Fixes #29. If a previously cached UUID no longer exists, it will be invalidated and re-requested

This commit is contained in:
ErickSkrauch 2021-02-07 21:19:01 +01:00
parent 3bf6872f3e
commit 247499df6a
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5 changed files with 50 additions and 3 deletions

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@ -5,6 +5,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [Unreleased] - xxxx-xx-xx
### Fixed
- [#29](https://github.com/elyby/chrly/issues/29) If a previously cached UUID no longer exists,
it will be invalidated and re-requested.
- Use correct status code for error about empty response from Mojang's API.
## [4.5.0] - 2020-05-01
### Added

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@ -166,7 +166,7 @@ type EmptyResponse struct {
}
func (*EmptyResponse) Error() string {
return "200: Empty Response"
return "204: Empty Response"
}
func (*EmptyResponse) IsMojangError() bool {

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@ -261,7 +261,7 @@ func TestUuidToTextures(t *testing.T) {
result, err := UuidToTextures("4566e69fc90748ee8d71d7ba5aa00d20", false)
assert.Nil(result)
assert.IsType(&EmptyResponse{}, err)
assert.EqualError(err, "200: Empty Response")
assert.EqualError(err, "204: Empty Response")
assert.Implements((*ResponseError)(nil), err)
})

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@ -135,7 +135,8 @@ func (ctx *Provider) getResultAndBroadcast(username string, uuid string) {
ctx.broadcaster.BroadcastAndRemove(username, result)
}
func (ctx *Provider) getResult(username string, uuid string) *broadcastResult {
func (ctx *Provider) getResult(username string, cachedUuid string) *broadcastResult {
uuid := cachedUuid
if uuid == "" {
profile, err := ctx.getUuid(username)
if err != nil {
@ -156,6 +157,12 @@ func (ctx *Provider) getResult(username string, uuid string) *broadcastResult {
textures, err := ctx.getTextures(uuid)
if err != nil {
// Previously cached UUIDs may disappear
// In this case we must invalidate UUID cache for given username
if _, ok := err.(*mojang.EmptyResponse); ok && cachedUuid != "" {
return ctx.getResult(username, "")
}
return &broadcastResult{nil, err}
}

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@ -314,6 +314,42 @@ func (suite *providerTestSuite) TestGetForUsernameWhichHasMojangAccountButHasNoM
suite.Assert().Nil(err)
}
// https://github.com/elyby/chrly/issues/29
func (suite *providerTestSuite) TestGetForUsernameWithCachedUuidThatHasBeenDisappeared() {
expectedErr := &mojang.EmptyResponse{}
expectedProfile := &mojang.ProfileInfo{Id: "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb", Name: "username"}
var nilTexturesResponse *mojang.SignedTexturesResponse
expectedResult := &mojang.SignedTexturesResponse{Id: "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb", Name: "username"}
suite.Emitter.On("Emit", "mojang_textures:call", "username").Once()
suite.Emitter.On("Emit", "mojang_textures:usernames:before_cache", "username").Once()
suite.Emitter.On("Emit", "mojang_textures:usernames:after_cache", "username", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", true, nil).Once()
suite.Emitter.On("Emit", "mojang_textures:textures:before_cache", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").Once()
suite.Emitter.On("Emit", "mojang_textures:textures:after_cache", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", nilTexturesResponse, nil).Once()
suite.Emitter.On("Emit", "mojang_textures:before_result", "username", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").Once()
suite.Emitter.On("Emit", "mojang_textures:textures:before_call", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").Once()
suite.Emitter.On("Emit", "mojang_textures:textures:after_call", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", nilTexturesResponse, expectedErr).Once()
suite.Emitter.On("Emit", "mojang_textures:usernames:before_call", "username").Once()
suite.Emitter.On("Emit", "mojang_textures:usernames:after_call", "username", expectedProfile, nil).Once()
suite.Emitter.On("Emit", "mojang_textures:textures:before_call", "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb").Once()
suite.Emitter.On("Emit", "mojang_textures:textures:after_call", "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb", expectedResult, nil).Once()
suite.Emitter.On("Emit", "mojang_textures:after_result", "username", expectedResult, nil).Once()
suite.Storage.On("GetUuid", "username").Once().Return("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", true, nil)
suite.Storage.On("GetTextures", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").Once().Return(nil, nil)
suite.Storage.On("StoreUuid", "username", "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb").Once().Return(nil)
suite.Storage.On("StoreTextures", "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb", expectedResult).Once()
suite.UuidsProvider.On("GetUuid", "username").Return(expectedProfile, nil)
suite.TexturesProvider.On("GetTextures", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").Return(nil, expectedErr)
suite.TexturesProvider.On("GetTextures", "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb").Return(expectedResult, nil)
result, err := suite.Provider.GetForUsername("username")
suite.Assert().Nil(err)
suite.Assert().Equal(expectedResult, result)
}
func (suite *providerTestSuite) TestGetForTheSameUsernames() {
expectedProfile := &mojang.ProfileInfo{Id: "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", Name: "username"}
expectedResult := &mojang.SignedTexturesResponse{Id: "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", Name: "username"}