Chore: Add linter rule to avoid imports from Grafana core in test datasource (#71779)

pkg/tsdb/testdatasource/csv_data.go

@@ -15,31 +15,30 @@ import (
 
 	"github.com/grafana/grafana-plugin-sdk-go/backend"
 	"github.com/grafana/grafana-plugin-sdk-go/data"
-	"github.com/grafana/grafana/pkg/components/simplejson"
 )
 
 func (s *Service) handleCsvContentScenario(ctx context.Context, req *backend.QueryDataRequest) (*backend.QueryDataResponse, error) {
 	resp := backend.NewQueryDataResponse()
 
 	for _, q := range req.Queries {
-		model, err := simplejson.NewJson(q.JSON)
+		model, err := getModel(q.JSON)
 		if err != nil {
 			return nil, fmt.Errorf("failed to parse query json: %v", err)
 		}
 
-		csvContent := model.Get("csvContent").MustString()
+		csvContent := model.CSVContent
 		if len(csvContent) == 0 {
 			return backend.NewQueryDataResponse(), nil
 		}
 
-		alias := model.Get("alias").MustString("")
+		alias := model.Alias
 
 		frame, err := LoadCsvContent(strings.NewReader(csvContent), alias)
 		if err != nil {
 			return nil, err
 		}
 
-		dropPercent := model.Get("dropPercent").MustFloat64(0)
+		dropPercent := model.DropPercent
 		if dropPercent > 0 {
 			frame, err = dropValues(frame, dropPercent)
 			if err != nil {
@@ -59,12 +58,12 @@ func (s *Service) handleCsvFileScenario(ctx context.Context, req *backend.QueryD
 	resp := backend.NewQueryDataResponse()
 
 	for _, q := range req.Queries {
-		model, err := simplejson.NewJson(q.JSON)
+		model, err := getModel(q.JSON)
 		if err != nil {
 			return nil, fmt.Errorf("failed to parse query json %v", err)
 		}
 
-		fileName := model.Get("csvFileName").MustString()
+		fileName := model.CSVFileName
 
 		if len(fileName) == 0 {
 			continue
@@ -76,7 +75,7 @@ func (s *Service) handleCsvFileScenario(ctx context.Context, req *backend.QueryD
 			return nil, err
 		}
 
-		dropPercent := model.Get("dropPercent").MustFloat64(0)
+		dropPercent := model.DropPercent
 		if dropPercent > 0 {
 			frame, err = dropValues(frame, dropPercent)
 			if err != nil {