chore(s3): use require in tests, running a container per test function

s3/init_test.go

@@ -6,6 +6,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/stretchr/testify/require"
 	"github.com/testcontainers/testcontainers-go"
 	"github.com/testcontainers/testcontainers-go/modules/minio"
 	"github.com/testcontainers/testcontainers-go/wait"
@@ -15,8 +16,6 @@ const (
 	bucket = "testbucket"
 )
 
-var testStore *Storage
-
 const (
 	// minioImage is the default image used for running S3 in tests.
 	minioImage              = "docker.io/minio/minio:latest"
@@ -25,7 +24,7 @@ const (
 	minioPass        string = "minio-password"
 )
 
-func TestMain(m *testing.M) {
+func newTestStore(t testing.TB) *Storage {
 	img := minioImage
 	if imgFromEnv := os.Getenv(minioImageEnvVar); imgFromEnv != "" {
 		img = imgFromEnv
@@ -51,7 +50,7 @@ func TestMain(m *testing.M) {
 		panic(err)
 	}
 
-	testStore = New(
+	testStore := New(
 		Config{
 			Bucket:   bucket,
 			Endpoint: "http://" + conn,
@@ -65,12 +64,9 @@ func TestMain(m *testing.M) {
 	)
 
 	// Create test bucket.
-	_ = testStore.CreateBucket(bucket)
+	err = testStore.CreateBucket(bucket)
+	require.NoError(t, err)
+	// Do not delete test bucket, as the container is disposed after each test.
 
-	exitVal := m.Run()
+	return testStore
-
-	// Delete test bucket.
-	_ = testStore.DeleteBucket(bucket)
-
-	os.Exit(exitVal)
 }

s3/s3_methods_test.go

@@ -11,6 +11,9 @@ import (
 func Test_S3_CreateDeleteBucket(t *testing.T) {
 	bkt := "test-new-bucket"
 
+	testStore := newTestStore(t)
+	defer testStore.Close()
+
 	err := testStore.CreateBucket(bkt)
 	require.NoError(t, err)
 
@@ -21,6 +24,9 @@ func Test_S3_CreateDeleteBucket(t *testing.T) {
 func Test_S3_DeleteMany(t *testing.T) {
 	val := []byte("doe")
 
+	testStore := newTestStore(t)
+	defer testStore.Close()
+
 	err := testStore.Set("john1", val, 0)
 	require.NoError(t, err)
 
@@ -61,6 +67,9 @@ func Test_S3_SetWithChecksum(t *testing.T) {
 		types.ChecksumAlgorithmSha256: sha256sum,
 	}
 
+	testStore := newTestStore(t)
+	defer testStore.Close()
+
 	err := testStore.SetWithChecksum(key, val, checksum)
 	require.NoError(t, err)
 

s3/s3_test.go

@@ -12,6 +12,9 @@ func Test_S3_Set(t *testing.T) {
 		val = []byte("doe")
 	)
 
+	testStore := newTestStore(t)
+	defer testStore.Close()
+
 	err := testStore.Set(key, val, 0)
 	require.NoError(t, err)
 }
@@ -22,6 +25,9 @@ func Test_S3_Set_Override(t *testing.T) {
 		val = []byte("doe")
 	)
 
+	testStore := newTestStore(t)
+	defer testStore.Close()
+
 	err := testStore.Set(key, val, 0)
 	require.NoError(t, err)
 
@@ -35,6 +41,9 @@ func Test_S3_Get(t *testing.T) {
 		val = []byte("doe")
 	)
 
+	testStore := newTestStore(t)
+	defer testStore.Close()
+
 	err := testStore.Set(key, val, 0)
 	require.NoError(t, err)
 
@@ -44,6 +53,9 @@ func Test_S3_Get(t *testing.T) {
 }
 
 func Test_S3_Get_NotExist(t *testing.T) {
+	testStore := newTestStore(t)
+	defer testStore.Close()
+
 	result, err := testStore.Get("notexist")
 	require.NoError(t, err)
 	require.Zero(t, len(result))
@@ -55,6 +67,9 @@ func Test_S3_Delete(t *testing.T) {
 		val = []byte("doe")
 	)
 
+	testStore := newTestStore(t)
+	defer testStore.Close()
+
 	err := testStore.Set(key, val, 0)
 	require.NoError(t, err)
 
@@ -69,6 +84,9 @@ func Test_S3_Delete(t *testing.T) {
 func Test_S3_Reset(t *testing.T) {
 	val := []byte("doe")
 
+	testStore := newTestStore(t)
+	defer testStore.Close()
+
 	err := testStore.Set("john1", val, 0)
 	require.NoError(t, err)
 
@@ -88,14 +106,20 @@ func Test_S3_Reset(t *testing.T) {
 }
 
 func Test_S3_Close(t *testing.T) {
-	require.Nil(t, testStore.Close())
+	testStore := newTestStore(t)
+	require.NoError(t, testStore.Close())
 }
 
 func Test_S3_Conn(t *testing.T) {
+	testStore := newTestStore(t)
+	defer testStore.Close()
 	require.True(t, testStore.Conn() != nil)
 }
 
 func Benchmark_S3_Set(b *testing.B) {
+	testStore := newTestStore(b)
+	defer testStore.Close()
+
 	b.ReportAllocs()
 	b.ResetTimer()
 
@@ -108,6 +132,9 @@ func Benchmark_S3_Set(b *testing.B) {
 }
 
 func Benchmark_S3_Get(b *testing.B) {
+	testStore := newTestStore(b)
+	defer testStore.Close()
+
 	err := testStore.Set("john", []byte("doe"), 0)
 	require.NoError(b, err)
 
@@ -122,6 +149,9 @@ func Benchmark_S3_Get(b *testing.B) {
 }
 
 func Benchmark_S3_SetAndDelete(b *testing.B) {
+	testStore := newTestStore(b)
+	defer testStore.Close()
+
 	b.ReportAllocs()
 	b.ResetTimer()