2016-08-19 01:23:42 +02:00
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package cmd
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2016-08-05 07:01:58 +02:00
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import (
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2016-09-22 02:41:34 +02:00
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"bufio"
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2016-08-05 07:01:58 +02:00
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"bytes"
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2016-09-22 02:41:34 +02:00
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"encoding/json"
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2016-08-05 07:01:58 +02:00
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"io"
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"io/ioutil"
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"net/http"
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2016-09-22 02:41:34 +02:00
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"net/http/httptest"
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"sync"
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2016-08-05 07:01:58 +02:00
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"testing"
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)
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// Implement a dummy flush writer.
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type flushWriter struct {
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io.Writer
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}
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// Flush writer is a dummy writer compatible with http.Flusher and http.ResponseWriter.
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func (f *flushWriter) Flush() {}
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func (f *flushWriter) Write(b []byte) (n int, err error) { return f.Writer.Write(b) }
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func (f *flushWriter) Header() http.Header { return http.Header{} }
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func (f *flushWriter) WriteHeader(code int) {}
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2016-09-22 02:41:34 +02:00
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func newFlushWriter(writer io.Writer) http.ResponseWriter {
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2016-08-05 07:01:58 +02:00
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return &flushWriter{writer}
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}
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// Tests write notification code.
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func TestWriteNotification(t *testing.T) {
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// Initialize a new test config.
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root, err := newTestConfig("us-east-1")
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if err != nil {
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t.Fatalf("Unable to initialize test config %s", err)
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}
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defer removeAll(root)
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var buffer bytes.Buffer
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// Collection of test cases for each event writer.
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testCases := []struct {
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writer http.ResponseWriter
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event map[string][]NotificationEvent
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err error
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}{
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// Invalid input argument with writer `nil` - Test - 1
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{
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writer: nil,
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event: nil,
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err: errInvalidArgument,
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},
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// Invalid input argument with event `nil` - Test - 2
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{
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writer: newFlushWriter(ioutil.Discard),
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event: nil,
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err: errInvalidArgument,
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},
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// Unmarshal and write, validate last 5 bytes. - Test - 3
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{
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writer: newFlushWriter(&buffer),
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event: map[string][]NotificationEvent{
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"Records": {newNotificationEvent(eventData{
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Type: ObjectCreatedPut,
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Bucket: "testbucket",
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ObjInfo: ObjectInfo{
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Name: "key",
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},
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ReqParams: map[string]string{
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"ip": "10.1.10.1",
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}}),
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},
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},
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err: nil,
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},
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}
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// Validates all the testcases for writing notification.
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for _, testCase := range testCases {
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err := writeNotification(testCase.writer, testCase.event)
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if err != testCase.err {
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t.Errorf("Unable to write notification %s", err)
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}
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// Validates if the ending string has 'crlf'
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if err == nil && !bytes.HasSuffix(buffer.Bytes(), crlf) {
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buf := buffer.Bytes()[buffer.Len()-5 : 0]
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t.Errorf("Invalid suffix found from the writer last 5 bytes %s, expected `\r\n`", string(buf))
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}
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// Not printing 'buf' on purpose, validates look for string '10.1.10.1'.
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if err == nil && !bytes.Contains(buffer.Bytes(), []byte("10.1.10.1")) {
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// Enable when debugging)
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// fmt.Println(string(buffer.Bytes()))
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t.Errorf("Requested content couldn't be found, expected `10.1.10.1`")
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}
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}
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}
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func TestSendBucketNotification(t *testing.T) {
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// Initialize a new test config.
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root, err := newTestConfig("us-east-1")
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if err != nil {
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t.Fatalf("Unable to initialize test config %s", err)
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}
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defer removeAll(root)
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eventCh := make(chan []NotificationEvent)
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// Create a Pipe with FlushWriter on the write-side and bufio.Scanner
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// on the reader-side to receive notification over the listen channel in a
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// synchronized manner.
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pr, pw := io.Pipe()
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fw := newFlushWriter(pw)
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scanner := bufio.NewScanner(pr)
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// Start a go-routine to wait for notification events.
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go func(listenerCh <-chan []NotificationEvent) {
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sendBucketNotification(fw, listenerCh)
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}(eventCh)
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// Construct notification events to be passed on the events channel.
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var events []NotificationEvent
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evTypes := []EventName{
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ObjectCreatedPut,
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ObjectCreatedPost,
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ObjectCreatedCopy,
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ObjectCreatedCompleteMultipartUpload,
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}
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for _, evType := range evTypes {
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events = append(events, newNotificationEvent(eventData{
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Type: evType,
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}))
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}
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// Send notification events to the channel on which sendBucketNotification
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// is waiting on.
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eventCh <- events
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// Read from the pipe connected to the ResponseWriter.
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scanner.Scan()
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notificationBytes := scanner.Bytes()
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// Close the read-end and send an empty notification event on the channel
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// to signal sendBucketNotification to terminate.
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pr.Close()
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eventCh <- []NotificationEvent{}
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close(eventCh)
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// Checking if the notification are the same as those sent over the channel.
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var notifications map[string][]NotificationEvent
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err = json.Unmarshal(notificationBytes, ¬ifications)
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if err != nil {
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t.Fatal("Failed to Unmarshal notification")
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}
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records := notifications["Records"]
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for i, rec := range records {
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if rec.EventName == evTypes[i].String() {
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continue
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}
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t.Errorf("Failed to receive %d event %s", i, evTypes[i].String())
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}
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}
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func initMockEventNotifier(objAPI ObjectLayer) error {
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if objAPI == nil {
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return errInvalidArgument
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}
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globalEventNotifier = &eventNotifier{
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rwMutex: &sync.RWMutex{},
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queueTargets: nil,
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notificationConfigs: make(map[string]*notificationConfig),
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snsTargets: make(map[string][]chan []NotificationEvent),
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}
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return nil
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}
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func testGetBucketNotificationHandler(obj ObjectLayer, instanceType string, t TestErrHandler) {
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// get random bucket name.
