chore: use testcontainers-go in mongodb store

mongodb/mongodb_test.go

@@ -1,24 +1,47 @@
 package mongodb
 
 import (
+	"context"
 	"os"
 	"testing"
 	"time"
 
 	"github.com/stretchr/testify/require"
+	"github.com/testcontainers/testcontainers-go/modules/mongodb"
 )
 
-var testStore *Storage
+const (
+	// mongoDBImage is the default image used for running MongoDB in tests.
+	mongoDBImage              = "mongo:7"
+	mongoDBImageEnvVar string = "TEST_MONGODB_IMAGE"
+	mongoDBUser        string = "mongo-user"
+	mongoDBPass        string = "mongo-password"
+)
 
-func TestMain(m *testing.M) {
-	testStore = New(Config{
-		Reset: true,
-	})
+func newTestStore(t testing.TB) (*Storage, error) {
+	t.Helper()
 
-	code := m.Run()
+	img := mongoDBImage
+	if imgFromEnv := os.Getenv(mongoDBImageEnvVar); imgFromEnv != "" {
+		img = imgFromEnv
+	}
 
-	_ = testStore.Close()
-	os.Exit(code)
+	ctx := context.Background()
+
+	c, err := mongodb.Run(ctx, img, mongodb.WithUsername(mongoDBUser), mongodb.WithPassword(mongoDBPass))
+	if err != nil {
+		return nil, err
+	}
+
+	conn, err := c.ConnectionString(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	return New(Config{
+		ConnectionURI: conn,
+		Reset:         true,
+	}), nil
 }
 
 func Test_MongoDB_Set(t *testing.T) {
@@ -27,7 +50,10 @@ func Test_MongoDB_Set(t *testing.T) {
 		val = []byte("doe")
 	)
 
-	err := testStore.Set(key, val, 0)
+	testStore, err := newTestStore(t)
+	require.NoError(t, err)
+
+	err = testStore.Set(key, val, 0)
 	require.NoError(t, err)
 }
 
@@ -37,7 +63,10 @@ func Test_MongoDB_Set_Override(t *testing.T) {
 		val = []byte("doe")
 	)
 
-	err := testStore.Set(key, val, 0)
+	testStore, err := newTestStore(t)
+	require.NoError(t, err)
+
+	err = testStore.Set(key, val, 0)
 	require.NoError(t, err)
 
 	err = testStore.Set(key, val, 0)
@@ -50,7 +79,10 @@ func Test_MongoDB_Get(t *testing.T) {
 		val = []byte("doe")
 	)
 
-	err := testStore.Set(key, val, 0)
+	testStore, err := newTestStore(t)
+	require.NoError(t, err)
+
+	err = testStore.Set(key, val, 0)
 	require.NoError(t, err)
 
 	result, err := testStore.Get(key)
@@ -65,7 +97,10 @@ func Test_MongoDB_Set_Expiration(t *testing.T) {
 		exp = 1 * time.Second
 	)
 
-	err := testStore.Set(key, val, exp)
+	testStore, err := newTestStore(t)
+	require.NoError(t, err)
+
+	err = testStore.Set(key, val, exp)
 	require.NoError(t, err)
 
 	time.Sleep(1100 * time.Millisecond)
@@ -74,12 +109,18 @@ func Test_MongoDB_Set_Expiration(t *testing.T) {
 func Test_MongoDB_Get_Expired(t *testing.T) {
 	key := "john"
 
+	testStore, err := newTestStore(t)
+	require.NoError(t, err)
+
 	result, err := testStore.Get(key)
 	require.NoError(t, err)
 	require.Zero(t, len(result))
 }
 
 func Test_MongoDB_Get_NotExist(t *testing.T) {
+	testStore, err := newTestStore(t)
+	require.NoError(t, err)
+
 	result, err := testStore.Get("notexist")
 	require.NoError(t, err)
 	require.Zero(t, len(result))
@@ -91,7 +132,10 @@ func Test_MongoDB_Delete(t *testing.T) {
 		val = []byte("doe")
 	)
 
-	err := testStore.Set(key, val, 0)
+	testStore, err := newTestStore(t)
+	require.NoError(t, err)
+
+	err = testStore.Set(key, val, 0)
 	require.NoError(t, err)
 
 	err = testStore.Delete(key)
@@ -105,7 +149,10 @@ func Test_MongoDB_Delete(t *testing.T) {
 func Test_MongoDB_Reset(t *testing.T) {
 	val := []byte("doe")
 
-	err := testStore.Set("john1", val, 0)
+	testStore, err := newTestStore(t)
+	require.NoError(t, err)
+
+	err = testStore.Set("john1", val, 0)
 	require.NoError(t, err)
 
 	err = testStore.Set("john2", val, 0)
@@ -124,18 +171,26 @@ func Test_MongoDB_Reset(t *testing.T) {
 }
 
 func Test_MongoDB_Close(t *testing.T) {
+	testStore, err := newTestStore(t)
+	require.NoError(t, err)
+
 	require.Nil(t, testStore.Close())
 }
 
 func Test_MongoDB_Conn(t *testing.T) {
+	testStore, err := newTestStore(t)
+	require.NoError(t, err)
+
 	require.True(t, testStore.Conn() != nil)
 }
 
 func Benchmark_MongoDB_Set(b *testing.B) {
+	testStore, err := newTestStore(b)
+	require.NoError(b, err)
+
 	b.ReportAllocs()
 	b.ResetTimer()
 
-	var err error
 	for i := 0; i < b.N; i++ {
 		err = testStore.Set("john", []byte("doe"), 0)
 	}
@@ -144,7 +199,10 @@ func Benchmark_MongoDB_Set(b *testing.B) {
 }
 
 func Benchmark_MongoDB_Get(b *testing.B) {
-	err := testStore.Set("john", []byte("doe"), 0)
+	testStore, err := newTestStore(b)
+	require.NoError(b, err)
+
+	err = testStore.Set("john", []byte("doe"), 0)
 	require.NoError(b, err)
 
 	b.ReportAllocs()
@@ -158,10 +216,12 @@ func Benchmark_MongoDB_Get(b *testing.B) {
 }
 
 func Benchmark_MongoDB_SetAndDelete(b *testing.B) {
+	testStore, err := newTestStore(b)
+	require.NoError(b, err)
+
 	b.ReportAllocs()
 	b.ResetTimer()
 
-	var err error
 	for i := 0; i < b.N; i++ {
 		_ = testStore.Set("john", []byte("doe"), 0)
 		err = testStore.Delete("john")