chrly/mojangtextures/mojang_textures_test.go
2020-01-03 00:51:57 +03:00

440 lines
16 KiB
Go

package mojangtextures
import (
"errors"
"net"
"net/url"
"sync"
"syscall"
"testing"
"time"
testify "github.com/stretchr/testify/assert"
"github.com/stretchr/testify/mock"
"github.com/stretchr/testify/suite"
"github.com/elyby/chrly/api/mojang"
mocks "github.com/elyby/chrly/tests"
)
func TestBroadcaster(t *testing.T) {
t.Run("GetOrAppend", func(t *testing.T) {
t.Run("first call when username didn't exist before should return true", func(t *testing.T) {
assert := testify.New(t)
broadcaster := createBroadcaster()
channel := make(chan *broadcastResult)
isFirstListener := broadcaster.AddListener("mock", channel)
assert.True(isFirstListener)
listeners, ok := broadcaster.listeners["mock"]
assert.True(ok)
assert.Len(listeners, 1)
assert.Equal(channel, listeners[0])
})
t.Run("subsequent calls should return false", func(t *testing.T) {
assert := testify.New(t)
broadcaster := createBroadcaster()
channel1 := make(chan *broadcastResult)
isFirstListener := broadcaster.AddListener("mock", channel1)
assert.True(isFirstListener)
channel2 := make(chan *broadcastResult)
isFirstListener = broadcaster.AddListener("mock", channel2)
assert.False(isFirstListener)
channel3 := make(chan *broadcastResult)
isFirstListener = broadcaster.AddListener("mock", channel3)
assert.False(isFirstListener)
})
})
t.Run("BroadcastAndRemove", func(t *testing.T) {
t.Run("should broadcast to all listeners and remove the key", func(t *testing.T) {
assert := testify.New(t)
broadcaster := createBroadcaster()
channel1 := make(chan *broadcastResult)
channel2 := make(chan *broadcastResult)
broadcaster.AddListener("mock", channel1)
broadcaster.AddListener("mock", channel2)
result := &broadcastResult{}
broadcaster.BroadcastAndRemove("mock", result)
assert.Equal(result, <-channel1)
assert.Equal(result, <-channel2)
channel3 := make(chan *broadcastResult)
isFirstListener := broadcaster.AddListener("mock", channel3)
assert.True(isFirstListener)
})
t.Run("call on not exists username", func(t *testing.T) {
assert := testify.New(t)
assert.NotPanics(func() {
broadcaster := createBroadcaster()
broadcaster.BroadcastAndRemove("mock", &broadcastResult{})
})
})
})
}
type mockUuidsProvider struct {
mock.Mock
}
func (m *mockUuidsProvider) GetUuid(username string) (*mojang.ProfileInfo, error) {
args := m.Called(username)
var result *mojang.ProfileInfo
if casted, ok := args.Get(0).(*mojang.ProfileInfo); ok {
result = casted
}
return result, args.Error(1)
}
type mockTexturesProvider struct {
mock.Mock
}
func (m *mockTexturesProvider) GetTextures(uuid string) (*mojang.SignedTexturesResponse, error) {
args := m.Called(uuid)
var result *mojang.SignedTexturesResponse
if casted, ok := args.Get(0).(*mojang.SignedTexturesResponse); ok {
result = casted
}
return result, args.Error(1)
}
type mockStorage struct {
mock.Mock
}
func (m *mockStorage) GetUuid(username string) (string, error) {
args := m.Called(username)
return args.String(0), args.Error(1)
}
func (m *mockStorage) StoreUuid(username string, uuid string) error {
args := m.Called(username, uuid)
return args.Error(0)
}
func (m *mockStorage) GetTextures(uuid string) (*mojang.SignedTexturesResponse, error) {
args := m.Called(uuid)
var result *mojang.SignedTexturesResponse
if casted, ok := args.Get(0).(*mojang.SignedTexturesResponse); ok {
result = casted
}
return result, args.Error(1)
}
func (m *mockStorage) StoreTextures(uuid string, textures *mojang.SignedTexturesResponse) {
m.Called(uuid, textures)
}
type providerTestSuite struct {
suite.Suite
Provider *Provider
UuidsProvider *mockUuidsProvider
TexturesProvider *mockTexturesProvider
Storage *mockStorage
Logger *mocks.WdMock
}
func (suite *providerTestSuite) SetupTest() {
suite.UuidsProvider = &mockUuidsProvider{}
suite.TexturesProvider = &mockTexturesProvider{}
suite.Storage = &mockStorage{}
suite.Logger = &mocks.WdMock{}
suite.Provider = &Provider{
UUIDsProvider: suite.UuidsProvider,
TexturesProvider: suite.TexturesProvider,
Storage: suite.Storage,
Logger: suite.Logger,
}
}
func (suite *providerTestSuite) TearDownTest() {
// time.Sleep(10 * time.Millisecond) // Add delay to let finish all goroutines before assert mocks calls
suite.UuidsProvider.AssertExpectations(suite.T())
