gtsocial-umbx

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testing_common.go (1185B)

      1 package pngstructure
      2 
      3 import (
      4 	"os"
      5 	"path"
      6 
      7 	"github.com/dsoprea/go-logging"
      8 )
      9 
     10 var (
     11 	assetsPath = ""
     12 )
     13 
     14 func getModuleRootPath() string {
     15 	moduleRootPath := os.Getenv("PNG_MODULE_ROOT_PATH")
     16 	if moduleRootPath != "" {
     17 		return moduleRootPath
     18 	}
     19 
     20 	currentWd, err := os.Getwd()
     21 	log.PanicIf(err)
     22 
     23 	currentPath := currentWd
     24 	visited := make([]string, 0)
     25 
     26 	for {
     27 		tryStampFilepath := path.Join(currentPath, ".MODULE_ROOT")
     28 
     29 		_, err := os.Stat(tryStampFilepath)
     30 		if err != nil && os.IsNotExist(err) != true {
     31 			log.Panic(err)
     32 		} else if err == nil {
     33 			break
     34 		}
     35 
     36 		visited = append(visited, tryStampFilepath)
     37 
     38 		currentPath = path.Dir(currentPath)
     39 		if currentPath == "/" {
     40 			log.Panicf("could not find module-root: %v", visited)
     41 		}
     42 	}
     43 
     44 	return currentPath
     45 }
     46 
     47 func getTestAssetsPath() string {
     48 	if assetsPath == "" {
     49 		moduleRootPath := getModuleRootPath()
     50 		assetsPath = path.Join(moduleRootPath, "assets")
     51 	}
     52 
     53 	return assetsPath
     54 }
     55 
     56 func getTestBasicImageFilepath() string {
     57 	assetsPath := getTestAssetsPath()
     58 	return path.Join(assetsPath, "libpng.png")
     59 }
     60 
     61 func getTestExifImageFilepath() string {
     62 	assetsPath := getTestAssetsPath()
     63 	return path.Join(assetsPath, "exif.png")
     64 }