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data_transfer_test.go
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package ocpp16_test
import (
"encoding/json"
"fmt"
"github.com/lorenzodonini/ocpp-go/ocpp1.6/core"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/mock"
"github.com/stretchr/testify/require"
)
type CustomData struct {
Field1 string `json:"field1" validate:"required"`
Field2 int `json:"field2" validate:"gt=0"`
}
func parseCustomData(req *core.DataTransferRequest) (CustomData, error) {
jsonString, _ := json.Marshal(req.Data)
var result CustomData
err := json.Unmarshal(jsonString, &result)
return result, err
}
// Test
func (suite *OcppV16TestSuite) TestDataTransferRequestValidation() {
t := suite.T()
var requestTable = []GenericTestEntry{
{core.DataTransferRequest{VendorId: "12345"}, true},
{core.DataTransferRequest{VendorId: "12345", MessageId: "6789"}, true},
{core.DataTransferRequest{VendorId: "12345", MessageId: "6789", Data: "mockData"}, true},
{core.DataTransferRequest{}, false},
{core.DataTransferRequest{VendorId: ">255............................................................................................................................................................................................................................................................"}, false},
{core.DataTransferRequest{VendorId: "12345", MessageId: ">50................................................"}, false},
}
ExecuteGenericTestTable(t, requestTable)
}
func (suite *OcppV16TestSuite) TestDataTransferConfirmationValidation() {
t := suite.T()
var confirmationTable = []GenericTestEntry{
{core.DataTransferConfirmation{Status: core.DataTransferStatusAccepted}, true},
{core.DataTransferConfirmation{Status: core.DataTransferStatusRejected}, true},
{core.DataTransferConfirmation{Status: core.DataTransferStatusUnknownMessageId}, true},
{core.DataTransferConfirmation{Status: core.DataTransferStatusUnknownVendorId}, true},
{core.DataTransferConfirmation{Status: "invalidDataTransferStatus"}, false},
{core.DataTransferConfirmation{Status: core.DataTransferStatusAccepted, Data: "mockData"}, true},
}
ExecuteGenericTestTable(t, confirmationTable)
}
func (suite *OcppV16TestSuite) TestDataTransferFromChargePointE2EMocked() {
t := suite.T()
wsId := "test_id"
messageId := defaultMessageId
wsUrl := "someUrl"
vendorId := "vendor1"
data := CustomData{Field1: "dummyData", Field2: 42}
status := core.DataTransferStatusAccepted
requestJson := fmt.Sprintf(`[2,"%v","%v",{"vendorId":"%v","data":{"field1":"%v","field2":%v}}]`, messageId, core.DataTransferFeatureName, vendorId, data.Field1, data.Field2)
responseJson := fmt.Sprintf(`[3,"%v",{"status":"%v"}]`, messageId, status)
dataTransferConfirmation := core.NewDataTransferConfirmation(status)
channel := NewMockWebSocket(wsId)
coreListener := MockCentralSystemCoreListener{}
coreListener.On("OnDataTransfer", mock.AnythingOfType("string"), mock.Anything).Return(dataTransferConfirmation, nil).Run(func(args mock.Arguments) {
request, ok := args.Get(1).(*core.DataTransferRequest)
require.NotNil(t, request)
require.True(t, ok)
assert.Equal(t, vendorId, request.VendorId)
require.NotNil(t, request.Data)
customData, err := parseCustomData(request)
require.Nil(t, err)
require.NotNil(t, customData)
assert.Equal(t, data.Field1, customData.Field1)
assert.Equal(t, data.Field2, customData.Field2)
})
setupDefaultCentralSystemHandlers(suite, coreListener, expectedCentralSystemOptions{clientId: wsId, rawWrittenMessage: []byte(responseJson), forwardWrittenMessage: true})
setupDefaultChargePointHandlers(suite, nil, expectedChargePointOptions{serverUrl: wsUrl, clientId: wsId, createChannelOnStart: true, channel: channel, rawWrittenMessage: []byte(requestJson), forwardWrittenMessage: true})
// Run Test
suite.centralSystem.Start(8887, "somePath")
err := suite.chargePoint.Start(wsUrl)
require.Nil(t, err)
confirmation, err := suite.chargePoint.DataTransfer(vendorId, func(request *core.DataTransferRequest) {
request.Data = data
})
require.Nil(t, err)
require.NotNil(t, confirmation)
assert.Equal(t, status, confirmation.Status)
}
func (suite *OcppV16TestSuite) TestDataTransferFromCentralSystemE2EMocked() {
t := suite.T()
wsId := "test_id"
messageId := defaultMessageId
wsUrl := "someUrl"
vendorId := "vendor1"
data := CustomData{Field1: "dummyData", Field2: 42}
status := core.DataTransferStatusAccepted
requestJson := fmt.Sprintf(`[2,"%v","%v",{"vendorId":"%v","data":{"field1":"%v","field2":%v}}]`, messageId, core.DataTransferFeatureName, vendorId, data.Field1, data.Field2)
responseJson := fmt.Sprintf(`[3,"%v",{"status":"%v"}]`, messageId, status)
dataTransferConfirmation := core.NewDataTransferConfirmation(status)
channel := NewMockWebSocket(wsId)
coreListener := MockChargePointCoreListener{}
coreListener.On("OnDataTransfer", mock.Anything).Return(dataTransferConfirmation, nil).Run(func(args mock.Arguments) {
request, ok := args.Get(0).(*core.DataTransferRequest)
require.NotNil(t, request)
require.True(t, ok)
assert.Equal(t, vendorId, request.VendorId)
require.NotNil(t, request.Data)
customData, err := parseCustomData(request)
require.Nil(t, err)
require.NotNil(t, customData)
assert.Equal(t, data.Field1, customData.Field1)
assert.Equal(t, data.Field2, customData.Field2)
})
setupDefaultCentralSystemHandlers(suite, nil, expectedCentralSystemOptions{clientId: wsId, rawWrittenMessage: []byte(requestJson), forwardWrittenMessage: true})
setupDefaultChargePointHandlers(suite, coreListener, expectedChargePointOptions{serverUrl: wsUrl, clientId: wsId, createChannelOnStart: true, channel: channel, rawWrittenMessage: []byte(responseJson), forwardWrittenMessage: true})
// Run Test
suite.centralSystem.Start(8887, "somePath")
err := suite.chargePoint.Start(wsUrl)
require.Nil(t, err)
resultChannel := make(chan bool, 1)
err = suite.centralSystem.DataTransfer(wsId, func(confirmation *core.DataTransferConfirmation, err error) {
require.Nil(t, err)
require.NotNil(t, confirmation)
assert.Equal(t, status, confirmation.Status)
resultChannel <- true
}, vendorId, func(request *core.DataTransferRequest) {
request.Data = data
})
require.Nil(t, err)
result := <-resultChannel
assert.True(t, result)
}