rename all remaining packages to internal/ (#12418)

This is to ensure that there are no projects
that try to import `minio/minio/pkg` into
their own repo. Any such common packages should
go to `https://github.com/minio/pkg`

internal/event/target/queuestore_test.go

@@ -0,0 +1,214 @@
+// Copyright (c) 2015-2021 MinIO, Inc.
+//
+// This file is part of MinIO Object Storage stack
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package target
+
+import (
+	"os"
+	"path/filepath"
+	"reflect"
+	"strings"
+	"testing"
+
+	"github.com/minio/minio/internal/event"
+)
+
+// TestDir
+var queueDir = filepath.Join(os.TempDir(), "minio_test")
+
+// Sample test event.
+var testEvent = event.Event{EventVersion: "1.0", EventSource: "test_source", AwsRegion: "test_region", EventTime: "test_time", EventName: event.ObjectAccessedGet}
+
+// Initialize the store.
+func setUpStore(directory string, limit uint64) (Store, error) {
+	store := NewQueueStore(queueDir, limit)
+	if oErr := store.Open(); oErr != nil {
+		return nil, oErr
+	}
+	return store, nil
+}
+
+// Tear down store
+func tearDownStore() error {
+	return os.RemoveAll(queueDir)
+}
+
+// TestQueueStorePut - tests for store.Put
+func TestQueueStorePut(t *testing.T) {
+	defer func() {
+		if err := tearDownStore(); err != nil {
+			t.Fatal("Failed to tear down store ", err)
+		}
+	}()
+	store, err := setUpStore(queueDir, 100)
+	if err != nil {
+		t.Fatal("Failed to create a queue store ", err)
+
+	}
+	// Put 100 events.
+	for i := 0; i < 100; i++ {
+		if err := store.Put(testEvent); err != nil {
+			t.Fatal("Failed to put to queue store ", err)
+		}
+	}
+	// Count the events.
+	names, err := store.List()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(names) != 100 {
+		t.Fatalf("List() Expected: 100, got %d", len(names))
+	}
+}
+
+// TestQueueStoreGet - tests for store.Get
+func TestQueueStoreGet(t *testing.T) {
+	defer func() {
+		if err := tearDownStore(); err != nil {
+			t.Fatal("Failed to tear down store ", err)
+		}
+	}()
+	store, err := setUpStore(queueDir, 10)
+	if err != nil {
+		t.Fatal("Failed to create a queue store ", err)
+	}
+	// Put 10 events
+	for i := 0; i < 10; i++ {
+		if err := store.Put(testEvent); err != nil {
+			t.Fatal("Failed to put to queue store ", err)
+		}
+	}
+	eventKeys, err := store.List()
+	if err != nil {
+		t.Fatal(err)
+	}
+	// Get 10 events.
+	if len(eventKeys) == 10 {
+		for _, key := range eventKeys {
+			event, eErr := store.Get(strings.TrimSuffix(key, eventExt))
+			if eErr != nil {
+				t.Fatal("Failed to Get the event from the queue store ", eErr)
+			}
+			if !reflect.DeepEqual(testEvent, event) {
+				t.Fatalf("Failed to read the event: error: expected = %v, got = %v", testEvent, event)
+			}
+		}
+	} else {
+		t.Fatalf("List() Expected: 10, got %d", len(eventKeys))
+	}
+}
+
+// TestQueueStoreDel - tests for store.Del
+func TestQueueStoreDel(t *testing.T) {
+	defer func() {
+		if err := tearDownStore(); err != nil {
+			t.Fatal("Failed to tear down store ", err)
+		}
+	}()
+	store, err := setUpStore(queueDir, 20)
+	if err != nil {
+		t.Fatal("Failed to create a queue store ", err)
+	}
+	// Put 20 events.
+	for i := 0; i < 20; i++ {
+		if err := store.Put(testEvent); err != nil {
+			t.Fatal("Failed to put to queue store ", err)
+		}
+	}
+	eventKeys, err := store.List()
+	if err != nil {
+		t.Fatal(err)
+	}
+	// Remove all the events.
+	if len(eventKeys) == 20 {
+		for _, key := range eventKeys {
+			err := store.Del(strings.TrimSuffix(key, eventExt))
+			if err != nil {
+				t.Fatal("queue store Del failed with ", err)
+			}
+		}
+	} else {
+		t.Fatalf("List() Expected: 20, got %d", len(eventKeys))
+	}
+
+	names, err := store.List()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(names) != 0 {
+		t.Fatalf("List() Expected: 0, got %d", len(names))
+	}
+}
+
+// TestQueueStoreLimit - tests the event limit for the store.
+func TestQueueStoreLimit(t *testing.T) {
+	defer func() {
+		if err := tearDownStore(); err != nil {
+			t.Fatal("Failed to tear down store ", err)
+		}
+	}()
+	// The max limit is set to 5.
+	store, err := setUpStore(queueDir, 5)
+	if err != nil {
+		t.Fatal("Failed to create a queue store ", err)
+	}
+	for i := 0; i < 5; i++ {
+		if err := store.Put(testEvent); err != nil {
+			t.Fatal("Failed to put to queue store ", err)
+		}
+	}
+	// Should not allow 6th Put.
+	if err := store.Put(testEvent); err == nil {
+		t.Fatalf("Expected to fail with %s, but passes", errLimitExceeded)
+	}
+}
+
+// TestQueueStoreLimit - tests for store.LimitN.
+func TestQueueStoreListN(t *testing.T) {
+	defer func() {
+		if err := tearDownStore(); err != nil {
+			t.Fatal("Failed to tear down store ", err)
+		}
+	}()
+	store, err := setUpStore(queueDir, 10)
+	if err != nil {
+		t.Fatal("Failed to create a queue store ", err)
+	}
+	for i := 0; i < 10; i++ {
+		if err := store.Put(testEvent); err != nil {
+			t.Fatal("Failed to put to queue store ", err)
+		}
+	}
+	// Should return all the event keys in the store.
+	names, err := store.List()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if len(names) != 10 {
+		t.Fatalf("List() Expected: 10, got %d", len(names))
+	}
+
+	if err = os.RemoveAll(queueDir); err != nil {
+		t.Fatal(err)
+	}
+
+	_, err = store.List()
+	if !os.IsNotExist(err) {
+		t.Fatalf("Expected List() to fail with os.ErrNotExist, %s", err)
+	}
+}