suite.TexturesProvider.AssertExpectations(suite.T())
suite.Storage.AssertExpectations(suite.T())
suite.Logger.AssertExpectations(suite.T())
}
func TestProvider(t *testing.T) {
suite.Run(t, new(providerTestSuite))
}
func (suite *providerTestSuite) TestGetForUsernameWithoutAnyCache() {
expectedResult := &mojang.SignedTexturesResponse{Id: "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", Name: "username"}
suite.Logger.On("IncCounter", "mojang_textures.request", int64(1)).Once()
suite.Logger.On("IncCounter", "mojang_textures.usernames.uuid_hit", int64(1)).Once()
suite.Logger.On("IncCounter", "mojang_textures.usernames.textures_hit", int64(1)).Once()
suite.Logger.On("RecordTimer", "mojang_textures.result_time", mock.Anything).Once()
suite.Storage.On("GetUuid", "username").Once().Return("", &ValueNotFound{})
suite.Storage.On("StoreUuid", "username", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").Once().Return(nil)
suite.Storage.On("StoreTextures", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", expectedResult).Once()
suite.UuidsProvider.On("GetUuid", "username").Once().Return(&mojang.ProfileInfo{
Id: "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
Name: "username",
}, nil)
suite.TexturesProvider.On("GetTextures", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").Once().Return(expectedResult, nil)
result, err := suite.Provider.GetForUsername("username")
suite.Assert().Nil(err)
suite.Assert().Equal(expectedResult, result)
}
func (suite *providerTestSuite) TestGetForUsernameWithCachedUuid() {
expectedResult := &mojang.SignedTexturesResponse{Id: "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", Name: "username"}
suite.Logger.On("IncCounter", "mojang_textures.request", int64(1)).Once()
suite.Logger.On("IncCounter", "mojang_textures.usernames.cache_hit", int64(1)).Once()
suite.Logger.On("IncCounter", "mojang_textures.usernames.textures_hit", int64(1)).Once()
suite.Logger.On("RecordTimer", "mojang_textures.result_time", mock.Anything).Once()
suite.Storage.On("GetUuid", "username").Once().Return("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", nil)
suite.Storage.On("GetTextures", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").Once().Return(nil, &ValueNotFound{})
suite.Storage.On("StoreTextures", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", expectedResult).Once()
suite.TexturesProvider.On("GetTextures", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").Return(expectedResult, nil)
result, err := suite.Provider.GetForUsername("username")
suite.Assert().Nil(err)
suite.Assert().Equal(expectedResult, result)
}
func (suite *providerTestSuite) TestGetForUsernameWithFullyCachedResult() {
expectedResult := &mojang.SignedTexturesResponse{Id: "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", Name: "username"}
suite.Logger.On("IncCounter", "mojang_textures.request", int64(1)).Once()
suite.Logger.On("IncCounter", "mojang_textures.usernames.cache_hit", int64(1)).Once()
suite.Logger.On("IncCounter", "mojang_textures.textures.cache_hit", int64(1)).Once()
suite.Storage.On("GetUuid", "username").Once().Return("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", nil)
suite.Storage.On("GetTextures", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").Once().Return(expectedResult, nil)
result, err := suite.Provider.GetForUsername("username")
suite.Assert().Nil(err)
suite.Assert().Equal(expectedResult, result)
}
func (suite *providerTestSuite) TestGetForUsernameWithCachedUnknownUuid() {
suite.Logger.On("IncCounter", "mojang_textures.request", int64(1)).Once()
suite.Logger.On("IncCounter", "mojang_textures.usernames.cache_hit_nil", int64(1)).Once()
suite.Storage.On("GetUuid", "username").Once().Return("", nil)
result, err := suite.Provider.GetForUsername("username")
suite.Assert().Nil(result)
suite.Assert().Nil(err)
}
func (suite *providerTestSuite) TestGetForUsernameWhichHasNoMojangAccount() {
suite.Logger.On("IncCounter", "mojang_textures.request", int64(1)).Once()
suite.Logger.On("IncCounter", "mojang_textures.usernames.uuid_miss", int64(1)).Once()
suite.Logger.On("RecordTimer", "mojang_textures.result_time", mock.Anything).Once()
suite.Storage.On("GetUuid", "username").Once().Return("", &ValueNotFound{})
