change: dump ocr texts as string in summary

hrp/pkg/uixt/ext.go

@@ -51,8 +51,8 @@ type DriverExt struct {
 	windowSize      Size
 	frame           *bytes.Buffer
 	doneMjpegStream chan bool
-	OCRService      IOCRService         // used to get texts from image
-	stepScreenShots map[string]OCRTexts // cache screenshot ocr results, key is image path
+	OCRService      IOCRService       // used to get texts from image
+	stepScreenShots map[string]string // cache screenshot ocr results, key is image path, value is dumped OCRTexts
 
 	CVArgs
 }
@@ -61,7 +61,7 @@ func NewDriverExt(device Device, driver WebDriver) (dExt *DriverExt, err error)
 	dExt = &DriverExt{
 		Device:          device,
 		Driver:          driver,
-		stepScreenShots: make(map[string]OCRTexts),
+		stepScreenShots: make(map[string]string),
 	}
 	dExt.doneMjpegStream = make(chan bool, 1)
 
@@ -160,19 +160,19 @@ func (dExt *DriverExt) saveScreenShot(raw *bytes.Buffer, fileName string) (strin
 		return "", errors.Wrap(err, "encode screenshot image failed")
 	}
 
-	dExt.stepScreenShots[screenshotPath] = nil
+	dExt.stepScreenShots[screenshotPath] = ""
 	log.Info().Str("path", screenshotPath).Msg("save screenshot file success")
 	return screenshotPath, nil
 }
 
-func (dExt *DriverExt) GetScreenShots() map[string]OCRTexts {
+func (dExt *DriverExt) GetScreenShots() map[string]string {
 	defer func() {
 		for key := range dExt.stepScreenShots {
 			delete(dExt.stepScreenShots, key)
 		}
 	}()
 
-	copied := make(map[string]OCRTexts)
+	copied := make(map[string]string)
 	for key, value := range dExt.stepScreenShots {
 		copied[key] = value
 	}

hrp/pkg/uixt/ocr_vedem.go

@@ -291,7 +291,8 @@ func (dExt *DriverExt) GetScreenTextsByOCR() (texts OCRTexts, err error) {
 		return
 	}
 
-	dExt.stepScreenShots[imagePath] = ocrTexts
+	o, _ := json.Marshal(ocrTexts)
+	dExt.stepScreenShots[imagePath] = string(o)
 	return ocrTexts, nil
 }