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bucketName := getRandomBucketName()
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// Create bucket to add notification config for.
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err := obj.MakeBucket(bucketName)
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if err != nil {
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// failed to create newbucket, abort.
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t.Fatalf("%s : %s", instanceType, err)
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}
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noNotificationBucket := "nonotification"
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err = obj.MakeBucket(noNotificationBucket)
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if err != nil {
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// failed to create newbucket, abort.
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t.Fatalf("%s : %s", instanceType, err)
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}
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// Register the API end points with XL/FS object layer.
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apiRouter := initTestAPIEndPoints(obj, []string{
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"GetBucketNotificationHandler",
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"PutBucketNotificationHandler",
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})
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// initialize the server and obtain the credentials and root.
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// credentials are necessary to sign the HTTP request.
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rootPath, err := newTestConfig("us-east-1")
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if err != nil {
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t.Fatalf("Init Test config failed")
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}
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// remove the root folder after the test ends.
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defer removeAll(rootPath)
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credentials := serverConfig.GetCredential()
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//Initialize global event notifier with mock queue targets.
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err = initMockEventNotifier(obj)
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if err != nil {
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t.Fatalf("Test %s: Failed to initialize mock event notifier %v",
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instanceType, err)
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}
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// Initialize httptest recorder.
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rec := httptest.NewRecorder()
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// Initialize sample bucket notification config.
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sampleNotificationConfig := []byte("<NotificationConfiguration><TopicConfiguration>" +
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"<Event>s3:ObjectCreated:*</Event><Event>s3:ObjectRemoved:*</Event><Filter>" +
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"<S3Key></S3Key></Filter><Id></Id><Topic>arn:minio:sns:us-east-1:1474332374:listen</Topic>" +
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"</TopicConfiguration></NotificationConfiguration>")
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// Prepare notification config for one of the test cases.
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req, err := newTestSignedRequest("PUT", getPutBucketNotificationURL("", bucketName),
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int64(len(sampleNotificationConfig)), bytes.NewReader(sampleNotificationConfig),
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credentials.AccessKeyID, credentials.SecretAccessKey)
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if err != nil {
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t.Fatalf("Test %d %s: Failed to create HTTP request for PutBucketNotification: <ERROR> %v",
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1, instanceType, err)
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}
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apiRouter.ServeHTTP(rec, req)
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// Test 1: Check if we get back sample notification.
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req, err = newTestSignedRequest("GET", getGetBucketNotificationURL("", bucketName),
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int64(0), nil, credentials.AccessKeyID, credentials.SecretAccessKey)
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if err != nil {
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t.Fatalf("Test %d: %s: Failed to create HTTP request for GetBucketNotification: <ERROR> %v",
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1, instanceType, err)
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}
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apiRouter.ServeHTTP(rec, req)
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if rec.Code != http.StatusOK {
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t.Errorf("Test %d: %s: GetBucketNotification request failed with %d: <ERROR> %v",
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2, instanceType, rec.Code, err)
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}
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rspBytes, err := ioutil.ReadAll(rec.Body)
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if err != nil {
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t.Errorf("Test %d: %s: Failed to read response body: <ERROR> %v", 1, instanceType, err)
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}
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if !bytes.Equal(rspBytes, sampleNotificationConfig) {
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t.Errorf("Test %d: %s: Notification config doesn't match expected value: <ERROR> %v", 2, instanceType, err)
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}
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// Test 2: Try getting bucket notification on a non-existent bucket.
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invalidBucketName := "Invalid_BucketName"
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req, err = newTestSignedRequest("GET", getGetBucketNotificationURL("", invalidBucketName),
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int64(0), nil, credentials.AccessKeyID, credentials.SecretAccessKey)
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if err != nil {
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t.Fatalf("Test %d: %s: Failed to create HTTP request for GetBucketNotification: <ERROR> %v",
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2, instanceType, err)
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}
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apiRouter.ServeHTTP(rec, req)
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if rec.Code != http.StatusOK {
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t.Errorf("Test %d: %s: GetBucketNotification request failed with %d: <ERROR> %v",
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2, instanceType, rec.Code, err)
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}
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// Test 3: Try getting bucket notification for a bucket with notification set.
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emptyNotificationXML := []byte("<NotificationConfiguration></NotificationConfiguration>" +
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"<NotificationConfiguration></NotificationConfiguration>")
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req, err = newTestSignedRequest("GET", getGetBucketNotificationURL("", noNotificationBucket),
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int64(0), nil, credentials.AccessKeyID, credentials.SecretAccessKey)
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if err != nil {
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t.Fatalf("Test %d: %s: Failed to create HTTP request for GetBucketNotification: <ERROR> %v",
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3, instanceType, err)
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}
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apiRouter.ServeHTTP(rec, req)
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if rec.Code != http.StatusOK {
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t.Errorf("Test %d: %s: GetBucketNotification request failed with %d: <ERROR> %v",
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3, instanceType, rec.Code, err)
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}
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if !bytes.Equal(rec.Body.Bytes(), emptyNotificationXML) {
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t.Errorf("Test %d: %s: GetBucketNotification request received notification "+
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"config different from empty config: <ERROR> %v", 3, instanceType, err)
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}
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}
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func TestGetBucketNotificationHandler(t *testing.T) {
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ExecObjectLayerTest(t, testGetBucketNotificationHandler)
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}
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