package http import ( "errors" "io/ioutil" "net/http" "net/http/httptest" "testing" "github.com/stretchr/testify/mock" "github.com/stretchr/testify/suite" "github.com/elyby/chrly/api/mojang" ) /*************** * Setup mocks * ***************/ type uuidsProviderMock struct { mock.Mock } func (m *uuidsProviderMock) 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 uuidsWorkerTestSuite struct { suite.Suite App *UUIDsWorker UuidsProvider *uuidsProviderMock Emitter *emitterMock } /******************** * Setup test suite * ********************/ func (suite *uuidsWorkerTestSuite) SetupTest() { suite.UuidsProvider = &uuidsProviderMock{} suite.Emitter = &emitterMock{} suite.App = &UUIDsWorker{ UUIDsProvider: suite.UuidsProvider, Emitter: suite.Emitter, } } func (suite *uuidsWorkerTestSuite) TearDownTest() { suite.UuidsProvider.AssertExpectations(suite.T()) suite.Emitter.AssertExpectations(suite.T()) } func (suite *uuidsWorkerTestSuite) RunSubTest(name string, subTest func()) { suite.SetupTest() suite.Run(name, subTest) suite.TearDownTest() } /************* * Run tests * *************/ func TestUUIDsWorker(t *testing.T) { suite.Run(t, new(uuidsWorkerTestSuite)) } type uuidsWorkerTestCase struct { Name string BeforeTest func(suite *uuidsWorkerTestSuite) AfterTest func(suite *uuidsWorkerTestSuite, response *http.Response) } /************************ * Get UUID tests cases * ************************/ var getUuidTestsCases = []*uuidsWorkerTestCase{ { Name: "Success provider response", BeforeTest: func(suite *uuidsWorkerTestSuite) { suite.UuidsProvider.On("GetUuid", "mock_username").Return(&mojang.ProfileInfo{ Id: "0fcc38620f1845f3a54e1b523c1bd1c7", Name: "mock_username", }, nil) }, AfterTest: func(suite *uuidsWorkerTestSuite, response *http.Response) { suite.Equal(200, response.StatusCode) suite.Equal("application/json", response.Header.Get("Content-Type")) body, _ := ioutil.ReadAll(response.Body) suite.JSONEq(`{ "id": "0fcc38620f1845f3a54e1b523c1bd1c7", "name": "mock_username" }`, string(body)) }, }, { Name: "Receive empty response from UUIDs provider", BeforeTest: func(suite *uuidsWorkerTestSuite) { suite.UuidsProvider.On("GetUuid", "mock_username").Return(nil, nil) }, AfterTest: func(suite *uuidsWorkerTestSuite, response *http.Response) { suite.Equal(204, response.StatusCode) body, _ := ioutil.ReadAll(response.Body) suite.Assert().Empty(body) }, }, { Name: "Receive error from UUIDs provider", BeforeTest: func(suite *uuidsWorkerTestSuite) { err := errors.New("this is an error") suite.UuidsProvider.On("GetUuid", "mock_username").Return(nil, err) suite.Emitter.On("Emit", "uuids_provider:error", err).Times(1) }, AfterTest: func(suite *uuidsWorkerTestSuite, response *http.Response) { suite.Equal(500, response.StatusCode) suite.Equal("application/json", response.Header.Get("Content-Type")) body, _ := ioutil.ReadAll(response.Body) suite.JSONEq(`{ "provider": "this is an error" }`, string(body)) }, }, { Name: "Receive Too Many Requests from UUIDs provider", BeforeTest: func(suite *uuidsWorkerTestSuite) { err := &mojang.TooManyRequestsError{} suite.UuidsProvider.On("GetUuid", "mock_username").Return(nil, err) suite.Emitter.On("Emit", "uuids_provider:error", err).Times(1) }, AfterTest: func(suite *uuidsWorkerTestSuite, response *http.Response) { suite.Equal(429, response.StatusCode) body, _ := ioutil.ReadAll(response.Body) suite.Empty(body) }, }, } func (suite *uuidsWorkerTestSuite) TestGetUUID() { for _, testCase := range getUuidTestsCases { suite.RunSubTest(testCase.Name, func() { testCase.BeforeTest(suite) req := httptest.NewRequest("GET", "http://chrly/api/worker/mojang-uuid/mock_username", nil) w := httptest.NewRecorder() suite.App.CreateHandler().ServeHTTP(w, req) testCase.AfterTest(suite, w.Result()) }) } }