suite.Storage.On("StoreUuid", "username", "").Once().Return(nil)
suite.UuidsProvider.On("GetUuid", "username").Once().Return(nil, nil)
result, err := suite.Provider.GetForUsername("username")
suite.Assert().Nil(err)
suite.Assert().Nil(result)
}
func (suite *providerTestSuite) TestGetForUsernameWhichHasMojangAccountButHasNoMojangSkin() {
var expectedResult *mojang.SignedTexturesResponse
suite.Logger.On("IncCounter", "mojang_textures.request", int64(1)).Once()
suite.Logger.On("IncCounter", "mojang_textures.usernames.uuid_hit", int64(1)).Once()
suite.Logger.On("IncCounter", "mojang_textures.usernames.textures_miss", int64(1)).Once()
suite.Logger.On("RecordTimer", "mojang_textures.result_time", mock.Anything).Once()
suite.Storage.On("GetUuid", "username").Once().Return("", &ValueNotFound{})
suite.Storage.On("StoreUuid", "username", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").Once().Return(nil)
suite.Storage.On("StoreTextures", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", expectedResult).Once()
suite.UuidsProvider.On("GetUuid", "username").Once().Return(&mojang.ProfileInfo{
Id: "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
Name: "username",
}, nil)
suite.TexturesProvider.On("GetTextures", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").Once().Return(expectedResult, nil)
result, err := suite.Provider.GetForUsername("username")
suite.Assert().Equal(expectedResult, result)
suite.Assert().Nil(err)
}
func (suite *providerTestSuite) TestGetForTheSameUsernames() {
expectedResult := &mojang.SignedTexturesResponse{Id: "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", Name: "username"}
suite.Logger.On("IncCounter", "mojang_textures.request", int64(1)).Twice()
suite.Logger.On("IncCounter", "mojang_textures.already_scheduled", int64(1)).Once()
suite.Logger.On("IncCounter", "mojang_textures.usernames.uuid_hit", int64(1)).Once()
suite.Logger.On("IncCounter", "mojang_textures.usernames.textures_hit", int64(1)).Once()
suite.Logger.On("RecordTimer", "mojang_textures.result_time", mock.Anything).Once()
suite.Storage.On("GetUuid", "username").Twice().Return("", &ValueNotFound{})
suite.Storage.On("StoreUuid", "username", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").Once().Return(nil)
suite.Storage.On("StoreTextures", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", expectedResult).Once()
// If possible, than remove this .After call
suite.UuidsProvider.On("GetUuid", "username").Once().After(time.Millisecond).Return(&mojang.ProfileInfo{
Id: "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
Name: "username",
}, nil)
suite.TexturesProvider.On("GetTextures", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").Once().Return(expectedResult, nil)
results := make([]*mojang.SignedTexturesResponse, 2)
var wg sync.WaitGroup
for i := 0; i < 2; i++ {
wg.Add(1)
go func(i int) {
textures, _ := suite.Provider.GetForUsername("username")
results[i] = textures
wg.Done()
}(i)
}
wg.Wait()
suite.Assert().Equal(expectedResult, results[0])
suite.Assert().Equal(expectedResult, results[1])
}
func (suite *providerTestSuite) TestGetForNotAllowedMojangUsername() {
suite.Logger.On("IncCounter", "mojang_textures.invalid_username", int64(1)).Once()
result, err := suite.Provider.GetForUsername("Not allowed")
suite.Assert().Error(err, "invalid username")
suite.Assert().Nil(result)
}
type timeoutError struct {
}
func (*timeoutError) Error() string { return "timeout error" }
func (*timeoutError) Timeout() bool { return true }
func (*timeoutError) Temporary() bool { return false }
var expectedErrors = []error{
&mojang.BadRequestError{},
&mojang.ForbiddenError{},
&mojang.TooManyRequestsError{},
&mojang.ServerError{},
&timeoutError{},
&url.Error{Op: "GET", URL: "http://localhost"},
&net.OpError{Op: "read"},
&net.OpError{Op: "dial"},
syscall.ECONNREFUSED,
}
func (suite *providerTestSuite) TestShouldNotLogErrorWhenExpectedErrorReturnedFromUsernameToUuidRequest() {
suite.Logger.On("IncCounter", mock.Anything, mock.Anything)
suite.Logger.On("RecordTimer", mock.Anything, mock.Anything)
suite.Logger.On("Debug", ":name: Got response error :err", mock.Anything, mock.Anything).Times(len(expectedErrors))
suite.Logger.On("Warning", ":name: Got 400 Bad Request :err", mock.Anything, mock.Anything).Once()
