fix: Initialize resourcesCache for new device profile client (#1002)

Signed-off-by: Jeff Titus <[email protected]>

Author: jrtitus

clients/http/deviceprofile.go

@@ -48,6 +48,7 @@ func NewDeviceProfileClientWithUrlCallback(baseUrlFunc clients.ClientBaseUrlFunc
 	return &DeviceProfileClient{
 		baseUrlFunc:           baseUrlFunc,
 		authInjector:          authInjector,
+		resourcesCache:        make(map[string]responses.DeviceResourceResponse),
 		enableNameFieldEscape: enableNameFieldEscape,
 	}
 }

clients/http/deviceprofile_test.go

@@ -24,12 +24,20 @@ import (
 	"github.com/edgexfoundry/go-mod-core-contracts/v4/dtos/requests"
 	"github.com/edgexfoundry/go-mod-core-contracts/v4/dtos/responses"
 	edgexErrors "github.com/edgexfoundry/go-mod-core-contracts/v4/errors"
-
 	"github.com/google/uuid"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
 
+func TestNewDeviceProfileClientWithUrlCallback(t *testing.T) {
+	baseUrlFunc := func() (string, error) {
+		return "", nil
+	}
+	client := NewDeviceProfileClientWithUrlCallback(baseUrlFunc, &emptyAuthenticationInjector{}, true)
+	require.NotNil(t, client)
+	require.NotNil(t, client.(*DeviceProfileClient).resourcesCache)
+}
+
 func TestAddDeviceProfiles(t *testing.T) {
 	requestId := uuid.New().String()