgresImageEnvVar); imgFromEnv != "" {
img = imgFromEnv
}
c, err := postgres.Run(ctx, img,
postgres.WithUsername(postgresUser),
postgres.WithPassword(postgresPass),
postgres.WithDatabase(postgresDatabase),
testcontainers.WithWaitStrategy(
// First, we wait for the container to log readiness twice.
// This is because it will restart itself after the first startup.
wait.ForLog("database system is ready to accept connections").WithOccurrence(2),
),
)
testcontainers.CleanupContainer(t, c)
require.NoError(t, err)
conn, err := c.ConnectionString(ctx, "sslmode=disable")
if err != nil {
return nil, err
}
return New(Config{
ConnectionURI: conn,
Reset: true,
}), nil
}
func Test_Postgres_Set(t *testing.T) {
var (
key = "john"
val = []byte("doe")
)
testStore, err := newTestStore(t)
require.NoError(t, err)
defer testStore.Close()
err = testStore.Set(key, val, 0)
require.NoError(t, err)
}
func Test_Postgres_Set_Override(t *testing.T) {
var (
key = "john"
val = []byte("doe")
)
testStore, err := newTestStore(t)
require.NoError(t, err)
defer testStore.Close()
err = testStore.Set(key, val, 0)
require.NoError(t, err)
err = testStore.Set(key, val, 0)
require.NoError(t, err)
}
func Test_Postgres_Get(t *testing.T) {
var (
key = "john"
val = []byte("doe")
)
testStore, err := newTestStore(t)
require.NoError(t, err)
defer testStore.Close()
err = testStore.Set(key, val, 0)
require.NoError(t, err)
result, err := testStore.Get(key)
require.NoError(t, err)
require.Equal(t, val, result)
}
func Test_Postgres_Set_Expiration(t *testing.T) {
var (
key = "john"
val = []byte("doe")
exp = 1 * time.Second
)
testStore, err := newTestStore(t)
require.NoError(t, err)
defer testStore.Close()
err = testStore.Set(key, val, exp)
require.NoError(t, err)
time.Sleep(1100 * time.Millisecond)
}
func Test_Postgres_Get_Expired(t *testing.T) {
key := "john"
testStore, err := newTestStore(t)
require.NoError(t, err)
defer testStore.Close()
result, err := testStore.Get(key)
require.NoError(t, err)
require.Zero(t, len(result))
}
func Test_Postgres_Get_NotExist(t *testing.T) {
testStore, err := newTestStore(t)
require.NoError(t, err)
defer testStore.Close()
result, err := testStore.Get("notexist")
require.NoError(t, err)
require.Zero(t, len(result))
}
func Test_Postgres_Delete(t *testing.T) {
var (
key = "john"
val = []byte("doe")
)
testStore, err := newTestStore(t)
require.NoError(t, err)
defer testStore.Close()
err = testStore.Set(key, val, 0)
require.NoError(t, err)
err = testStore.Delete(key)
require.NoError(t, err)
result, err := testStore.Get(key)
require.NoError(t, err)
require.Zero(t, len(result))
}
func Test_Postgres_Reset(t *testing.T) {
val := []byte("doe")
testStore, err := newTestStore(t)
require.NoError(t, err)
defer testStore.Close()
err = testStore.Set("john1", val, 0)
require.NoError(t, err)
err = testStore.Set("john2", val, 0)
require.NoError(t, err)
err = testStore.Reset()
require.NoError(t, err)
result, err := testStore.Get("john1")
require.NoError(t, err)
require.Zero(t, len(result))
result, err = testStore.Get("john2")
require.NoError(t, err)
require.Zero(t, len(result))
}
func Test_Postgres_GC(t *testing.T) {
testVal := []byte("doe")
testStore, err := newTestStore(t)
require.NoError(t, err)
defer testStore.Close()
// This key should expire
err = testStore.Set("john", testVal, time.Nanosecond)
require.NoError(t, err)
testStore.gc(time.Now())
row := testStore.db.QueryRow(context.Background(), testStore.sqlSelect, "john")
err = row.Scan(nil, nil)
require.Equal(t, pgx.ErrNoRows, err)
// This key should not expire
err = testStore.Set("john", testVal, 0)
require.NoError(t, err)
testStore.gc(time.Now())
val, err := testStore.Get("john")
require.NoError(t, err)
require.Equal(t, testVal, val)
}
func Test_Postgres_Non_UTF8(t *testing.T) {
val := []byte("0xF5")
testStore, err := newTestStore(t)
require.NoError(t, err)
defer testStore.Close()
err = testStore.Set("0xF6", val, 0)
require.NoError(t, err)
result, err := testStore.Get("0xF6")
require.NoError(t, err)
require.Equal(t, val, result)
}
func Test_SslRequiredMode(t *testing.T) {
require.Panics(t, func() {
_ = New(Config{
Reset: true,
})
}, "Expected panic when connecting to Postgres with SSL mode set to require")
}
func Test_Postgres_Conn(t *testing.T) {
testStore, err := newTestStore(t)
require.NoError(t, err)
defer testStore.Close()
require.True(t, testStore.Conn() != nil)
}
func Test_Postgres_Close(t *testing.T) {
testStore, err := newTestStore(t)
require.NoError(t, err)
require.Nil(t, testStore.Close())
}
func Benchmark_Postgres_Set(b *testing.B) {
testStore, err := newTestStore(b)
require.NoError(b, err)
defer testStore.Close()
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
err = testStore.Set("john", []byte("doe"), 0)
}
require.NoError(b, err)
}
func Benchmark_Postgres_Get(b *testing.B) {
testStore, err := newTestStore(b)
require.NoError(b, err)
defer testStore.Close()
err = testStore.Set("john", []byte("doe"), 0)
require.NoError(b, err)
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
_, err = testStore.Get("john")
}
require.NoError(b, err)
}
func Benchmark_Postgres_SetAndDelete(b *testing.B) {
testStore, err := newTestStore(b)
require.NoError(b, err)
defer testStore.Close()
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
_ = testStore.Set("john", []byte("doe"), 0)
err = testStore.Delete("john")
}
require.NoError(b, err)
}