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proto_test.go
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package ocpp2_test
import (
"fmt"
"github.com/lorenzodonini/ocpp-go/ocpp2.0.1/data"
"github.com/lorenzodonini/ocpp-go/ocpp"
"github.com/lorenzodonini/ocpp-go/ocppj"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/mock"
"github.com/stretchr/testify/require"
)
func (suite *OcppV2TestSuite) TestChargePointSendResponseError() {
t := suite.T()
wsId := "test_id"
channel := NewMockWebSocket(wsId)
var ocppErr *ocpp.Error
// Setup internal communication and listeners
dataListener := &MockChargingStationDataHandler{}
suite.chargingStation.SetDataHandler(dataListener)
suite.mockWsClient.On("Start", mock.AnythingOfType("string")).Return(nil).Run(func(args mock.Arguments) {
// Notify server of incoming connection
suite.mockWsServer.NewClientHandler(channel)
})
suite.mockWsClient.On("Write", mock.Anything).Return(nil).Run(func(args mock.Arguments) {
rawMsg := args.Get(0)
bytes := rawMsg.([]byte)
err := suite.mockWsServer.MessageHandler(channel, bytes)
assert.Nil(t, err)
})
suite.mockWsServer.On("Start", mock.AnythingOfType("int"), mock.AnythingOfType("string")).Return(nil)
suite.mockWsServer.On("Write", mock.AnythingOfType("string"), mock.Anything).Return(nil).Run(func(args mock.Arguments) {
rawMsg := args.Get(1)
bytes := rawMsg.([]byte)
err := suite.mockWsClient.MessageHandler(bytes)
assert.NoError(t, err)
})
// Run Tests
suite.csms.Start(8887, "somePath")
err := suite.chargingStation.Start("someUrl")
require.Nil(t, err)
resultChannel := make(chan error, 1)
// Test 1: occurrence validation error
dataTransferResponse := data.NewDataTransferResponse(data.DataTransferStatusAccepted)
dataTransferResponse.Data = struct {
Field1 string `validate:"required"`
}{Field1: ""}
dataListener.On("OnDataTransfer", mock.Anything).Return(dataTransferResponse, nil)
err = suite.csms.DataTransfer(wsId, func(response *data.DataTransferResponse, err error) {
require.Nil(t, response)
require.Error(t, err)
resultChannel <- err
}, "vendor1")
require.Nil(t, err)
result := <-resultChannel
require.IsType(t, &ocpp.Error{}, result)
ocppErr = result.(*ocpp.Error)
assert.Equal(t, ocppj.OccurrenceConstraintViolationV2, ocppErr.Code)
assert.Equal(t, "Field CallResult.Payload.Data.Field1 required but not found for feature DataTransfer", ocppErr.Description)
// Test 2: marshaling error
dataTransferResponse = data.NewDataTransferResponse(data.DataTransferStatusAccepted)
dataTransferResponse.Data = make(chan struct{})
dataListener.ExpectedCalls = nil
dataListener.On("OnDataTransfer", mock.Anything).Return(dataTransferResponse, nil)
err = suite.csms.DataTransfer(wsId, func(response *data.DataTransferResponse, err error) {
require.Nil(t, response)
require.Error(t, err)
resultChannel <- err
}, "vendor1")
require.Nil(t, err)
result = <-resultChannel
require.IsType(t, &ocpp.Error{}, result)
ocppErr = result.(*ocpp.Error)
assert.Equal(t, ocppj.GenericError, ocppErr.Code)
assert.Equal(t, "json: unsupported type: chan struct {}", ocppErr.Description)
// Test 3: no results in callback
dataListener.ExpectedCalls = nil
dataListener.On("OnDataTransfer", mock.Anything).Return(nil, nil)
err = suite.csms.DataTransfer(wsId, func(response *data.DataTransferResponse, err error) {
require.Nil(t, response)
require.Error(t, err)
resultChannel <- err
}, "vendor1")
require.Nil(t, err)
result = <-resultChannel
