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minio/cmd/bucket-notification-handler...

91 lines
2.5 KiB

package cmd
import (
"bytes"
"io"
"io/ioutil"
"net/http"
"testing"
)
// Implement a dummy flush writer.
type flushWriter struct {
io.Writer
}
// Flush writer is a dummy writer compatible with http.Flusher and http.ResponseWriter.
func (f *flushWriter) Flush() {}
func (f *flushWriter) Write(b []byte) (n int, err error) { return f.Writer.Write(b) }
func (f *flushWriter) Header() http.Header { return http.Header{} }
func (f *flushWriter) WriteHeader(code int) {}
func newFlushWriter(writer io.Writer) *flushWriter {
return &flushWriter{writer}
}
// Tests write notification code.
func TestWriteNotification(t *testing.T) {
// Initialize a new test config.
root, err := newTestConfig("us-east-1")
if err != nil {
t.Fatalf("Unable to initialize test config %s", err)
}
defer removeAll(root)
var buffer bytes.Buffer
// Collection of test cases for each event writer.
testCases := []struct {
writer *flushWriter
event map[string][]NotificationEvent
err error
}{
// Invalid input argument with writer `nil` - Test - 1
{
writer: nil,
event: nil,
err: errInvalidArgument,
},
// Invalid input argument with event `nil` - Test - 2
{
writer: newFlushWriter(ioutil.Discard),
event: nil,
err: errInvalidArgument,
},
// Unmarshal and write, validate last 5 bytes. - Test - 3
{
writer: newFlushWriter(&buffer),
event: map[string][]NotificationEvent{
"Records": {newNotificationEvent(eventData{
Type: ObjectCreatedPut,
Bucket: "testbucket",
ObjInfo: ObjectInfo{
Name: "key",
},
ReqParams: map[string]string{
"ip": "10.1.10.1",
}}),
},
},
err: nil,
},
}
// Validates all the testcases for writing notification.
for _, testCase := range testCases {
err := writeNotification(testCase.writer, testCase.event)
if err != testCase.err {
t.Errorf("Unable to write notification %s", err)
}
// Validates if the ending string has 'crlf'
if err == nil && !bytes.HasSuffix(buffer.Bytes(), crlf) {
buf := buffer.Bytes()[buffer.Len()-5 : 0]
t.Errorf("Invalid suffix found from the writer last 5 bytes %s, expected `\r\n`", string(buf))
}
// Not printing 'buf' on purpose, validates look for string '10.1.10.1'.
if err == nil && !bytes.Contains(buffer.Bytes(), []byte("10.1.10.1")) {
// Enable when debugging)
// fmt.Println(string(buffer.Bytes()))
t.Errorf("Requested content couldn't be found, expected `10.1.10.1`")
}
}
}