suite.Logger.On("Warning", ":name: Got 403 Forbidden :err", mock.Anything, mock.Anything).Once()
suite.Logger.On("Warning", ":name: Got 429 Too Many Requests :err", mock.Anything, mock.Anything).Once()
suite.Storage.On("GetUuid", "username").Return("", &ValueNotFound{})
for _, err := range expectedErrors {
suite.UuidsProvider.On("GetUuid", "username").Once().Return(nil, err)
result, err := suite.Provider.GetForUsername("username")
suite.Assert().Nil(result)
suite.Assert().NotNil(err)
suite.UuidsProvider.AssertExpectations(suite.T())
suite.UuidsProvider.ExpectedCalls = nil // https://github.com/stretchr/testify/issues/558#issuecomment-372112364
}
}
func (suite *providerTestSuite) TestShouldLogEmergencyOnUnexpectedErrorReturnedFromUsernameToUuidRequest() {
suite.Logger.On("IncCounter", mock.Anything, mock.Anything)
suite.Logger.On("RecordTimer", mock.Anything, mock.Anything)
suite.Logger.On("Debug", ":name: Got response error :err", mock.Anything, mock.Anything).Once()
suite.Logger.On("Emergency", ":name: Unknown Mojang response error: :err", mock.Anything, mock.Anything).Once()
suite.Storage.On("GetUuid", "username").Return("", &ValueNotFound{})
suite.UuidsProvider.On("GetUuid", "username").Once().Return(nil, errors.New("unexpected error"))
result, err := suite.Provider.GetForUsername("username")
suite.Assert().Nil(result)
suite.Assert().NotNil(err)
}
func (suite *providerTestSuite) TestShouldNotLogErrorWhenExpectedErrorReturnedFromUuidToTexturesRequest() {
suite.Logger.On("IncCounter", mock.Anything, mock.Anything)
suite.Logger.On("RecordTimer", mock.Anything, mock.Anything)
suite.Logger.On("Debug", ":name: Got response error :err", mock.Anything, mock.Anything).Times(len(expectedErrors))
suite.Logger.On("Warning", ":name: Got 400 Bad Request :err", mock.Anything, mock.Anything).Once()
suite.Logger.On("Warning", ":name: Got 403 Forbidden :err", mock.Anything, mock.Anything).Once()
suite.Logger.On("Warning", ":name: Got 429 Too Many Requests :err", mock.Anything, mock.Anything).Once()
suite.Storage.On("GetUuid", "username").Return("", &ValueNotFound{})
suite.Storage.On("StoreUuid", "username", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").Return(nil)
// suite.Storage.On("GetTextures", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").Return(nil, &ValueNotFound{})
// suite.Storage.On("StoreTextures", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", (*mojang.SignedTexturesResponse)(nil))
for _, err := range expectedErrors {
suite.UuidsProvider.On("GetUuid", "username").Once().Return(&mojang.ProfileInfo{
Id: "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
Name: "username",
}, nil)
suite.TexturesProvider.On("GetTextures", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").Once().Return(nil, err)
result, err := suite.Provider.GetForUsername("username")
suite.Assert().Nil(result)
suite.Assert().NotNil(err)
suite.UuidsProvider.AssertExpectations(suite.T())
suite.TexturesProvider.AssertExpectations(suite.T())
suite.UuidsProvider.ExpectedCalls = nil // https://github.com/stretchr/testify/issues/558#issuecomment-372112364
suite.TexturesProvider.ExpectedCalls = nil // https://github.com/stretchr/testify/issues/558#issuecomment-372112364
}
}
func (suite *providerTestSuite) TestShouldLogEmergencyOnUnexpectedErrorReturnedFromUuidToTexturesRequest() {
suite.Logger.On("IncCounter", mock.Anything, mock.Anything)
suite.Logger.On("RecordTimer", mock.Anything, mock.Anything)
suite.Logger.On("Debug", ":name: Got response error :err", mock.Anything, mock.Anything).Once()
suite.Logger.On("Emergency", ":name: Unknown Mojang response error: :err", mock.Anything, mock.Anything).Once()
suite.Storage.On("GetUuid", "username").Return("", &ValueNotFound{})
suite.Storage.On("StoreUuid", "username", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").Return(nil)
suite.UuidsProvider.On("GetUuid", "username").Once().Return(&mojang.ProfileInfo{
Id: "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
Name: "username",
}, nil)
suite.TexturesProvider.On("GetTextures", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").Once().Return(nil, errors.New("unexpected error"))
result, err := suite.Provider.GetForUsername("username")
suite.Assert().Nil(result)
suite.Assert().NotNil(err)
}