require.IsType(t, &ocpp.Error{}, result)
ocppErr = result.(*ocpp.Error)
assert.Equal(t, ocppj.GenericError, ocppErr.Code)
assert.Equal(t, "empty response to request 1234", ocppErr.Description)
}
func (suite *OcppV2TestSuite) TestCentralSystemSendResponseError() {
t := suite.T()
wsId := "test_id"
channel := NewMockWebSocket(wsId)
var ocppErr *ocpp.Error
var response *data.DataTransferResponse
// Setup internal communication and listeners
dataListener := &MockCSMSDataHandler{}
suite.csms.SetDataHandler(dataListener)
suite.mockWsClient.On("Start", mock.AnythingOfType("string")).Return(nil).Run(func(args mock.Arguments) {
// Notify server of incoming connection
suite.mockWsServer.NewClientHandler(channel)
})
suite.mockWsClient.On("Write", mock.Anything).Return(nil).Run(func(args mock.Arguments) {
rawMsg := args.Get(0)
bytes := rawMsg.([]byte)
err := suite.mockWsServer.MessageHandler(channel, bytes)
assert.Nil(t, err)
})
suite.mockWsServer.On("Start", mock.AnythingOfType("int"), mock.AnythingOfType("string")).Return(nil)
suite.mockWsServer.On("Write", mock.AnythingOfType("string"), mock.Anything).Return(nil).Run(func(args mock.Arguments) {
rawMsg := args.Get(1)
bytes := rawMsg.([]byte)
err := suite.mockWsClient.MessageHandler(bytes)
assert.NoError(t, err)
})
// Run Tests
suite.csms.Start(8887, "somePath")
err := suite.chargingStation.Start("someUrl")
require.Nil(t, err)
// Test 1: occurrence validation error
dataTransferResponse := data.NewDataTransferResponse(data.DataTransferStatusAccepted)
dataTransferResponse.Data = struct {
Field1 string `validate:"required"`
}{Field1: ""}
dataListener.On("OnDataTransfer", mock.AnythingOfType("string"), mock.Anything).Return(dataTransferResponse, nil)
response, err = suite.chargingStation.DataTransfer("vendor1")
require.Nil(t, response)
require.Error(t, err)
require.IsType(t, &ocpp.Error{}, err)
ocppErr = err.(*ocpp.Error)
assert.Equal(t, ocppj.OccurrenceConstraintViolationV2, ocppErr.Code)
assert.Equal(t, "Field CallResult.Payload.Data.Field1 required but not found for feature DataTransfer", ocppErr.Description)
// Test 2: marshaling error
dataTransferResponse = data.NewDataTransferResponse(data.DataTransferStatusAccepted)
dataTransferResponse.Data = make(chan struct{})
dataListener.ExpectedCalls = nil
dataListener.On("OnDataTransfer", mock.AnythingOfType("string"), mock.Anything).Return(dataTransferResponse, nil)
response, err = suite.chargingStation.DataTransfer("vendor1")
require.Nil(t, response)
require.Error(t, err)
require.IsType(t, &ocpp.Error{}, err)
ocppErr = err.(*ocpp.Error)
assert.Equal(t, ocppj.GenericError, ocppErr.Code)
assert.Equal(t, "json: unsupported type: chan struct {}", ocppErr.Description)
// Test 3: no results in callback
dataListener.ExpectedCalls = nil
dataListener.On("OnDataTransfer", mock.AnythingOfType("string"), mock.Anything).Return(nil, nil)
response, err = suite.chargingStation.DataTransfer("vendor1")
require.Nil(t, response)
require.Error(t, err)
require.IsType(t, &ocpp.Error{}, err)
ocppErr = err.(*ocpp.Error)
assert.Equal(t, ocppj.GenericError, ocppErr.Code)
assert.Equal(t, fmt.Sprintf("empty response to %s for request 1234", wsId), ocppErr.Description)
}
func (suite *OcppV2TestSuite) TestErrorCodes() {
suite.Equal(ocppj.FormatViolationV2, ocppj.FormatErrorType(suite.ocppjServer))
suite.Equal(ocppj.OccurrenceConstraintViolationV2, ocppj.OccurrenceConstraintErrorType(suite.ocppjServer))
}