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store_test.go
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store_test.go
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// Copyright 2021-2023 Zenauth Ltd.
// SPDX-License-Identifier: Apache-2.0
package blob
import (
"context"
"errors"
"fmt"
"path/filepath"
"testing"
"time"
"github.com/stretchr/testify/require"
"gocloud.dev/blob"
"github.com/cerbos/cerbos/internal/schema"
"github.com/cerbos/cerbos/internal/storage"
"github.com/cerbos/cerbos/internal/storage/index"
"github.com/cerbos/cerbos/internal/storage/internal"
"github.com/cerbos/cerbos/internal/test"
)
var keysInStore []string
type clonerFunc func(ctx context.Context) (*CloneResult, error)
func (r clonerFunc) Clone(ctx context.Context) (*CloneResult, error) { return r(ctx) }
func TestNewStore(t *testing.T) {
ctx := context.Background()
t.Run("partial failure", func(t *testing.T) {
dir := t.TempDir()
conf := &Conf{WorkDir: dir}
conf.SetDefaults()
must := require.New(t)
_, err := NewStore(ctx, conf, clonerFunc(func(_ context.Context) (*CloneResult, error) {
return &CloneResult{failuresCount: 1}, nil
}))
must.ErrorIs(err, ErrPartialFailureToDownloadOnInit)
})
t.Run("clone failure makes ctor fail", func(t *testing.T) {
dir := t.TempDir()
conf := &Conf{WorkDir: dir}
conf.SetDefaults()
must := require.New(t)
_, err := NewStore(ctx, conf, clonerFunc(func(_ context.Context) (*CloneResult, error) {
return nil, errors.New("any error")
}))
must.Error(err)
})
t.Run("Minio bucket test", func(t *testing.T) {
if testing.Short() {
t.Skip()
}
dir := t.TempDir()
conf := &Conf{WorkDir: dir}
conf.SetDefaults()
must := require.New(t)
bucketName := "test"
endpoint := StartMinio(ctx, t, bucketName)
t.Setenv("AWS_ACCESS_KEY_ID", minioUsername)
t.Setenv("AWS_SECRET_ACCESS_KEY", minioPassword)
conf.Bucket = MinioBucketURL(bucketName, endpoint)
bucket, err := newBucket(ctx, conf)
must.NoError(err)
cloner, err := NewCloner(bucket, storeFS{dir})
must.NoError(err)
_, err = NewStore(ctx, conf, cloner)
must.NoError(err)
})
}
func TestReloadable(t *testing.T) {
t.Setenv("AWS_ACCESS_KEY_ID", minioUsername)
t.Setenv("AWS_SECRET_ACCESS_KEY", minioPassword)
dir := t.TempDir()
store, bucket := mkStore(t, dir)
internal.TestSuiteReloadable(store, mkInitFn(t, bucket), mkAddFn(t, bucket), mkDeleteFn(t, bucket))(t)
}
func mkInitFn(t *testing.T, bucket *blob.Bucket) internal.MutateStoreFn {
t.Helper()
relDir := filepath.Join("..", "testdata")
testdataDir, err := filepath.Abs(relDir)
require.NoError(t, err)
return func() error {
var err error
keysInStore, err = uploadDirToBucket(t, context.Background(), testdataDir, bucket)
if err != nil {
return fmt.Errorf("failed to add to the store: %w", err)
}
return nil
}
}
func mkDeleteFn(t *testing.T, bucket *blob.Bucket) internal.MutateStoreFn {
t.Helper()
return func() error {
for _, key := range keysInStore {
err := bucket.Delete(context.Background(), key)
if err != nil {
return fmt.Errorf("failed to delete from the store: %w", err)
}
}
return nil
}
}
func mkAddFn(t *testing.T, bucket *blob.Bucket) internal.MutateStoreFn {
t.Helper()
return func() error {
var err error
keysInStore, err = uploadDirToBucket(t, context.Background(), test.PathToDir(t, "store"), bucket)
if err != nil {
return fmt.Errorf("failed to add to the store: %w", err)
}
return nil
}
}
func mkStore(t *testing.T, dir string) (*Store, *blob.Bucket) {
t.Helper()
endpoint := StartMinio(context.Background(), t, bucketName)
conf := mkConf(t, dir, bucketName, endpoint)
bucket, err := newBucket(context.Background(), conf)
require.NoError(t, err)
cloner, err := NewCloner(bucket, storeFS{dir})
require.NoError(t, err)
store, err := NewStore(context.Background(), conf, cloner)
require.NoError(t, err)
return store, bucket
}
func mkConf(t *testing.T, dir, bucketName, endpoint string) *Conf {
t.Helper()
conf := &Conf{WorkDir: dir}
conf.SetDefaults()
conf.Bucket = MinioBucketURL(bucketName, endpoint)
return conf
}
type mockIndex struct {
index.Index
addOrUpdate func(index.Entry) (storage.Event, error)
delete func(index.Entry) (storage.Event, error)
}
func (m *mockIndex) AddOrUpdate(e index.Entry) (storage.Event, error) {
return m.addOrUpdate(e)
}
func (m *mockIndex) Delete(e index.Entry) (storage.Event, error) {
return m.delete(e)
}
func TestStore_updateIndex(t *testing.T) {
ctx := context.Background()
dir := t.TempDir()
conf := &Conf{WorkDir: dir}
conf.SetDefaults()
must := require.New(t)
policyDir := test.PathToDir(t, "store")
policyFile := filepath.Join("resource_policies", "policy_01.yaml")
schemaFile := filepath.Join(schema.Directory, "principal.json")
store, err := NewStore(ctx, conf, clonerFunc(func(_ context.Context) (*CloneResult, error) {
return &CloneResult{
updateOrAdd: []string{policyFile, schemaFile},
delete: []string{policyFile, schemaFile},
}, nil
}))
must.NoError(err)
store.fsys = storeFS{dir: policyDir}
var addOrUpdateCalled bool
var deleteCalled bool
addOrUpdateEvent := storage.Event{
Kind: storage.EventAddOrUpdatePolicy,
}
deleteEvent := storage.Event{
Kind: storage.EventDeletePolicy,
}
store.idx = &mockIndex{
addOrUpdate: func(entry index.Entry) (storage.Event, error) {
addOrUpdateCalled = true
must.Equal(entry.File, policyFile)
return addOrUpdateEvent, nil
},
delete: func(entry index.Entry) (storage.Event, error) {
deleteCalled = true
must.Equal(entry.File, policyFile)
return deleteEvent, nil
},
}
mustBeNotified := storage.TestSubscription(store)
err = store.updateIndex(ctx)
must.NoError(err)
must.True(addOrUpdateCalled)
must.True(deleteCalled)
mustBeNotified(t, 1*time.Second,
addOrUpdateEvent,
deleteEvent,
storage.NewSchemaEvent(storage.EventAddOrUpdateSchema, "principal.json"),
storage.NewSchemaEvent(storage.EventDeleteSchema, "principal.json"),
)
}
func TestStore_AWSS3(t *testing.T) {
t.Skip("Skip test with real S3 bucket")
ctx := context.Background()
dir := t.TempDir()
conf := &Conf{
Bucket: "s3://test-dev.cerbos.dev?region=us-east-2",
Prefix: "policies",
WorkDir: dir,
}
conf.SetDefaults()
must := require.New(t)
bucket, err := newBucket(ctx, conf)
must.NoError(err)
cloner, err := NewCloner(bucket, storeFS{dir})
must.NoError(err)
_, err = NewStore(ctx, conf, cloner)
must.NoError(err)
}