Files
object-browser/restapi/admin_console_test.go
2021-06-01 11:34:55 -07:00

126 lines
4.0 KiB
Go

// This file is part of MinIO Console Server
// Copyright (c) 2021 MinIO, Inc.
//
// 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 restapi
import (
"context"
"encoding/json"
"fmt"
"testing"
"github.com/minio/madmin-go"
"github.com/stretchr/testify/assert"
)
// assigning mock at runtime instead of compile time
var minioGetLogsMock func(ctx context.Context, node string, lineCnt int, logKind string) <-chan madmin.LogInfo
// mock function of listPolicies()
func (ac adminClientMock) getLogs(ctx context.Context, node string, lineCnt int, logKind string) <-chan madmin.LogInfo {
return minioGetLogsMock(ctx, node, lineCnt, logKind)
}
func TestAdminConsoleLog(t *testing.T) {
assert := assert.New(t)
adminClient := adminClientMock{}
mockWSConn := mockConn{}
function := "startConsoleLog(ctx, )"
ctx := context.Background()
testReceiver := make(chan madmin.LogInfo, 5)
textToReceive := "test message"
testStreamSize := 5
isClosed := false // testReceiver is closed?
// Test-1: Serve Console with no errors until Console finishes sending
// define mock function behavior for minio server Console
minioGetLogsMock = func(ctx context.Context, node string, lineCnt int, logKind string) <-chan madmin.LogInfo {
ch := make(chan madmin.LogInfo)
// Only success, start a routine to start reading line by line.
go func(ch chan<- madmin.LogInfo) {
defer close(ch)
lines := make([]int, testStreamSize)
// mocking sending 5 lines of info
for range lines {
info := madmin.LogInfo{
ConsoleMsg: textToReceive,
}
ch <- info
}
}(ch)
return ch
}
writesCount := 1
// mock connection WriteMessage() no error
connWriteMessageMock = func(messageType int, data []byte) error {
// emulate that receiver gets the message written
var t madmin.LogInfo
_ = json.Unmarshal(data, &t)
if writesCount == testStreamSize {
if !isClosed {
close(testReceiver)
isClosed = true
}
return nil
}
testReceiver <- t
writesCount++
return nil
}
if err := startConsoleLog(ctx, mockWSConn, adminClient); err != nil {
t.Errorf("Failed on %s:, error occurred: %s", function, err.Error())
}
// check that the TestReceiver got the same number of data from Console.
for i := range testReceiver {
assert.Equal(textToReceive, i.ConsoleMsg)
}
// Test-2: if error happens while writing, return error
connWriteMessageMock = func(messageType int, data []byte) error {
return fmt.Errorf("error on write")
}
if err := startConsoleLog(ctx, mockWSConn, adminClient); assert.Error(err) {
assert.Equal("error on write", err.Error())
}
// Test-3: error happens on GetLogs Minio, Console should stop
// and error shall be returned.
minioGetLogsMock = func(ctx context.Context, node string, lineCnt int, logKind string) <-chan madmin.LogInfo {
ch := make(chan madmin.LogInfo)
// Only success, start a routine to start reading line by line.
go func(ch chan<- madmin.LogInfo) {
defer close(ch)
lines := make([]int, 2)
// mocking sending 5 lines of info
for range lines {
info := madmin.LogInfo{
ConsoleMsg: textToReceive,
}
ch <- info
}
ch <- madmin.LogInfo{Err: fmt.Errorf("error on Console")}
}(ch)
return ch
}
connWriteMessageMock = func(messageType int, data []byte) error {
return nil
}
if err := startConsoleLog(ctx, mockWSConn, adminClient); assert.Error(err) {
assert.Equal("error on Console", err.Error())
}
}